| // Copyright 2024 Google LLC |
| // SPDX-License-Identifier: BSD-2-Clause |
| |
| #include <algorithm> |
| |
| #include "avif/avif.h" |
| #include "aviftest_helpers.h" |
| #include "gtest/gtest.h" |
| |
| namespace avif { |
| namespace { |
| |
| TEST(BasicTest, EncodeDecode) { |
| ImagePtr image = testutil::CreateImage(12, 34, 8, AVIF_PIXEL_FORMAT_YUV420, |
| AVIF_PLANES_ALL); |
| ASSERT_NE(image, nullptr); |
| testutil::FillImageGradient(image.get()); |
| const testutil::AvifRwData avif = testutil::Encode(image.get()); |
| ASSERT_NE(avif.data, nullptr); |
| |
| // Make sure the HandlerBox is as small as possible, meaning its name field is |
| // empty. |
| const uint8_t kHdlr[] = {'h', 'd', 'l', 'r'}; |
| const uint8_t* hdlr_position = |
| std::search(avif.data, avif.data + avif.size, kHdlr, kHdlr + 4); |
| ASSERT_NE(hdlr_position, avif.data + avif.size); |
| // The previous four bytes represent the size of the box as a big endian |
| // unsigned integer. |
| constexpr uint8_t kExpectedHdlrSize = |
| /*size field*/ 4 + /*"hdlr"*/ 4 + /*version*/ 3 + /*flags*/ 1 + |
| /*pre_defined*/ 4 + /*handler_type*/ 4 + /*reserved*/ 4 * 3 + /*name*/ 1; |
| ASSERT_EQ(hdlr_position[-4], 0); |
| ASSERT_EQ(hdlr_position[-3], 0); |
| ASSERT_EQ(hdlr_position[-2], 0); |
| ASSERT_EQ(hdlr_position[-1], kExpectedHdlrSize); |
| } |
| |
| } // namespace |
| } // namespace avif |
