diff options
Diffstat (limited to 'tests/SkResourceCacheTest.cpp')
-rw-r--r-- | tests/SkResourceCacheTest.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/SkResourceCacheTest.cpp b/tests/SkResourceCacheTest.cpp index b660890e87..20c3f7f0a0 100644 --- a/tests/SkResourceCacheTest.cpp +++ b/tests/SkResourceCacheTest.cpp @@ -8,6 +8,7 @@ #include "SkCanvas.h" #include "SkGraphics.h" #include "SkBitmapCache.h" +#include "SkDiscardableMemoryPool.h" static const int kCanvasSize = 1; static const int kBitmapSize = 16; @@ -109,4 +110,36 @@ DEF_TEST(BitmapCache_add_rect, reporter) { // Should be in the cache, we just added it REPORTER_ASSERT(reporter, SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); } + +DEF_TEST(BitmapCache_discarded_bitmap, reporter) { + SkBitmap bm; + SkIRect rect = SkIRect::MakeWH(5, 5); + SkBitmap cachedBitmap = createAllocatedBitmap(SkImageInfo::MakeN32Premul(5, 5)); + cachedBitmap.setImmutable(); + cachedBitmap.unlockPixels(); + + // Add a bitmap to the cache. + REPORTER_ASSERT(reporter, SkBitmapCache::Add(cachedBitmap.getGenerationID(), rect, cachedBitmap)); + REPORTER_ASSERT(reporter, SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); + + // Finding more than once works fine. + REPORTER_ASSERT(reporter, SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); + bm.unlockPixels(); + + // Drop the pixels in the bitmap. + REPORTER_ASSERT(reporter, SkGetGlobalDiscardableMemoryPool()->getRAMUsed() > 0); + SkGetGlobalDiscardableMemoryPool()->dumpPool(); + REPORTER_ASSERT(reporter, SkGetGlobalDiscardableMemoryPool()->getRAMUsed() == 0); + + // The bitmap is not in the cache since it has been dropped. + REPORTER_ASSERT(reporter, !SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); + + cachedBitmap = createAllocatedBitmap(SkImageInfo::MakeN32Premul(5, 5)); + cachedBitmap.setImmutable(); + cachedBitmap.unlockPixels(); + + // We can add the bitmap back to the cache and find it again. + REPORTER_ASSERT(reporter, SkBitmapCache::Add(cachedBitmap.getGenerationID(), rect, cachedBitmap)); + REPORTER_ASSERT(reporter, SkBitmapCache::Find(cachedBitmap.getGenerationID(), rect, &bm)); +} #endif |