Merge from Chromium at DEPS revision r167172

This commit was generated by merge_to_master.py.

Change-Id: Ib8d56fd5ae39a2d7e8c91dcd76cc6d13f25f2aab

1 files changed, 63 insertions, 0 deletions

diff --git a/media/base/data_buffer_unittest.cc b/media/base/data_buffer_unittest.cc
new file mode 100644
index 0000000000..71d83895e1
--- /dev/null
+++ b/media/base/data_buffer_unittest.cc
@@ -0,0 +1,63 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/string_util.h"
+#include "media/base/data_buffer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+TEST(DataBufferTest, Constructors) {
+  const uint8 kTestData[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 };
+  const int kTestDataSize = arraysize(kTestData);
+
+  scoped_refptr<DataBuffer> buffer(new DataBuffer(0));
+  EXPECT_FALSE(buffer->GetData());
+
+  scoped_refptr<DataBuffer> buffer2(new DataBuffer(kTestDataSize));
+  EXPECT_EQ(0, buffer2->GetDataSize());
+  EXPECT_EQ(kTestDataSize, buffer2->GetBufferSize());
+
+  scoped_refptr<DataBuffer> buffer3(new DataBuffer(kTestData, kTestDataSize));
+  EXPECT_EQ(kTestDataSize, buffer3->GetDataSize());
+  EXPECT_EQ(kTestDataSize, buffer3->GetBufferSize());
+  ASSERT_EQ(0, memcmp(buffer3->GetData(), kTestData, kTestDataSize));
+  // Ensure we are copying the data, not just pointing to the original data.
+  buffer3->GetWritableData()[0] = 0xFF;
+  ASSERT_NE(0, memcmp(buffer3->GetData(), kTestData, kTestDataSize));
+}
+
+TEST(DataBufferTest, ReadingWriting) {
+  const char kData[] = "hello";
+  const int kDataSize = arraysize(kData);
+  const char kNewData[] = "chromium";
+  const int kNewDataSize = arraysize(kNewData);
+
+  // Create a DataBuffer.
+  scoped_refptr<DataBuffer> buffer(new DataBuffer(kDataSize));
+  ASSERT_TRUE(buffer);
+
+  uint8* data = buffer->GetWritableData();
+  ASSERT_TRUE(data);
+  ASSERT_EQ(kDataSize, buffer->GetBufferSize());
+  memcpy(data, kData, kDataSize);
+  buffer->SetDataSize(kDataSize);
+  const uint8* read_only_data = buffer->GetData();
+  ASSERT_EQ(data, read_only_data);
+  ASSERT_EQ(0, memcmp(read_only_data, kData, kDataSize));
+  EXPECT_FALSE(buffer->IsEndOfStream());
+
+  scoped_refptr<DataBuffer> buffer2(new DataBuffer(kNewDataSize + 10));
+  data = buffer2->GetWritableData();
+  ASSERT_TRUE(data);
+  ASSERT_EQ(kNewDataSize + 10, buffer2->GetBufferSize());
+  memcpy(data, kNewData, kNewDataSize);
+  buffer2->SetDataSize(kNewDataSize);
+  read_only_data = buffer2->GetData();
+  EXPECT_EQ(kNewDataSize, buffer2->GetDataSize());
+  ASSERT_EQ(data, read_only_data);
+  EXPECT_EQ(0, memcmp(read_only_data, kNewData, kNewDataSize));
+}
+
+}  // namespace media