The Tor Browser: ipc/chromium/src/third_party/libevent/test/regress

ipc/chromium/src/third_party/libevent/test/regress_util.c@6474c204b198 (annotated)

ipc/chromium/src/third_party/libevent/test/regress_util.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * Copyright (c) 2009-2012 Nick Mathewson and Niels Provos
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifdef WIN32
 #include <winsock2.h>
 #include <windows.h>
 #include <ws2tcpip.h>
 #endif
 #include "event2/event-config.h"
 #include <sys/types.h>
 #ifndef WIN32
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <unistd.h>
 #endif
 #ifdef _EVENT_HAVE_NETINET_IN6_H
 #include <netinet/in6.h>
 #endif
 #ifdef _EVENT_HAVE_SYS_WAIT_H
 #include <sys/wait.h>
 #endif
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include "event2/event.h"
 #include "event2/util.h"
 #include "../ipv6-internal.h"
 #include "../util-internal.h"
 #include "../log-internal.h"
 #include "../strlcpy-internal.h"
 #include "regress.h"
 enum entry_status { NORMAL, CANONICAL, BAD };
 /* This is a big table of results we expect from generating and parsing */
 static struct ipv4_entry {
 	const char *addr;
 	ev_uint32_t res;
 	enum entry_status status;
 } ipv4_entries[] = {
 	{ "1.2.3.4", 0x01020304u, CANONICAL },
 	{ "255.255.255.255", 0xffffffffu, CANONICAL },
 	{ "256.0.0.0", 0, BAD },
 	{ "ABC", 0, BAD },
 	{ "1.2.3.4.5", 0, BAD },
 	{ "176.192.208.244", 0xb0c0d0f4, CANONICAL },
 	{ NULL, 0, BAD },
 };
 static struct ipv6_entry {
 	const char *addr;
 	ev_uint32_t res[4];
 	enum entry_status status;
 } ipv6_entries[] = {
 	{ "::", { 0, 0, 0, 0, }, CANONICAL },
 	{ "0:0:0:0:0:0:0:0", { 0, 0, 0, 0, }, NORMAL },
 	{ "::1", { 0, 0, 0, 1, }, CANONICAL },
 	{ "::1.2.3.4", { 0, 0, 0, 0x01020304, }, CANONICAL },
 	{ "ffff:1::", { 0xffff0001u, 0, 0, 0, }, CANONICAL },
 	{ "ffff:0000::", { 0xffff0000u, 0, 0, 0, }, NORMAL },
 	{ "ffff::1234", { 0xffff0000u, 0, 0, 0x1234, }, CANONICAL },
 	{ "0102::1.2.3.4", {0x01020000u, 0, 0, 0x01020304u }, NORMAL },
 	{ "::9:c0a8:1:1", { 0, 0, 0x0009c0a8u, 0x00010001u }, CANONICAL },
 	{ "::ffff:1.2.3.4", { 0, 0, 0x000ffffu, 0x01020304u }, CANONICAL },
 	{ "FFFF::", { 0xffff0000u, 0, 0, 0 }, NORMAL },
 	{ "foobar.", { 0, 0, 0, 0 }, BAD },
 	{ "foobar", { 0, 0, 0, 0 }, BAD },
 	{ "fo:obar", { 0, 0, 0, 0 }, BAD },
 	{ "ffff", { 0, 0, 0, 0 }, BAD },
 	{ "fffff::", { 0, 0, 0, 0 }, BAD },
 	{ "fffff::", { 0, 0, 0, 0 }, BAD },
 	{ "::1.0.1.1000", { 0, 0, 0, 0 }, BAD },
 	{ "1:2:33333:4::", { 0, 0, 0, 0 }, BAD },
 	{ "1:2:3:4:5:6:7:8:9", { 0, 0, 0, 0 }, BAD },
 	{ "1::2::3", { 0, 0, 0, 0 }, BAD },
 	{ ":::1", { 0, 0, 0, 0 }, BAD },
 	{ NULL, { 0, 0, 0, 0,  }, BAD },
 };
 static void
 regress_ipv4_parse(void *ptr)
 {
 	int i;
 	for (i = 0; ipv4_entries[i].addr; ++i) {
 		char written[128];
 		struct ipv4_entry *ent = &ipv4_entries[i];
 		struct in_addr in;
 		int r;
 		r = evutil_inet_pton(AF_INET, ent->addr, &in);
 		if (r == 0) {
 			if (ent->status != BAD) {
 				TT_FAIL(("%s did not parse, but it's a good address!",
 					ent->addr));
 			}
 			continue;
 		}
 		if (ent->status == BAD) {
 			TT_FAIL(("%s parsed, but we expected an error", ent->addr));
 			continue;
 		}
 		if (ntohl(in.s_addr) != ent->res) {
 			TT_FAIL(("%s parsed to %lx, but we expected %lx", ent->addr,
 				(unsigned long)ntohl(in.s_addr),
 				(unsigned long)ent->res));
 			continue;
 		}
 		if (ent->status == CANONICAL) {
 			const char *w = evutil_inet_ntop(AF_INET, &in, written,
 											 sizeof(written));
 			if (!w) {
 				TT_FAIL(("Tried to write out %s; got NULL.", ent->addr));
