8f6884aab8
Initially this was to make sure Test.h appeared after the Sk*.h includes. Patch generated by the following command line: $ ~/chromium/src/tools/sort-headers.py tests/*.cpp BUG=None TEST=tests R=robertphillips@google.com Review URL: https://codereview.chromium.org/145313004 git-svn-id: http://skia.googlecode.com/svn/trunk@13177 2bbb7eff-a529-9590-31e7-b0007b416f81
125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
/*
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* Copyright 2013 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 "SkDiscardableMemory.h"
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#include "SkScaledImageCache.h"
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#include "Test.h"
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static void make_bm(SkBitmap* bm, int w, int h) {
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bm->setConfig(SkBitmap::kARGB_8888_Config, w, h);
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bm->allocPixels();
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}
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static const int COUNT = 10;
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static const int DIM = 256;
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static void test_cache(skiatest::Reporter* reporter, SkScaledImageCache& cache,
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bool testPurge) {
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SkScaledImageCache::ID* id;
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SkBitmap bm[COUNT];
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const SkScalar scale = 2;
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for (int i = 0; i < COUNT; ++i) {
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make_bm(&bm[i], DIM, DIM);
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}
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for (int i = 0; i < COUNT; ++i) {
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SkBitmap tmp;
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SkScaledImageCache::ID* id = cache.findAndLock(bm[i], scale, scale, &tmp);
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REPORTER_ASSERT(reporter, NULL == id);
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make_bm(&tmp, DIM, DIM);
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id = cache.addAndLock(bm[i], scale, scale, tmp);
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REPORTER_ASSERT(reporter, NULL != id);
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SkBitmap tmp2;
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SkScaledImageCache::ID* id2 = cache.findAndLock(bm[i], scale, scale,
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&tmp2);
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REPORTER_ASSERT(reporter, id == id2);
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REPORTER_ASSERT(reporter, tmp.pixelRef() == tmp2.pixelRef());
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REPORTER_ASSERT(reporter, tmp.width() == tmp2.width());
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REPORTER_ASSERT(reporter, tmp.height() == tmp2.height());
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cache.unlock(id2);
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cache.unlock(id);
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}
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if (testPurge) {
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// stress test, should trigger purges
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float incScale = 2;
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for (size_t i = 0; i < COUNT * 100; ++i) {
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incScale += 1;
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SkBitmap tmp;
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make_bm(&tmp, DIM, DIM);
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SkScaledImageCache::ID* id = cache.addAndLock(bm[0], incScale,
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incScale, tmp);
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REPORTER_ASSERT(reporter, NULL != id);
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cache.unlock(id);
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}
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}
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// test the originals after all that purging
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for (int i = 0; i < COUNT; ++i) {
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SkBitmap tmp;
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id = cache.findAndLock(bm[i], scale, scale, &tmp);
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if (id) {
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cache.unlock(id);
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}
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}
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cache.setByteLimit(0);
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}
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#include "SkDiscardableMemoryPool.h"
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static SkDiscardableMemoryPool* gPool;
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static SkDiscardableMemory* pool_factory(size_t bytes) {
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return gPool->create(bytes);
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}
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DEF_TEST(ImageCache, reporter) {
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static const size_t defLimit = DIM * DIM * 4 * COUNT + 1024; // 1K slop
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{
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SkScaledImageCache cache(defLimit);
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test_cache(reporter, cache, true);
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}
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{
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SkDiscardableMemoryPool pool(defLimit);
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gPool = &pool;
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SkScaledImageCache cache(pool_factory);
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test_cache(reporter, cache, true);
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}
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{
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SkScaledImageCache cache(SkDiscardableMemory::Create);
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test_cache(reporter, cache, false);
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}
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}
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DEF_TEST(ImageCache_doubleAdd, r) {
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// Adding the same key twice should be safe.
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SkScaledImageCache cache(1024);
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SkBitmap original;
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original.setConfig(SkBitmap::kARGB_8888_Config, 40, 40);
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original.allocPixels();
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SkBitmap scaled;
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scaled.setConfig(SkBitmap::kARGB_8888_Config, 20, 20);
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scaled.allocPixels();
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SkScaledImageCache::ID* id1 = cache.addAndLock(original, 0.5f, 0.5f, scaled);
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SkScaledImageCache::ID* id2 = cache.addAndLock(original, 0.5f, 0.5f, scaled);
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// We don't really care if id1 == id2 as long as unlocking both works.
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cache.unlock(id1);
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cache.unlock(id2);
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}
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