skia2/tests/ImageGeneratorTest.cpp

73 lines
2.3 KiB
C++

/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkData.h"
#include "SkGraphics.h"
#include "SkImageGenerator.h"
#include "Test.h"
static bool gMyFactoryWasCalled;
static SkImageGenerator* my_factory(SkData*) {
gMyFactoryWasCalled = true;
return nullptr;
}
static void test_imagegenerator_factory(skiatest::Reporter* reporter) {
// just need a non-empty data to test things
SkAutoTUnref<SkData> data(SkData::NewWithCString("test_imagegenerator_factory"));
gMyFactoryWasCalled = false;
SkImageGenerator* gen;
REPORTER_ASSERT(reporter, !gMyFactoryWasCalled);
gen = SkImageGenerator::NewFromEncoded(data);
REPORTER_ASSERT(reporter, nullptr == gen);
REPORTER_ASSERT(reporter, !gMyFactoryWasCalled);
// Test is racy, in that it hopes no other thread is changing this global...
SkGraphics::ImageGeneratorFromEncodedFactory prev =
SkGraphics::SetImageGeneratorFromEncodedFactory(my_factory);
gen = SkImageGenerator::NewFromEncoded(data);
REPORTER_ASSERT(reporter, nullptr == gen);
REPORTER_ASSERT(reporter, gMyFactoryWasCalled);
SkGraphics::SetImageGeneratorFromEncodedFactory(prev);
}
class MyImageGenerator : public SkImageGenerator {
public:
MyImageGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(0, 0)) {}
};
DEF_TEST(ImageGenerator, reporter) {
MyImageGenerator ig;
SkISize sizes[3];
sizes[0] = SkISize::Make(200, 200);
sizes[1] = SkISize::Make(100, 100);
sizes[2] = SkISize::Make( 50, 50);
void* planes[3] = { nullptr };
size_t rowBytes[3] = { 0 };
SkYUVColorSpace colorSpace;
// Check that the YUV decoding API does not cause any crashes
ig.getYUV8Planes(sizes, nullptr, nullptr, &colorSpace);
ig.getYUV8Planes(sizes, nullptr, nullptr, nullptr);
ig.getYUV8Planes(sizes, planes, nullptr, nullptr);
ig.getYUV8Planes(sizes, nullptr, rowBytes, nullptr);
ig.getYUV8Planes(sizes, planes, rowBytes, nullptr);
ig.getYUV8Planes(sizes, planes, rowBytes, &colorSpace);
int dummy;
planes[0] = planes[1] = planes[2] = &dummy;
rowBytes[0] = rowBytes[1] = rowBytes[2] = 250;
ig.getYUV8Planes(sizes, planes, rowBytes, &colorSpace);
test_imagegenerator_factory(reporter);
}