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-rw-r--r--src/test/nxt_gmtime_test.c84
-rw-r--r--src/test/nxt_http_parse_test.c714
-rw-r--r--src/test/nxt_lvlhsh_test.c229
-rw-r--r--src/test/nxt_malloc_test.c123
-rw-r--r--src/test/nxt_mem_zone_test.c74
-rw-r--r--src/test/nxt_mp_test.c90
-rw-r--r--src/test/nxt_msec_diff_test.c46
-rw-r--r--src/test/nxt_rbtree1.c382
-rw-r--r--src/test/nxt_rbtree1.h73
-rw-r--r--src/test/nxt_rbtree1_test.c343
-rw-r--r--src/test/nxt_rbtree_test.c279
-rw-r--r--src/test/nxt_sprintf_test.c71
-rw-r--r--src/test/nxt_strverscmp_test.c94
-rw-r--r--src/test/nxt_term_parse_test.c60
-rw-r--r--src/test/nxt_tests.c166
-rw-r--r--src/test/nxt_tests.h69
-rw-r--r--src/test/nxt_utf8_file_name_test.c148
-rw-r--r--src/test/nxt_utf8_test.c191
18 files changed, 3236 insertions, 0 deletions
diff --git a/src/test/nxt_gmtime_test.c b/src/test/nxt_gmtime_test.c
new file mode 100644
index 00000000..cec81ab4
--- /dev/null
+++ b/src/test/nxt_gmtime_test.c
@@ -0,0 +1,84 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+#if (NXT_TIME_T_SIZE == 4)
+
+/* A 86400-fold number below 2^31. */
+#define NXT_GMTIME_MAX 2147472000
+
+#else
+/*
+ * March 19, 29398 is maximum valid data if nxt_uint_t
+ * is 4 bytes size whilst nxt_time_t is 8 bytes size.
+ */
+#define NXT_GMTIME_MAX 865550793600
+#endif
+
+
+nxt_int_t
+nxt_gmtime_test(nxt_thread_t *thr)
+{
+ struct tm tm0, *tm1;
+ nxt_time_t s;
+ nxt_nsec_t start, end;
+
+ nxt_thread_time_update(thr);
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "gmtime test started");
+
+ for (s = 0; s < NXT_GMTIME_MAX; s += 86400) {
+
+ nxt_gmtime(s, &tm0);
+ tm1 = gmtime(&s);
+
+ if (tm0.tm_mday != tm1->tm_mday
+ || tm0.tm_mon != tm1->tm_mon
+ || tm0.tm_year != tm1->tm_year
+ || tm0.tm_yday != tm1->tm_yday
+ || tm0.tm_wday != tm1->tm_wday)
+ {
+ nxt_log_alert(thr->log,
+ "gmtime test failed: %T @ %02d.%02d.%d",
+ s, tm1->tm_mday, tm1->tm_mon + 1,
+ tm1->tm_year + 1900);
+ return NXT_ERROR;
+ }
+ }
+
+
+ nxt_thread_time_update(thr);
+ start = nxt_thread_monotonic_time(thr);
+
+ for (s = 0; s < 10000000; s++) {
+ nxt_gmtime(s, &tm0);
+ }
+
+ nxt_thread_time_update(thr);
+ end = nxt_thread_monotonic_time(thr);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "nxt_gmtime(): %0.1fns",
+ (end - start) / 10000000.0);
+
+
+ nxt_thread_time_update(thr);
+ start = nxt_thread_monotonic_time(thr);
+
+ for (s = 0; s < 10000000; s++) {
+ (void) gmtime(&s);
+ }
+
+ nxt_thread_time_update(thr);
+ end = nxt_thread_monotonic_time(thr);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "gmtime(): %0.1fns",
+ (end - start) / 10000000.0);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "gmtime test passed");
+ return NXT_OK;
+}
diff --git a/src/test/nxt_http_parse_test.c b/src/test/nxt_http_parse_test.c
new file mode 100644
index 00000000..d2af4245
--- /dev/null
+++ b/src/test/nxt_http_parse_test.c
@@ -0,0 +1,714 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ * Copyright (C) Valentin V. Bartenev
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+typedef struct {
+ nxt_str_t method;
+ nxt_str_t target;
+ nxt_str_t exten;
+ nxt_str_t args;
+ u_char version[8];
+
+ /* target with "/." */
+ unsigned complex_target:1;
+ /* target with "%" */
+ unsigned quoted_target:1;
+ /* target with " " */
+ unsigned space_in_target:1;
+ /* target with "+" */
+ unsigned plus_in_target:1;
+} nxt_http_parse_test_request_line_t;
+
+
+typedef union {
+ void *pointer;
+ nxt_int_t result;
+ nxt_http_parse_test_request_line_t request_line;
+} nxt_http_parse_test_data_t;
+
+
+typedef struct {
+ nxt_str_t request;
+ nxt_int_t result;
+ nxt_int_t (*handler)(nxt_http_request_parse_t *rp,
+ nxt_http_parse_test_data_t *data,
+ nxt_str_t *request, nxt_log_t *log);
+
+ nxt_http_parse_test_data_t data;
+} nxt_http_parse_test_case_t;
+
+
+static nxt_int_t nxt_http_parse_test_run(nxt_http_request_parse_t *rp,
+ nxt_str_t *request);
+static nxt_int_t nxt_http_parse_test_bench(nxt_thread_t *thr,
+ nxt_str_t *request, nxt_http_fields_hash_t *hash, const char *name,
+ nxt_uint_t n);
+static nxt_int_t nxt_http_parse_test_request_line(nxt_http_request_parse_t *rp,
+ nxt_http_parse_test_data_t *data,
+ nxt_str_t *request, nxt_log_t *log);
+static nxt_int_t nxt_http_parse_test_fields(nxt_http_request_parse_t *rp,
+ nxt_http_parse_test_data_t *data, nxt_str_t *request, nxt_log_t *log);
+
+
+static nxt_int_t nxt_http_test_header_return(void *ctx, nxt_http_field_t *field,
+ nxt_log_t *log);
+
+
+static nxt_http_parse_test_case_t nxt_http_test_cases[] = {
+ {
+ nxt_string("GET / HTTP/1.0\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("/"),
+ nxt_null_string,
+ nxt_null_string,
+ "HTTP/1.0",
+ 0, 0, 0, 0
+ }}
+ },
+ {
+ nxt_string("XXX-METHOD /d.ir/fi+le.ext?key=val HTTP/1.2\n\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("XXX-METHOD"),
+ nxt_string("/d.ir/fi+le.ext?key=val"),
+ nxt_string("ext?key=val"),
+ nxt_string("key=val"),
+ "HTTP/1.2",
+ 0, 0, 0, 1
+ }}
+ },
+ {
+ nxt_string("GET /di.r/? HTTP/1.0\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("/di.r/?"),
+ nxt_null_string,
+ nxt_string(""),
+ "HTTP/1.0",
+ 0, 0, 0, 0
+ }}
+ },
+ {
+ nxt_string("GEt / HTTP/1.0\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET /\0 HTTP/1.0\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET /\r HTTP/1.0\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET /\n HTTP/1.0\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.0\r\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET /. HTTP/1.0\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("/."),
+ nxt_null_string,
+ nxt_null_string,
+ "HTTP/1.0",
+ 1, 0, 0, 0
+ }}
+ },
+ {
+ nxt_string("GET /# HTTP/1.0\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("/#"),
+ nxt_null_string,
+ nxt_null_string,
+ "HTTP/1.0",
+ 1, 0, 0, 0
+ }}
+ },
+ {
+ nxt_string("GET /?# HTTP/1.0\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("/?#"),
+ nxt_null_string,
+ nxt_string("#"),
+ "HTTP/1.0",
+ 1, 0, 0, 0
+ }}
+ },
+ {
+ nxt_string("GET // HTTP/1.0\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("//"),
+ nxt_null_string,
+ nxt_null_string,
+ "HTTP/1.0",
+ 1, 0, 0, 0
+ }}
+ },
+ {
+ nxt_string("GET /%20 HTTP/1.0\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("/%20"),
+ nxt_null_string,
+ nxt_null_string,
+ "HTTP/1.0",
+ 0, 1, 0, 0
+ }}
+ },
+ {
+ nxt_string("GET / a HTTP/1.0\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("/ a"),
+ nxt_null_string,
+ nxt_null_string,
+ "HTTP/1.0",
+ 0, 0, 1, 0
+ }}
+ },
+ {
+ nxt_string("GET / HTTP/1.0 HTTP/1.1\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_request_line,
+ { .request_line = {
+ nxt_string("GET"),
+ nxt_string("/ HTTP/1.0"),
+ nxt_null_string,
+ nxt_null_string,
+ "HTTP/1.1",
+ 0, 0, 1, 0
+ }}
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "Host: example.com\r\n\r\n"),
+ NXT_DONE,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "Host:\r\n\r\n"),
+ NXT_DONE,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "Host example.com\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ ":Host: example.com\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "Ho_st: example.com\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "Ho\0st: example.com\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "Ho\rst: example.com\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "Host: exa\0mple.com\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "Host: exa\rmple.com\r\n\r\n"),
+ NXT_ERROR,
+ NULL, { NULL }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "X-Unknown-Header: value\r\n"
+ "X-Good-Header: value\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_fields,
+ { .result = NXT_OK }
+ },
+ {
+ nxt_string("GET / HTTP/1.1\r\n"
+ "X-Good-Header: value\r\n"
+ "X-Unknown-Header: value\r\n"
+ "X-Bad-Header: value\r\n\r\n"),
+ NXT_DONE,
+ &nxt_http_parse_test_fields,
+ { .result = NXT_ERROR }
+ },
+};
+
+
+static nxt_http_fields_hash_entry_t nxt_http_test_fields[] = {
+ { nxt_string("X-Bad-Header"),
+ &nxt_http_test_header_return,
+ (uintptr_t) NXT_ERROR },
+
+ { nxt_string("X-Good-Header"),
+ &nxt_http_test_header_return,
+ (uintptr_t) NXT_OK },
+
+ { nxt_null_string, NULL, 0 }
+};
+
+
+static nxt_http_fields_hash_entry_t nxt_http_test_bench_fields[] = {
+ { nxt_string("Host"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("User-Agent"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("Accept-Encoding"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("Accept-Language"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("Connection"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("Content-Length"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("Content-Type"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("If-Modified-Since"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("If-Match"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("Date"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("Upgrade"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("X-Forwarded-For"),
