1 files changed, 171 insertions, 0 deletions
diff --git a/base/logging_test.cpp b/base/logging_test.cpp
new file mode 100644
index 0000000..d947c1d
--- /dev/null
+++ b/base/logging_test.cpp
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2015 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 "base/logging.h"
+
+#include <regex>
+#include <string>
+
+#include "base/file.h"
+#include "base/stringprintf.h"
+#include "test_utils.h"
+
+#include <gtest/gtest.h>
+
+#ifdef __ANDROID__
+#define HOST_TEST(suite, name) TEST(suite, DISABLED_ ## name)
+#else
+#define HOST_TEST(suite, name) TEST(suite, name)
+#endif
+
+class CapturedStderr {
+ public:
+  CapturedStderr() : old_stderr_(-1) {
+    init();
+  }
+
+  ~CapturedStderr() {
+    reset();
+  }
+
+  int fd() const {
+    return temp_file_.fd;
+  }
+
+ private:
+  void init() {
+    old_stderr_ = dup(STDERR_FILENO);
+    ASSERT_NE(-1, old_stderr_);
+    ASSERT_NE(-1, dup2(fd(), STDERR_FILENO));
+  }
+
+  void reset() {
+    ASSERT_NE(-1, dup2(old_stderr_, STDERR_FILENO));
+    ASSERT_EQ(0, close(old_stderr_));
+  }
+
+  TemporaryFile temp_file_;
+  int old_stderr_;
+};
+
+TEST(logging, CHECK) {
+  ASSERT_DEATH(CHECK(false), "Check failed: false ");
+  CHECK(true);
+
+  ASSERT_DEATH(CHECK_EQ(0, 1), "Check failed: 0 == 1 ");
+  CHECK_EQ(0, 0);
+
+  ASSERT_DEATH(CHECK_STREQ("foo", "bar"), R"(Check failed: "foo" == "bar")");
+  CHECK_STREQ("foo", "foo");
+}
+
+std::string make_log_pattern(android::base::LogSeverity severity,
+                             const char* message) {
+  static const char* log_characters = "VDIWEF";
+  char log_char = log_characters[severity];
+  return android::base::StringPrintf(
+      "%c[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+ " __FILE__
+      ":[[:digit:]]+] %s",
+      log_char, message);
+}
+
+TEST(logging, LOG) {
+  ASSERT_DEATH(LOG(FATAL) << "foobar", "foobar");
+
+  {
+    CapturedStderr cap;
+    LOG(WARNING) << "foobar";
+    ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0));
+
+    std::string output;
+    android::base::ReadFdToString(cap.fd(), &output);
+
+    std::regex message_regex(
+        make_log_pattern(android::base::WARNING, "foobar"));
+    ASSERT_TRUE(std::regex_search(output, message_regex));
+  }
+
+  {
+    CapturedStderr cap;
+    LOG(INFO) << "foobar";
+    ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0));
+
+    std::string output;
+    android::base::ReadFdToString(cap.fd(), &output);
+
+    std::regex message_regex(
+        make_log_pattern(android::base::INFO, "foobar"));
+    ASSERT_TRUE(std::regex_search(output, message_regex));
+  }
+
+  {
+    CapturedStderr cap;
+    LOG(DEBUG) << "foobar";
+    ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0));
+
+    std::string output;
+    android::base::ReadFdToString(cap.fd(), &output);
+    ASSERT_TRUE(output.empty());
+  }
+
+  {
+    android::base::ScopedLogSeverity severity(android::base::DEBUG);
+    CapturedStderr cap;
+    LOG(DEBUG) << "foobar";
+    ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0));
+
+    std::string output;
+    android::base::ReadFdToString(cap.fd(), &output);
+
+    std::regex message_regex(
+        make_log_pattern(android::base::DEBUG, "foobar"));
+    ASSERT_TRUE(std::regex_search(output, message_regex));
+  }
+}
+
+TEST(logging, PLOG) {
+  {
+    CapturedStderr cap;
+    errno = ENOENT;
+    PLOG(INFO) << "foobar";
+    ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0));
+
+    std::string output;
+    android::base::ReadFdToString(cap.fd(), &output);
+
+    std::regex message_regex(make_log_pattern(
+        android::base::INFO, "foobar: No such file or directory"));
+    ASSERT_TRUE(std::regex_search(output, message_regex));
+  }
+}
+
+TEST(logging, UNIMPLEMENTED) {
+  {
+    CapturedStderr cap;
+    errno = ENOENT;
+    UNIMPLEMENTED(ERROR);
+    ASSERT_EQ(0, lseek(cap.fd(), SEEK_SET, 0));
+
+    std::string output;
+    android::base::ReadFdToString(cap.fd(), &output);
+
+    std::string expected_message =
+        android::base::StringPrintf("%s unimplemented ", __PRETTY_FUNCTION__);
+    std::regex message_regex(
+        make_log_pattern(android::base::ERROR, expected_message.c_str()));
+    ASSERT_TRUE(std::regex_search(output, message_regex));
+  }
+}