Index: media/filters/vp9_raw_bits_reader_unittest.cc |
diff --git a/media/filters/vp9_raw_bits_reader_unittest.cc b/media/filters/vp9_raw_bits_reader_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d798f226c21b8fb0f1fa712008b70fa1f8e59b99 |
--- /dev/null |
+++ b/media/filters/vp9_raw_bits_reader_unittest.cc |
@@ -0,0 +1,66 @@ |
+// Copyright 2015 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 "media/filters/vp9_raw_bits_reader.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace media { |
+ |
+TEST(Vp9RawBitsReaderTest, ReadBit) { |
+ uint8_t data[] = {0xf1}; |
+ Vp9RawBitsReader reader; |
+ reader.Initialize(data, 1); |
+ |
+ EXPECT_TRUE(reader.IsValid()); |
+ EXPECT_EQ(0u, reader.GetBytesRead()); |
+ EXPECT_EQ(1, reader.ReadBit()); |
+ EXPECT_EQ(1u, reader.GetBytesRead()); |
+ EXPECT_EQ(1, reader.ReadBit()); |
+ EXPECT_EQ(1, reader.ReadBit()); |
+ EXPECT_EQ(1, reader.ReadBit()); |
+ EXPECT_EQ(0, reader.ReadBit()); |
+ EXPECT_EQ(0, reader.ReadBit()); |
+ EXPECT_EQ(0, reader.ReadBit()); |
+ EXPECT_EQ(1, reader.ReadBit()); |
+ EXPECT_TRUE(reader.IsValid()); |
+ |
+ // The return value is undefined. |
+ ignore_result(reader.ReadBit()); |
+ EXPECT_FALSE(reader.IsValid()); |
+ EXPECT_EQ(1u, reader.GetBytesRead()); |
+} |
+ |
+TEST(Vp9RawBitsReader, ReadLiteral) { |
+ uint8_t data[] = {0x3d, 0x67, 0x9a}; |
+ Vp9RawBitsReader reader; |
+ reader.Initialize(data, 3); |
+ |
+ EXPECT_TRUE(reader.IsValid()); |
+ EXPECT_EQ(0x03, reader.ReadLiteral(4)); |
+ EXPECT_EQ(0xd679, reader.ReadLiteral(16)); |
+ EXPECT_TRUE(reader.IsValid()); |
+ |
+ // The return value is undefined. |
+ ignore_result(reader.ReadLiteral(8)); |
+ EXPECT_FALSE(reader.IsValid()); |
+ EXPECT_EQ(3u, reader.GetBytesRead()); |
+} |
+ |
+TEST(Vp9RawBitsReader, ReadSignedLiteral) { |
+ uint8_t data[] = {0x3d, 0x67, 0x9a}; |
+ Vp9RawBitsReader reader; |
+ reader.Initialize(data, 3); |
+ |
+ EXPECT_TRUE(reader.IsValid()); |
+ EXPECT_EQ(-0x03, reader.ReadSignedLiteral(4)); |
+ EXPECT_EQ(-0x5679, reader.ReadSignedLiteral(15)); |
+ EXPECT_TRUE(reader.IsValid()); |
+ |
+ // The return value is undefined. |
+ ignore_result(reader.ReadSignedLiteral(7)); |
+ EXPECT_FALSE(reader.IsValid()); |
+ EXPECT_EQ(3u, reader.GetBytesRead()); |
+} |
+ |
+} // namespace media |