 				continue;
 			}
 			if (strcmp(written, ent->addr)) {
 				TT_FAIL(("Tried to write out %s; got %s",
 					ent->addr, written));
 				continue;
 			}
 		}
 	}
 }
 static void
 regress_ipv6_parse(void *ptr)
 {
 #ifdef AF_INET6
 	int i, j;
 	for (i = 0; ipv6_entries[i].addr; ++i) {
 		char written[128];
 		struct ipv6_entry *ent = &ipv6_entries[i];
 		struct in6_addr in6;
 		int r;
 		r = evutil_inet_pton(AF_INET6, ent->addr, &in6);
 		if (r == 0) {
 			if (ent->status != BAD)
 				TT_FAIL(("%s did not parse, but it's a good address!",
 					ent->addr));
 			continue;
 		}
 		if (ent->status == BAD) {
 			TT_FAIL(("%s parsed, but we expected an error", ent->addr));
 			continue;
 		}
 		for (j = 0; j < 4; ++j) {
 			/* Can't use s6_addr32 here; some don't have it. */
 			ev_uint32_t u =
 				(in6.s6_addr[j*4  ] << 24) |
 				(in6.s6_addr[j*4+1] << 16) |
 				(in6.s6_addr[j*4+2] << 8) |
 				(in6.s6_addr[j*4+3]);
 			if (u != ent->res[j]) {
 				TT_FAIL(("%s did not parse as expected.", ent->addr));
 				continue;
 			}
 		}
 		if (ent->status == CANONICAL) {
 			const char *w = evutil_inet_ntop(AF_INET6, &in6, written,
 											 sizeof(written));
 			if (!w) {
 				TT_FAIL(("Tried to write out %s; got NULL.", ent->addr));
 				continue;
 			}
 			if (strcmp(written, ent->addr)) {
 				TT_FAIL(("Tried to write out %s; got %s", ent->addr, written));
 				continue;
 			}
 		}
 	}
 #else
 	TT_BLATHER(("Skipping IPv6 address parsing."));
 #endif
 }
 static struct sa_port_ent {
 	const char *parse;
 	int safamily;
 	const char *addr;
 	int port;
 } sa_port_ents[] = {
 	{ "[ffff::1]:1000", AF_INET6, "ffff::1", 1000 },
 	{ "[ffff::1]", AF_INET6, "ffff::1", 0 },
 	{ "[ffff::1", 0, NULL, 0 },
 	{ "[ffff::1]:65599", 0, NULL, 0 },
 	{ "[ffff::1]:0", 0, NULL, 0 },
 	{ "[ffff::1]:-1", 0, NULL, 0 },
 	{ "::1", AF_INET6, "::1", 0 },
 	{ "1:2::1", AF_INET6, "1:2::1", 0 },
 	{ "192.168.0.1:50", AF_INET, "192.168.0.1", 50 },
 	{ "1.2.3.4", AF_INET, "1.2.3.4", 0 },
 	{ NULL, 0, NULL, 0 },
 };
 static void
 regress_sockaddr_port_parse(void *ptr)
 {
 	struct sockaddr_storage ss;
 	int i, r;
 	for (i = 0; sa_port_ents[i].parse; ++i) {
 		struct sa_port_ent *ent = &sa_port_ents[i];
 		int len = sizeof(ss);
 		memset(&ss, 0, sizeof(ss));
 		r = evutil_parse_sockaddr_port(ent->parse, (struct sockaddr*)&ss, &len);
 		if (r < 0) {
 			if (ent->safamily)
 				TT_FAIL(("Couldn't parse %s!", ent->parse));
 			continue;
 		} else if (! ent->safamily) {
 			TT_FAIL(("Shouldn't have been able to parse %s!", ent->parse));
 			continue;
 		}
 		if (ent->safamily == AF_INET) {
 			struct sockaddr_in sin;
 			memset(&sin, 0, sizeof(sin));
 #ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
 			sin.sin_len = sizeof(sin);
 #endif
 			sin.sin_family = AF_INET;
 			sin.sin_port = htons(ent->port);
 			r = evutil_inet_pton(AF_INET, ent->addr, &sin.sin_addr);
 			if (1 != r) {
 				TT_FAIL(("Couldn't parse ipv4 target %s.", ent->addr));
 			} else if (memcmp(&sin, &ss, sizeof(sin))) {
 				TT_FAIL(("Parse for %s was not as expected.", ent->parse));
 			} else if (len != sizeof(sin)) {
 				TT_FAIL(("Length for %s not as expected.",ent->parse));
 			}
 		} else {
 			struct sockaddr_in6 sin6;
 			memset(&sin6, 0, sizeof(sin6));
 #ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
 			sin6.sin6_len = sizeof(sin6);
 #endif
 			sin6.sin6_family = AF_INET6;
 			sin6.sin6_port = htons(ent->port);
 			r = evutil_inet_pton(AF_INET6, ent->addr, &sin6.sin6_addr);
 			if (1 != r) {
 				TT_FAIL(("Couldn't parse ipv6 target %s.", ent->addr));
