Rename ScaledImageCache.cpp to SkResourceCacheTest.cpp

tests/ScaledImageCache.cpp

-/*
- * Copyright 2014 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 "SkCanvas.h"
-#include "SkGraphics.h"
-#include "SkBitmapCache.h"
-
-static const int kCanvasSize = 1;
-static const int kBitmapSize = 16;
-static const int kScale = 8;
-
-static bool is_in_scaled_image_cache(const SkBitmap& orig,
-                                     SkScalar xScale,
-                                     SkScalar yScale) {
-    SkBitmap scaled;
-    float roundedImageWidth = SkScalarRoundToScalar(orig.width() * xScale);
-    float roundedImageHeight = SkScalarRoundToScalar(orig.height() * xScale);
-    return SkBitmapCache::Find(orig, roundedImageWidth, roundedImageHeight, &scaled);
-}
-
-// Draw a scaled bitmap, then return true iff it has been cached.
-static bool test_scaled_image_cache_useage() {
-    SkAutoTUnref<SkCanvas> canvas(
-            SkCanvas::NewRasterN32(kCanvasSize, kCanvasSize));
-    SkBitmap bitmap;
-    SkAssertResult(bitmap.allocN32Pixels(kBitmapSize, kBitmapSize));
-    bitmap.eraseColor(0xFFFFFFFF);
-    SkScalar scale = SkIntToScalar(kScale);
-    SkScalar scaledSize = SkIntToScalar(kBitmapSize) * scale;
-    canvas->clipRect(SkRect::MakeLTRB(0, 0, scaledSize, scaledSize));
-    SkPaint paint;
-    paint.setFilterLevel(SkPaint::kHigh_FilterLevel);
-
-    canvas->drawBitmapRect(bitmap,
-                           SkRect::MakeLTRB(0, 0, scaledSize, scaledSize),
-                           &paint);
-
-    return is_in_scaled_image_cache(bitmap, scale, scale);
-}
-
-// http://crbug.com/389439
-DEF_TEST(ResourceCache_SingleAllocationByteLimit, reporter) {
-    size_t originalByteLimit = SkGraphics::GetResourceCacheTotalByteLimit();
-    size_t originalAllocationLimit =
-        SkGraphics::GetResourceCacheSingleAllocationByteLimit();
-
-    size_t size = kBitmapSize * kScale * kBitmapSize * kScale
-        * SkColorTypeBytesPerPixel(kN32_SkColorType);
-
-    SkGraphics::SetResourceCacheTotalByteLimit(0);  // clear cache
-    SkGraphics::SetResourceCacheTotalByteLimit(2 * size);
-    SkGraphics::SetResourceCacheSingleAllocationByteLimit(0);  // No limit
-
-    REPORTER_ASSERT(reporter, test_scaled_image_cache_useage());
-
-    SkGraphics::SetResourceCacheTotalByteLimit(0);  // clear cache
-    SkGraphics::SetResourceCacheTotalByteLimit(2 * size);
-    SkGraphics::SetResourceCacheSingleAllocationByteLimit(size * 2);  // big enough
-
-    REPORTER_ASSERT(reporter, test_scaled_image_cache_useage());
-
-    SkGraphics::SetResourceCacheTotalByteLimit(0);  // clear cache
-    SkGraphics::SetResourceCacheTotalByteLimit(2 * size);
-    SkGraphics::SetResourceCacheSingleAllocationByteLimit(size / 2);  // too small
-
-    REPORTER_ASSERT(reporter, !test_scaled_image_cache_useage());
-
-    SkGraphics::SetResourceCacheSingleAllocationByteLimit(originalAllocationLimit);
-    SkGraphics::SetResourceCacheTotalByteLimit(originalByteLimit);
-}