base: Support setting thread priorities generically.

base/threading/platform_thread_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/compiler_specific.h"
 #include "base/threading/platform_thread.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
@@ skipping 11 matching lines @@
   bool did_run() const { return did_run_; }
 
  private:
   bool did_run_;
 
   DISALLOW_COPY_AND_ASSIGN(TrivialThread);
 };
 
 TEST(PlatformThreadTest, Trivial) {
   TrivialThread thread;
-  PlatformThreadHandle handle = kNullThreadHandle;
+  PlatformThreadHandle handle;
 
   ASSERT_FALSE(thread.did_run());
   ASSERT_TRUE(PlatformThread::Create(0, &thread, &handle));
   PlatformThread::Join(handle);
   ASSERT_TRUE(thread.did_run());
 }
 
 TEST(PlatformThreadTest, TrivialTimesTen) {
   TrivialThread thread[10];
   PlatformThreadHandle handle[arraysize(thread)];
@@ skipping 30 matching lines @@
  private:
   PlatformThreadId thread_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FunctionTestThread);
 };
 
 TEST(PlatformThreadTest, Function) {
   PlatformThreadId main_thread_id = PlatformThread::CurrentId();
 
   FunctionTestThread thread;
-  PlatformThreadHandle handle = kNullThreadHandle;
+  PlatformThreadHandle handle;
 
   ASSERT_FALSE(thread.did_run());
   ASSERT_TRUE(PlatformThread::Create(0, &thread, &handle));
   PlatformThread::Join(handle);
   ASSERT_TRUE(thread.did_run());
   EXPECT_NE(thread.thread_id(), main_thread_id);
 
   // Make sure that the thread ID is the same across calls.
   EXPECT_EQ(main_thread_id, PlatformThread::CurrentId());
 }
@@ skipping 18 matching lines @@
     for (size_t i = 0; i < n; ++i) {
       EXPECT_NE(thread[i].thread_id(), thread[n].thread_id());
     }
   }
 
   // Make sure that the thread ID is the same across calls.
   EXPECT_EQ(main_thread_id, PlatformThread::CurrentId());
 }
 
 }  // namespace base