5b39f5ba9c
git-svn-id: http://skia.googlecode.com/svn/trunk@12427 2bbb7eff-a529-9590-31e7-b0007b416f81
66 lines
1.8 KiB
C++
66 lines
1.8 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 "Test.h"
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#include "SkScaledImageCache.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 void TestImageCache(skiatest::Reporter* reporter) {
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static const int COUNT = 10;
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static const int DIM = 256;
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static const size_t defLimit = DIM * DIM * 4 * COUNT + 1024; // 1K slop
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SkScaledImageCache cache(defLimit);
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SkScaledImageCache::ID* id;
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SkBitmap bm[COUNT];
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SkScalar scale = 2;
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for (int i = 0; i < COUNT; ++i) {
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SkBitmap tmp;
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make_bm(&bm[i], DIM, DIM);
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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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// stress test, should trigger purges
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for (size_t i = 0; i < COUNT * 100; ++i) {
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scale += 1;
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SkBitmap tmp;
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make_bm(&tmp, DIM, DIM);
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id = cache.addAndLock(bm[0], scale, scale, 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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cache.setByteLimit(0);
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("ImageCache", TestImageCacheClass, TestImageCache)
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