Refactor to remove need for infiniteIntRect when computing rects in pre-paint

third_party/WebKit/Source/platform/graphics/paint/FloatClipRectTest.cpp

+// Copyright 2017 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 "platform/graphics/paint/FloatClipRect.h"
+
+#include "platform/geometry/FloatRect.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+class FloatClipRectTest : public ::testing::Test {
+ public:
+};
+
+TEST_F(FloatClipRectTest, InfinitRect) {
+  FloatClipRect rect;
+  EXPECT_TRUE(rect.isInfinite());
+
+  FloatClipRect rect2((FloatRect(1, 2, 3, 4)));
+  EXPECT_FALSE(rect2.isInfinite());
+}
+
+TEST_F(FloatClipRectTest, MoveBy) {
+  FloatClipRect rect;
+  rect.moveBy(FloatPoint(1, 2));
+  EXPECT_EQ(rect.rect(), FloatClipRect().rect());
+}
+
+TEST_F(FloatClipRectTest, SetRect) {
+  FloatClipRect rect;
+  rect.setRect(FloatRect(1, 2, 3, 4));
+  EXPECT_FALSE(rect.isInfinite());
+  EXPECT_EQ(FloatRect(1, 2, 3, 4), rect.rect());
+}
+
+TEST_F(FloatClipRectTest, SetHasRadius) {
+  FloatClipRect rect;
+  rect.setHasRadius();
+  EXPECT_FALSE(rect.isInfinite());
+  EXPECT_TRUE(rect.hasRadius());
+}
+
+}  // namespace blink