blob: 2471e2620742134de1ba462945d35cd2599cb2a0 [file] [log] [blame]
// Copyright (c) 2013 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 "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/skia_util.h"
namespace gfx {
TEST(RectTest, SkiaRectConversions) {
Rect isrc(10, 20, 30, 40);
RectF fsrc(10.5f, 20.5f, 30.5f, 40.5f);
SkIRect skirect = RectToSkIRect(isrc);
EXPECT_EQ(isrc.ToString(), SkIRectToRect(skirect).ToString());
SkRect skrect = RectToSkRect(isrc);
EXPECT_EQ(gfx::RectF(isrc).ToString(), SkRectToRectF(skrect).ToString());
skrect = RectFToSkRect(fsrc);
EXPECT_EQ(fsrc.ToString(), SkRectToRectF(skrect).ToString());
TEST(RectTest, SkIRectToRectClamping) {
// This clamping only makes sense if SkIRect and gfx::Rect have the same size.
// Otherwise, either other overflows can occur that we don't handle, or no
// overflows can ocur.
if (sizeof(int) != sizeof(int32_t))
using Limits = std::numeric_limits<int>;
// right-left and bottom-top would overflow.
// These should be mapped to max width/height, which is as close as gfx::Rect
// can represent.
Rect result = SkIRectToRect(SkIRect::MakeLTRB(Limits::min(), Limits::min(),
Limits::max(), Limits::max()));
EXPECT_EQ(gfx::Size(Limits::max(), Limits::max()), result.size());
// right-left and bottom-top would underflow.
// These should be mapped to zero, like all negative values.
result = SkIRectToRect(SkIRect::MakeLTRB(Limits::max(), Limits::max(),
Limits::min(), Limits::min()));
EXPECT_EQ(gfx::Rect(Limits::max(), Limits::max(), 0, 0), result);
} // namespace gfx