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[tor-commits] [tor/master] Move thread tests into their own module



commit 74b782645ad89b8bd5a18fd3f2cb3be45c38a04f
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Wed Sep 25 14:50:01 2013 -0400

    Move thread tests into their own module
---
 src/test/include.am     |    1 +
 src/test/test.c         |    2 +
 src/test/test_threads.c |  154 +++++++++++++++++++++++++++++++++++++++++++++++
 src/test/test_util.c    |  137 -----------------------------------------
 4 files changed, 157 insertions(+), 137 deletions(-)

diff --git a/src/test/include.am b/src/test/include.am
index 2badc47..2e13454 100644
--- a/src/test/include.am
+++ b/src/test/include.am
@@ -46,6 +46,7 @@ src_test_test_SOURCES = \
 	src/test/test_routerkeys.c \
 	src/test/test_scheduler.c \
 	src/test/test_socks.c \
+	src/test/test_threads.c \
 	src/test/test_util.c \
 	src/test/test_config.c \
 	src/test/test_hs.c \
diff --git a/src/test/test.c b/src/test/test.c
index de6efaf..edc28cd 100644
--- a/src/test/test.c
+++ b/src/test/test.c
@@ -1297,6 +1297,7 @@ extern struct testcase_t cell_queue_tests[];
 extern struct testcase_t options_tests[];
 extern struct testcase_t socks_tests[];
 extern struct testcase_t entrynodes_tests[];
+extern struct testcase_t thread_tests[];
 extern struct testcase_t extorport_tests[];
 extern struct testcase_t controller_event_tests[];
 extern struct testcase_t logging_tests[];
@@ -1323,6 +1324,7 @@ static struct testgroup_t testgroups[] = {
   { "container/", container_tests },
   { "util/", util_tests },
   { "util/logging/", logging_tests },
+  { "util/thread/", thread_tests },
   { "cellfmt/", cell_format_tests },
   { "cellqueue/", cell_queue_tests },
   { "dir/", dir_tests },
diff --git a/src/test/test_threads.c b/src/test/test_threads.c
new file mode 100644
index 0000000..2b4c933
--- /dev/null
+++ b/src/test/test_threads.c
@@ -0,0 +1,154 @@
+/* Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2013, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#include "orconfig.h"
+#include "or.h"
+#include "compat_threads.h"
+#include "test.h"
+
+/** mutex for thread test to stop the threads hitting data at the same time. */
+static tor_mutex_t *thread_test_mutex_ = NULL;
+/** mutexes for the thread test to make sure that the threads have to
+ * interleave somewhat. */
+static tor_mutex_t *thread_test_start1_ = NULL,
+                   *thread_test_start2_ = NULL;
+/** Shared strmap for the thread test. */
+static strmap_t *thread_test_strmap_ = NULL;
+/** The name of thread1 for the thread test */
+static char *thread1_name_ = NULL;
+/** The name of thread2 for the thread test */
+static char *thread2_name_ = NULL;
+
+static void thread_test_func_(void* _s) ATTR_NORETURN;
+
+/** How many iterations have the threads in the unit test run? */
+static int t1_count = 0, t2_count = 0;
+
+/** Helper function for threading unit tests: This function runs in a
+ * subthread. It grabs its own mutex (start1 or start2) to make sure that it
+ * should start, then it repeatedly alters _test_thread_strmap protected by
+ * thread_test_mutex_. */
+static void
+thread_test_func_(void* _s)
+{
+  char *s = _s;
+  int i, *count;
+  tor_mutex_t *m;
+  char buf[64];
+  char **cp;
+  if (!strcmp(s, "thread 1")) {
+    m = thread_test_start1_;
+    cp = &thread1_name_;
+    count = &t1_count;
+  } else {
+    m = thread_test_start2_;