 			} else if (memcmp(&sin6, &ss, sizeof(sin6))) {
 				TT_FAIL(("Parse for %s was not as expected.", ent->parse));
 			} else if (len != sizeof(sin6)) {
 				TT_FAIL(("Length for %s not as expected.",ent->parse));
 			}
 		}
 	}
 }
 static void
 regress_sockaddr_port_format(void *ptr)
 {
 	struct sockaddr_storage ss;
 	int len;
 	const char *cp;
 	char cbuf[128];
 	int r;
 	len = sizeof(ss);
 	r = evutil_parse_sockaddr_port("192.168.1.1:80",
 	    (struct sockaddr*)&ss, &len);
 	tt_int_op(r,==,0);
 	cp = evutil_format_sockaddr_port(
 		(struct sockaddr*)&ss, cbuf, sizeof(cbuf));
 	tt_ptr_op(cp,==,cbuf);
 	tt_str_op(cp,==,"192.168.1.1:80");
 	len = sizeof(ss);
 	r = evutil_parse_sockaddr_port("[ff00::8010]:999",
 	    (struct sockaddr*)&ss, &len);
 	tt_int_op(r,==,0);
 	cp = evutil_format_sockaddr_port(
 		(struct sockaddr*)&ss, cbuf, sizeof(cbuf));
 	tt_ptr_op(cp,==,cbuf);
 	tt_str_op(cp,==,"[ff00::8010]:999");
 	ss.ss_family=99;
 	cp = evutil_format_sockaddr_port(
 		(struct sockaddr*)&ss, cbuf, sizeof(cbuf));
 	tt_ptr_op(cp,==,cbuf);
 	tt_str_op(cp,==,"<addr with socktype 99>");
 end:
 	;
 }
 static struct sa_pred_ent {
 	const char *parse;
 	int is_loopback;
 } sa_pred_entries[] = {
 	{ "127.0.0.1",	 1 },
 	{ "127.0.3.2",	 1 },
 	{ "128.1.2.3",	 0 },
 	{ "18.0.0.1",	 0 },
 	{ "129.168.1.1", 0 },
 	{ "::1",	 1 },
 	{ "::0",	 0 },
 	{ "f::1",	 0 },
 	{ "::501",	 0 },
 	{ NULL,		 0 },
 };
 static void
 test_evutil_sockaddr_predicates(void *ptr)
 {
 	struct sockaddr_storage ss;
 	int r, i;
 	for (i=0; sa_pred_entries[i].parse; ++i) {
 		struct sa_pred_ent *ent = &sa_pred_entries[i];
 		int len = sizeof(ss);
 		r = evutil_parse_sockaddr_port(ent->parse, (struct sockaddr*)&ss, &len);
 		if (r<0) {
 			TT_FAIL(("Couldn't parse %s!", ent->parse));
 			continue;
 		}
 		/* sockaddr_is_loopback */
 		if (ent->is_loopback != evutil_sockaddr_is_loopback((struct sockaddr*)&ss)) {
 			TT_FAIL(("evutil_sockaddr_loopback(%s) not as expected",
 				ent->parse));
 		}
 	}
 }
 static void
 test_evutil_strtoll(void *ptr)
 {
 	const char *s;
 	char *endptr;
 	tt_want(evutil_strtoll("5000000000", NULL, 10) ==
 		((ev_int64_t)5000000)*1000);
 	tt_want(evutil_strtoll("-5000000000", NULL, 10) ==
 		((ev_int64_t)5000000)*-1000);
 	s = " 99999stuff";
 	tt_want(evutil_strtoll(s, &endptr, 10) == (ev_int64_t)99999);
 	tt_want(endptr == s+6);
 	tt_want(evutil_strtoll("foo", NULL, 10) == 0);
  }
 static void
 test_evutil_snprintf(void *ptr)
 {
 	char buf[16];
 	int r;
 	ev_uint64_t u64 = ((ev_uint64_t)1000000000)*200;
 	ev_int64_t i64 = -1 * (ev_int64_t) u64;
 	size_t size = 8000;
 	ev_ssize_t ssize = -9000;
 	r = evutil_snprintf(buf, sizeof(buf), "%d %d", 50, 100);
 	tt_str_op(buf, ==, "50 100");
 	tt_int_op(r, ==, 6);
 	r = evutil_snprintf(buf, sizeof(buf), "longish %d", 1234567890);
 	tt_str_op(buf, ==, "longish 1234567");
 	tt_int_op(r, ==, 18);
 	r = evutil_snprintf(buf, sizeof(buf), EV_U64_FMT, EV_U64_ARG(u64));
 	tt_str_op(buf, ==, "200000000000");
 	tt_int_op(r, ==, 12);
 	r = evutil_snprintf(buf, sizeof(buf), EV_I64_FMT, EV_I64_ARG(i64));
 	tt_str_op(buf, ==, "-200000000000");
 	tt_int_op(r, ==, 13);
 	r = evutil_snprintf(buf, sizeof(buf), EV_SIZE_FMT" "EV_SSIZE_FMT,
 	    EV_SIZE_ARG(size), EV_SSIZE_ARG(ssize));
 	tt_str_op(buf, ==, "8000 -9000");
 	tt_int_op(r, ==, 10);
       end:
 	;
 }
 static void
 test_evutil_casecmp(void *ptr)
 {
 	tt_int_op(evutil_ascii_strcasecmp("ABC", "ABC"), ==, 0);
 	tt_int_op(evutil_ascii_strcasecmp("ABC", "abc"), ==, 0);
 	tt_int_op(evutil_ascii_strcasecmp("ABC", "abcd"), <, 0);
