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raster_cache_unittests.cc
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raster_cache_unittests.cc
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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/flow/raster_cache.h"
#include "gtest/gtest.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "third_party/skia/include/core/SkPictureRecorder.h"
sk_sp<SkPicture> GetSamplePicture() {
SkPictureRecorder recorder;
recorder.beginRecording(SkRect::MakeWH(150, 100));
SkPaint paint;
paint.setColor(SK_ColorRED);
recorder.getRecordingCanvas()->drawRect(SkRect::MakeXYWH(10, 10, 80, 80),
paint);
return recorder.finishRecordingAsPicture();
}
TEST(RasterCache, SimpleInitialization) {
flutter::RasterCache cache;
ASSERT_TRUE(true);
}
TEST(RasterCache, ThresholdIsRespected) {
size_t threshold = 3;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto picture = GetSamplePicture();
sk_sp<SkImage> image;
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 1
cache.SweepAfterFrame();
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 2
cache.SweepAfterFrame();
ASSERT_TRUE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 3
cache.SweepAfterFrame();
}
TEST(RasterCache, ThresholdIsRespectedWhenZero) {
size_t threshold = 0;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto picture = GetSamplePicture();
sk_sp<SkImage> image;
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 1
cache.SweepAfterFrame();
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 2
cache.SweepAfterFrame();
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 3
cache.SweepAfterFrame();
}
TEST(RasterCache, SweepsRemoveUnusedFrames) {
size_t threshold = 3;
flutter::RasterCache cache(threshold);
SkMatrix matrix = SkMatrix::I();
auto picture = GetSamplePicture();
sk_sp<SkImage> image;
sk_sp<SkColorSpace> srgb = SkColorSpace::MakeSRGB();
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 1
cache.SweepAfterFrame();
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 2
cache.SweepAfterFrame();
ASSERT_TRUE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 3
cache.SweepAfterFrame();
ASSERT_TRUE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 4
cache.SweepAfterFrame();
cache.SweepAfterFrame(); // Extra frame without a preroll image access.
ASSERT_FALSE(cache.Prepare(NULL, picture.get(), matrix, srgb.get(), true,
false)); // 5
}