gecko-dev/gfx/tests/gtest/TestTiledLayerBuffer.cpp

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/* vim:set ts=2 sw=2 sts=2 et: */
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
#include "TiledLayerBuffer.h"
#include "gtest/gtest.h"
namespace mozilla {
namespace layers {
struct TestTiledLayerTile {
int value;
TestTiledLayerTile(int v = 0) {
value = v;
}
bool operator== (const TestTiledLayerTile& o) const {
return value == o.value;
}
bool operator!= (const TestTiledLayerTile& o) const {
return value != o.value;
}
};
class TestTiledLayerBuffer : public TiledLayerBuffer<TestTiledLayerBuffer, TestTiledLayerTile>
{
friend class TiledLayerBuffer<TestTiledLayerBuffer, TestTiledLayerTile>;
public:
TestTiledLayerTile GetPlaceholderTile() const {
return TestTiledLayerTile(-1);
}
TestTiledLayerTile ValidateTile(TestTiledLayerTile aTile, const nsIntPoint& aTileOrigin, const nsIntRegion& aDirtyRect) {
return TestTiledLayerTile();
}
void ReleaseTile(TestTiledLayerTile aTile)
{
}
void SwapTiles(TestTiledLayerTile& aTileA, TestTiledLayerTile& aTileB)
{
TestTiledLayerTile oldTileA = aTileA;
aTileA = aTileB;
aTileB = oldTileA;
}
void TestUpdate(const nsIntRegion& aNewValidRegion, const nsIntRegion& aPaintRegion)
{
Update(aNewValidRegion, aPaintRegion);
}
};
TEST(TiledLayerBuffer, TileConstructor) {
TestTiledLayerBuffer buffer;
}
TEST(TiledLayerBuffer, TileStart) {
TestTiledLayerBuffer buffer;
ASSERT_EQ(buffer.RoundDownToTileEdge(10), 0);
ASSERT_EQ(buffer.RoundDownToTileEdge(-10), -256);
}
TEST(TiledLayerBuffer, EmptyUpdate) {
TestTiledLayerBuffer buffer;
nsIntRegion validRegion(nsIntRect(0, 0, 10, 10));
buffer.TestUpdate(validRegion, validRegion);
ASSERT_EQ(buffer.GetValidRegion(), validRegion);
}
}
}