1 files changed, 105 insertions, 0 deletions
diff --git a/absl/log/internal/stderr_log_sink_test.cc b/absl/log/internal/stderr_log_sink_test.cc
new file mode 100644
index 00000000..763690d1
--- /dev/null
+++ b/absl/log/internal/stderr_log_sink_test.cc
@@ -0,0 +1,105 @@
+//
+// Copyright 2022 The Abseil Authors.
+//
+// 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
+//
+//      https://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 <stdlib.h>
+
+#include <string>
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include "absl/base/attributes.h"
+#include "absl/base/log_severity.h"
+#include "absl/log/globals.h"
+#include "absl/log/internal/test_helpers.h"
+#include "absl/log/log.h"
+
+namespace {
+using ::testing::AllOf;
+using ::testing::HasSubstr;
+
+auto* test_env ABSL_ATTRIBUTE_UNUSED = ::testing::AddGlobalTestEnvironment(
+    new absl::log_internal::LogTestEnvironment);
+
+MATCHER_P2(HasSubstrTimes, substr, expected_count, "") {
+  int count = 0;
+  std::string::size_type pos = 0;
+  std::string needle(substr);
+  while ((pos = arg.find(needle, pos)) != std::string::npos) {
+    ++count;
+    pos += needle.size();
+  }
+
+  return count == expected_count;
+}
+
+TEST(StderrLogSinkDeathTest, InfoMessagesInStderr) {
+  EXPECT_DEATH_IF_SUPPORTED(
+      {
+        absl::SetStderrThreshold(absl::LogSeverityAtLeast::kInfo);
+        LOG(INFO) << "INFO message";
+        exit(1);
+      },
+      "INFO message");
+}
+
+TEST(StderrLogSinkDeathTest, WarningMessagesInStderr) {
+  EXPECT_DEATH_IF_SUPPORTED(
+      {
+        absl::SetStderrThreshold(absl::LogSeverityAtLeast::kInfo);
+        LOG(WARNING) << "WARNING message";
+        exit(1);
+      },
+      "WARNING message");
+}
+
+TEST(StderrLogSinkDeathTest, ErrorMessagesInStderr) {
+  EXPECT_DEATH_IF_SUPPORTED(
+      {
+        absl::SetStderrThreshold(absl::LogSeverityAtLeast::kInfo);
+        LOG(ERROR) << "ERROR message";
+        exit(1);
+      },
+      "ERROR message");
+}
+
+TEST(StderrLogSinkDeathTest, FatalMessagesInStderr) {
+  char message[] = "FATAL message";
+  char stacktrace[] = "*** Check failure stack trace: ***";
+
+  int expected_count = 1;
+
+  EXPECT_DEATH_IF_SUPPORTED(
+      {
+        absl::SetStderrThreshold(absl::LogSeverityAtLeast::kInfo);
+        LOG(FATAL) << message;
+      },
+      AllOf(HasSubstrTimes(message, expected_count), HasSubstr(stacktrace)));
+}
+
+TEST(StderrLogSinkDeathTest, SecondaryFatalMessagesInStderr) {
+  auto MessageGen = []() -> std::string {
+    LOG(FATAL) << "Internal failure";
+    return "External failure";
+  };
+
+  EXPECT_DEATH_IF_SUPPORTED(
+      {
+        absl::SetStderrThreshold(absl::LogSeverityAtLeast::kInfo);
+        LOG(FATAL) << MessageGen();
+      },
+      "Internal failure");
+}
+
+}  // namespace