Cleanup temporary files created by tests.

webrtc/base/optionsfile_unittest.cc

 /*
  *  Copyright 2008 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 24 matching lines @@
 
 class OptionsFileTest : public testing::Test {
  public:
   OptionsFileTest() {
     Pathname dir;
     ASSERT(Filesystem::GetTemporaryFolder(dir, true, NULL));
     test_file_ = Filesystem::TempFilename(dir, ".testfile");
     OpenStore();
   }
 
+  ~OptionsFileTest() override {
+    remove(test_file_.c_str());
+  }
+
  protected:
   void OpenStore() {
     store_.reset(new OptionsFile(test_file_));
   }
 
   rtc::scoped_ptr<OptionsFile> store_;
 
  private:
   std::string test_file_;
 };
@@ skipping 104 matching lines @@
   EXPECT_TRUE(store_->GetStringValue(kEmptyString, &out));
   EXPECT_EQ(kTestString2, out);
   EXPECT_TRUE(store_->SetStringValue(kTestOptionB, kEmptyString));
   EXPECT_TRUE(store_->Save());
   EXPECT_TRUE(store_->Load());
   EXPECT_TRUE(store_->GetStringValue(kTestOptionB, &out));
   EXPECT_EQ(kEmptyString, out);
 }
 
 }  // namespace rtc