1 files changed, 82 insertions, 0 deletions
diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
new file mode 100644
index 0000000..9a474c0
--- /dev/null
+++ b/tests/pthread_test.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include <errno.h>
+#include <pthread.h>
+#include <unistd.h>
+
+TEST(pthread, pthread_key_create) {
+  pthread_key_t key;
+  ASSERT_EQ(0, pthread_key_create(&key, NULL));
+  ASSERT_EQ(0, pthread_key_delete(key));
+  // Can't delete a key that's already been deleted.
+  ASSERT_EQ(EINVAL, pthread_key_delete(key));
+}
+
+static void* IdFn(void* arg) {
+  return arg;
+}
+
+static void* SleepFn(void* arg) {
+  sleep(reinterpret_cast<unsigned int>(arg));
+  return NULL;
+}
+
+static void* JoinFn(void* arg) {
+  return reinterpret_cast<void*>(pthread_join(reinterpret_cast<pthread_t>(arg), NULL));
+}
+
+TEST(pthread, pthread_create) {
+  void* expected_result = reinterpret_cast<void*>(123);
+  // Can we create a thread?
+  pthread_t t;
+  ASSERT_EQ(0, pthread_create(&t, NULL, IdFn, expected_result));
+  // If we join, do we get the expected value back?
+  void* result;
+  ASSERT_EQ(0, pthread_join(t, &result));
+  ASSERT_EQ(expected_result, result);
+}
+
+TEST(pthread, pthread_no_join_after_detach) {
+  pthread_t t1;
+  ASSERT_EQ(0, pthread_create(&t1, NULL, SleepFn, reinterpret_cast<void*>(5)));
+
+  // After a pthread_detach...
+  ASSERT_EQ(0, pthread_detach(t1));
+
+  // ...pthread_join should fail.
+  void* result;
+  ASSERT_EQ(EINVAL, pthread_join(t1, &result));
+}
+
+TEST(pthread, pthread_no_op_detach_after_join) {
+  pthread_t t1;
+  ASSERT_EQ(0, pthread_create(&t1, NULL, SleepFn, reinterpret_cast<void*>(1)));
+
+  // If thread 2 is already waiting to join thread 1...
+  pthread_t t2;
+  ASSERT_EQ(0, pthread_create(&t2, NULL, JoinFn, reinterpret_cast<void*>(t1)));
+
+  // ...a call to pthread_detach on thread 1 will "succeed"...
+  ASSERT_EQ(0, pthread_detach(t1));
+
+  // ...but the join still goes ahead.
+  void* join_result;
+  ASSERT_EQ(0, pthread_join(t2, &join_result));
+  ASSERT_EQ(EINVAL, reinterpret_cast<int>(join_result));
+}