 	tt_int_op(evutil_ascii_strcasecmp("ABC", "abb"), >, 0);
 	tt_int_op(evutil_ascii_strcasecmp("ABCd", "abc"), >, 0);
 	tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEvEnT", 100), ==, 0);
 	tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEvEnT", 4), ==, 0);
 	tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibEXXXX", 4), ==, 0);
 	tt_int_op(evutil_ascii_strncasecmp("Libevent", "LibE", 4), ==, 0);
 	tt_int_op(evutil_ascii_strncasecmp("Libe", "LibEvEnT", 4), ==, 0);
 	tt_int_op(evutil_ascii_strncasecmp("Lib", "LibEvEnT", 4), <, 0);
 	tt_int_op(evutil_ascii_strncasecmp("abc", "def", 99), <, 0);
 	tt_int_op(evutil_ascii_strncasecmp("Z", "qrst", 1), >, 0);
 end:
 	;
 }
 static int logsev = 0;
 static char *logmsg = NULL;
 static void
 logfn(int severity, const char *msg)
 {
 	logsev = severity;
 	tt_want(msg);
 	if (msg) {
 		if (logmsg)
 			free(logmsg);
 		logmsg = strdup(msg);
 	}
 }
 static int fatal_want_severity = 0;
 static const char *fatal_want_message = NULL;
 static void
 fatalfn(int exitcode)
 {
 	if (logsev != fatal_want_severity ||
 	    !logmsg ||
 	    strcmp(logmsg, fatal_want_message))
 		exit(0);
 	else
 		exit(exitcode);
 }
 #ifndef WIN32
 #define CAN_CHECK_ERR
 static void
 check_error_logging(void (*fn)(void), int wantexitcode,
     int wantseverity, const char *wantmsg)
 {
 	pid_t pid;
 	int status = 0, exitcode;
 	fatal_want_severity = wantseverity;
 	fatal_want_message = wantmsg;
 	if ((pid = regress_fork()) == 0) {
 		/* child process */
 		fn();
 		exit(0); /* should be unreachable. */
 	} else {
 		wait(&status);
 		exitcode = WEXITSTATUS(status);
 		tt_int_op(wantexitcode, ==, exitcode);
 	}
 end:
 	;
 }
 static void
 errx_fn(void)
 {
 	event_errx(2, "Fatal error; too many kumquats (%d)", 5);
 }
 static void
 err_fn(void)
 {
 	errno = ENOENT;
 	event_err(5,"Couldn't open %s", "/very/bad/file");
 }
 static void
 sock_err_fn(void)
 {
 	evutil_socket_t fd = socket(AF_INET, SOCK_STREAM, 0);
 #ifdef WIN32
 	EVUTIL_SET_SOCKET_ERROR(WSAEWOULDBLOCK);
 #else
 	errno = EAGAIN;
 #endif
 	event_sock_err(20, fd, "Unhappy socket");
 }
 #endif
 static void
 test_evutil_log(void *ptr)
 {
 	evutil_socket_t fd = -1;
 	char buf[128];
 	event_set_log_callback(logfn);
 	event_set_fatal_callback(fatalfn);
 #define RESET() do {				\
 		logsev = 0;	\
 		if (logmsg) free(logmsg);	\
 		logmsg = NULL;			\
 	} while (0)
 #define LOGEQ(sev,msg) do {			\
 		tt_int_op(logsev,==,sev);	\
 		tt_assert(logmsg != NULL);	\
 		tt_str_op(logmsg,==,msg);	\
 	} while (0)
 #ifdef CAN_CHECK_ERR
 	/* We need to disable these tests for now.  Previously, the logging
 	 * module didn't enforce the requirement that a fatal callback
 	 * actually exit.  Now, it exits no matter what, so if we wan to
 	 * reinstate these tests, we'll need to fork for each one. */
 	check_error_logging(errx_fn, 2, _EVENT_LOG_ERR,
 	    "Fatal error; too many kumquats (5)");
 	RESET();
 #endif
 	event_warnx("Far too many %s (%d)", "wombats", 99);
 	LOGEQ(_EVENT_LOG_WARN, "Far too many wombats (99)");
 	RESET();
 	event_msgx("Connecting lime to coconut");
 	LOGEQ(_EVENT_LOG_MSG, "Connecting lime to coconut");
 	RESET();
 	event_debug(("A millisecond passed! We should log that!"));
 #ifdef USE_DEBUG
 	LOGEQ(_EVENT_LOG_DEBUG, "A millisecond passed! We should log that!");
 #else
 	tt_int_op(logsev,==,0);
 	tt_ptr_op(logmsg,==,NULL);
 #endif
 	RESET();
 	/* Try with an errno. */
 	errno = ENOENT;
 	event_warn("Couldn't open %s", "/bad/file");
 	evutil_snprintf(buf, sizeof(buf),