+ &nxt_http_test_header_return, NXT_OK },
+ { nxt_string("X-Request-ID"),
+ &nxt_http_test_header_return, NXT_OK },
+
+ { nxt_null_string, NULL, 0 }
+};
+
+
+static nxt_str_t nxt_http_test_simple_request = nxt_string(
+ "GET /page HTTP/1.1\r\n"
+ "Host: example.com\r\n\r\n"
+);
+
+
+static nxt_str_t nxt_http_test_big_request = nxt_string(
+ "POST /path/to/very/interesting/article/on.this.site?arg1=value&arg2=value"
+ "2&very_big_arg=even_bigger_value HTTP/1.1\r\n"
+ "Host: www.example.com\r\n"
+ "User-Agent: Mozilla/5.0 (X11; Gentoo Linux x86_64; rv:42.0) Firefox/42.0"
+ "\r\n"
+ "Accept: text/html,application/json,application/xml;q=0.9,*/*;q=0.8\r\n"
+ "Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.6,en;q=0.4\r\n"
+ "Accept-Encoding: gzip, deflate, br\r\n"
+ "If-Modified-Since: Wed, 31 Dec 1986 16:00:00 GMT\r\n"
+ "Referer: https://example.org/path/to/not-interesting/article.html\r\n"
+ "Cookie: name=value; name2=value2; some_big_cookie=iVBORw0KGgoAAAANSUhEUgA"
+ "AAEAAAABACAMAAACdt4HsAAAABGdBTUEAALGPC/xhBQAAAAFzUkdCAK7OHOkAAABmelRY"
+ "dFJhdyBwcm9maWxlIHR5cGUgZXhpZgAAeNptitsJgEAMBP9ThSWsZy6PcvKhcB1YvjEni"
+ "ODAwjAs7ec4aCmkEXc1cREk7OwtUgyTFRA3BU+vFPjS7gUI/p46Q0u2fP/1B7oA1Scbwk"
+ "nkf9gAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfUExURQwMDDw8PFBQUAICAhQUFAcHBxs"
+ "bGxEREQkJCTk5OTU1NSAgIFRUVB8fH0xMTCUlJVtbW0pKSikpKS8vL0BAQEZGRjMzM2Bg"
+ "YL6+vsDAwLS0tF1dXXJycrGxsWVlZWhoaKenp29vb6urq8TExHp6epSUlLu7u66urqOjo"
+ "5ycnH9/f4CAgJOTk5qamo6OjoWFhYiIiHd3d8nJyc/Pz9LS0ojXP1QAAAihSURBVFjDZV"
+ "eHdqM6EBUYEEh0EM3gCu41+/7/294dCSfZsxOHeM8yV3f6iGVGYohNEtJPGEjPiSLpMTz"
+ "zokg8DmGOCOm/P0I6MTPaBGDPCGEYV3kEzchjzPOSPIkk8BzuM8fSCOFfALER+6MdpnaV"
+ "55FMoOP7UliioK8QzpiT0Qv0Fl4lDJvFPwChETuHFjhw7vhRVcGAXDqcfhhnRaZUWeJTW"
+ "pYVCBEYAJihtCsUpIhyq6win3ueDCoRBIknJRwACtz3AJhDYBhESsmyEjhaKv0MRJIIFR"
+ "d4XyYqC1RWwQFeBF2CcApCmEFI2KwHTRIrsMq8UnYcRUkehKtlaGeq8BjowKHEQf7oEgH"
+ "JcKRWpSeZpTIrs5dKlGX9fF7GfrtdWqDAuce1IyOtLbWyRKRYIIIPBo63gswO07q20/p6"
+ "2txvj+flvUZUZeQ4IODBGDoYivoReREzugaAJKuX637dP0/DbnMGwuWyTTNlBYX0ItL3E"
+ "q2ptUmYZi9+ANLt9r2+nrqmORKD1/W9Xi3hirisEumQOz+qRv5hUL/H1bg7tG0znKbHCy"
+ "Zs16u6TgmiQH5rLW2Ltslhf6kjO1bjOJ4PTfu1PwDgeR0BsF6BBCBQIThee+P78QvAQNS"
+ "X17mD/tfXYaMBejAAhWWahqoiB5q8dmYQ9rc+AF7Trmn2BLC7vy4XQ0ADpHZmJRQPznVO"
+ "0YcABJRnBwBg+Tofm3a//2q7zYREIAAyAQRQQKqAJ/ksH4CPC4wJy9uma2eA2+syjtsVn"
+ "LicKzDTRYaqMgi/AQyHQNSPY0uyb7vdHVEcezDQBhAHJXLPqLOZxN8+CLJVehmapoUX2u"
+ "54okzsIXACucAOYyunov62AUDiN0IQd69+dyAf7PfdsLlRGAGwXekowIgySRzoMzZzcAj"
+ "gpxIs9Ti+TsTghLMvV1Lfbvt+vbTR9ZAJtlWoXxSIwaxuohCUt8Pp3LTd+XHt01KF9XZL"
+ "iRhXkSwKCzYg7X2NwGYYJsRvCHU6nndNO3SH4TauV9v3OK7rUKHnUJaiTxRl4XODwD8mC"
+ "Gptn0Q8j1e4oOmmfi0iZY/naRuWaIyiNI1bxDljs/7M4Hcxlta9fzTd/qubrrdYpNZ2GL"
+ "ZxgJboFkmFVhGLLPE/6ubPp5nNTphOAGj/QHavtZ292t3KLouiQocqbXhRKOlr+/9hoA0"
+ "og/d+dzi0/+2b7nTr60vXbtZhJkQZx2GaLsNMxZ8ozk5gphN/M4i79nBo/uwHdJPn1Db7"
+ "c40aUgoDRVdTmhn3awbsXxOs4PZfc2i+vrrTNCEe+/0JnTmkoZOiJcT2co4i5z9hnHu6Z"
+ "bxoT7sWAM3mfp9O7Vd7rnUV6E8ap2lk/MdmJzD2eyRohKrf4+DmON2ej6HZ31epnnqpLg"
+ "ZV8dmFMw6fB0vww0Gs903ToJaviOifdnrXS6SxhgjjxNEF9BH6VlUVMKqf+STqPTLpeHr"
+ "0l2HYHaYeHohVZiOIYUYjhjHfx0cLAHI96Qrzi4BXeYxiRi94PjeH4/k8xshgO8u0HYoI"
+ "EIDvQgzEPOJIaGAlSSQQye54nzbH3Wb3wFSJ9SJAi0XAZ33NwXUXC5dJFIRHvZo7n0Z3J"
+ "oDNaYef0zVd2bFZJjDzEmhByWfQ8bi/gDDpuz7NCa4RidhivT90w7B51tfXpV+F2CVEqd"
+ "eamC+gj5cYznSYawCYwSPvEIbP3ArqXXdeXze3MUUNBJbSAGHgGuOZ7maazAfAoXnnaP8"
+ "yN9kdj8fhjPY8TNt6FWchDTbsVB4s196jANI3XwNQPPXM9LSLmZ/Ae0f8nuGC2lhPK5md"
+ "++zbh76B8V0Wmaz0aOB7epHy5XA4b3ZIgt1puvYYrCkaQZyhCrjZ1ehw+B//An2skMYLh"
+ "GDCXB3b43Q6dhSL+7NHQ0YZYW3yyVfgyUwoOI1WABje3IkkBRMHRPmmPWxupyM4nF/jek"
+ "mrp8pSSSqap++aSADA1ZuTtsLTewPgKmfadx2q8YwNZVwhDzJVZnbGfEcDOB8A/Y1wDAV"
+ "iRxtHVLF321EiTJf3u0b+osLgglyTximcUQr6NJ2ZvwDAxwa9ejg8l7wcDsOAZLptwzgr"
+ "LUXLdOC5nF5yPi6giFAYsbTwbwQHcRCejFCHA/lwwoZFZRBjvZlbGJ4mGylj8E27giJDo"
+ "SQCsvJyR702xwGz8X5dp7qSMuy7lGcmhBrB13XxC8Asw7zIueBJ/brvEINHvzRLeSmS3C"
+ "SfTgHDwaXKIOd5c4/RoYzrRHiOtbpOm8391dNuhXW3rECBzwC+qWQS+IAZABSBE+VoJzV"
+ "6P+e5Wl9u9wlZRJtNjEXTLq1INwHdhvxZH9GkcFI8HFqAsWDLhYw5k0W8Hl8Y0fUSFxBs"
+ "9CquLGFKQBfcDODPrQGPnPpRlADAiZEMCVb1/r0lAkjD0kq9xSJnmj/7NoEiYUxAElOOA"
+ "SMoFgwAUhbKpnmANhTTFSXD+x6jEjJm+CaUXIdfJhFuN3RLy3GbcBcqYjJPKH8QwGWdod"
+ "nbEgqOMQD6xpXQJ/fjelXlgKU9vghk4S0KwZIC15YSvXjZ15awslAHzP00008iUEE7oC4"
+ "r7nKHerJAl18gGRGPAMwzez2GVpmFFhEAAKOe5CN6ZL6v0znPpVcluBMyj2ZDHhWLhciT"
+ "Ctq4UKb9uIIfV3ChqzvJpxvpWBIeAOheSXQ8ZEEig2DhyjyqSqVoJ9j2W0y2knLW16dCd"
+ "6EjyQ0a/E23IDDwowJ5IFJsMzJaRAEoxOFy1S+tXDAAcMdlxoP4w7UtnABQe0nhUa1HES"
+ "5kVennooC/WWEpANRLK4mYjplkcy/ViU+n627I8gjXIJ9L5APiCDYiqFD7IIYLWKoKySj"
+ "lUXleNM9TzcSfdxRGqlKijGALtTVJA7bgi0RVRaByyhjqP1S73BxPyjoeM47LPRqvVInU"
+ "cvGoCit3GRpZ5VC0XZ1zpg6pb1AqLAhDD8L/AcHH1p8sEFAHAAAAAElFTkSuQmCC\r\n"
+ "Connection: keep-alive\r\n"
+ "Content-Length: 0\r\n"
+ "Upgrade-Insecure-Requests: 1\r\n"
+ "Pragma: no-cache\r\n"
+ "Cache-Control: no-cache\r\n"
+ "X-Forwarded-For: 192.0.2.0, 198.51.100.0, 203.0.113.0\r\n"
+ "\r\n"
+);
+
+
+nxt_int_t
+nxt_http_parse_test(nxt_thread_t *thr)
+{
+ nxt_mp_t *mp, *mp_temp;
+ nxt_int_t rc;
+ nxt_uint_t i;
+ nxt_http_fields_hash_t *hash;
+ nxt_http_request_parse_t rp;
+ nxt_http_parse_test_case_t *test;
+
+ nxt_thread_time_update(thr);
+
+ mp = nxt_mp_create(1024, 128, 256, 32);
+ if (mp == NULL) {
+ return NXT_ERROR;
+ }
+
+ hash = nxt_http_fields_hash_create(nxt_http_test_fields, mp);
+ if (hash == NULL) {
+ return NXT_ERROR;
+ }
+
+ for (i = 0; i < nxt_nitems(nxt_http_test_cases); i++) {
+ test = &nxt_http_test_cases[i];
+
+ nxt_memzero(&rp, sizeof(nxt_http_request_parse_t));
+
+ mp_temp = nxt_mp_create(1024, 128, 256, 32);
+ if (mp_temp == NULL) {
+ return NXT_ERROR;
+ }
+
+ if (nxt_http_parse_request_init(&rp, mp_temp) != NXT_OK) {
+ return NXT_ERROR;
+ }
+
+ rp.fields_hash = hash;
+
+ rc = nxt_http_parse_test_run(&rp, &test->request);
+
+ if (rc != test->result) {
+ nxt_log_alert(thr->log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - result: %i (expected: %i)",
+ &test->request, rc, test->result);
+ return NXT_ERROR;
+ }
+
+ if (test->handler != NULL
+ && test->handler(&rp, &test->data, &test->request, thr->log)
+ != NXT_OK)
+ {
+ return NXT_ERROR;
+ }
+
+ nxt_mp_destroy(mp_temp);
+ }
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "http parse test passed");
+
+ hash = nxt_http_fields_hash_create(nxt_http_test_bench_fields, mp);
+ if (hash == NULL) {
+ return NXT_ERROR;
+ }
+
+ if (nxt_http_parse_test_bench(thr, &nxt_http_test_simple_request,
+ hash, "simple", 10000000)
+ != NXT_OK)
+ {
+ return NXT_ERROR;
+ }
+
+ if (nxt_http_parse_test_bench(thr, &nxt_http_test_big_request,
+ hash, "big", 100000)
+ != NXT_OK)
+ {
+ return NXT_ERROR;
+ }
+
+ nxt_mp_destroy(mp);
+
+ return NXT_OK;
+}
+
+
+static nxt_int_t
+nxt_http_parse_test_run(nxt_http_request_parse_t *rp, nxt_str_t *request)
+{
+ nxt_int_t rc;
+ nxt_buf_mem_t buf;
+
+ buf.start = request->start;
+ buf.end = request->start + request->length;
+
+ buf.pos = buf.start;
+ buf.free = buf.pos + 1;
+
+ do {
+ buf.free++;
+ rc = nxt_http_parse_request(rp, &buf);
+ } while (buf.free < buf.end && rc == NXT_AGAIN);
+
+ return rc;
+}
+
+
+static nxt_int_t
+nxt_http_parse_test_bench(nxt_thread_t *thr, nxt_str_t *request,
+ nxt_http_fields_hash_t *hash, const char *name, nxt_uint_t n)
+{
+ nxt_mp_t *mp;
+ nxt_nsec_t start, end;
+ nxt_uint_t i;
+ nxt_buf_mem_t buf;
+ nxt_http_request_parse_t rp;
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "http parse %s request bench started: %uz bytes, %ui runs",
+ name, request->length, n);
+
+ buf.start = request->start;
+ buf.end = request->start + request->length;
+
+ nxt_thread_time_update(thr);
+ start = nxt_thread_monotonic_time(thr);
+
+ for (i = 0; nxt_fast_path(i < n); i++) {
+ nxt_memzero(&rp, sizeof(nxt_http_request_parse_t));
+
+ mp = nxt_mp_create(1024, 128, 256, 32);
+ if (nxt_slow_path(mp == NULL)) {
+ return NXT_ERROR;
+ }
+
+ if (nxt_slow_path(nxt_http_parse_request_init(&rp, mp) != NXT_OK)) {
+ return NXT_ERROR;
+ }
+
+ rp.fields_hash = hash;
+
+ buf.pos = buf.start;
+ buf.free = buf.end;
+
+ if (nxt_slow_path(nxt_http_parse_request(&rp, &buf) != NXT_DONE)) {
+ nxt_log_alert(thr->log, "http parse %s request bench failed "
+ "while parsing", name);
+ return NXT_ERROR;
+ }
+
+ if (nxt_slow_path(nxt_http_fields_process(rp.fields, NULL, thr->log)
+ != NXT_OK))
+ {
+ nxt_log_alert(thr->log, "http parse %s request bench failed "
+ "while fields processing", name);
+ return NXT_ERROR;
+ }
+
+ nxt_mp_destroy(mp);
+ }
+
+ nxt_thread_time_update(thr);
+ end = nxt_thread_monotonic_time(thr);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "http parse %s request bench: %0.3fs",
+ name, (end - start) / 1000000000.0);
+
+ return NXT_OK;
+}
+
+
+static nxt_int_t
+nxt_http_parse_test_request_line(nxt_http_request_parse_t *rp,
