AppRTCDemo file logging.

webrtc/base/stream_unittest.cc

Index: webrtc/base/stream_unittest.cc
diff --git a/webrtc/base/stream_unittest.cc b/webrtc/base/stream_unittest.cc
index 86eb722c2adb555104a1c818eabfc4cfd378a3d2..4d5066ab55fce576d2be82df4c4eef937511d147 100644
--- a/webrtc/base/stream_unittest.cc
+++ b/webrtc/base/stream_unittest.cc
@@ -8,7 +8,9 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "webrtc/base/fileutils.h"
 #include "webrtc/base/gunit.h"
+#include "webrtc/base/pathutils.h"
 #include "webrtc/base/stream.h"
 #include "webrtc/test/testsupport/gtest_disable.h"
 
@@ -370,4 +372,162 @@ TEST(FifoBufferTest, WriteOffsetAndReadOffset) {
   EXPECT_EQ(SR_BLOCK, buf.ReadOffset(out, 10, 16, NULL));
 }
 
+class CircularFileStreamTest : public ::testing::Test {
+ protected:
+  static size_t const kMaxSize = 12;
+
+  CircularFileStreamTest() : is_open_(false), stream_(kMaxSize) {
+    Pathname temp_dir;
+    if (Filesystem::GetAppTempFolder(&temp_dir)) {
+      logfile_name_ =
+          Filesystem::TempFilename(temp_dir, "CircularFileStreamTest");
+    }
+  }
+
+  virtual void SetUp() {
+    int error = -1;
+    is_open_ = stream_.Open(logfile_name_, "wb", &error);
+  }
+
+  virtual void TearDown() {
+    if (!Filesystem::IsAbsent(logfile_name_)) {
+      Filesystem::DeleteFile(logfile_name_);
+    }
+  }
+
+  bool is_open_;
+  CircularFileStream stream_;
+  std::string logfile_name_;
+};
+
+TEST_F(CircularFileStreamTest, ReadWriteWithinCapacity) {
+  EXPECT_TRUE(is_open_);
+  // Write contents.
+  const uint8_t bytes[] = {1, 2, 3, 4, 5, 6};
+  size_t written = 0;
+  int error = 0;
+  EXPECT_EQ(SR_SUCCESS, stream_.Write(bytes, sizeof(bytes), &written, &error));
+  EXPECT_EQ(0, error);
+  EXPECT_EQ(written, sizeof(bytes));
+  stream_.Close();
+
+  // Check file contents.
+  uint8_t content_bytes[sizeof(bytes)] = {};
+  scoped_ptr<FileStream> content_stream(
+      Filesystem::OpenFile(logfile_name_, "r"));
+  size_t num_content_bytes_read = 0;
+  EXPECT_TRUE(content_stream);
+  error = 0;
+  EXPECT_EQ(SR_SUCCESS,
+            content_stream->Read(content_bytes, sizeof(content_bytes),
+                                 &num_content_bytes_read, &error));
+  EXPECT_EQ(sizeof(content_bytes), num_content_bytes_read);
+  ASSERT_EQ(sizeof(content_bytes), sizeof(bytes));
+  EXPECT_EQ(0, memcmp(content_bytes, bytes, sizeof(content_bytes)));
+
+  // Check read result.
+  error = 0;
+  size_t file_size = 0;
+  EXPECT_TRUE(stream_.Open(logfile_name_, "r", &error));
+  EXPECT_TRUE(stream_.GetSize(&file_size));
+  EXPECT_EQ(0, error);
+  EXPECT_EQ(sizeof(bytes), file_size);
+  scoped_ptr<uint8_t[]> read_bytes(new uint8_t[file_size]);
+  size_t num_read_bytes = 0;
+  error = 0;
+  EXPECT_EQ(SR_SUCCESS, stream_.ReadAll(read_bytes.get(), file_size,
+                                        &num_read_bytes, &error));
+  EXPECT_EQ(sizeof(bytes), num_read_bytes);
+  EXPECT_EQ(0, memcmp(bytes, read_bytes.get(), file_size));
+}
+
+TEST_F(CircularFileStreamTest, ReadWriteAtCapacity) {
+  EXPECT_TRUE(is_open_);
+  // Write contents.
+  const uint8_t bytes[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
+  size_t written = 0;
+  int error = 0;