 	    "Couldn't open /bad/file: %s",strerror(ENOENT));
 	LOGEQ(_EVENT_LOG_WARN,buf);
 	RESET();
 #ifdef CAN_CHECK_ERR
 	evutil_snprintf(buf, sizeof(buf),
 	    "Couldn't open /very/bad/file: %s",strerror(ENOENT));
 	check_error_logging(err_fn, 5, _EVENT_LOG_ERR, buf);
 	RESET();
 #endif
 	/* Try with a socket errno. */
 	fd = socket(AF_INET, SOCK_STREAM, 0);
 #ifdef WIN32
 	evutil_snprintf(buf, sizeof(buf),
 	    "Unhappy socket: %s",
 	    evutil_socket_error_to_string(WSAEWOULDBLOCK));
 	EVUTIL_SET_SOCKET_ERROR(WSAEWOULDBLOCK);
 #else
 	evutil_snprintf(buf, sizeof(buf),
 	    "Unhappy socket: %s", strerror(EAGAIN));
 	errno = EAGAIN;
 #endif
 	event_sock_warn(fd, "Unhappy socket");
 	LOGEQ(_EVENT_LOG_WARN, buf);
 	RESET();
 #ifdef CAN_CHECK_ERR
 	check_error_logging(sock_err_fn, 20, _EVENT_LOG_ERR, buf);
 	RESET();
 #endif
 #undef RESET
 #undef LOGEQ
 end:
 	if (logmsg)
 		free(logmsg);
 	if (fd >= 0)
 		evutil_closesocket(fd);
 }
 static void
 test_evutil_strlcpy(void *arg)
 {
 	char buf[8];
 	/* Successful case. */
 	tt_int_op(5, ==, strlcpy(buf, "Hello", sizeof(buf)));
 	tt_str_op(buf, ==, "Hello");
 	/* Overflow by a lot. */
 	tt_int_op(13, ==, strlcpy(buf, "pentasyllabic", sizeof(buf)));
 	tt_str_op(buf, ==, "pentasy");
 	/* Overflow by exactly one. */
 	tt_int_op(8, ==, strlcpy(buf, "overlong", sizeof(buf)));
 	tt_str_op(buf, ==, "overlon");
 end:
 	;
 }
 struct example_struct {
 	const char *a;
 	const char *b;
 	long c;
 };
 static void
 test_evutil_upcast(void *arg)
 {
 	struct example_struct es1;
 	const char **cp;
 	es1.a = "World";
 	es1.b = "Hello";
 	es1.c = -99;
 	tt_int_op(evutil_offsetof(struct example_struct, b), ==, sizeof(char*));
 	cp = &es1.b;
 	tt_ptr_op(EVUTIL_UPCAST(cp, struct example_struct, b), ==, &es1);
 end:
 	;
 }
 static void
 test_evutil_integers(void *arg)
 {
 	ev_int64_t i64;
 	ev_uint64_t u64;
 	ev_int32_t i32;
 	ev_uint32_t u32;
 	ev_int16_t i16;
 	ev_uint16_t u16;
 	ev_int8_t  i8;
 	ev_uint8_t  u8;
 	void *ptr;
 	ev_intptr_t iptr;
 	ev_uintptr_t uptr;
 	ev_ssize_t ssize;
 	tt_int_op(sizeof(u64), ==, 8);
 	tt_int_op(sizeof(i64), ==, 8);
 	tt_int_op(sizeof(u32), ==, 4);
 	tt_int_op(sizeof(i32), ==, 4);
 	tt_int_op(sizeof(u16), ==, 2);
 	tt_int_op(sizeof(i16), ==, 2);
 	tt_int_op(sizeof(u8), ==,  1);
 	tt_int_op(sizeof(i8), ==,  1);
 	tt_int_op(sizeof(ev_ssize_t), ==, sizeof(size_t));
 	tt_int_op(sizeof(ev_intptr_t), >=, sizeof(void *));
 	tt_int_op(sizeof(ev_uintptr_t), ==, sizeof(intptr_t));
 	u64 = 1000000000;
 	u64 *= 1000000000;
 	tt_assert(u64 / 1000000000 == 1000000000);
 	i64 = -1000000000;
 	i64 *= 1000000000;
 	tt_assert(i64 / 1000000000 == -1000000000);
 	u64 = EV_UINT64_MAX;
 	i64 = EV_INT64_MAX;
 	tt_assert(u64 > 0);
 	tt_assert(i64 > 0);
 	u64++;
 	i64++;
 	tt_assert(u64 == 0);
 	tt_assert(i64 == EV_INT64_MIN);
 	tt_assert(i64 < 0);
 	u32 = EV_UINT32_MAX;
 	i32 = EV_INT32_MAX;
 	tt_assert(u32 > 0);
 	tt_assert(i32 > 0);
 	u32++;
 	i32++;
 	tt_assert(u32 == 0);
 	tt_assert(i32 == EV_INT32_MIN);
 	tt_assert(i32 < 0);
 	u16 = EV_UINT16_MAX;
 	i16 = EV_INT16_MAX;
 	tt_assert(u16 > 0);
 	tt_assert(i16 > 0);
 	u16++;
 	i16++;
 	tt_assert(u16 == 0);
 	tt_assert(i16 == EV_INT16_MIN);
 	tt_assert(i16 < 0);
 	u8 = EV_UINT8_MAX;
 	i8 = EV_INT8_MAX;
 	tt_assert(u8 > 0);
 	tt_assert(i8 > 0);
 	u8++;
 	i8++;
 	tt_assert(u8 == 0);
 	tt_assert(i8 == EV_INT8_MIN);
 	tt_assert(i8 < 0);
 	ssize = EV_SSIZE_MAX;
 	tt_assert(ssize > 0);
 	ssize++;
 	tt_assert(ssize < 0);
 	tt_assert(ssize == EV_SSIZE_MIN);
 	ptr = &ssize;
 	iptr = (ev_intptr_t)ptr;
 	uptr = (ev_uintptr_t)ptr;
 	ptr = (void *)iptr;
