image_bundle_test.cc (1420B)
1 // Copyright (c) the JPEG XL Project Authors. All rights reserved. 2 // 3 // Use of this source code is governed by a BSD-style 4 // license that can be found in the LICENSE file. 5 6 #include <jxl/memory_manager.h> 7 8 #include <utility> 9 10 #include "lib/jxl/base/status.h" 11 #include "lib/jxl/dec_bit_reader.h" 12 #include "lib/jxl/enc_aux_out.h" 13 #include "lib/jxl/enc_bit_writer.h" 14 #include "lib/jxl/image_metadata.h" 15 #include "lib/jxl/test_memory_manager.h" 16 #include "lib/jxl/test_utils.h" 17 #include "lib/jxl/testing.h" 18 19 namespace jxl { 20 namespace { 21 22 TEST(ImageBundleTest, ExtraChannelName) { 23 JxlMemoryManager* memory_manager = jxl::test::MemoryManager(); 24 AuxOut aux_out; 25 BitWriter writer{memory_manager}; 26 ASSERT_TRUE( 27 writer.WithMaxBits(99, LayerType::Header, &aux_out, [&]() -> Status { 28 ImageMetadata metadata; 29 ExtraChannelInfo eci; 30 eci.type = ExtraChannel::kBlack; 31 eci.name = "testK"; 32 metadata.extra_channel_info.push_back(std::move(eci)); 33 JXL_RETURN_IF_ERROR( 34 WriteImageMetadata(metadata, &writer, LayerType::Header, &aux_out)); 35 writer.ZeroPadToByte(); 36 return true; 37 })); 38 39 BitReader reader(writer.GetSpan()); 40 ImageMetadata metadata_out; 41 ASSERT_TRUE(ReadImageMetadata(&reader, &metadata_out)); 42 EXPECT_TRUE(reader.Close()); 43 EXPECT_EQ("testK", metadata_out.Find(ExtraChannel::kBlack)->name); 44 } 45 46 } // namespace 47 } // namespace jxl