+ nxt_http_parse_test_data_t *data, nxt_str_t *request, nxt_log_t *log)
+{
+ nxt_str_t str;
+
+ nxt_http_parse_test_request_line_t *test = &data->request_line;
+
+ if (rp->method.start != test->method.start
+ && !nxt_strstr_eq(&rp->method, &test->method))
+ {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - method: \"%V\" (expected: \"%V\")",
+ request, &rp->method, &test->method);
+ return NXT_ERROR;
+ }
+
+ str.length = rp->target_end - rp->target_start;
+ str.start = rp->target_start;
+
+ if (str.start != test->target.start
+ && !nxt_strstr_eq(&str, &test->target))
+ {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - target: \"%V\" (expected: \"%V\")",
+ request, &str, &test->target);
+ return NXT_ERROR;
+ }
+
+ str.length = (rp->exten_start != NULL) ? rp->target_end - rp->exten_start
+ : 0;
+ str.start = rp->exten_start;
+
+ if (str.start != test->exten.start
+ && !nxt_strstr_eq(&str, &test->exten))
+ {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - exten: \"%V\" (expected: \"%V\")",
+ request, &str, &test->exten);
+ return NXT_ERROR;
+ }
+
+ str.length = (rp->args_start != NULL) ? rp->target_end - rp->args_start
+ : 0;
+ str.start = rp->args_start;
+
+ if (str.start != test->args.start
+ && !nxt_strstr_eq(&str, &test->args))
+ {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - args: \"%V\" (expected: \"%V\")",
+ request, &str, &test->args);
+ return NXT_ERROR;
+ }
+
+ if (nxt_memcmp(rp->version.str, test->version, 8) != 0) {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - version: \"%*s\" (expected: \"%*s\")",
+ request, 8, rp->version.str, 8, test->version);
+ return NXT_ERROR;
+ }
+
+ if (rp->complex_target != test->complex_target) {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - complex_target: %d (expected: %d)",
+ request, rp->complex_target, test->complex_target);
+ return NXT_ERROR;
+ }
+
+ if (rp->quoted_target != test->quoted_target) {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - quoted_target: %d (expected: %d)",
+ request, rp->quoted_target, test->quoted_target);
+ return NXT_ERROR;
+ }
+
+ if (rp->space_in_target != test->space_in_target) {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - space_in_target: %d (expected: %d)",
+ request, rp->space_in_target, test->space_in_target);
+ return NXT_ERROR;
+ }
+
+ if (rp->plus_in_target != test->plus_in_target) {
+ nxt_log_alert(log, "http parse test case failed:\n"
+ " - request:\n\"%V\"\n"
+ " - plus_in_target: %d (expected: %d)",
+ request, rp->plus_in_target, test->plus_in_target);
+ return NXT_ERROR;
+ }
+
+ return NXT_OK;
+}
+
+
+static nxt_int_t
+nxt_http_parse_test_fields(nxt_http_request_parse_t *rp,
+ nxt_http_parse_test_data_t *data, nxt_str_t *request, nxt_log_t *log)
+{
+ nxt_int_t rc;
+
+ rc = nxt_http_fields_process(rp->fields, NULL, log);
+
+ if (rc != data->result) {
+ nxt_log_alert(log, "http parse test hash failed:\n"
+ " - request:\n\"%V\"\n"
+ " - result: %i (expected: %i)",
+ request, rc, data->result);
+ return NXT_ERROR;
+ }
+
+ return NXT_OK;
+}
+
+
+static nxt_int_t
+nxt_http_test_header_return(void *ctx, nxt_http_field_t *field, nxt_log_t *log)
+{
+ return (nxt_int_t) field->data;
+}
diff --git a/src/test/nxt_lvlhsh_test.c b/src/test/nxt_lvlhsh_test.c
new file mode 100644
index 00000000..62139fe6
--- /dev/null
+++ b/src/test/nxt_lvlhsh_test.c
@@ -0,0 +1,229 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+static nxt_int_t
+nxt_lvlhsh_test_key_test(nxt_lvlhsh_query_t *lhq, void *data)
+{
+ if (*(uintptr_t *) lhq->key.start == (uintptr_t) data) {
+ return NXT_OK;
+ }
+
+ return NXT_DECLINED;
+}
+
+
+static void *
+nxt_lvlhsh_test_pool_alloc(void *pool, size_t size)
+{
+ return nxt_mp_align(pool, size, size);
+}
+
+
+static void
+nxt_lvlhsh_test_pool_free(void *pool, void *p)
+{
+ nxt_mp_free(pool, p);
+}
+
+
+static const nxt_lvlhsh_proto_t malloc_proto nxt_aligned(64) = {
+ //NXT_LVLHSH_LARGE_MEMALIGN,
+ NXT_LVLHSH_DEFAULT,
+ nxt_lvlhsh_test_key_test,
+ nxt_lvlhsh_alloc,
+ nxt_lvlhsh_free,
+};
+
+static const nxt_lvlhsh_proto_t pool_proto nxt_aligned(64) = {
+ NXT_LVLHSH_LARGE_SLAB,
+ nxt_lvlhsh_test_key_test,
+ nxt_lvlhsh_test_pool_alloc,
+ nxt_lvlhsh_test_pool_free,
+};
+
+
+static nxt_int_t
+nxt_lvlhsh_test_add(nxt_lvlhsh_t *lh, const nxt_lvlhsh_proto_t *proto,
+ void *pool, uintptr_t key)
+{
+ nxt_lvlhsh_query_t lhq;
+
+ lhq.key_hash = key;
+ lhq.replace = 0;
+ lhq.key.length = sizeof(uintptr_t);
+ lhq.key.start = (u_char *) &key;
+ lhq.value = (void *) key;
+ lhq.proto = proto;
+ lhq.pool = pool;
+
+ switch (nxt_lvlhsh_insert(lh, &lhq)) {
+
+ case NXT_OK:
+ return NXT_OK;
+
+ case NXT_DECLINED:
+ nxt_thread_log_alert("lvlhsh test failed: "
+ "key %p is already in hash", key);
+ /* Fall through. */
+ default:
+ return NXT_ERROR;
+ }
+}
+
+
+static nxt_int_t
+nxt_lvlhsh_test_get(nxt_lvlhsh_t *lh, const nxt_lvlhsh_proto_t *proto,
+ uintptr_t key)
+{
+ nxt_lvlhsh_query_t lhq;
+
+ lhq.key_hash = key;
+ lhq.key.length = sizeof(uintptr_t);
+ lhq.key.start = (u_char *) &key;
+ lhq.proto = proto;
+
+ if (nxt_lvlhsh_find(lh, &lhq) == NXT_OK) {
+
+ if (key == (uintptr_t) lhq.value) {
+ return NXT_OK;
+ }
+ }
+
+ nxt_thread_log_alert("lvlhsh test failed: "
+ "key %p not found in hash", key);
+
+ return NXT_ERROR;
+}
+
+
+static nxt_int_t
+nxt_lvlhsh_test_delete(nxt_lvlhsh_t *lh, const nxt_lvlhsh_proto_t *proto,
+ void *pool, uintptr_t key)
+{
+ nxt_int_t ret;
+ nxt_lvlhsh_query_t lhq;
+
+ lhq.key_hash = key;
+ lhq.key.length = sizeof(uintptr_t);
+ lhq.key.start = (u_char *) &key;
+ lhq.proto = proto;
+ lhq.pool = pool;
+
+ ret = nxt_lvlhsh_delete(lh, &lhq);
+
+ if (ret != NXT_OK) {
+ nxt_thread_log_alert("lvlhsh test failed: "
+ "key %p not found in hash", key);
+ }
+
+ return ret;
+}
+
+
+nxt_int_t
+nxt_lvlhsh_test(nxt_thread_t *thr, nxt_uint_t n, nxt_bool_t use_pool)
+{
+ uintptr_t key;
+ nxt_mp_t *mp;
+ nxt_nsec_t start, end;
+ nxt_uint_t i;
+ nxt_lvlhsh_t lh;
+ nxt_lvlhsh_each_t lhe;
+ const nxt_lvlhsh_proto_t *proto;
+
+ const size_t min_chunk_size = 32;
+ const size_t page_size = 1024;
+ const size_t page_alignment = 128;
+ const size_t cluster_size = 4096;
+
+ nxt_thread_time_update(thr);
+ start = nxt_thread_monotonic_time(thr);
+
+ if (use_pool) {
+ mp = nxt_mp_create(cluster_size, page_alignment, page_size,
+ min_chunk_size);
+ if (mp == NULL) {
+ return NXT_ERROR;
+ }
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "lvlhsh test started: %uD pool", n);
+ proto = &pool_proto;
+
+ } else {
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "lvlhsh test started: %uD malloc", n);
+ proto = &malloc_proto;
+ mp = NULL;
+ }
+
+ nxt_memzero(&lh, sizeof(nxt_lvlhsh_t));
+
+ key = 0;
+ for (i = 0; i < n; i++) {
+ key = nxt_murmur_hash2(&key, sizeof(uint32_t));
+
+ if (nxt_lvlhsh_test_add(&lh, proto, mp, key) != NXT_OK) {
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "lvlhsh add test failed at %ui", i);
+ return NXT_ERROR;
+ }
+ }
+
+ key = 0;
+ for (i = 0; i < n; i++) {
+ key = nxt_murmur_hash2(&key, sizeof(uint32_t));
+
+ if (nxt_lvlhsh_test_get(&lh, proto, key) != NXT_OK) {
+ return NXT_ERROR;
+ }
+ }
+
+ nxt_memzero(&lhe, sizeof(nxt_lvlhsh_each_t));
+ lhe.proto = proto;
+
+ for (i = 0; i < n + 1; i++) {
+ if (nxt_lvlhsh_each(&lh, &lhe) == NULL) {
+ break;
+ }
+ }
+
+ if (i != n) {
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "lvlhsh each test failed at %ui of %ui", i, n);
+ return NXT_ERROR;
+ }
+
+ key = 0;
+ for (i = 0; i < n; i++) {
+ key = nxt_murmur_hash2(&key, sizeof(uint32_t));
+
+ if (nxt_lvlhsh_test_delete(&lh, proto, mp, key) != NXT_OK) {
+ return NXT_ERROR;
+ }
+ }
+
+ if (mp != NULL) {
+ if (!nxt_mp_is_empty(mp)) {
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "mem pool is not empty");
+ return NXT_ERROR;
+ }
+
+ nxt_mp_destroy(mp);
+ }
+
+ nxt_thread_time_update(thr);
+ end = nxt_thread_monotonic_time(thr);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "lvlhsh test passed: %0.3fs",
+ (end - start) / 1000000000.0);
+
+ return NXT_OK;
+}
diff --git a/src/test/nxt_malloc_test.c b/src/test/nxt_malloc_test.c
new file mode 100644
index 00000000..daa609b1
--- /dev/null
+++ b/src/test/nxt_malloc_test.c
@@ -0,0 +1,123 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+#define TIMES 1000
+
+
+typedef struct {
+ size_t size;
+ size_t alignment;
+ nxt_bool_t tight;
+} nxt_malloc_size_t;
+
+
+static nxt_malloc_size_t *
+nxt_malloc_run_test(nxt_thread_t *thr, nxt_malloc_size_t *last, size_t size,
+ nxt_uint_t times)
+{
+ size_t a, s, alignment;
+ uintptr_t n;
+ nxt_uint_t i, tight;
+ static u_char *p[TIMES + 1];
+
+ alignment = (size_t) -1;
+ tight = 0;
+
+ for (i = 1; i < times; i++) {
+
+ p[i] = nxt_malloc(size);
+ if (p[i] == NULL) {
+ return NULL;
+ }
+
+ n = (uintptr_t) p[i];
+ a = 0;
+
+ while ((n & 1) == 0) {
+ a++;
+ n >>= 1;
+ }
+
+ alignment = nxt_min(alignment, a);
+ }
+
+
+ for (i = 1; i < times; i++) {