 	tt_assert(ptr == &ssize);
 	ptr = (void *)uptr;
 	tt_assert(ptr == &ssize);
 	iptr = -1;
 	tt_assert(iptr < 0);
 end:
 	;
 }
 struct evutil_addrinfo *
 ai_find_by_family(struct evutil_addrinfo *ai, int family)
 {
 	while (ai) {
 		if (ai->ai_family == family)
 			return ai;
 		ai = ai->ai_next;
 	}
 	return NULL;
 }
 struct evutil_addrinfo *
 ai_find_by_protocol(struct evutil_addrinfo *ai, int protocol)
 {
 	while (ai) {
 		if (ai->ai_protocol == protocol)
 			return ai;
 		ai = ai->ai_next;
 	}
 	return NULL;
 }
 int
 _test_ai_eq(const struct evutil_addrinfo *ai, const char *sockaddr_port,
     int socktype, int protocol, int line)
 {
 	struct sockaddr_storage ss;
 	int slen = sizeof(ss);
 	int gotport;
 	char buf[128];
 	memset(&ss, 0, sizeof(ss));
 	if (socktype > 0)
 		tt_int_op(ai->ai_socktype, ==, socktype);
 	if (protocol > 0)
 		tt_int_op(ai->ai_protocol, ==, protocol);
 	if (evutil_parse_sockaddr_port(
 		    sockaddr_port, (struct sockaddr*)&ss, &slen)<0) {
 		TT_FAIL(("Couldn't parse expected address %s on line %d",
 			sockaddr_port, line));
 		return -1;
 	}
 	if (ai->ai_family != ss.ss_family) {
 		TT_FAIL(("Address family %d did not match %d on line %d",
 			ai->ai_family, ss.ss_family, line));
 		return -1;
 	}
 	if (ai->ai_addr->sa_family == AF_INET) {
 		struct sockaddr_in *sin = (struct sockaddr_in*)ai->ai_addr;
 		evutil_inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf));
 		gotport = ntohs(sin->sin_port);
 		if (ai->ai_addrlen != sizeof(struct sockaddr_in)) {
 			TT_FAIL(("Addr size mismatch on line %d", line));
 			return -1;
 		}
 	} else {
 		struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)ai->ai_addr;
 		evutil_inet_ntop(AF_INET6, &sin6->sin6_addr, buf, sizeof(buf));
 		gotport = ntohs(sin6->sin6_port);
 		if (ai->ai_addrlen != sizeof(struct sockaddr_in6)) {
 			TT_FAIL(("Addr size mismatch on line %d", line));
 			return -1;
 		}
 	}
 	if (evutil_sockaddr_cmp(ai->ai_addr, (struct sockaddr*)&ss, 1)) {
 		TT_FAIL(("Wanted %s, got %s:%d on line %d", sockaddr_port,
 			buf, gotport, line));
 		return -1;
 	} else {
 		TT_BLATHER(("Wanted %s, got %s:%d on line %d", sockaddr_port,
 			buf, gotport, line));
 	}
 	return 0;
 end:
 	TT_FAIL(("Test failed on line %d", line));
 	return -1;
 }
 static void
 test_evutil_rand(void *arg)
 {
 	char buf1[32];
 	char buf2[32];
 	int counts[256];
 	int i, j, k, n=0;
 	memset(buf2, 0, sizeof(buf2));
 	memset(counts, 0, sizeof(counts));
 	for (k=0;k<32;++k) {
 		/* Try a few different start and end points; try to catch
 		 * the various misaligned cases of arc4random_buf */
 		int startpoint = _evutil_weakrand() % 4;
 		int endpoint = 32 - (_evutil_weakrand() % 4);
 		memset(buf2, 0, sizeof(buf2));
 		/* Do 6 runs over buf1, or-ing the result into buf2 each
 		 * time, to make sure we're setting each byte that we mean
 		 * to set. */
 		for (i=0;i<8;++i) {
 			memset(buf1, 0, sizeof(buf1));
 			evutil_secure_rng_get_bytes(buf1 + startpoint,
 			    endpoint-startpoint);
 			n += endpoint - startpoint;
 			for (j=0; j<32; ++j) {
 				if (j >= startpoint && j < endpoint) {
 					buf2[j] |= buf1[j];
 					++counts[(unsigned char)buf1[j]];
 				} else {
 					tt_assert(buf1[j] == 0);
 					tt_int_op(buf1[j], ==, 0);
 				}
 			}
 		}
 		/* This will give a false positive with P=(256**8)==(2**64)
 		 * for each character. */
 		for (j=startpoint;j<endpoint;++j) {
 			tt_int_op(buf2[j], !=, 0);
 		}
 	}
 	/* for (i=0;i<256;++i) { printf("%3d %2d\n", i, counts[i]); } */
 end:
 	;
 }
 static void
 test_evutil_getaddrinfo(void *arg)
