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Side by Side Diff: media/cast/net/frame_id_wrap_helper_test.cc

Issue 100823015: Cast: move net->transport (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: clean up Created 7 years ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <gtest/gtest.h>
6 #include "media/cast/net/cast_net_defines.h"
7
8 namespace media {
9 namespace cast {
10
11 class FrameIdWrapHelperTest : public ::testing::Test {
12 protected:
13 FrameIdWrapHelperTest() {}
14 virtual ~FrameIdWrapHelperTest() {}
15
16 FrameIdWrapHelper frame_id_wrap_helper_;
17 };
18
19 TEST_F(FrameIdWrapHelperTest, FirstFrame) {
20 EXPECT_EQ(kStartFrameId, frame_id_wrap_helper_.MapTo32bitsFrameId(255u));
21 }
22
23 TEST_F(FrameIdWrapHelperTest, Rollover) {
24 uint32 new_frame_id = 0u;
25 for (int i = 0; i <= 256; ++i) {
26 new_frame_id = frame_id_wrap_helper_.MapTo32bitsFrameId(
27 static_cast<uint8>(i));
28 }
29 EXPECT_EQ(256u, new_frame_id);
30 }
31
32 TEST_F(FrameIdWrapHelperTest, OutOfOrder) {
33 uint32 new_frame_id = 0u;
34 for (int i = 0; i < 255; ++i) {
35 new_frame_id = frame_id_wrap_helper_.MapTo32bitsFrameId(
36 static_cast<uint8>(i));
37 }
38 EXPECT_EQ(254u, new_frame_id);
39 new_frame_id = frame_id_wrap_helper_.MapTo32bitsFrameId(0u);
40 EXPECT_EQ(256u, new_frame_id);
41 new_frame_id = frame_id_wrap_helper_.MapTo32bitsFrameId(255u);
42 EXPECT_EQ(255u, new_frame_id);
43 new_frame_id = frame_id_wrap_helper_.MapTo32bitsFrameId(1u);
44 EXPECT_EQ(257u, new_frame_id);
45 }
46
47 } // namespace cast
48 } // namespace media
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