+ s = size;
+ nxt_malloc_usable_size(p[i], s);
+
+ if (p[i - 1] + s == p[i] || p[i - 1] == p[i] + s) {
+ tight++;
+ }
+
+ nxt_free(p[i]);
+ }
+
+ alignment = 1 << alignment;
+
+#if 0
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "malloc: %uz, %uz, %ui", size, alignment, tight);
+#endif
+
+ while (last->alignment >= alignment) {
+ last--;
+ }
+
+ last++;
+
+ last->size = size;
+ last->alignment = alignment;
+ last->tight = times * 9 / 10 < tight;
+
+ return last;
+}
+
+
+nxt_int_t
+nxt_malloc_test(nxt_thread_t *thr)
+{
+ size_t size;
+ nxt_malloc_size_t *last, *s;
+ static nxt_malloc_size_t sizes[100];
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "malloc test started");
+
+ last = &sizes[0];
+
+ for (size = 1; size < 64; size++) {
+ last = nxt_malloc_run_test(thr, last, size, TIMES);
+ if (last == NULL) {
+ return NXT_ERROR;
+ }
+ }
+
+ for (size = 64; size < 16384; size += 8) {
+ last = nxt_malloc_run_test(thr, last, size, TIMES / 4);
+ if (last == NULL) {
+ return NXT_ERROR;
+ }
+ }
+
+ for (size = 16384; size < 512 * 1024 + 129; size += 128) {
+ last = nxt_malloc_run_test(thr, last, size, TIMES / 16);
+ if (last == NULL) {
+ return NXT_ERROR;
+ }
+ }
+
+ for (s = &sizes[1]; s <= last; s++) {
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "malloc sizes: %uz-%uz alignment:%uz tight:%ui",
+ s[-1].size + 1, s->size, s->alignment, s->tight);
+ }
+
+ return NXT_OK;
+}
diff --git a/src/test/nxt_mem_zone_test.c b/src/test/nxt_mem_zone_test.c
new file mode 100644
index 00000000..faf0feee
--- /dev/null
+++ b/src/test/nxt_mem_zone_test.c
@@ -0,0 +1,74 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+nxt_int_t
+nxt_mem_zone_test(nxt_thread_t *thr, nxt_uint_t runs, nxt_uint_t nblocks,
+ size_t max_size)
+{
+ void *start, **blocks;
+ size_t total, zone_size;
+ uint32_t size;
+ nxt_uint_t i, n;
+ nxt_mem_zone_t *zone;
+ const size_t page_size = 4096;
+
+ nxt_thread_time_update(thr);
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "mem zone test started, max:%uz", max_size);
+
+ zone_size = (max_size + 1) * nblocks;
+
+ start = nxt_memalign(page_size, zone_size);
+ if (start == NULL) {
+ return NXT_ERROR;
+ }
+
+ zone = nxt_mem_zone_init(start, zone_size, page_size);
+ if (zone == NULL) {
+ return NXT_ERROR;
+ }
+
+ blocks = nxt_malloc(nblocks * sizeof(void *));
+ if (blocks == NULL) {
+ return NXT_ERROR;
+ }
+
+ size = 0;
+
+ for (i = 0; i < runs; i++) {
+
+ total = 0;
+
+ for (n = 0; n < nblocks; n++) {
+ size = nxt_murmur_hash2(&size, sizeof(uint32_t));
+
+ total += size & max_size;
+ blocks[n] = nxt_mem_zone_alloc(zone, size & max_size);
+
+ if (blocks[n] == NULL) {
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "mem zone test failed: %uz", total);
+ return NXT_ERROR;
+ }
+ }
+
+ for (n = 0; n < nblocks; n++) {
+ nxt_mem_zone_free(zone, blocks[n]);
+ }
+ }
+
+ nxt_free(blocks);
+ nxt_free(zone);
+
+ nxt_thread_time_update(thr);
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "mem zone test passed");
+
+ return NXT_OK;
+}
diff --git a/src/test/nxt_mp_test.c b/src/test/nxt_mp_test.c
new file mode 100644
index 00000000..39aa939d
--- /dev/null
+++ b/src/test/nxt_mp_test.c
@@ -0,0 +1,90 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+nxt_int_t
+nxt_mp_test(nxt_thread_t *thr, nxt_uint_t runs, nxt_uint_t nblocks,
+ size_t max_size)
+{
+ void **blocks;
+ size_t total;
+ uint32_t value, size;
+ nxt_mp_t *mp;
+ nxt_bool_t valid;
+ nxt_uint_t i, n;
+
+ const size_t min_chunk_size = 16;
+ const size_t page_size = 128;
+ const size_t page_alignment = 128;
+ const size_t cluster_size = page_size * 8;
+
+ nxt_thread_time_update(thr);
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "mem pool test started, max:%uz", max_size);
+
+ blocks = nxt_malloc(nblocks * sizeof(void *));
+ if (blocks == NULL) {
+ return NXT_ERROR;
+ }
+
+ valid = nxt_mp_test_sizes(cluster_size, page_alignment, page_size,
+ min_chunk_size);
+ if (!valid) {
+ return NXT_ERROR;
+ }
+
+ mp = nxt_mp_create(cluster_size, page_alignment, page_size, min_chunk_size);
+ if (mp == NULL) {
+ return NXT_ERROR;
+ }
+
+ value = 0;
+
+ for (i = 0; i < runs; i++) {
+
+ total = 0;
+
+ for (n = 0; n < nblocks; n++) {
+ value = nxt_murmur_hash2(&value, sizeof(uint32_t));
+
+ size = value & max_size;
+
+ if (size == 0) {
+ size++;
+ }
+
+ total += size;
+ blocks[n] = nxt_mp_alloc(mp, size);
+
+ if (blocks[n] == NULL) {
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "mem pool test failed: %uz", total);
+ return NXT_ERROR;
+ }
+ }
+
+ for (n = 0; n < nblocks; n++) {
+ nxt_mp_free(mp, blocks[n]);
+ }
+ }
+
+ if (!nxt_mp_is_empty(mp)) {
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "mem pool is not empty");
+ return NXT_ERROR;
+ }
+
+ nxt_mp_destroy(mp);
+
+ nxt_free(blocks);
+
+ nxt_thread_time_update(thr);
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "mem pool test passed");
+
+ return NXT_OK;
+}
diff --git a/src/test/nxt_msec_diff_test.c b/src/test/nxt_msec_diff_test.c
new file mode 100644
index 00000000..5af7c011
--- /dev/null
+++ b/src/test/nxt_msec_diff_test.c
@@ -0,0 +1,46 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+static const nxt_msec_t pairs[] = {
+
+ 0x00000000, 0x00000001,
+ 0x00000000, 0x7fffffff,
+
+ 0x7fffffff, 0x80000000,
+ 0x7fffffff, 0x80000001,
+
+ 0x80000000, 0x80000001,
+ 0x80000000, 0xffffffff,
+
+ 0xffffffff, 0x00000000,
+ 0xffffffff, 0x00000001,
+};
+
+
+nxt_int_t
+nxt_msec_diff_test(nxt_thread_t *thr, nxt_msec_less_t less)
+{
+ nxt_uint_t i;
+
+ nxt_thread_time_update(thr);
+
+ for (i = 0; i < nxt_nitems(pairs); i += 2) {
+
+ if (!less(pairs[i], pairs[i + 1])) {
+ nxt_log_alert(thr->log,
+ "msec diff test failed: 0x%08XM 0x%08XM",
+ pairs[i], pairs[i + 1]);
+ return NXT_ERROR;
+ }
+ }
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "msec diff test passed");
+ return NXT_OK;
+}
diff --git a/src/test/nxt_rbtree1.c b/src/test/nxt_rbtree1.c
new file mode 100644
index 00000000..1ae059ab
--- /dev/null
+++ b/src/test/nxt_rbtree1.c
@@ -0,0 +1,382 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#include <nxt_main.h>
+#include "nxt_rbtree1.h"
+
+
+/*
+ * The red-black tree code is based on the algorithm described in
+ * the "Introduction to Algorithms" by Cormen, Leiserson and Rivest.
+ */
+
+
+nxt_inline void nxt_rbtree1_left_rotate(nxt_rbtree1_node_t **root,
+ nxt_rbtree1_node_t *sentinel, nxt_rbtree1_node_t *node);
+nxt_inline void nxt_rbtree1_right_rotate(nxt_rbtree1_node_t **root,
+ nxt_rbtree1_node_t *sentinel, nxt_rbtree1_node_t *node);
+
+
+void
+nxt_rbtree1_insert(nxt_rbtree1_t *tree, nxt_rbtree1_node_t *node)
+{
+ nxt_rbtree1_node_t **root, *temp, *sentinel;
+
+ /* a binary tree insert */
+
+ root = (nxt_rbtree1_node_t **) &tree->root;
+ sentinel = tree->sentinel;
+
+ if (*root == sentinel) {
+ node->parent = NULL;
+ node->left = sentinel;
+ node->right = sentinel;
+ nxt_rbtree1_black(node);
+ *root = node;
+
+ return;
+ }
+
+ tree->insert(*root, node, sentinel);
+
+ /* re-balance tree */
+
+ while (node != *root && nxt_rbtree1_is_red(node->parent)) {
+
+ if (node->parent == node->parent->parent->left) {
+ temp = node->parent->parent->right;
+
+ if (nxt_rbtree1_is_red(temp)) {
+ nxt_rbtree1_black(node->parent);
+ nxt_rbtree1_black(temp);
+ nxt_rbtree1_red(node->parent->parent);
+ node = node->parent->parent;
+
+ } else {
+ if (node == node->parent->right) {
+ node = node->parent;
+ nxt_rbtree1_left_rotate(root, sentinel, node);
+ }
+
+ nxt_rbtree1_black(node->parent);
+ nxt_rbtree1_red(node->parent->parent);
+ nxt_rbtree1_right_rotate(root, sentinel, node->parent->parent);
+ }
+
+ } else {
+ temp = node->parent->parent->left;
+
+ if (nxt_rbtree1_is_red(temp)) {
+ nxt_rbtree1_black(node->parent);
+ nxt_rbtree1_black(temp);
+ nxt_rbtree1_red(node->parent->parent);
+ node = node->parent->parent;
+
+ } else {
+ if (node == node->parent->left) {
+ node = node->parent;
+ nxt_rbtree1_right_rotate(root, sentinel, node);
+ }
+
+ nxt_rbtree1_black(node->parent);
+ nxt_rbtree1_red(node->parent->parent);
+ nxt_rbtree1_left_rotate(root, sentinel, node->parent->parent);
+ }
+ }
+ }
+
+ nxt_rbtree1_black(*root);
+}
+
+
+void
+nxt_rbtree1_insert_value(nxt_rbtree1_node_t *temp, nxt_rbtree1_node_t *node,
+ nxt_rbtree1_node_t *sentinel)
+{
+ nxt_rbtree1_node_t **p;
+
+ for ( ;; ) {
+
+ p = (node->key < temp->key) ? &temp->left : &temp->right;
+
+ if (*p == sentinel) {
+ break;
+ }
+
+ temp = *p;
+ }
+
+ *p = node;
+ node->parent = temp;
+ node->left = sentinel;
+ node->right = sentinel;
+ nxt_rbtree1_red(node);
+}
+
+
+void
+nxt_rbtree1_insert_timer_value(nxt_rbtree1_node_t *temp,
+ nxt_rbtree1_node_t *node, nxt_rbtree1_node_t *sentinel)
+{
+ nxt_rbtree1_node_t **p;
+
+ for ( ;; ) {
+
+ /*
+ * Timer values
+ * 1) are spread in small range, usually several minutes,
+ * 2) and overflow each 49 days, if milliseconds are stored in 32 bits.
+ * The comparison takes into account that overflow.