+  EXPECT_EQ(SR_SUCCESS, stream_.Write(bytes, sizeof(bytes), &written, &error));
+  EXPECT_EQ(0, error);
+  EXPECT_EQ(written, sizeof(bytes));
+  stream_.Close();
+
+  // Check file contents.
+  uint8_t content_bytes[sizeof(bytes)] = {};
+  scoped_ptr<FileStream> content_stream(
+      Filesystem::OpenFile(logfile_name_, "r"));
+  size_t num_content_bytes_read = 0;
+  EXPECT_TRUE(content_stream);
+  error = 0;
+  EXPECT_EQ(SR_SUCCESS,
+            content_stream->Read(content_bytes, sizeof(content_bytes),
+                                 &num_content_bytes_read, &error));
+  EXPECT_EQ(sizeof(content_bytes), num_content_bytes_read);
+  ASSERT_EQ(sizeof(content_bytes), sizeof(bytes));
+  EXPECT_EQ(0, memcmp(content_bytes, bytes, sizeof(content_bytes)));
+
+  // Check read result.
+  error = 0;
+  size_t file_size = 0;
+  EXPECT_TRUE(stream_.Open(logfile_name_, "r", &error));
+  EXPECT_TRUE(stream_.GetSize(&file_size));
+  EXPECT_EQ(0, error);
+  EXPECT_EQ(sizeof(bytes), file_size);
+  scoped_ptr<uint8_t[]> read_bytes(new uint8_t[file_size]);
+  size_t num_read_bytes = 0;
+  error = 0;
+  EXPECT_EQ(SR_SUCCESS, stream_.ReadAll(read_bytes.get(), file_size,
+                                        &num_read_bytes, &error));
+  EXPECT_EQ(sizeof(bytes), num_read_bytes);
+  EXPECT_EQ(0, memcmp(bytes, read_bytes.get(), file_size));
+}
+
+TEST_F(CircularFileStreamTest, ReadWriteOverCapacity) {
+  EXPECT_TRUE(is_open_);
+  // Write contents.
+  const uint8_t bytes[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
+  size_t written = 0;
+  int error = 0;
+  EXPECT_EQ(SR_SUCCESS,
+            stream_.WriteAll(bytes, sizeof(bytes), &written, &error));
+  EXPECT_EQ(0, error);
+  EXPECT_EQ(written, sizeof(bytes));
+  stream_.Close();
+
+  // Check file contents.
+  uint8_t content_bytes[kMaxSize] = {};
+  scoped_ptr<FileStream> content_stream(
+      Filesystem::OpenFile(logfile_name_, "r"));
+  size_t num_content_bytes_read = 0;
+  EXPECT_TRUE(content_stream);
+  error = 0;
+  EXPECT_EQ(SR_SUCCESS,
+            content_stream->Read(content_bytes, sizeof(content_bytes),
+                                 &num_content_bytes_read, &error));
+  EXPECT_EQ(sizeof(content_bytes), num_content_bytes_read);
+  const uint8_t expected_content_bytes[] = {
+      1, 2, 3, 4, 5, 6, 13, 14, 15, 10, 11, 12};
+  ASSERT_EQ(sizeof(content_bytes), sizeof(expected_content_bytes));
+  EXPECT_EQ(
+      0, memcmp(expected_content_bytes, content_bytes, sizeof(content_bytes)));
+
+  // Check read result.
+  error = 0;
+  size_t file_size = 0;
+  EXPECT_TRUE(stream_.Open(logfile_name_, "r", &error));
+  EXPECT_TRUE(stream_.GetSize(&file_size));
+  EXPECT_EQ(0, error);
+  EXPECT_EQ(sizeof(content_bytes), file_size);
+  scoped_ptr<uint8_t[]> read_bytes(new uint8_t[file_size]);
+  size_t num_read_bytes = 0;
+  error = 0;
+  EXPECT_EQ(SR_SUCCESS, stream_.ReadAll(read_bytes.get(), file_size,
+                                        &num_read_bytes, &error));
+
+  const uint8_t expected_read_bytes[] = {
+      1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15};
+  EXPECT_EQ(sizeof(expected_read_bytes), num_read_bytes);
+  EXPECT_EQ(0, memcmp(expected_read_bytes, read_bytes.get(), file_size));
+}
+
 }  // namespace rtc