From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- gfx/tests/gtest/TestTiledLayerBuffer.cpp | 64 ++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 gfx/tests/gtest/TestTiledLayerBuffer.cpp (limited to 'gfx/tests/gtest/TestTiledLayerBuffer.cpp') diff --git a/gfx/tests/gtest/TestTiledLayerBuffer.cpp b/gfx/tests/gtest/TestTiledLayerBuffer.cpp new file mode 100644 index 000000000..c5e9b0f41 --- /dev/null +++ b/gfx/tests/gtest/TestTiledLayerBuffer.cpp @@ -0,0 +1,64 @@ +/* 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 { + +TEST(TiledLayerBuffer, TileStart) { + ASSERT_EQ(RoundDownToTileEdge(10, 256), 0); + ASSERT_EQ(RoundDownToTileEdge(-10, 256), -256); +} + +TEST(TiledLayerBuffer, TilesPlacement) { + for (int firstY = -10; firstY < 10; ++firstY) { + for (int firstX = -10; firstX < 10; ++firstX) { + for (int height = 1; height < 10; ++height) { + for (int width = 1; width < 10; ++width) { + + const TilesPlacement p1 = TilesPlacement(firstX, firstY, width, height); + // Check that HasTile returns false with some positions that we know + // not to be in the rectangle of the TilesPlacement. + ASSERT_FALSE(p1.HasTile(TileIntPoint(firstX - 1, 0))); + ASSERT_FALSE(p1.HasTile(TileIntPoint(0, firstY - 1))); + ASSERT_FALSE(p1.HasTile(TileIntPoint(firstX + width + 1, 0))); + ASSERT_FALSE(p1.HasTile(TileIntPoint(0, firstY + height + 1))); + + // Verify that all positions within the rect that defines the + // TilesPlacement map to indices between 0 and width*height. + for (int y = firstY; y < (firstY+height); ++y) { + for (int x = firstX; x < (firstX+width); ++x) { + ASSERT_TRUE(p1.HasTile(TileIntPoint(x,y))); + ASSERT_TRUE(p1.TileIndex(TileIntPoint(x, y)) >= 0); + ASSERT_TRUE(p1.TileIndex(TileIntPoint(x, y)) < width * height); + } + } + + // XXX - This causes some versions of gcc to warn that it optimizes + // away the test, which gets caught in -WError in PGO builds. + // The lazy thing to do is to just comment this out since this specific + // test isn't critically important, but we should remove the warning instead. + // cf. bug 1179287 + // + // Verify that indices map to positions that are within the rect that + // defines the TilesPlacement. + // for (int i = 0; i < width * height; ++i) { + // ASSERT_TRUE(p1.TilePosition(i).x >= firstX); + // ASSERT_TRUE(p1.TilePosition(i).x < firstX + width); + // ASSERT_TRUE(p1.TilePosition(i).y >= firstY); + // ASSERT_TRUE(p1.TilePosition(i).y < firstY + height); + // } + + } + } + } + } +} + +} +} -- cgit v1.2.3