skia2/tests/PixelRefTest.cpp
Mike Klein 1d1165ca65 Revert "clean up (partially) colortable api"
This reverts commit 2e491a6a11.

Reason for revert: Windows unit tests failing?

Original change's description:
> clean up (partially) colortable api
> 
> Needs this to land: https://codereview.chromium.org/2789853002/
> 
> Bug: skia:
> Change-Id: I38d916a546b7fa64d000d973e695ddda24a589e7
> Reviewed-on: https://skia-review.googlesource.com/10600
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Matt Sarett <msarett@google.com>
> 

TBR=msarett@google.com,scroggo@google.com,reed@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I626e7edfcea82576a440dcaa851a04cedee6233f
Reviewed-on: https://skia-review.googlesource.com/10966
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
2017-03-31 16:45:09 +00:00

105 lines
3.3 KiB
C++

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