 {
 	struct evutil_addrinfo *ai = NULL, *a;
 	struct evutil_addrinfo hints;
 	struct sockaddr_in6 *sin6;
 	struct sockaddr_in *sin;
 	char buf[128];
 	const char *cp;
 	int r;
 	/* Try using it as a pton. */
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_UNSPEC;
 	hints.ai_socktype = SOCK_STREAM;
 	r = evutil_getaddrinfo("1.2.3.4", "8080", &hints, &ai);
 	tt_int_op(r, ==, 0);
 	tt_assert(ai);
 	tt_ptr_op(ai->ai_next, ==, NULL); /* no ambiguity */
 	test_ai_eq(ai, "1.2.3.4:8080", SOCK_STREAM, IPPROTO_TCP);
 	evutil_freeaddrinfo(ai);
 	ai = NULL;
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_UNSPEC;
 	hints.ai_protocol = IPPROTO_UDP;
 	r = evutil_getaddrinfo("1001:b0b::f00f", "4321", &hints, &ai);
 	tt_int_op(r, ==, 0);
 	tt_assert(ai);
 	tt_ptr_op(ai->ai_next, ==, NULL); /* no ambiguity */
 	test_ai_eq(ai, "[1001:b0b::f00f]:4321", SOCK_DGRAM, IPPROTO_UDP);
 	evutil_freeaddrinfo(ai);
 	ai = NULL;
 	/* Try out the behavior of nodename=NULL */
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_INET;
 	hints.ai_protocol = IPPROTO_TCP;
 	hints.ai_flags = EVUTIL_AI_PASSIVE; /* as if for bind */
 	r = evutil_getaddrinfo(NULL, "9999", &hints, &ai);
 	tt_int_op(r,==,0);
 	tt_assert(ai);
 	tt_ptr_op(ai->ai_next, ==, NULL);
 	test_ai_eq(ai, "0.0.0.0:9999", SOCK_STREAM, IPPROTO_TCP);
 	evutil_freeaddrinfo(ai);
 	ai = NULL;
 	hints.ai_flags = 0; /* as if for connect */
 	r = evutil_getaddrinfo(NULL, "9998", &hints, &ai);
 	tt_assert(ai);
 	tt_int_op(r,==,0);
 	test_ai_eq(ai, "127.0.0.1:9998", SOCK_STREAM, IPPROTO_TCP);
 	tt_ptr_op(ai->ai_next, ==, NULL);
 	evutil_freeaddrinfo(ai);
 	ai = NULL;
 	hints.ai_flags = 0; /* as if for connect */
 	hints.ai_family = PF_INET6;
 	r = evutil_getaddrinfo(NULL, "9997", &hints, &ai);
 	tt_assert(ai);
 	tt_int_op(r,==,0);
 	tt_ptr_op(ai->ai_next, ==, NULL);
 	test_ai_eq(ai, "[::1]:9997", SOCK_STREAM, IPPROTO_TCP);
 	evutil_freeaddrinfo(ai);
 	ai = NULL;
 	hints.ai_flags = EVUTIL_AI_PASSIVE; /* as if for bind. */
 	hints.ai_family = PF_INET6;
 	r = evutil_getaddrinfo(NULL, "9996", &hints, &ai);
 	tt_assert(ai);
 	tt_int_op(r,==,0);
 	tt_ptr_op(ai->ai_next, ==, NULL);
 	test_ai_eq(ai, "[::]:9996", SOCK_STREAM, IPPROTO_TCP);
 	evutil_freeaddrinfo(ai);
 	ai = NULL;
 	/* Now try an unspec one. We should get a v6 and a v4. */
 	hints.ai_family = PF_UNSPEC;
 	r = evutil_getaddrinfo(NULL, "9996", &hints, &ai);
 	tt_assert(ai);
 	tt_int_op(r,==,0);
 	a = ai_find_by_family(ai, PF_INET6);
 	tt_assert(a);
 	test_ai_eq(a, "[::]:9996", SOCK_STREAM, IPPROTO_TCP);
 	a = ai_find_by_family(ai, PF_INET);
 	tt_assert(a);
 	test_ai_eq(a, "0.0.0.0:9996", SOCK_STREAM, IPPROTO_TCP);
 	evutil_freeaddrinfo(ai);
 	ai = NULL;
 	/* Try out AI_NUMERICHOST: successful case.  Also try
 	 * multiprotocol. */
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_UNSPEC;
 	hints.ai_flags = EVUTIL_AI_NUMERICHOST;
 	r = evutil_getaddrinfo("1.2.3.4", NULL, &hints, &ai);
 	tt_int_op(r, ==, 0);
 	a = ai_find_by_protocol(ai, IPPROTO_TCP);
 	tt_assert(a);
 	test_ai_eq(a, "1.2.3.4", SOCK_STREAM, IPPROTO_TCP);
 	a = ai_find_by_protocol(ai, IPPROTO_UDP);
 	tt_assert(a);
 	test_ai_eq(a, "1.2.3.4", SOCK_DGRAM, IPPROTO_UDP);
 	evutil_freeaddrinfo(ai);
 	ai = NULL;
 	/* Try the failing case of AI_NUMERICHOST */
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_UNSPEC;
 	hints.ai_flags = EVUTIL_AI_NUMERICHOST;
 	r = evutil_getaddrinfo("www.google.com", "80", &hints, &ai);
 	tt_int_op(r, ==, EVUTIL_EAI_NONAME);
 	tt_ptr_op(ai, ==, NULL);
 	/* Try symbolic service names wit AI_NUMERICSERV */