+ */
+
+ /* node->key < temp->key */
+
+ p = ((nxt_rbtree1_key_int_t) (node->key - temp->key) < 0)
+ ? &temp->left : &temp->right;
+
+ if (*p == sentinel) {
+ break;
+ }
+
+ temp = *p;
+ }
+
+ *p = node;
+ node->parent = temp;
+ node->left = sentinel;
+ node->right = sentinel;
+ nxt_rbtree1_red(node);
+}
+
+
+void
+nxt_rbtree1_delete(nxt_rbtree1_t *tree, nxt_rbtree1_node_t *node)
+{
+ nxt_uint_t red;
+ nxt_rbtree1_node_t **root, *sentinel, *subst, *temp, *w;
+
+ /* a binary tree delete */
+
+ root = (nxt_rbtree1_node_t **) &tree->root;
+ sentinel = tree->sentinel;
+
+ if (node->left == sentinel) {
+ temp = node->right;
+ subst = node;
+
+ } else if (node->right == sentinel) {
+ temp = node->left;
+ subst = node;
+
+ } else {
+ subst = nxt_rbtree1_min(node->right, sentinel);
+
+ if (subst->left != sentinel) {
+ temp = subst->left;
+ } else {
+ temp = subst->right;
+ }
+ }
+
+ if (subst == *root) {
+ *root = temp;
+ nxt_rbtree1_black(temp);
+
+ /* DEBUG stuff */
+ node->left = NULL;
+ node->right = NULL;
+ node->parent = NULL;
+ node->key = 0;
+
+ return;
+ }
+
+ red = nxt_rbtree1_is_red(subst);
+
+ if (subst == subst->parent->left) {
+ subst->parent->left = temp;
+
+ } else {
+ subst->parent->right = temp;
+ }
+
+ if (subst == node) {
+
+ temp->parent = subst->parent;
+
+ } else {
+
+ if (subst->parent == node) {
+ temp->parent = subst;
+
+ } else {
+ temp->parent = subst->parent;
+ }
+
+ subst->left = node->left;
+ subst->right = node->right;
+ subst->parent = node->parent;
+ nxt_rbtree1_copy_color(subst, node);
+
+ if (node == *root) {
+ *root = subst;
+
+ } else {
+ if (node == node->parent->left) {
+ node->parent->left = subst;
+ } else {
+ node->parent->right = subst;
+ }
+ }
+
+ if (subst->left != sentinel) {
+ subst->left->parent = subst;
+ }
+
+ if (subst->right != sentinel) {
+ subst->right->parent = subst;
+ }
+ }
+
+ /* DEBUG stuff */
+ node->left = NULL;
+ node->right = NULL;
+ node->parent = NULL;
+ node->key = 0;
+
+ if (red) {
+ return;
+ }
+
+ /* a delete fixup */
+
+ while (temp != *root && nxt_rbtree1_is_black(temp)) {
+
+ if (temp == temp->parent->left) {
+ w = temp->parent->right;
+
+ if (nxt_rbtree1_is_red(w)) {
+ nxt_rbtree1_black(w);
+ nxt_rbtree1_red(temp->parent);
+ nxt_rbtree1_left_rotate(root, sentinel, temp->parent);
+ w = temp->parent->right;
+ }
+
+ if (nxt_rbtree1_is_black(w->left) && nxt_rbtree1_is_black(w->right))
+ {
+ nxt_rbtree1_red(w);
+ temp = temp->parent;
+
+ } else {
+ if (nxt_rbtree1_is_black(w->right)) {
+ nxt_rbtree1_black(w->left);
+ nxt_rbtree1_red(w);
+ nxt_rbtree1_right_rotate(root, sentinel, w);
+ w = temp->parent->right;
+ }
+
+ nxt_rbtree1_copy_color(w, temp->parent);
+ nxt_rbtree1_black(temp->parent);
+ nxt_rbtree1_black(w->right);
+ nxt_rbtree1_left_rotate(root, sentinel, temp->parent);
+ temp = *root;
+ }
+
+ } else {
+ w = temp->parent->left;
+
+ if (nxt_rbtree1_is_red(w)) {
+ nxt_rbtree1_black(w);
+ nxt_rbtree1_red(temp->parent);
+ nxt_rbtree1_right_rotate(root, sentinel, temp->parent);
+ w = temp->parent->left;
+ }
+
+ if (nxt_rbtree1_is_black(w->left) && nxt_rbtree1_is_black(w->right))
+ {
+ nxt_rbtree1_red(w);
+ temp = temp->parent;
+
+ } else {
+ if (nxt_rbtree1_is_black(w->left)) {
+ nxt_rbtree1_black(w->right);
+ nxt_rbtree1_red(w);
+ nxt_rbtree1_left_rotate(root, sentinel, w);
+ w = temp->parent->left;
+ }
+
+ nxt_rbtree1_copy_color(w, temp->parent);
+ nxt_rbtree1_black(temp->parent);
+ nxt_rbtree1_black(w->left);
+ nxt_rbtree1_right_rotate(root, sentinel, temp->parent);
+ temp = *root;
+ }
+ }
+ }
+
+ nxt_rbtree1_black(temp);
+}
+
+
+nxt_inline void
+nxt_rbtree1_left_rotate(nxt_rbtree1_node_t **root, nxt_rbtree1_node_t *sentinel,
+ nxt_rbtree1_node_t *node)
+{
+ nxt_rbtree1_node_t *temp;
+
+ temp = node->right;
+ node->right = temp->left;
+
+ if (temp->left != sentinel) {
+ temp->left->parent = node;
+ }
+
+ temp->parent = node->parent;
+
+ if (node == *root) {
+ *root = temp;
+
+ } else if (node == node->parent->left) {
+ node->parent->left = temp;
+
+ } else {
+ node->parent->right = temp;
+ }
+
+ temp->left = node;
+ node->parent = temp;
+}
+
+
+nxt_inline void
+nxt_rbtree1_right_rotate(nxt_rbtree1_node_t **root,
+ nxt_rbtree1_node_t *sentinel, nxt_rbtree1_node_t *node)
+{
+ nxt_rbtree1_node_t *temp;
+
+ temp = node->left;
+ node->left = temp->right;
+
+ if (temp->right != sentinel) {
+ temp->right->parent = node;
+ }
+
+ temp->parent = node->parent;
+
+ if (node == *root) {
+ *root = temp;
+
+ } else if (node == node->parent->right) {
+ node->parent->right = temp;
+
+ } else {
+ node->parent->left = temp;
+ }
+
+ temp->right = node;
+ node->parent = temp;
+}
diff --git a/src/test/nxt_rbtree1.h b/src/test/nxt_rbtree1.h
new file mode 100644
index 00000000..60048dad
--- /dev/null
+++ b/src/test/nxt_rbtree1.h
@@ -0,0 +1,73 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+typedef nxt_uint_t nxt_rbtree1_key_t;
+typedef nxt_int_t nxt_rbtree1_key_int_t;
+
+
+typedef struct nxt_rbtree1_node_s nxt_rbtree1_node_t;
+
+struct nxt_rbtree1_node_s {
+ nxt_rbtree1_key_t key;
+ nxt_rbtree1_node_t *left;
+ nxt_rbtree1_node_t *right;
+ nxt_rbtree1_node_t *parent;
+ u_char color;
+ u_char data;
+};
+
+
+typedef struct nxt_rbtree1_s nxt_rbtree1_t;
+
+typedef void (*nxt_rbtree1_insert_pt) (nxt_rbtree1_node_t *root,
+ nxt_rbtree1_node_t *node, nxt_rbtree1_node_t *sentinel);
+
+struct nxt_rbtree1_s {
+ nxt_rbtree1_node_t *root;
+ nxt_rbtree1_node_t *sentinel;
+ nxt_rbtree1_insert_pt insert;
+};
+
+
+#define nxt_rbtree1_init(tree, s, i) \
+ nxt_rbtree1_sentinel_init(s); \
+ (tree)->root = s; \
+ (tree)->sentinel = s; \
+ (tree)->insert = i
+
+
+NXT_EXPORT void nxt_rbtree1_insert(nxt_rbtree1_t *tree,
+ nxt_rbtree1_node_t *node);
+NXT_EXPORT void nxt_rbtree1_delete(nxt_rbtree1_t *tree,
+ nxt_rbtree1_node_t *node);
+NXT_EXPORT void nxt_rbtree1_insert_value(nxt_rbtree1_node_t *root,
+ nxt_rbtree1_node_t *node, nxt_rbtree1_node_t *sentinel);
+NXT_EXPORT void nxt_rbtree1_insert_timer_value(nxt_rbtree1_node_t *root,
+ nxt_rbtree1_node_t *node, nxt_rbtree1_node_t *sentinel);
+
+
+#define nxt_rbtree1_red(node) ((node)->color = 1)
+#define nxt_rbtree1_black(node) ((node)->color = 0)
+#define nxt_rbtree1_is_red(node) ((node)->color)
+#define nxt_rbtree1_is_black(node) (!nxt_rbtree1_is_red(node))
+#define nxt_rbtree1_copy_color(n1, n2) (n1->color = n2->color)
+
+
+/* a sentinel must be black */
+
+#define nxt_rbtree1_sentinel_init(node) nxt_rbtree1_black(node)
+
+
+nxt_inline nxt_rbtree1_node_t *
+nxt_rbtree1_min(nxt_rbtree1_node_t *node, nxt_rbtree1_node_t *sentinel)
+{
+ while (node->left != sentinel) {
+ node = node->left;
+ }
+
+ return node;
+}
diff --git a/src/test/nxt_rbtree1_test.c b/src/test/nxt_rbtree1_test.c
new file mode 100644
index 00000000..d4783ea1
--- /dev/null
+++ b/src/test/nxt_rbtree1_test.c
@@ -0,0 +1,343 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+#include "nxt_rbtree1.h"
+
+
+#define \
+nxt_rbtree1_is_empty(tree) \
+ (((tree)->root) == (tree)->sentinel)
+
+
+#define \
+nxt_rbtree1_is_there_successor(tree, node) \
+ ((node) != (tree)->sentinel)
+
+
+nxt_inline nxt_rbtree1_node_t *
+nxt_rbtree1_node_successor(nxt_rbtree1_t *tree, nxt_rbtree1_node_t *node)
+{
+ nxt_rbtree1_node_t *parent;
+
+ if (node->right != tree->sentinel) {
+ return nxt_rbtree1_min(node->right, tree->sentinel);
+ }
+
+ for ( ;; ) {
+ parent = node->parent;
+
+ if (parent == NULL) {
+ return tree->sentinel;
+ }
+
+ if (node == parent->left) {
+ return parent;
+ }
+
+ node = parent;
+ }
+}
+
+
+static void nxt_rbtree1_test_insert_value(nxt_rbtree1_node_t *temp,
+ nxt_rbtree1_node_t *node, nxt_rbtree1_node_t *sentinel);
+static nxt_int_t nxt_rbtree1_test_compare(nxt_rbtree1_node_t *node1,
+ nxt_rbtree1_node_t *node2);
+static int nxt_cdecl nxt_rbtree1_test_sort_cmp(const void *one,
+ const void *two);
+static nxt_rbtree1_node_t *nxt_rbtree1_test_find(nxt_rbtree1_t *tree,
+ nxt_rbtree1_node_t *node);
+
+
+nxt_int_t
+nxt_rbtree1_test(nxt_thread_t *thr, nxt_uint_t n)
+{
+ uint32_t key, *keys;
+ nxt_uint_t i;
+ nxt_nsec_t start, end;
+ nxt_rbtree1_t tree;
+ nxt_rbtree1_node_t *node, *nodes, sentinel;
+
+ nxt_thread_time_update(thr);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "rbtree1 test started: %ui", n);
+
+ nxt_rbtree1_init(&tree, &sentinel, nxt_rbtree1_test_insert_value);
+
+ nodes = nxt_malloc(n * sizeof(nxt_rbtree1_node_t));
+ if (nodes == NULL) {
+ return NXT_ERROR;
+ }
+
+ keys = nxt_malloc(n * sizeof(uint32_t));
+ if (keys == NULL) {
+ nxt_free(keys);
+ return NXT_ERROR;
+ }
+
+ key = 0;
+
+ for (i = 0; i < n; i++) {
+ key = nxt_murmur_hash2(&key, sizeof(uint32_t));
+
+ keys[i] = key;
+ nodes[i].key = key;
+ }
+
+ nxt_qsort(keys, n, sizeof(uint32_t), nxt_rbtree1_test_sort_cmp);
+
+ nxt_thread_time_update(thr);
+ start = nxt_thread_monotonic_time(thr);
+
+ for (i = 0; i < n; i++) {
+ nxt_rbtree1_insert(&tree, &nodes[i]);
+ }
+
+ for (i = 0; i < n; i++) {
+ if (nxt_rbtree1_test_find(&tree, &nodes[i]) != &nodes[i]) {
+ nxt_log_alert(thr->log, "rbtree1 test failed: %08XD not found",
+ nodes[i].key);
+ goto fail;
+ }
+ }
+
+ i = 0;
+ node = nxt_rbtree1_min(tree.root, tree.sentinel);
+
+ while (nxt_rbtree1_is_there_successor(&tree, node)) {
+
+ if (keys[i] != node->key) {
+ nxt_log_alert(thr->log, "rbtree1 test failed: %i: %08XD %08XD",
+ i, keys[i], node->key);
+ goto fail;
+ }
+
+ i++;
+ node = nxt_rbtree1_node_successor(&tree, node);
+ }
+
+ if (i != n) {
+ nxt_log_alert(thr->log, "rbtree1 test failed: %ui", i);
+ goto fail;
+ }
+
+ for (i = 0; i < n; i++) {
+ nxt_rbtree1_delete(&tree, &nodes[i]);
+ nxt_memset(&nodes[i], 0xA5, sizeof(nxt_rbtree1_node_t));
+ }
+
+ nxt_thread_time_update(thr);
+ end = nxt_thread_monotonic_time(thr);
+
+ if (!nxt_rbtree1_is_empty(&tree)) {
+ nxt_log_alert(thr->log, "rbtree1 test failed: tree is not empty");
+ goto fail;
+ }
+
+ nxt_free(keys);
+ nxt_free(nodes);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "rbtree1 test passed %0.3fs",
+ (end - start) / 1000000000.0);
+
+ return NXT_OK;
+
+fail:
+
+ nxt_free(keys);
+ nxt_free(nodes);
+
+ return NXT_ERROR;
+}
+
+
+static void
+nxt_rbtree1_test_insert_value(nxt_rbtree1_node_t *temp,
+ nxt_rbtree1_node_t *node, nxt_rbtree1_node_t *sentinel)
+{
+ nxt_rbtree1_node_t **p;
+
+ for ( ;; ) {
+ nxt_prefetch(temp->left);
+ nxt_prefetch(temp->right);
+
+ p = (node->key < temp->key) ? &temp->left : &temp->right;
+
+ if (*p == sentinel) {
+ break;
+ }
+
+ temp = *p;
+ }
+
+ *p = node;
+ node->parent = temp;
+ node->left = sentinel;
+ node->right = sentinel;
+ nxt_rbtree1_red(node);
+}
+
+
+/*
+ * Subtraction cannot be used in these comparison functions because the key
+ * values are spread uniform in whole 0 .. 2^32 range but are not grouped
+ * around some value as timeout values are.
