media/cast/test/utility/barcode_unittest.cc

   1 // Copyright 2014 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 "media/base/video_frame.h"
   6 #include "media/cast/test/utility/barcode.h"
   7 #include "testing/gtest/include/gtest/gtest.h"
   8
   9 namespace media {
  10 namespace cast {
  11 namespace test {
  12 namespace {
  13
  14 TEST(BarcodeTest, Small) {
  15   scoped_refptr<media::VideoFrame> frame =
  16       media::VideoFrame::CreateBlackFrame(gfx::Size(320, 10));
  17   for (unsigned char in_bits = 0; in_bits < 255; in_bits++) {
  18     EXPECT_TRUE(EncodeBarcode(in_bits, frame));
  19     unsigned char out_bits = ~in_bits;
  20     EXPECT_TRUE(DecodeBarcode(frame, &out_bits));
  21     EXPECT_EQ(in_bits, out_bits);
  22   }
  23 }
  24
  25 TEST(BarcodeTest, Large) {
  26   scoped_refptr<media::VideoFrame> frame =
  27       media::VideoFrame::CreateBlackFrame(gfx::Size(10000, 10));
  28   std::vector<bool> in_bits(1024);
  29   std::vector<bool> out_bits(1024);
  30   for (int i = 0; i < 1024; i++) in_bits[i] = true;
  31   EXPECT_TRUE(EncodeBarcode(in_bits, frame));
  32   EXPECT_TRUE(DecodeBarcode(frame, &out_bits));
  33   for (int i = 0; i < 1024; i++) {
  34     EXPECT_EQ(in_bits[i], out_bits[i]);
  35   }
  36
  37   for (int i = 0; i < 1024; i++) in_bits[i] = false;
  38   EXPECT_TRUE(EncodeBarcode(in_bits, frame));
  39   EXPECT_TRUE(DecodeBarcode(frame, &out_bits));
  40   for (int i = 0; i < 1024; i++) {
  41     EXPECT_EQ(in_bits[i], out_bits[i]);
  42   }
  43
  44   for (int i = 0; i < 1024; i++) in_bits[i] = (i & 1) == 0;
  45   EXPECT_TRUE(EncodeBarcode(in_bits, frame));
  46   EXPECT_TRUE(DecodeBarcode(frame, &out_bits));
  47   for (int i = 0; i < 1024; i++) {
  48     EXPECT_EQ(in_bits[i], out_bits[i]);
  49   }
  50
  51   for (int i = 0; i < 1024; i++) in_bits[i] = (i & 1) == 1;
  52   EXPECT_TRUE(EncodeBarcode(in_bits, frame));
  53   EXPECT_TRUE(DecodeBarcode(frame, &out_bits));
  54   for (int i = 0; i < 1024; i++) {
  55     EXPECT_EQ(in_bits[i], out_bits[i]);
  56   }
  57 }
  58
  59 }  // namespace
  60 }  // namespace test
  61 }  // namespace cast
  62 }  // namespace media