db74f62c7a
This reverts commit 11e833d91b.
BUG=skia:
TBR=
Review URL: https://codereview.chromium.org/1159183003
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Test.h"
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#include "SkMallocPixelRef.h"
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#include "SkPixelRef.h"
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static void decrement_counter_proc(void* pixels, void* ctx) {
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int* counter = (int*)ctx;
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*counter -= 1;
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}
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static void test_dont_leak_install(skiatest::Reporter* reporter) {
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bool success;
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int release_counter;
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SkImageInfo info;
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SkBitmap bm;
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info = SkImageInfo::MakeN32Premul(0, 0);
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release_counter = 1;
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success = bm.installPixels(info, NULL, 0, NULL, decrement_counter_proc, &release_counter);
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REPORTER_ASSERT(reporter, true == success);
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bm.reset();
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REPORTER_ASSERT(reporter, 0 == release_counter);
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info = SkImageInfo::MakeN32Premul(10, 10);
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release_counter = 1;
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success = bm.installPixels(info, NULL, 0, NULL, decrement_counter_proc, &release_counter);
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REPORTER_ASSERT(reporter, true == success);
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bm.reset();
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REPORTER_ASSERT(reporter, 0 == release_counter);
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info = SkImageInfo::MakeN32Premul(-10, -10);
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release_counter = 1;
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success = bm.installPixels(info, NULL, 0, NULL, decrement_counter_proc, &release_counter);
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REPORTER_ASSERT(reporter, false == success);
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bm.reset();
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REPORTER_ASSERT(reporter, 0 == release_counter);
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}
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static void test_install(skiatest::Reporter* reporter) {
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bool success;
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SkImageInfo info = SkImageInfo::MakeN32Premul(0, 0);
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SkBitmap bm;
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// make sure we don't assert on an empty install
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success = bm.installPixels(info, NULL, 0);
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REPORTER_ASSERT(reporter, success);
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// no pixels should be the same as setInfo()
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info = SkImageInfo::MakeN32Premul(10, 10);
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success = bm.installPixels(info, NULL, 0);
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REPORTER_ASSERT(reporter, success);
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}
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class TestListener : public SkPixelRef::GenIDChangeListener {
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public:
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explicit TestListener(int* ptr) : fPtr(ptr) {}
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void onChange() override { (*fPtr)++; }
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private:
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int* fPtr;
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};
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DEF_TEST(PixelRef_GenIDChange, r) {
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SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10);
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SkAutoTUnref<SkPixelRef> pixelRef(SkMallocPixelRef::NewAllocate(info, 0, NULL));
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// Register a listener.
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int count = 0;
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pixelRef->addGenIDChangeListener(SkNEW_ARGS(TestListener, (&count)));
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REPORTER_ASSERT(r, 0 == count);
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// No one has looked at our pixelRef's generation ID, so invalidating it doesn't make sense.
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// (An SkPixelRef tree falls in the forest but there's nobody around to hear it. Do we care?)
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pixelRef->notifyPixelsChanged();
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REPORTER_ASSERT(r, 0 == count);
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// Force the generation ID to be calculated.
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REPORTER_ASSERT(r, 0 != pixelRef->getGenerationID());
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// Our listener was dropped in the first call to notifyPixelsChanged(). This is a no-op.
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pixelRef->notifyPixelsChanged();
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REPORTER_ASSERT(r, 0 == count);
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// Force the generation ID to be recalculated, then add a listener.
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REPORTER_ASSERT(r, 0 != pixelRef->getGenerationID());
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pixelRef->addGenIDChangeListener(SkNEW_ARGS(TestListener, (&count)));
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pixelRef->notifyPixelsChanged();
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REPORTER_ASSERT(r, 1 == count);
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// Quick check that NULL is safe.
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REPORTER_ASSERT(r, 0 != pixelRef->getGenerationID());
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pixelRef->addGenIDChangeListener(NULL);
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pixelRef->notifyPixelsChanged();
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test_install(r);
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test_dont_leak_install(r);
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}
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