| /* |
| * Copyright 2013 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 "SkScaledImageCache.h" |
| |
| static void make_bm(SkBitmap* bm, int w, int h) { |
| bm->setConfig(SkBitmap::kARGB_8888_Config, w, h); |
| bm->allocPixels(); |
| } |
| |
| static void TestImageCache(skiatest::Reporter* reporter) { |
| static const int COUNT = 10; |
| static const int DIM = 256; |
| static const size_t defLimit = DIM * DIM * 4 * COUNT + 1024; // 1K slop |
| SkScaledImageCache cache(defLimit); |
| SkScaledImageCache::ID* id; |
| |
| SkBitmap bm[COUNT]; |
| |
| SkScalar scale = 2; |
| for (size_t i = 0; i < COUNT; ++i) { |
| SkBitmap tmp; |
| |
| make_bm(&bm[i], DIM, DIM); |
| id = cache.findAndLock(bm[i], scale, scale, &tmp); |
| REPORTER_ASSERT(reporter, NULL == id); |
| |
| make_bm(&tmp, DIM, DIM); |
| id = cache.addAndLock(bm[i], scale, scale, tmp); |
| REPORTER_ASSERT(reporter, NULL != id); |
| |
| SkBitmap tmp2; |
| SkScaledImageCache::ID* id2 = cache.findAndLock(bm[i], scale, scale, |
| &tmp2); |
| REPORTER_ASSERT(reporter, id == id2); |
| REPORTER_ASSERT(reporter, tmp.pixelRef() == tmp2.pixelRef()); |
| REPORTER_ASSERT(reporter, tmp.width() == tmp2.width()); |
| REPORTER_ASSERT(reporter, tmp.height() == tmp2.height()); |
| cache.unlock(id2); |
| |
| cache.unlock(id); |
| } |
| |
| // stress test, should trigger purges |
| for (size_t i = 0; i < COUNT * 100; ++i) { |
| SkBitmap tmp; |
| |
| make_bm(&tmp, DIM, DIM); |
| id = cache.addAndLock(bm[0], scale, scale, tmp); |
| REPORTER_ASSERT(reporter, NULL != id); |
| cache.unlock(id); |
| |
| scale += 1; |
| } |
| |
| cache.setByteLimit(0); |
| } |
| |
| #include "TestClassDef.h" |
| DEFINE_TESTCLASS("ImageCache", TestImageCacheClass, TestImageCache) |