1 files changed, 73 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/checks_unittest.cc b/third_party/libwebrtc/rtc_base/checks_unittest.cc
new file mode 100644
index 0000000000..95deba9f1c
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/checks_unittest.cc
@@ -0,0 +1,73 @@
+/*
+ *  Copyright 2019 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.
+ */
+
+#include "rtc_base/checks.h"
+
+#include "test/gtest.h"
+
+TEST(ChecksTest, ExpressionNotEvaluatedWhenCheckPassing) {
+  int i = 0;
+  RTC_CHECK(true) << "i=" << ++i;
+  RTC_CHECK_EQ(i, 0) << "Previous check passed, but i was incremented!";
+}
+
+#if GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
+TEST(ChecksDeathTest, Checks) {
+#if RTC_CHECK_MSG_ENABLED
+  EXPECT_DEATH(RTC_FATAL() << "message",
+               "\n\n#\n"
+               "# Fatal error in: \\S+, line \\w+\n"
+               "# last system error: \\w+\n"
+               "# Check failed: FATAL\\(\\)\n"
+               "# message");
+
+  int a = 1, b = 2;
+  EXPECT_DEATH(RTC_CHECK_EQ(a, b) << 1 << 2u,
+               "\n\n#\n"
+               "# Fatal error in: \\S+, line \\w+\n"
+               "# last system error: \\w+\n"
+               "# Check failed: a == b \\(1 vs. 2\\)\n"
+               "# 12");
+  RTC_CHECK_EQ(5, 5);
+
+  RTC_CHECK(true) << "Shouldn't crash" << 1;
+  EXPECT_DEATH(RTC_CHECK(false) << "Hi there!",
+               "\n\n#\n"
+               "# Fatal error in: \\S+, line \\w+\n"
+               "# last system error: \\w+\n"
+               "# Check failed: false\n"
+               "# Hi there!");
+#else
+  EXPECT_DEATH(RTC_FATAL() << "message",
+               "\n\n#\n"
+               "# Fatal error in: \\S+, line \\w+\n"
+               "# last system error: \\w+\n"
+               "# Check failed.\n"
+               "# ");
+
+  int a = 1, b = 2;
+  EXPECT_DEATH(RTC_CHECK_EQ(a, b) << 1 << 2u,
+               "\n\n#\n"
+               "# Fatal error in: \\S+, line \\w+\n"
+               "# last system error: \\w+\n"
+               "# Check failed.\n"
+               "# ");
+  RTC_CHECK_EQ(5, 5);
+
+  RTC_CHECK(true) << "Shouldn't crash" << 1;
+  EXPECT_DEATH(RTC_CHECK(false) << "Hi there!",
+               "\n\n#\n"
+               "# Fatal error in: \\S+, line \\w+\n"
+               "# last system error: \\w+\n"
+               "# Check failed.\n"
+               "# ");
+#endif  // RTC_CHECK_MSG_ENABLED
+}
+#endif  // GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)