Add avifbasictest
Simple test that can be used as a demo or as a convenient starter
template for other tests. Also useful for debugging untested or
general issues.
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index baa33b4..78c2c42 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -80,6 +80,11 @@
target_include_directories(avifalphapremtest PRIVATE ${GTEST_INCLUDE_DIRS})
add_test(NAME avifalphapremtest COMMAND avifalphapremtest)
+ add_executable(avifbasictest gtest/avifbasictest.cc)
+ target_link_libraries(avifbasictest aviftest_helpers ${GTEST_BOTH_LIBRARIES})
+ target_include_directories(avifbasictest PRIVATE ${GTEST_INCLUDE_DIRS})
+ add_test(NAME avifbasictest COMMAND avifbasictest)
+
add_executable(avifchangesettingtest gtest/avifchangesettingtest.cc)
target_link_libraries(avifchangesettingtest aviftest_helpers ${GTEST_BOTH_LIBRARIES})
target_include_directories(avifchangesettingtest PRIVATE ${GTEST_INCLUDE_DIRS})
diff --git a/tests/gtest/avifbasictest.cc b/tests/gtest/avifbasictest.cc
new file mode 100644
index 0000000..657d4f6
--- /dev/null
+++ b/tests/gtest/avifbasictest.cc
@@ -0,0 +1,44 @@
+// Copyright 2023 Google LLC
+// SPDX-License-Identifier: BSD-2-Clause
+
+#include "avif/avif.h"
+#include "aviftest_helpers.h"
+#include "gtest/gtest.h"
+
+namespace libavif {
+namespace {
+
+TEST(BasicTest, EncodeDecode) {
+ testutil::AvifImagePtr image =
+ testutil::CreateImage(/*width=*/12, /*height=*/34, /*depth=*/8,
+ AVIF_PIXEL_FORMAT_YUV420, AVIF_PLANES_ALL);
+ ASSERT_NE(image, nullptr);
+ testutil::FillImageGradient(image.get());
+
+ testutil::AvifEncoderPtr encoder(avifEncoderCreate(), avifEncoderDestroy);
+ ASSERT_NE(encoder, nullptr);
+ testutil::AvifRwData encoded;
+ avifResult result = avifEncoderWrite(encoder.get(), image.get(), &encoded);
+ ASSERT_EQ(result, AVIF_RESULT_OK) << avifResultToString(result);
+
+ testutil::AvifImagePtr decoded(avifImageCreateEmpty(), avifImageDestroy);
+ ASSERT_NE(decoded, nullptr);
+ testutil::AvifDecoderPtr decoder(avifDecoderCreate(), avifDecoderDestroy);
+ ASSERT_NE(decoder, nullptr);
+ result = avifDecoderReadMemory(decoder.get(), decoded.get(), encoded.data,
+ encoded.size);
+ ASSERT_EQ(result, AVIF_RESULT_OK) << avifResultToString(result);
+
+ // Verify that the input and decoded images are close.
+ ASSERT_GT(testutil::GetPsnr(*image, *decoded), 40.0);
+
+ // Uncomment the following to save the encoded image as an AVIF file.
+ // std::ofstream("/tmp/avifbasictest.avif", std::ios::binary)
+ // .write(reinterpret_cast<char*>(encoded.data), encoded.size);
+
+ // Uncomment the following to save the decoded image as a PNG file.
+ // testutil::WriteImage(decoded.get(), "/tmp/avifbasictest.png");
+}
+
+} // namespace
+} // namespace libavif