+    cp = &thread2_name_;
+    count = &t2_count;
+  }
+
+  tor_snprintf(buf, sizeof(buf), "%lu", tor_get_thread_id());
+  *cp = tor_strdup(buf);
+
+  tor_mutex_acquire(m);
+
+  for (i=0; i<10000; ++i) {
+    tor_mutex_acquire(thread_test_mutex_);
+    strmap_set(thread_test_strmap_, "last to run", *cp);
+    ++*count;
+    tor_mutex_release(thread_test_mutex_);
+  }
+  tor_mutex_acquire(thread_test_mutex_);
+  strmap_set(thread_test_strmap_, s, *cp);
+  tor_mutex_release(thread_test_mutex_);
+
+  tor_mutex_release(m);
+
+  spawn_exit();
+}
+
+/** Run unit tests for threading logic. */
+static void
+test_threads_basic(void *arg)
+{
+  char *s1 = NULL, *s2 = NULL;
+  int done = 0, timedout = 0;
+  time_t started;
+#ifndef _WIN32
+  struct timeval tv;
+  tv.tv_sec=0;
+  tv.tv_usec=100*1000;
+#endif
+  (void)arg;
+  thread_test_mutex_ = tor_mutex_new();
+  thread_test_start1_ = tor_mutex_new();
+  thread_test_start2_ = tor_mutex_new();
+  thread_test_strmap_ = strmap_new();
+  s1 = tor_strdup("thread 1");
+  s2 = tor_strdup("thread 2");
+  tor_mutex_acquire(thread_test_start1_);
+  tor_mutex_acquire(thread_test_start2_);
+  spawn_func(thread_test_func_, s1);
+  spawn_func(thread_test_func_, s2);
+  tor_mutex_release(thread_test_start2_);
+  tor_mutex_release(thread_test_start1_);
+  started = time(NULL);
+  while (!done) {
+    tor_mutex_acquire(thread_test_mutex_);
+    strmap_assert_ok(thread_test_strmap_);
+    if (strmap_get(thread_test_strmap_, "thread 1") &&
+        strmap_get(thread_test_strmap_, "thread 2")) {
+      done = 1;
+    } else if (time(NULL) > started + 150) {
+      timedout = done = 1;
+    }
+    tor_mutex_release(thread_test_mutex_);
+#ifndef _WIN32
+    /* Prevent the main thread from starving the worker threads. */
+    select(0, NULL, NULL, NULL, &tv);
+#endif
+  }
+  tor_mutex_acquire(thread_test_start1_);
+  tor_mutex_release(thread_test_start1_);
+  tor_mutex_acquire(thread_test_start2_);
+  tor_mutex_release(thread_test_start2_);
+
+  tor_mutex_free(thread_test_mutex_);
+
+  if (timedout) {
+    printf("\nTimed out: %d %d", t1_count, t2_count);
+    tt_assert(strmap_get(thread_test_strmap_, "thread 1"));
+    tt_assert(strmap_get(thread_test_strmap_, "thread 2"));
+    tt_assert(!timedout);
+  }
+
+  /* different thread IDs. */
+  tt_assert(strcmp(strmap_get(thread_test_strmap_, "thread 1"),
+                     strmap_get(thread_test_strmap_, "thread 2")));
+  tt_assert(!strcmp(strmap_get(thread_test_strmap_, "thread 1"),
+                      strmap_get(thread_test_strmap_, "last to run")) ||
+              !strcmp(strmap_get(thread_test_strmap_, "thread 2"),
+                      strmap_get(thread_test_strmap_, "last to run")));
+
+ done:
+  tor_free(s1);
+  tor_free(s2);
+  tor_free(thread1_name_);
+  tor_free(thread2_name_);
+  if (thread_test_strmap_)
+    strmap_free(thread_test_strmap_, NULL);
+  if (thread_test_start1_)
+    tor_mutex_free(thread_test_start1_);
+  if (thread_test_start2_)
+    tor_mutex_free(thread_test_start2_);
+}
+
+#define THREAD_TEST(name) \
+  { #name, test_threads_##name, TT_FORK, NULL, NULL }
+
+struct testcase_t thread_tests[] = {
+  THREAD_TEST(basic),
+  END_OF_TESTCASES
+};
+
diff --git a/src/test/test_util.c b/src/test/test_util.c
index 15470e8..b4ee934 100644
--- a/src/test/test_util.c
+++ b/src/test/test_util.c
@@ -1607,142 +1607,6 @@ test_util_pow2(void *arg)
   ;
 }
 
