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Unified Diff: cc/resources/picture_pile_unittest.cc

Issue 494503002: Expose IsSolidColor and write units tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fixed Vmpstr's issues Created 6 years, 4 months ago
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Index: cc/resources/picture_pile_unittest.cc
diff --git a/cc/resources/picture_pile_unittest.cc b/cc/resources/picture_pile_unittest.cc
index 31e0a2a32f638eeb77b907142139dacbeb36f6eb..39a32376aebbf364dfcc8aa59db9e2fcd9e0a581 100644
--- a/cc/resources/picture_pile_unittest.cc
+++ b/cc/resources/picture_pile_unittest.cc
@@ -39,13 +39,16 @@ class TestPicturePile : public PicturePile {
class PicturePileTest : public testing::Test {
public:
PicturePileTest()
- : pile_(new TestPicturePile()),
- background_color_(SK_ColorBLUE),
+ : background_color_(SK_ColorBLUE),
min_scale_(0.125),
frame_number_(0),
- contents_opaque_(false) {
+ contents_opaque_(false) {}
+
+ virtual void SetUp() OVERRIDE {
+ pile_ = make_scoped_refptr(new TestPicturePile());
pile_->SetTileGridSize(gfx::Size(1000, 1000));
pile_->SetMinContentsScale(min_scale_);
+ client_ = FakeContentLayerClient();
SetTilingSize(pile_->tiling().max_texture_size());
}
@@ -1003,5 +1006,51 @@ TEST_F(PicturePileTest, SmallResizePileInsideInterestRect) {
invalidation.Clear();
}
+TEST_F(PicturePileTest, SolidRectangleIsSolid) {
+ // If the client has no contents, the solid state will be true
+ Region invalidation1(tiling_rect());
+ UpdateAndExpandInvalidation(&invalidation1, tiling_size(), tiling_rect());
+ EXPECT_TRUE(pile_->IsSolidColor());
+ EXPECT_EQ(SK_ColorTRANSPARENT, pile_->GetSolidColor());
+
+ // If there is a single rect that covers the view, the solid
+ // state will be true
+ SkPaint paint;
+ paint.setColor(SK_ColorCYAN);
+ client_.add_draw_rect(tiling_rect(), paint);
+ Region invalidation2(tiling_rect());
+ UpdateAndExpandInvalidation(&invalidation2, tiling_size(), tiling_rect());
+ EXPECT_TRUE(pile_->IsSolidColor());
+ EXPECT_EQ(SK_ColorCYAN, pile_->GetSolidColor());
+
+ // if a second smaller rect is draw that doesn't cover the viewport
+ // completely, the solid state will be false
+ gfx::Rect smallRect = tiling_rect();
+ smallRect.Inset(10, 10, 10, 10);
+ client_.add_draw_rect(smallRect, paint);
+ Region invalidation3(tiling_rect());
+ UpdateAndExpandInvalidation(&invalidation3, tiling_size(), tiling_rect());
+ EXPECT_FALSE(pile_->IsSolidColor());
+
+ // if a third rect is drawn over everything, we should be solid again
+ paint.setColor(SK_ColorRED);
+ client_.add_draw_rect(tiling_rect(), paint);
+ Region invalidation4(tiling_rect());
+ UpdateAndExpandInvalidation(&invalidation4, tiling_size(), tiling_rect());
+ EXPECT_TRUE(pile_->IsSolidColor());
+ EXPECT_EQ(SK_ColorRED, pile_->GetSolidColor());
+
+ // but if we draw too many, we don't bother doing the analysis and we should
+ // no longer be in a solid state
+ client_.add_draw_rect(tiling_rect(), paint);
+ client_.add_draw_rect(tiling_rect(), paint);
+ client_.add_draw_rect(tiling_rect(), paint);
+ client_.add_draw_rect(tiling_rect(), paint);
+ client_.add_draw_rect(tiling_rect(), paint);
vmpstr 2014/08/20 16:12:00 I only count 8 draw commands, the limit is 10. Did
hendrikw 2014/08/20 20:46:55 I've added a comment.
+ Region invalidation5(tiling_rect());
+ UpdateAndExpandInvalidation(&invalidation5, tiling_size(), tiling_rect());
+ EXPECT_FALSE(pile_->IsSolidColor());
+}
+
} // namespace
} // namespace cc
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