diff options
author | junov@chromium.org <junov@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-11-07 17:38:38 +0000 |
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committer | junov@chromium.org <junov@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-11-07 17:38:38 +0000 |
commit | adc58e4f485a24a3f28587bdcd3b90e5cbd09659 (patch) | |
tree | f0f639c69e2070e46ff7c5b17b93c97d9019b60b /tests | |
parent | e3e940cf81dc46d872002ded98c1bd39c2daf1b0 (diff) |
Unit testing for SkTileGrid
Review URL: https://codereview.appspot.com/6827053
git-svn-id: http://skia.googlecode.com/svn/trunk@6331 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'tests')
-rw-r--r-- | tests/TileGridTest.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/TileGridTest.cpp b/tests/TileGridTest.cpp new file mode 100644 index 0000000000..e0c855c4a9 --- /dev/null +++ b/tests/TileGridTest.cpp @@ -0,0 +1,60 @@ + +/* + * Copyright 2012 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "Test.h" +#include "SkTileGrid.h" + +enum Tile { + kTopLeft_Tile = 0x1, + kTopRight_Tile = 0x2, + kBottomLeft_Tile = 0x4, + kBottomRight_Tile = 0x8, + + kAll_Tile = kTopLeft_Tile | kTopRight_Tile | kBottomLeft_Tile | kBottomRight_Tile, +}; + +class TileGridTest { +public: + static void verifyTileHits(skiatest::Reporter* reporter, SkIRect rect, uint32_t tileMask) { + SkTileGrid grid(10, 10, 2, 2); + grid.insert(NULL, rect, false); + REPORTER_ASSERT(reporter, grid.tile(0,0).count() == + ((tileMask & kTopLeft_Tile)? 1 : 0)); + REPORTER_ASSERT(reporter, grid.tile(1,0).count() == + ((tileMask & kTopRight_Tile)? 1 : 0)); + REPORTER_ASSERT(reporter, grid.tile(0,1).count() == + ((tileMask & kBottomLeft_Tile)? 1 : 0)); + REPORTER_ASSERT(reporter, grid.tile(1,1).count() == + ((tileMask & kBottomRight_Tile)? 1 : 0)); + } + + static void Test(skiatest::Reporter* reporter) { + // Out of bounds + verifyTileHits(reporter, SkIRect::MakeXYWH(30, 0, 1, 1), 0); + verifyTileHits(reporter, SkIRect::MakeXYWH(0, 30, 1, 1), 0); + verifyTileHits(reporter, SkIRect::MakeXYWH(-10, 0, 1, 1), 0); + verifyTileHits(reporter, SkIRect::MakeXYWH(0, -10, 1, 1), 0); + + // Dilation for AA consideration + verifyTileHits(reporter, SkIRect::MakeXYWH(0, 0, 8, 8), kTopLeft_Tile); + verifyTileHits(reporter, SkIRect::MakeXYWH(0, 0, 9, 9), kAll_Tile); + verifyTileHits(reporter, SkIRect::MakeXYWH(10, 10, 1, 1), kAll_Tile); + verifyTileHits(reporter, SkIRect::MakeXYWH(11, 11, 1, 1), kBottomRight_Tile); + + // BBoxes that overlap tiles + verifyTileHits(reporter, SkIRect::MakeXYWH(5, 5, 10, 1), kTopLeft_Tile | kTopRight_Tile); + verifyTileHits(reporter, SkIRect::MakeXYWH(5, 5, 1, 10), kTopLeft_Tile | + kBottomLeft_Tile); + verifyTileHits(reporter, SkIRect::MakeXYWH(5, 5, 10, 10), kAll_Tile); + verifyTileHits(reporter, SkIRect::MakeXYWH(-10, -10, 40, 40), kAll_Tile); + } +}; + + +#include "TestClassDef.h" +DEFINE_TESTCLASS("TileGrid", TileGridTestClass, TileGridTest::Test) |