-/** mutex for thread test to stop the threads hitting data at the same time. */
-static tor_mutex_t *thread_test_mutex_ = NULL;
-/** mutexes for the thread test to make sure that the threads have to
- * interleave somewhat. */
-static tor_mutex_t *thread_test_start1_ = NULL,
-                   *thread_test_start2_ = NULL;
-/** Shared strmap for the thread test. */
-static strmap_t *thread_test_strmap_ = NULL;
-/** The name of thread1 for the thread test */
-static char *thread1_name_ = NULL;
-/** The name of thread2 for the thread test */
-static char *thread2_name_ = NULL;
-
-static void thread_test_func_(void* _s) ATTR_NORETURN;
-
-/** How many iterations have the threads in the unit test run? */
-static int t1_count = 0, t2_count = 0;
-
-/** Helper function for threading unit tests: This function runs in a
- * subthread. It grabs its own mutex (start1 or start2) to make sure that it
- * should start, then it repeatedly alters _test_thread_strmap protected by
- * thread_test_mutex_. */
-static void
-thread_test_func_(void* _s)
-{
-  char *s = _s;
-  int i, *count;
-  tor_mutex_t *m;
-  char buf[64];
-  char **cp;
-  if (!strcmp(s, "thread 1")) {
-    m = thread_test_start1_;
-    cp = &thread1_name_;
-    count = &t1_count;
-  } else {
-    m = thread_test_start2_;
-    cp = &thread2_name_;
-    count = &t2_count;
-  }
-
-  tor_snprintf(buf, sizeof(buf), "%lu", tor_get_thread_id());
-  *cp = tor_strdup(buf);
-
-  tor_mutex_acquire(m);
-
-  for (i=0; i<10000; ++i) {
-    tor_mutex_acquire(thread_test_mutex_);
-    strmap_set(thread_test_strmap_, "last to run", *cp);
-    ++*count;
-    tor_mutex_release(thread_test_mutex_);
-  }
-  tor_mutex_acquire(thread_test_mutex_);
-  strmap_set(thread_test_strmap_, s, *cp);
-  tor_mutex_release(thread_test_mutex_);
-
-  tor_mutex_release(m);
-
-  spawn_exit();
-}
-
-/** Run unit tests for threading logic. */
-static void
-test_util_threads(void *arg)
-{
-  char *s1 = NULL, *s2 = NULL;
-  int done = 0, timedout = 0;
-  time_t started;
-#ifndef _WIN32
-  struct timeval tv;
-  tv.tv_sec=0;
-  tv.tv_usec=100*1000;
-#endif
-  (void)arg;
-  thread_test_mutex_ = tor_mutex_new();
-  thread_test_start1_ = tor_mutex_new();
-  thread_test_start2_ = tor_mutex_new();
-  thread_test_strmap_ = strmap_new();
-  s1 = tor_strdup("thread 1");
-  s2 = tor_strdup("thread 2");
-  tor_mutex_acquire(thread_test_start1_);
-  tor_mutex_acquire(thread_test_start2_);
-  spawn_func(thread_test_func_, s1);
-  spawn_func(thread_test_func_, s2);
-  tor_mutex_release(thread_test_start2_);
-  tor_mutex_release(thread_test_start1_);
-  started = time(NULL);
-  while (!done) {
-    tor_mutex_acquire(thread_test_mutex_);
-    strmap_assert_ok(thread_test_strmap_);
-    if (strmap_get(thread_test_strmap_, "thread 1") &&
-        strmap_get(thread_test_strmap_, "thread 2")) {
-      done = 1;
-    } else if (time(NULL) > started + 150) {
-      timedout = done = 1;
-    }
-    tor_mutex_release(thread_test_mutex_);
-#ifndef _WIN32
-    /* Prevent the main thread from starving the worker threads. */
-    select(0, NULL, NULL, NULL, &tv);
-#endif
-  }
-  tor_mutex_acquire(thread_test_start1_);
-  tor_mutex_release(thread_test_start1_);
-  tor_mutex_acquire(thread_test_start2_);
-  tor_mutex_release(thread_test_start2_);
-
-  tor_mutex_free(thread_test_mutex_);
-
-  if (timedout) {
-    printf("\nTimed out: %d %d", t1_count, t2_count);
-    tt_assert(strmap_get(thread_test_strmap_, "thread 1"));
-    tt_assert(strmap_get(thread_test_strmap_, "thread 2"));
-    tt_assert(!timedout);
-  }
-
-  /* different thread IDs. */
-  tt_assert(strcmp(strmap_get(thread_test_strmap_, "thread 1"),
-                     strmap_get(thread_test_strmap_, "thread 2")));
-  tt_assert(!strcmp(strmap_get(thread_test_strmap_, "thread 1"),
-                      strmap_get(thread_test_strmap_, "last to run")) ||
-              !strcmp(strmap_get(thread_test_strmap_, "thread 2"),
-                      strmap_get(thread_test_strmap_, "last to run")));
-
- done:
-  tor_free(s1);
-  tor_free(s2);
-  tor_free(thread1_name_);
-  tor_free(thread2_name_);
-  if (thread_test_strmap_)
-    strmap_free(thread_test_strmap_, NULL);
-  if (thread_test_start1_)
-    tor_mutex_free(thread_test_start1_);
-  if (thread_test_start2_)
-    tor_mutex_free(thread_test_start2_);
-}
-
 /** Run unit tests for compression functions */
 static void
 test_util_gzip(void *arg)
@@ -4927,7 +4791,6 @@ struct testcase_t util_tests[] = {
   UTIL_LEGACY(memarea),
   UTIL_LEGACY(control_formats),
   UTIL_LEGACY(mmap),
-  UTIL_LEGACY(threads),
   UTIL_LEGACY(sscanf),
   UTIL_LEGACY(format_time_interval),
   UTIL_LEGACY(path_is_relative),



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