The Tor Browser: gfx/tests/gtest/TestTiledLayerBuffer.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* vim:set ts=2 sw=2 sts=2 et: */

     2 /* Any copyright is dedicated to the Public Domain.

     3  * http://creativecommons.org/publicdomain/zero/1.0/

     4  */

     6 #include "TiledLayerBuffer.h"

     8 #include "gtest/gtest.h"

    10 namespace mozilla {

    11 namespace layers {

    13 struct TestTiledLayerTile {

    14   int value;

    15   TestTiledLayerTile(int v = 0) {

    16     value = v;

    17   }

    18   bool operator== (const TestTiledLayerTile& o) const {

    19     return value == o.value;

    20   }

    21   bool operator!= (const TestTiledLayerTile& o) const {

    22     return value != o.value;

    23   }

    24 };

    26 class TestTiledLayerBuffer : public TiledLayerBuffer<TestTiledLayerBuffer, TestTiledLayerTile>

    27 {

    28   friend class TiledLayerBuffer<TestTiledLayerBuffer, TestTiledLayerTile>;

    30 public:

    31   TestTiledLayerTile GetPlaceholderTile() const {

    32     return TestTiledLayerTile(-1);

    33   }

    35   TestTiledLayerTile ValidateTile(TestTiledLayerTile aTile, const nsIntPoint& aTileOrigin, const nsIntRegion& aDirtyRect) {

    36     return TestTiledLayerTile();

    37   }

    39   void ReleaseTile(TestTiledLayerTile aTile)

    40   {

    42   }

    44   void SwapTiles(TestTiledLayerTile& aTileA, TestTiledLayerTile& aTileB)

    45   {

    46     TestTiledLayerTile oldTileA = aTileA;

    47     aTileA = aTileB;

    48     aTileB = oldTileA;

    49   }

    51   void TestUpdate(const nsIntRegion& aNewValidRegion, const nsIntRegion& aPaintRegion)

    52   {

    53     Update(aNewValidRegion, aPaintRegion);

    54   }

    55 };

    57 TEST(TiledLayerBuffer, TileConstructor) {

    58   TestTiledLayerBuffer buffer;

    59 }

    61 TEST(TiledLayerBuffer, TileStart) {

    62   TestTiledLayerBuffer buffer;

    64   ASSERT_EQ(buffer.RoundDownToTileEdge(10, 256), 0);

    65   ASSERT_EQ(buffer.RoundDownToTileEdge(-10, 256), -256);

    66 }

    68 TEST(TiledLayerBuffer, EmptyUpdate) {

    69   TestTiledLayerBuffer buffer;

    71   nsIntRegion validRegion(nsIntRect(0, 0, 10, 10));

    72   buffer.TestUpdate(validRegion, validRegion);

    74   ASSERT_EQ(buffer.GetValidRegion(), validRegion);

    75 }

    77 }

    78 }

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