Index: media/blink/multibuffer_data_source_unittest.cc |
diff --git a/media/blink/multibuffer_data_source_unittest.cc b/media/blink/multibuffer_data_source_unittest.cc |
index 4af3ddae7f7331e6b95863a130de29b13489735e..c9ebdfbb51d994f209fefa537417ad319d9b99a4 100644 |
--- a/media/blink/multibuffer_data_source_unittest.cc |
+++ b/media/blink/multibuffer_data_source_unittest.cc |
@@ -466,6 +466,11 @@ class MultibufferDataSourceTest : public testing::Test { |
return loader()->preload_low(); |
} |
int data_source_bitrate() { return data_source_->bitrate_; } |
+ int64_t max_buffer_forward() { return loader()->max_buffer_forward_; } |
+ int64_t max_buffer_backward() { return loader()->max_buffer_backward_; } |
+ int64_t buffer_size() { |
+ return loader()->current_buffer_size_ * 32768 /* block size */; |
+ } |
double data_source_playback_rate() { return data_source_->playback_rate_; } |
bool is_local_source() { return data_source_->assume_fully_buffered(); } |
scoped_refptr<UrlData> url_data() { return data_source_->url_data_; } |
@@ -1538,4 +1543,54 @@ TEST_F(MultibufferDataSourceTest, EtagTest) { |
EXPECT_EQ(url_data()->etag(), etag); |
} |
+ |
+TEST_F(MultibufferDataSourceTest, CheckBufferSizes) { |
+ InitializeWith206Response(); |
+ |
+ data_source_->SetBitrate(1 << 20); // 1 mbit / s |
+ base::RunLoop().RunUntilIdle(); |
+ EXPECT_EQ(1 << 20, data_source_bitrate()); |
+ EXPECT_EQ(2 << 20, preload_low()); |
+ EXPECT_EQ(3 << 20, preload_high()); |
+ EXPECT_EQ(25 << 20, max_buffer_forward()); |
+ EXPECT_EQ(2 << 20, max_buffer_backward()); |
+ EXPECT_EQ(1572864 /* 1.5Mb */, buffer_size()); |
+ |
+ data_source_->SetBitrate(8 << 20); // 8 mbit / s |
+ base::RunLoop().RunUntilIdle(); |
+ EXPECT_EQ(8 << 20, data_source_bitrate()); |
+ EXPECT_EQ(10 << 20, preload_low()); |
+ EXPECT_EQ(11 << 20, preload_high()); |
+ EXPECT_EQ(25 << 20, max_buffer_forward()); |
+ EXPECT_EQ(2 << 20, max_buffer_backward()); |
+ EXPECT_EQ(12 << 20, buffer_size()); |
+ |
+ data_source_->SetBitrate(16 << 20); // 16 mbit / s |
+ base::RunLoop().RunUntilIdle(); |
+ EXPECT_EQ(16 << 20, data_source_bitrate()); |
+ EXPECT_EQ(20 << 20, preload_low()); |
+ EXPECT_EQ(21 << 20, preload_high()); |
+ EXPECT_EQ(25 << 20, max_buffer_forward()); |
+ EXPECT_EQ(4 << 20, max_buffer_backward()); |
+ EXPECT_EQ(24 << 20, buffer_size()); |
+ |
+ data_source_->SetBitrate(32 << 20); // 32 mbit / s |
+ base::RunLoop().RunUntilIdle(); |
+ EXPECT_EQ(32 << 20, data_source_bitrate()); |
+ EXPECT_EQ(40 << 20, preload_low()); |
+ EXPECT_EQ(41 << 20, preload_high()); |
+ EXPECT_EQ(41 << 20, max_buffer_forward()); |
+ EXPECT_EQ(8 << 20, max_buffer_backward()); |
+ EXPECT_EQ(48 << 20, buffer_size()); |
+ |
+ data_source_->SetBitrate(80 << 20); // 80 mbit / s |
+ base::RunLoop().RunUntilIdle(); |
+ EXPECT_EQ(80 << 20, data_source_bitrate()); |
+ EXPECT_EQ(50 << 20, preload_low()); |
+ EXPECT_EQ(51 << 20, preload_high()); |
+ EXPECT_EQ(51 << 20, max_buffer_forward()); |
+ EXPECT_EQ(20 << 20, max_buffer_backward()); |
+ EXPECT_EQ(71 << 20, buffer_size()); |
+} |
+ |
} // namespace media |