+ */
+
+nxt_inline nxt_int_t
+nxt_rbtree1_test_compare(nxt_rbtree1_node_t *node1, nxt_rbtree1_node_t *node2)
+{
+ if (node1->key < node2->key) {
+ return -1;
+ }
+
+ if (node1->key == node2->key) {
+ return 0;
+ }
+
+ return 1;
+}
+
+
+static int nxt_cdecl
+nxt_rbtree1_test_sort_cmp(const void *one, const void *two)
+{
+ const uint32_t *first, *second;
+
+ first = one;
+ second = two;
+
+ if (*first < *second) {
+ return -1;
+ }
+
+ if (*first == *second) {
+ return 0;
+ }
+
+ return 1;
+}
+
+
+static nxt_rbtree1_node_t *
+nxt_rbtree1_test_find(nxt_rbtree1_t *tree, nxt_rbtree1_node_t *node)
+{
+ nxt_int_t n;
+ nxt_rbtree1_node_t *next, *sentinel;
+
+ next = tree->root;
+ sentinel = tree->sentinel;
+
+ while (next != sentinel) {
+ nxt_prefetch(next->left);
+ nxt_prefetch(next->right);
+
+ n = nxt_rbtree1_test_compare(node, next);
+
+ if (n < 0) {
+ next = next->left;
+
+ } else if (n > 0) {
+ next = next->right;
+
+ } else {
+ return next;
+ }
+ }
+
+ return NULL;
+}
+
+
+#if (NXT_TEST_RTDTSC)
+
+#define NXT_RBT_STEP (21 * nxt_pagesize / 10 / sizeof(nxt_rbtree1_node_t))
+
+static nxt_rbtree1_t mb_tree;
+static nxt_rbtree1_node_t mb_sentinel;
+static nxt_rbtree1_node_t *mb_nodes;
+
+
+nxt_int_t
+nxt_rbtree1_mb_start(nxt_thread_t *thr)
+{
+ uint32_t key;
+ uint64_t start, end;
+ nxt_uint_t i, n;
+
+ n = NXT_RBT_STEP;
+
+ mb_nodes = nxt_malloc(NXT_RBT_NODES * n * sizeof(nxt_rbtree1_node_t));
+ if (mb_nodes == NULL) {
+ return NXT_ERROR;
+ }
+
+ nxt_rbtree1_init(&mb_tree, &mb_sentinel, nxt_rbtree1_test_insert_value);
+
+ key = 0;
+
+ for (i = 0; i < NXT_RBT_NODES; i++) {
+ key = nxt_murmur_hash2(&key, sizeof(uint32_t));
+ mb_nodes[n * i].key = key;
+ }
+
+ for (i = 0; i < NXT_RBT_NODES - 2; i++) {
+ nxt_rbtree1_insert(&mb_tree, &mb_nodes[n * i]);
+ }
+
+ n *= (NXT_RBT_NODES - 2);
+
+ start = nxt_rdtsc();
+ nxt_rbtree1_insert(&mb_tree, &mb_nodes[n]);
+ end = nxt_rdtsc();
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "rbtree1 mb cached insert: %L cycles", end - start);
+
+ return NXT_OK;
+}
+
+
+void
+nxt_rbtree1_mb_insert(nxt_thread_t *thr)
+{
+ uint64_t start, end;
+ nxt_uint_t n;
+
+ n = NXT_RBT_STEP;
+ n *= (NXT_RBT_NODES - 1);
+
+ start = nxt_rdtsc();
+ nxt_rbtree1_insert(&mb_tree, &mb_nodes[n]);
+ end = nxt_rdtsc();
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "rbtree1 mb insert: %L cycles", end - start);
+}
+
+
+void
+nxt_rbtree1_mb_delete(nxt_thread_t *thr)
+{
+ uint64_t start, end;
+ nxt_uint_t n;
+
+ n = NXT_RBT_STEP;
+ n *= (NXT_RBT_NODES / 4 + 1);
+
+ start = nxt_rdtsc();
+ nxt_rbtree1_delete(&mb_tree, &mb_nodes[n]);
+ end = nxt_rdtsc();
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "rbtree1 mb delete: %L cycles", end - start);
+
+ nxt_free(mb_nodes);
+}
+
+#endif
diff --git a/src/test/nxt_rbtree_test.c b/src/test/nxt_rbtree_test.c
new file mode 100644
index 00000000..41375d92
--- /dev/null
+++ b/src/test/nxt_rbtree_test.c
@@ -0,0 +1,279 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+typedef struct {
+ NXT_RBTREE_NODE (node);
+ uint32_t key;
+} nxt_rbtree_test_t;
+
+
+static intptr_t nxt_rbtree_test_comparison(nxt_rbtree_node_t *node1,
+ nxt_rbtree_node_t *node2);
+static nxt_int_t nxt_rbtree_test_compare(uint32_t key1, uint32_t key2);
+static int nxt_cdecl nxt_rbtree_test_sort_cmp(const void *one, const void *two);
+
+
+nxt_int_t
+nxt_rbtree_test(nxt_thread_t *thr, nxt_uint_t n)
+{
+ void *mark;
+ uint32_t key, *keys;
+ nxt_uint_t i;
+ nxt_nsec_t start, end;
+ nxt_rbtree_t tree;
+ nxt_rbtree_node_t *node;
+ nxt_rbtree_test_t *items, *item;
+
+ nxt_thread_time_update(thr);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "rbtree test started: %ui", n);
+
+ nxt_rbtree_init(&tree, nxt_rbtree_test_comparison);
+
+ mark = tree.sentinel.right;
+
+ items = nxt_malloc(n * sizeof(nxt_rbtree_test_t));
+ if (items == NULL) {
+ return NXT_ERROR;
+ }
+
+ keys = nxt_malloc(n * sizeof(uint32_t));
+ if (keys == NULL) {
+ nxt_free(keys);
+ return NXT_ERROR;
+ }
+
+ key = 0;
+
+ for (i = 0; i < n; i++) {
+ key = nxt_murmur_hash2(&key, sizeof(uint32_t));
+
+ keys[i] = key;
+ items[i].key = key;
+ }
+
+ nxt_qsort(keys, n, sizeof(uint32_t), nxt_rbtree_test_sort_cmp);
+
+ nxt_thread_time_update(thr);
+ start = nxt_thread_monotonic_time(thr);
+
+ for (i = 0; i < n; i++) {
+ nxt_rbtree_insert(&tree, &items[i].node);
+ }
+
+ for (i = 0; i < n; i++) {
+ node = nxt_rbtree_find(&tree, &items[i].node);
+
+ if (node != (nxt_rbtree_node_t *) &items[i].node) {
+ nxt_log_alert(thr->log, "rbtree test failed: %08XD not found",
+ items[i].key);
+ goto fail;
+ }
+ }
+
+ i = 0;
+ node = nxt_rbtree_min(&tree);
+
+ while (nxt_rbtree_is_there_successor(&tree, node)) {
+
+ item = (nxt_rbtree_test_t *) node;
+
+ if (keys[i] != item->key) {
+ nxt_log_alert(thr->log, "rbtree test failed: %i: %08XD %08XD",
+ i, keys[i], item->key);
+ goto fail;
+ }
+
+ i++;
+ node = nxt_rbtree_node_successor(&tree, node);
+ }
+
+ if (i != n) {
+ nxt_log_alert(thr->log, "rbtree test failed: %ui", i);
+ goto fail;
+ }
+
+ for (i = 0; i < n; i++) {
+ nxt_rbtree_delete(&tree, &items[i].node);
+ nxt_memset(&items[i], 0xA5, sizeof(nxt_rbtree_test_t));
+ }
+
+ nxt_thread_time_update(thr);
+ end = nxt_thread_monotonic_time(thr);
+
+ if (!nxt_rbtree_is_empty(&tree)) {
+ nxt_log_alert(thr->log, "rbtree test failed: tree is not empty");
+ goto fail;
+ }
+
+ /* Check that the sentinel callback was not modified. */
+
+ if (mark != tree.sentinel.right) {
+ nxt_log_alert(thr->log, "rbtree sentinel test failed");
+ goto fail;
+ }
+
+ nxt_free(keys);
+ nxt_free(items);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "rbtree test passed %0.3fs",
+ (end - start) / 1000000000.0);
+
+ return NXT_OK;
+
+fail:
+
+ nxt_free(keys);
+ nxt_free(items);
+
+ return NXT_ERROR;
+}
+
+
+static intptr_t
+nxt_rbtree_test_comparison(nxt_rbtree_node_t *node1,
+ nxt_rbtree_node_t *node2)
+{
+ nxt_rbtree_test_t *item1, *item2;
+
+ item1 = (nxt_rbtree_test_t *) node1;
+ item2 = (nxt_rbtree_test_t *) node2;
+
+ return nxt_rbtree_test_compare(item1->key, item2->key);
+}
+
+
+/*
+ * Subtraction cannot be used in these comparison functions because
+ * the key values are spread uniform in whole 0 .. 2^32 range but are
+ * not grouped around some value as timeout values are.
