blob: fcd09d4585404e86673588c07c058b4aafb23b67 [file] [log] [blame]
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/test/layer_test_common.h"
#include "cc/base/math_util.h"
#include "cc/base/region.h"
#include "cc/quads/draw_quad.h"
#include "cc/quads/render_pass.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/point_conversions.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/rect_conversions.h"
#include "ui/gfx/size_conversions.h"
namespace cc {
// Align with expected and actual output.
const char* LayerTestCommon::quad_string = " Quad: ";
static bool CanRectFBeSafelyRoundedToRect(gfx::RectF r) {
// Ensure that range of float values is not beyond integer range.
if (!r.IsExpressibleAsRect())
return false;
// Ensure that the values are actually integers.
if (gfx::ToFlooredPoint(r.origin()) == r.origin() &&
gfx::ToFlooredSize(r.size()) == r.size())
return true;
return false;
void LayerTestCommon::VerifyQuadsExactlyCoverRect(const cc::QuadList& quads,
gfx::Rect rect) {
cc::Region remaining = rect;
for (size_t i = 0; i < quads.size(); ++i) {
cc::DrawQuad* quad = quads[i];
gfx::RectF quad_rectf =
// Before testing for exact coverage in the integer world, assert that
// rounding will not round the rect incorrectly.
gfx::Rect quad_rect = gfx::ToEnclosingRect(quad_rectf);
EXPECT_TRUE(rect.Contains(quad_rect)) << quad_string << i;
EXPECT_TRUE(remaining.Contains(quad_rect)) << quad_string << i;
} // namespace cc