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_UNSPEC;
 	hints.ai_socktype = SOCK_STREAM;
 	hints.ai_flags = EVUTIL_AI_NUMERICSERV;
 	r = evutil_getaddrinfo("1.2.3.4", "http", &hints, &ai);
 	tt_int_op(r,==,EVUTIL_EAI_NONAME);
 	/* Try symbolic service names */
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_UNSPEC;
 	hints.ai_socktype = SOCK_STREAM;
 	r = evutil_getaddrinfo("1.2.3.4", "http", &hints, &ai);
 	if (r!=0) {
 		TT_DECLARE("SKIP", ("Symbolic service names seem broken."));
 	} else {
 		tt_assert(ai);
 		test_ai_eq(ai, "1.2.3.4:80", SOCK_STREAM, IPPROTO_TCP);
 		evutil_freeaddrinfo(ai);
 		ai = NULL;
 	}
 	/* Now do some actual lookups. */
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = PF_INET;
 	hints.ai_protocol = IPPROTO_TCP;
 	hints.ai_socktype = SOCK_STREAM;
 	r = evutil_getaddrinfo("www.google.com", "80", &hints, &ai);
 	if (r != 0) {
 		TT_DECLARE("SKIP", ("Couldn't resolve www.google.com"));
 	} else {
 		tt_assert(ai);
 		tt_int_op(ai->ai_family, ==, PF_INET);
 		tt_int_op(ai->ai_protocol, ==, IPPROTO_TCP);
 		tt_int_op(ai->ai_socktype, ==, SOCK_STREAM);
 		tt_int_op(ai->ai_addrlen, ==, sizeof(struct sockaddr_in));
 		sin = (struct sockaddr_in*)ai->ai_addr;
 		tt_int_op(sin->sin_family, ==, AF_INET);
 		tt_int_op(sin->sin_port, ==, htons(80));
 		tt_int_op(sin->sin_addr.s_addr, !=, 0xffffffff);
 		cp = evutil_inet_ntop(AF_INET, &sin->sin_addr, buf, sizeof(buf));
 		TT_BLATHER(("www.google.com resolved to %s",
 			cp?cp:"<unwriteable>"));
 		evutil_freeaddrinfo(ai);
 		ai = NULL;
 	}
 	hints.ai_family = PF_INET6;
 	r = evutil_getaddrinfo("ipv6.google.com", "80", &hints, &ai);
 	if (r != 0) {
 		TT_BLATHER(("Couldn't do an ipv6 lookup for ipv6.google.com"));
 	} else {
 		tt_assert(ai);
 		tt_int_op(ai->ai_family, ==, PF_INET6);
 		tt_int_op(ai->ai_addrlen, ==, sizeof(struct sockaddr_in6));
 		sin6 = (struct sockaddr_in6*)ai->ai_addr;
 		tt_int_op(sin6->sin6_port, ==, htons(80));
 		cp = evutil_inet_ntop(AF_INET6, &sin6->sin6_addr, buf,
 		    sizeof(buf));
 		TT_BLATHER(("ipv6.google.com resolved to %s",
 			cp?cp:"<unwriteable>"));
 	}
 end:
 	if (ai)
 		evutil_freeaddrinfo(ai);
 }
 #ifdef WIN32
 static void
 test_evutil_loadsyslib(void *arg)
 {
 	HANDLE h=NULL;
 	h = evutil_load_windows_system_library(TEXT("kernel32.dll"));
 	tt_assert(h);
 end:
 	if (h)
 		CloseHandle(h);
 }
 #endif
 struct testcase_t util_testcases[] = {
 	{ "ipv4_parse", regress_ipv4_parse, 0, NULL, NULL },
 	{ "ipv6_parse", regress_ipv6_parse, 0, NULL, NULL },
 	{ "sockaddr_port_parse", regress_sockaddr_port_parse, 0, NULL, NULL },
 	{ "sockaddr_port_format", regress_sockaddr_port_format, 0, NULL, NULL },
 	{ "sockaddr_predicates", test_evutil_sockaddr_predicates, 0,NULL,NULL },
 	{ "evutil_snprintf", test_evutil_snprintf, 0, NULL, NULL },
 	{ "evutil_strtoll", test_evutil_strtoll, 0, NULL, NULL },
 	{ "evutil_casecmp", test_evutil_casecmp, 0, NULL, NULL },
 	{ "strlcpy", test_evutil_strlcpy, 0, NULL, NULL },
 	{ "log", test_evutil_log, TT_FORK, NULL, NULL },
 	{ "upcast", test_evutil_upcast, 0, NULL, NULL },
 	{ "integers", test_evutil_integers, 0, NULL, NULL },
 	{ "rand", test_evutil_rand, TT_FORK, NULL, NULL },
 	{ "getaddrinfo", test_evutil_getaddrinfo, TT_FORK, NULL, NULL },
 #ifdef WIN32
 	{ "loadsyslib", test_evutil_loadsyslib, TT_FORK, NULL, NULL },
 #endif
 	END_OF_TESTCASES,
 };

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ipc/chromium/src/third_party/libevent/test/regress_util.c@6474c204b198 (annotated)

ipc/chromium/src/third_party/libevent/test/regress_util.c