+ */
+
+static nxt_int_t
+nxt_rbtree_test_compare(uint32_t key1, uint32_t key2)
+{
+ if (key1 < key2) {
+ return -1;
+ }
+
+ if (key1 == key2) {
+ return 0;
+ }
+
+ return 1;
+}
+
+
+static int nxt_cdecl
+nxt_rbtree_test_sort_cmp(const void *one, const void *two)
+{
+ const uint32_t *first, *second;
+
+ first = one;
+ second = two;
+
+ if (*first < *second) {
+ return -1;
+ }
+
+ if (*first == *second) {
+ return 0;
+ }
+
+ return 1;
+}
+
+
+#if (NXT_TEST_RTDTSC)
+
+#define NXT_RBT_STEP (21 * nxt_pagesize / 10 / sizeof(nxt_rbtree_test_t))
+
+static nxt_rbtree_t mb_tree;
+static nxt_rbtree_test_t *mb_nodes;
+
+
+nxt_int_t
+nxt_rbtree_mb_start(nxt_thread_t *thr)
+{
+ uint32_t key;
+ uint64_t start, end;
+ nxt_uint_t i, n;
+
+ n = NXT_RBT_STEP;
+
+ mb_nodes = nxt_malloc(NXT_RBT_NODES * n * sizeof(nxt_rbtree_test_t));
+ if (mb_nodes == NULL) {
+ return NXT_ERROR;
+ }
+
+ nxt_rbtree_init(&mb_tree, nxt_rbtree_test_comparison);
+
+ key = 0;
+
+ for (i = 0; i < NXT_RBT_NODES; i++) {
+ key = nxt_murmur_hash2(&key, sizeof(uint32_t));
+ mb_nodes[n * i].key = key;
+ }
+
+ for (i = 0; i < NXT_RBT_NODES - 2; i++) {
+ nxt_rbtree_insert(&mb_tree, &mb_nodes[n * i].node);
+ }
+
+ n *= (NXT_RBT_NODES - 2);
+
+ start = nxt_rdtsc();
+ nxt_rbtree_insert(&mb_tree, &mb_nodes[n].node);
+ end = nxt_rdtsc();
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "rbtree mb cached insert: %L cycles", end - start);
+
+ return NXT_OK;
+}
+
+
+void
+nxt_rbtree_mb_insert(nxt_thread_t *thr)
+{
+ uint64_t start, end;
+ nxt_uint_t n;
+
+ n = NXT_RBT_STEP;
+ n *= (NXT_RBT_NODES - 1);
+
+ start = nxt_rdtsc();
+ nxt_rbtree_insert(&mb_tree, &mb_nodes[n].node);
+ end = nxt_rdtsc();
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "rbtree mb insert: %L cycles", end - start);
+}
+
+
+void
+nxt_rbtree_mb_delete(nxt_thread_t *thr)
+{
+ uint64_t start, end;
+ nxt_uint_t n;
+
+ n = NXT_RBT_STEP;
+ n *= (NXT_RBT_NODES / 4 + 1);
+
+ start = nxt_rdtsc();
+ nxt_rbtree_delete(&mb_tree, &mb_nodes[n].node);
+ end = nxt_rdtsc();
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "rbtree mb delete: %L cycles", end - start);
+
+ nxt_free(mb_nodes);
+}
+
+#endif
diff --git a/src/test/nxt_sprintf_test.c b/src/test/nxt_sprintf_test.c
new file mode 100644
index 00000000..7c6e2019
--- /dev/null
+++ b/src/test/nxt_sprintf_test.c
@@ -0,0 +1,71 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+typedef struct {
+ const char *format;
+ const char *test;
+ double number;
+} nxt_sprintf_double_test_t;
+
+
+static const nxt_sprintf_double_test_t double_test[] =
+{
+ { "%3.5f", "1234.56700", 1234.567 },
+ { "%3.0f", "1234", 1234.567 },
+ { "%f", "1234.567", 1234.567 },
+ { "%f", "0.1", 0.1 },
+ { "%f", "0.000001", 0.000001 },
+ { "%f", "4503599627370495", 4503599627370495.0 },
+};
+
+
+static nxt_int_t
+nxt_sprintf_test_double(u_char *buf, u_char *end, const char *fmt,
+ const char *test, double n)
+{
+ u_char *p;
+
+ p = nxt_sprintf(buf, end, fmt, n);
+ *p = '\0';
+
+ return nxt_strcmp(buf, test);
+}
+
+
+nxt_int_t
+nxt_sprintf_test(nxt_thread_t *thr)
+{
+ nxt_int_t ret;
+ nxt_uint_t i;
+ u_char *end, buf[64];
+
+ nxt_thread_time_update(thr);
+
+ end = buf + 64;
+
+ for (i = 0; i < nxt_nitems(double_test); i++) {
+
+ ret = nxt_sprintf_test_double(buf, end, double_test[i].format,
+ double_test[i].test,
+ double_test[i].number);
+
+ if (ret == NXT_OK) {
+ continue;
+ }
+
+ nxt_log_alert(thr->log, "nxt_sprintf(\"%s\") failed: \"%s\" vs \"%s\"",
+ double_test[i].format, double_test[i].test, buf);
+
+ return NXT_ERROR;
+ }
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "nxt_sprintf() test passed");
+ return NXT_OK;
+}
diff --git a/src/test/nxt_strverscmp_test.c b/src/test/nxt_strverscmp_test.c
new file mode 100644
index 00000000..40adbfb2
--- /dev/null
+++ b/src/test/nxt_strverscmp_test.c
@@ -0,0 +1,94 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ * Copyright (C) Valentin V. Bartenev
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+typedef struct {
+ const char *v1;
+ const char res;
+ const char *v2;
+} nxt_strverscmp_test_t;
+
+
+nxt_int_t
+nxt_strverscmp_test(nxt_thread_t *thr)
+{
+ nxt_int_t ret;
+ nxt_uint_t i;
+
+ static const nxt_strverscmp_test_t tests[] = {
+ { "word", '=', "word" },
+ { "42", '=', "42" },
+ { "000", '=', "000" },
+ { "2", '>', "1" },
+ { "2", '<', "10" },
+ { "rc2", '>', "rc" },
+ { "rc2", '<', "rc3" },
+ { "1.13.8", '>', "1.1.9" },
+ { "1.9", '<', "1.13.8" },
+ { "9.9", '<', "10.0" },
+ { "1", '>', "007" },
+ { "2b01", '<', "2b013" },
+ { "011", '>', "01" },
+ { "011", '>', "01.1" },
+ { "011", '>', "01+1" },
+ { "011", '<', "01:1" },
+ { "011", '<', "01b" },
+ { "020", '>', "01b" },
+ { "a0", '>', "a01" },
+ { "b00", '<', "b01" },
+ { "c000", '<', "c01" },
+ { "000", '<', "00" },
+ { "000", '<', "00a" },
+ { "00.", '>', "000" },
+ { "a.0", '<', "a0" },
+ { "b11", '>', "b0" },
+ };
+
+ nxt_thread_time_update(thr);
+
+ for (i = 0; i < nxt_nitems(tests); i++) {
+
+ ret = nxt_strverscmp((u_char *) tests[i].v1, (u_char *) tests[i].v2);
+
+ switch (tests[i].res) {
+
+ case '<':
+ if (ret < 0) {
+ continue;
+ }
+
+ break;
+
+ case '=':
+ if (ret == 0) {
+ continue;
+ }
+
+ break;
+
+ case '>':
+ if (ret > 0) {
+ continue;
+ }
+
+ break;
+ }
+
+ nxt_log_alert(thr->log,
+ "nxt_strverscmp() test \"%s\" %c \"%s\" failed: %i",
+ tests[i].v1, tests[i].res, tests[i].v2, ret);
+
+ return NXT_ERROR;
+ }
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log,
+ "nxt_strverscmp() test passed");
+
+ return NXT_OK;
+}
diff --git a/src/test/nxt_term_parse_test.c b/src/test/nxt_term_parse_test.c
new file mode 100644
index 00000000..83ae4931
--- /dev/null
+++ b/src/test/nxt_term_parse_test.c
@@ -0,0 +1,60 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+typedef struct {
+ nxt_str_t string;
+ nxt_bool_t is_sec;
+ nxt_int_t value;
+} nxt_term_parse_test_t;
+
+
+static const nxt_term_parse_test_t terms[] = {
+ { nxt_string("1y"), 1, 365 * 24 * 60 * 60 },
+ { nxt_string("1w"), 1, 7 * 24 * 60 * 60 },
+ { nxt_string("1w"), 0, 7 * 24 * 60 * 60 * 1000 },
+ { nxt_string("1w 1d"), 0, 8 * 24 * 60 * 60 * 1000 },
+ { nxt_string("1w d"), 0, -1 },
+ { nxt_string("w"), 0, -1 },
+ { nxt_string("1d 1w"), 0, -1 },
+ { nxt_string("25d"), 0, -2 },
+ { nxt_string("300"), 1, 300 },
+ { nxt_string("300"), 0, 300000 },
+ { nxt_string("300s"), 1, 300 },
+ { nxt_string("300ms"), 0, 300 },
+ { nxt_string("1y 1M 1w1d1h1m1s"), 1,
+ (((((365 + 30 + 7 + 1) * 24 + 1) * 60) + 1) * 60) + 1 },
+};
+
+
+nxt_int_t
+nxt_term_parse_test(nxt_thread_t *thr)
+{
+ nxt_int_t val;
+ nxt_uint_t i;
+ const nxt_str_t *s;
+
+ nxt_thread_time_update(thr);
+
+ for (i = 0; i < nxt_nitems(terms); i++) {
+
+ s = &terms[i].string;
+ val = nxt_term_parse(s->start, s->length, terms[i].is_sec);
+
+ if (val != terms[i].value) {
+ nxt_log_alert(thr->log,
+ "term parse test failed: \"%V\": %i %i",
+ s, terms[i].value, val);
+ return NXT_ERROR;
+ }
+ }
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "term parse test passed");
+ return NXT_OK;
+}
diff --git a/src/test/nxt_tests.c b/src/test/nxt_tests.c
new file mode 100644
index 00000000..7cba0f69
--- /dev/null
+++ b/src/test/nxt_tests.c
@@ -0,0 +1,166 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+extern char **environ;
+
+nxt_module_init_t nxt_init_modules[1];
+nxt_uint_t nxt_init_modules_n;
+
+
+/* The function is defined here to prevent inline optimizations. */
+static nxt_bool_t
+nxt_msec_less(nxt_msec_t first, nxt_msec_t second)
+{
+ return (nxt_msec_diff(first, second) < 0);
+}
+
+
+int nxt_cdecl
+main(int argc, char **argv)
+{
+ nxt_task_t task;
+ nxt_thread_t *thr;
+
+ if (nxt_lib_start("tests", argv, &environ) != NXT_OK) {
+ return 1;
+ }
+
+ nxt_main_log.level = NXT_LOG_INFO;
+ task.log = &nxt_main_log;
+
+ thr = nxt_thread();
+ thr->task = &task;
+
+#if (NXT_TEST_RTDTSC)
+
+ if (nxt_process_argv[1] != NULL
+ && nxt_memcmp(nxt_process_argv[1], "rbm", 3) == 0)
+ {
+ if (nxt_rbtree1_mb_start(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_rbtree_mb_start(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_lvlhsh_test(thr, 500 * 1000, 0) != NXT_OK) {
+ return 1;
+ }
+
+ nxt_rbtree1_mb_insert(thr);
+ nxt_rbtree_mb_insert(thr);
+
+ if (nxt_lvlhsh_test(thr, 500 * 1000, 0) != NXT_OK) {
+ return 1;
+ }
+
+ nxt_rbtree1_mb_delete(thr);
+ nxt_rbtree_mb_delete(thr);
+
+ return 0;
+ }
+
+#endif
+
+ if (nxt_random_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_term_parse_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_msec_diff_test(thr, nxt_msec_less) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_rbtree_test(thr, 100 * 1000) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_rbtree_test(thr, 1000 * 1000) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_rbtree1_test(thr, 100 * 1000) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_rbtree1_test(thr, 1000 * 1000) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_mp_test(thr, 100, 40000, 128 - 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_mp_test(thr, 100, 1000, 4096 - 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_mp_test(thr, 1000, 100, 64 * 1024 - 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_mem_zone_test(thr, 100, 20000, 128 - 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_mem_zone_test(thr, 100, 10000, 4096 - 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_mem_zone_test(thr, 1000, 40, 64 * 1024 - 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_lvlhsh_test(thr, 2, 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_lvlhsh_test(thr, 100 * 1000, 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_lvlhsh_test(thr, 100 * 1000, 0) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_lvlhsh_test(thr, 1000 * 1000, 1) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_gmtime_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_sprintf_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_malloc_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_utf8_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_http_parse_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ if (nxt_strverscmp_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/src/test/nxt_tests.h b/src/test/nxt_tests.h
