Bug 1341490: Remove bitrotting disabled layer gtest. r=nical

MozReview-Commit-ID: 9vZ4lZWgxi0

--HG--
extra : rebase_source : 47ce860c39d61939c55a74952cc94b84a27398df

gfx/tests/gtest/TestTiledLayerBuffer.cpp

@@ -1,64 +0,0 @@
-/* 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);
-          // }
-
-        }
-      }
-    }
-  }
-}
-
-}
-}

gfx/tests/gtest/moz.build

@@ -28,8 +28,6 @@ UNIFIED_SOURCES += [
     'TestTextureCompatibility.cpp',
     'TestTextures.cpp',
     'TestTreeTraversal.cpp',
-    # Bug 1179287 - PGO bustage on Linux
-    #'TestTiledLayerBuffer.cpp',
     'TestVsync.cpp',
 ]