1 files changed, 100 insertions, 0 deletions
diff --git a/chromium/media/base/decoder_buffer_unittest.cc b/chromium/media/base/decoder_buffer_unittest.cc
new file mode 100644
index 00000000000..c5a03b78450
--- /dev/null
+++ b/chromium/media/base/decoder_buffer_unittest.cc
@@ -0,0 +1,100 @@
+// 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/strings/string_util.h"
+#include "media/base/decoder_buffer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+TEST(DecoderBufferTest, Constructors) {
+  scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(0));
+  EXPECT_TRUE(buffer->data());
+  EXPECT_EQ(0, buffer->data_size());
+  EXPECT_FALSE(buffer->end_of_stream());
+
+  const int kTestSize = 10;
+  scoped_refptr<DecoderBuffer> buffer3(new DecoderBuffer(kTestSize));
+  ASSERT_TRUE(buffer3.get());
+  EXPECT_EQ(kTestSize, buffer3->data_size());
+}
+
+TEST(DecoderBufferTest, CreateEOSBuffer) {
+  scoped_refptr<DecoderBuffer> buffer(DecoderBuffer::CreateEOSBuffer());
+  EXPECT_TRUE(buffer->end_of_stream());
+}
+
+TEST(DecoderBufferTest, CopyFrom) {
+  const uint8 kData[] = "hello";
+  const int kDataSize = arraysize(kData);
+  scoped_refptr<DecoderBuffer> buffer2(DecoderBuffer::CopyFrom(
+      reinterpret_cast<const uint8*>(&kData), kDataSize));
+  ASSERT_TRUE(buffer2.get());
+  EXPECT_NE(kData, buffer2->data());
+  EXPECT_EQ(buffer2->data_size(), kDataSize);
+  EXPECT_EQ(0, memcmp(buffer2->data(), kData, kDataSize));
+  EXPECT_FALSE(buffer2->end_of_stream());
+  scoped_refptr<DecoderBuffer> buffer3(DecoderBuffer::CopyFrom(
+      reinterpret_cast<const uint8*>(&kData), kDataSize,
+      reinterpret_cast<const uint8*>(&kData), kDataSize));
+  ASSERT_TRUE(buffer3.get());
+  EXPECT_NE(kData, buffer3->data());
+  EXPECT_EQ(buffer3->data_size(), kDataSize);
+  EXPECT_EQ(0, memcmp(buffer3->data(), kData, kDataSize));
+  EXPECT_NE(kData, buffer3->side_data());
+  EXPECT_EQ(buffer3->side_data_size(), kDataSize);
+  EXPECT_EQ(0, memcmp(buffer3->side_data(), kData, kDataSize));
+  EXPECT_FALSE(buffer3->end_of_stream());
+}
+
+#if !defined(OS_ANDROID)
+TEST(DecoderBufferTest, PaddingAlignment) {
+  const uint8 kData[] = "hello";
+  const int kDataSize = arraysize(kData);
+  scoped_refptr<DecoderBuffer> buffer2(DecoderBuffer::CopyFrom(
+      reinterpret_cast<const uint8*>(&kData), kDataSize));
+  ASSERT_TRUE(buffer2.get());
+
+  // Padding data should always be zeroed.
+  for(int i = 0; i < DecoderBuffer::kPaddingSize; i++)
+    EXPECT_EQ((buffer2->data() + kDataSize)[i], 0);
+
+  // If the data is padded correctly we should be able to read and write past
+  // the end of the data by DecoderBuffer::kPaddingSize bytes without crashing
+  // or Valgrind/ASAN throwing errors.
+  const uint8 kFillChar = 0xFF;
+  memset(
+      buffer2->writable_data() + kDataSize, kFillChar,
+      DecoderBuffer::kPaddingSize);
+  for(int i = 0; i < DecoderBuffer::kPaddingSize; i++)
+    EXPECT_EQ((buffer2->data() + kDataSize)[i], kFillChar);
+
+  EXPECT_EQ(0u, reinterpret_cast<uintptr_t>(
+      buffer2->data()) & (DecoderBuffer::kAlignmentSize - 1));
+}
+#endif
+
+TEST(DecoderBufferTest, ReadingWriting) {
+  const char kData[] = "hello";
+  const int kDataSize = arraysize(kData);
+
+  scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(kDataSize));
+  ASSERT_TRUE(buffer.get());
+
+  uint8* data = buffer->writable_data();
+  ASSERT_TRUE(data);
+  ASSERT_EQ(kDataSize, buffer->data_size());
+  memcpy(data, kData, kDataSize);
+  const uint8* read_only_data = buffer->data();
+  ASSERT_EQ(data, read_only_data);
+  ASSERT_EQ(0, memcmp(read_only_data, kData, kDataSize));
+  EXPECT_FALSE(buffer->end_of_stream());
+}
+
+TEST(DecoderBufferTest, GetDecryptConfig) {
+  scoped_refptr<DecoderBuffer> buffer(new DecoderBuffer(0));
+  EXPECT_FALSE(buffer->decrypt_config());
+}
+
+}  // namespace media