new file mode 100644
index 00000000..be4168cf
--- /dev/null
+++ b/src/test/nxt_tests.h
@@ -0,0 +1,69 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef _NXT_TESTS_H_INCLUDED_
+#define _NXT_TESTS_H_INCLUDED_
+
+
+typedef nxt_bool_t (*nxt_msec_less_t)(nxt_msec_t first, nxt_msec_t second);
+
+
+#define NXT_RBT_NODES 1500
+
+
+#if (__i386__ || __i386 || __amd64__ || __amd64)
+#if (NXT_GCC || NXT_CLANG)
+
+#define NXT_TEST_RTDTSC 1
+
+nxt_inline uint64_t
+nxt_rdtsc(void)
+{
+ uint32_t eax, edx;
+
+ __asm__ volatile ("rdtsc" : "=a" (eax), "=d" (edx));
+
+ return ((uint64_t) edx << 32) | eax;
+}
+
+#endif
+#endif
+
+
+nxt_int_t nxt_term_parse_test(nxt_thread_t *thr);
+nxt_int_t nxt_msec_diff_test(nxt_thread_t *thr, nxt_msec_less_t);
+
+nxt_int_t nxt_rbtree_test(nxt_thread_t *thr, nxt_uint_t n);
+nxt_int_t nxt_rbtree1_test(nxt_thread_t *thr, nxt_uint_t n);
+
+#if (NXT_TEST_RTDTSC)
+
+nxt_int_t nxt_rbtree_mb_start(nxt_thread_t *thr);
+void nxt_rbtree_mb_insert(nxt_thread_t *thr);
+void nxt_rbtree_mb_delete(nxt_thread_t *thr);
+
+nxt_int_t nxt_rbtree1_mb_start(nxt_thread_t *thr);
+void nxt_rbtree1_mb_insert(nxt_thread_t *thr);
+void nxt_rbtree1_mb_delete(nxt_thread_t *thr);
+
+#endif
+
+nxt_int_t nxt_mp_test(nxt_thread_t *thr, nxt_uint_t runs, nxt_uint_t nblocks,
+ size_t max_size);
+nxt_int_t nxt_mem_zone_test(nxt_thread_t *thr, nxt_uint_t runs,
+ nxt_uint_t nblocks, size_t max_size);
+nxt_int_t nxt_lvlhsh_test(nxt_thread_t *thr, nxt_uint_t n,
+ nxt_bool_t use_pool);
+
+nxt_int_t nxt_gmtime_test(nxt_thread_t *thr);
+nxt_int_t nxt_sprintf_test(nxt_thread_t *thr);
+nxt_int_t nxt_malloc_test(nxt_thread_t *thr);
+nxt_int_t nxt_utf8_test(nxt_thread_t *thr);
+nxt_int_t nxt_http_parse_test(nxt_thread_t *thr);
+nxt_int_t nxt_strverscmp_test(nxt_thread_t *thr);
+
+
+#endif /* _NXT_TESTS_H_INCLUDED_ */
diff --git a/src/test/nxt_utf8_file_name_test.c b/src/test/nxt_utf8_file_name_test.c
new file mode 100644
index 00000000..6861205e
--- /dev/null
+++ b/src/test/nxt_utf8_file_name_test.c
@@ -0,0 +1,148 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+
+
+extern char **environ;
+
+static nxt_int_t nxt_utf8_file_name_test(nxt_thread_t *thr);
+
+
+nxt_module_init_t nxt_init_modules[1];
+nxt_uint_t nxt_init_modules_n;
+
+
+int nxt_cdecl
+main(int argc, char **argv)
+{
+ nxt_thread_t *thr;
+
+ if (nxt_lib_start("utf8_file_name_test", argv, &environ) != NXT_OK) {
+ return 1;
+ }
+
+ nxt_main_log.level = NXT_LOG_INFO;
+
+ thr = nxt_thread();
+
+ if (nxt_utf8_file_name_test(thr) != NXT_OK) {
+ return 1;
+ }
+
+ return 0;
+}
+
+
+static nxt_int_t
+nxt_utf8_file_name_test(nxt_thread_t *thr)
+{
+ u_char *p, test[4], buf[32];
+ ssize_t n;
+ uint32_t uc, lc;
+ nxt_int_t ret;
+ nxt_task_t task;
+ nxt_file_t uc_file, lc_file;
+ const u_char *pp;
+ nxt_file_name_t uc_name[10], lc_name[10];
+ static const u_char utf8[4] = "UTF8";
+
+ nxt_thread_time_update(thr);
+
+ uc_name[0] = 'u';
+ uc_name[1] = 't';
+ uc_name[2] = 'f';
+ uc_name[3] = '8';
+ uc_name[4] = '_';
+
+ lc_name[0] = 'u';
+ lc_name[1] = 't';
+ lc_name[2] = 'f';
+ lc_name[3] = '8';
+ lc_name[4] = '_';
+
+ nxt_memzero(&uc_file, sizeof(nxt_file_t));
+
+ uc_file.name = uc_name;
+ uc_file.log_level = NXT_LOG_ALERT;
+
+ nxt_memzero(&lc_file, sizeof(nxt_file_t));
+
+ lc_file.name = lc_name;
+
+ task.thread = thr;
+ task.log = thr->log;
+
+ for (uc = 0x41; uc < 0x110000; uc++) {
+
+ p = nxt_utf8_encode(&uc_name[5], uc);
+
+ if (p == NULL) {
+ nxt_log_alert(thr->log, "nxt_utf8_encode(%05uxD) failed", uc);
+ return NXT_ERROR;
+ }
+
+ *p = '\0';
+
+ pp = &uc_name[5];
+ lc = nxt_utf8_lowcase(&pp, p);
+
+ if (lc == 0xffffffff) {
+ nxt_log_alert(thr->log, "nxt_utf8_lowcase(%05uxD) failed: %05uxD",
+ uc, lc);
+ return NXT_ERROR;
+ }
+
+ if (uc == lc) {
+ continue;
+ }
+
+ p = nxt_utf8_encode(&lc_name[5], lc);
+
+ if (p == NULL) {
+ nxt_log_alert(thr->log, "nxt_utf8_encode(%05uxD) failed", lc);
+ return NXT_ERROR;
+ }
+
+ *p = '\0';
+
+ ret = nxt_file_open(&task, &uc_file, NXT_FILE_WRONLY, NXT_FILE_TRUNCATE,
+ NXT_FILE_DEFAULT_ACCESS);
+ if (ret != NXT_OK) {
+ return NXT_ERROR;
+ }
+
+ if (nxt_file_write(&uc_file, utf8, 4, 0) != 4) {
+ return NXT_ERROR;
+ }
+
+ nxt_file_close(&task, &uc_file);
+
+ ret = nxt_file_open(&task, &lc_file, NXT_FILE_RDONLY, NXT_FILE_OPEN,
+ NXT_FILE_DEFAULT_ACCESS);
+
+ if (ret == NXT_OK) {
+ n = nxt_file_read(&lc_file, test, 4, 0);
+
+ nxt_file_close(&task, &lc_file);
+
+ if (n != 4 || nxt_memcmp(utf8, test, 4) != 0) {
+ nxt_log_alert(thr->log, "nxt_file_read() mismatch");
+
+ nxt_file_delete(lc_file.name);
+ }
+
+ p = nxt_sprintf(buf, buf + 32, "%04uXD; C; %04uXD;%n", uc, lc);
+
+ nxt_fd_write(nxt_stdout, buf, p - buf);
+ }
+
+ nxt_file_delete(uc_file.name);
+ }
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "utf8 file name test passed");
+ return NXT_OK;
+}
diff --git a/src/test/nxt_utf8_test.c b/src/test/nxt_utf8_test.c
new file mode 100644
index 00000000..c7323876
--- /dev/null
+++ b/src/test/nxt_utf8_test.c
@@ -0,0 +1,191 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include "nxt_tests.h"
+
+
+#define NXT_UTF8_START_TEST 0xc2
+//#define NXT_UTF8_START_TEST 0
+
+
+static u_char invalid[] = {
+
+ /* Invalid first byte less than 0xc2. */
+ 1, 0x80, 0x00, 0x00, 0x00,
+ 1, 0xc0, 0x00, 0x00, 0x00,
+ 2, 0xc0, 0x00, 0x00, 0x00,
+ 3, 0xc0, 0x00, 0x00, 0x00,
+ 4, 0xc0, 0x00, 0x00, 0x00,
+
+ /* Invalid 0x0x110000 value. */
+ 4, 0xf4, 0x90, 0x80, 0x80,
+
+ /* Incomplete length. */
+ 2, 0xe0, 0xaf, 0xb5, 0x00,
+
+ /* Overlong values. */
+ 2, 0xc0, 0x80, 0x00, 0x00,
+ 2, 0xc1, 0xb3, 0x00, 0x00,
+ 3, 0xe0, 0x80, 0x80, 0x00,
+ 3, 0xe0, 0x81, 0xb3, 0x00,
+ 3, 0xe0, 0x90, 0x9a, 0x00,
+ 4, 0xf0, 0x80, 0x8a, 0x80,
+ 4, 0xf0, 0x80, 0x81, 0xb3,
+ 4, 0xf0, 0x80, 0xaf, 0xb5,
+};
+
+
+static nxt_int_t
+nxt_utf8_overlong(nxt_thread_t *thr, u_char *overlong, size_t len)
+{
+ u_char *p, utf8[4];
+ size_t size;
+ uint32_t u, d;
+ nxt_uint_t i;
+ const u_char *pp;
+
+ pp = overlong;
+
+ d = nxt_utf8_decode(&pp, overlong + len);
+
+ len = pp - overlong;
+
+ if (d != 0xffffffff) {
+ p = nxt_utf8_encode(utf8, d);
+
+ size = (p != NULL) ? p - utf8 : 0;
+
+ if (len != size || nxt_memcmp(overlong, utf8, size) != 0) {
+
+ u = 0;
+ for (i = 0; i < len; i++) {
+ u = (u << 8) + overlong[i];
+ }
+
+ nxt_log_alert(thr->log,
+ "nxt_utf8_decode(%05uxD, %uz) failed: %05uxD, %uz",
+ u, len, d, size);
+
+ return NXT_ERROR;
+ }
+ }
+
+ return NXT_OK;
+}
+
+
+nxt_int_t
+nxt_utf8_test(nxt_thread_t *thr)
+{
+ u_char *p, utf8[4];
+ size_t len;
+ int32_t n;
+ uint32_t u, d;
+ nxt_uint_t i, k, l, m;
+ const u_char *pp;
+
+ nxt_thread_time_update(thr);
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "utf8 test started");
+
+ /* Test valid UTF-8. */
+
+ for (u = 0; u < 0x110000; u++) {
+
+ p = nxt_utf8_encode(utf8, u);
+
+ if (p == NULL) {
+ nxt_log_alert(thr->log, "nxt_utf8_encode(%05uxD) failed", u);
+ return NXT_ERROR;
+ }
+
+ pp = utf8;
+
+ d = nxt_utf8_decode(&pp, p);
+
+ if (u != d) {
+ nxt_log_alert(thr->log, "nxt_utf8_decode(%05uxD) failed: %05uxD",
+ u, d);
+ return NXT_ERROR;
+ }
+ }
+
+ /* Test some invalid UTF-8. */
+
+ for (i = 0; i < sizeof(invalid); i += 5) {
+
+ len = invalid[i];
+ utf8[0] = invalid[i + 1];
+ utf8[1] = invalid[i + 2];
+ utf8[2] = invalid[i + 3];
+ utf8[3] = invalid[i + 4];
+
+ pp = utf8;
+
+ d = nxt_utf8_decode(&pp, utf8 + len);
+
+ if (d != 0xffffffff) {
+
+ u = 0;
+ for (i = 0; i < len; i++) {
+ u = (u << 8) + utf8[i];
+ }
+
+ nxt_log_alert(thr->log,
+ "nxt_utf8_decode(%05uxD, %uz) failed: %05uxD",
+ u, len, d);
+ return NXT_ERROR;
+ }
+ }
+
+ /* Test all overlong UTF-8. */
+
+ for (i = NXT_UTF8_START_TEST; i < 256; i++) {
+ utf8[0] = i;
+
+ if (nxt_utf8_overlong(thr, utf8, 1) != NXT_OK) {
+ return NXT_ERROR;
+ }
+
+ for (k = 0; k < 256; k++) {
+ utf8[1] = k;
+
+ if (nxt_utf8_overlong(thr, utf8, 2) != NXT_OK) {
+ return NXT_ERROR;
+ }
+
+ for (l = 0; l < 256; l++) {
+ utf8[2] = l;
+
+ if (nxt_utf8_overlong(thr, utf8, 3) != NXT_OK) {
+ return NXT_ERROR;
+ }
+
+ for (m = 0; m < 256; m++) {
+ utf8[3] = m;
+
+ if (nxt_utf8_overlong(thr, utf8, 4) != NXT_OK) {
+ return NXT_ERROR;
+ }
+ }
+ }
+ }
+ }
+
+ n = nxt_utf8_casecmp((u_char *) "ABC АБВ ΑΒΓ",
+ (u_char *) "abc абв αβγ",
+ sizeof("ABC АБВ ΑΒΓ") - 1,
+ sizeof("abc абв αβγ") - 1);
+
+ if (n != 0) {
+ nxt_log_alert(thr->log, "nxt_utf8_casecmp() failed");
+ return NXT_ERROR;
+ }
+
+ nxt_log_error(NXT_LOG_NOTICE, thr->log, "utf8 test passed");
+ return NXT_OK;
+}