1 // Copyright 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "cc/resources/tile_priority.h"
6
7 #include "testing/gtest/include/gtest/gtest.h"
8
9 namespace cc {
10 namespace {
11
TEST(TilePriorityTest,TimeForBoundsToIntersectWithScroll)12 TEST(TilePriorityTest, TimeForBoundsToIntersectWithScroll) {
13 const float inf = std::numeric_limits<float>::infinity();
14 gfx::Rect target(0, 0, 800, 600);
15 gfx::Rect current(100, 100, 100, 100);
16 EXPECT_EQ(0, TilePriority::TimeForBoundsToIntersect(
17 gfx::Rect(-200, 0, 100, 100), current, 1, target));
18 EXPECT_EQ(0, TilePriority::TimeForBoundsToIntersect(
19 gfx::Rect(-100, 0, 100, 100), current, 1, target));
20 EXPECT_EQ(0, TilePriority::TimeForBoundsToIntersect(
21 gfx::Rect(400, 400, 100, 100), current, 1, target));
22
23 current = gfx::Rect(-300, -300, 100, 100);
24 EXPECT_EQ(inf, TilePriority::TimeForBoundsToIntersect(
25 gfx::Rect(0, 0, 100, 100), current, 1, target));
26 EXPECT_EQ(inf, TilePriority::TimeForBoundsToIntersect(
27 gfx::Rect(-200, -200, 100, 100), current, 1, target));
28 EXPECT_EQ(2, TilePriority::TimeForBoundsToIntersect(
29 gfx::Rect(-400, -400, 100, 100), current, 1, target));
30 }
31
TEST(TilePriorityTest,TimeForBoundsToIntersectWithScale)32 TEST(TilePriorityTest, TimeForBoundsToIntersectWithScale) {
33 const float inf = std::numeric_limits<float>::infinity();
34 gfx::Rect target(0, 0, 800, 600);
35 gfx::Rect current(100, 100, 100, 100);
36 EXPECT_EQ(0, TilePriority::TimeForBoundsToIntersect(
37 gfx::Rect(-200, 0, 200, 200), current, 1, target));
38 EXPECT_EQ(0, TilePriority::TimeForBoundsToIntersect(
39 gfx::Rect(-100, 0, 50, 50), current, 1, target));
40 EXPECT_EQ(0, TilePriority::TimeForBoundsToIntersect(
41 gfx::Rect(400, 400, 400, 400), current, 1, target));
42
43 current = gfx::Rect(-300, -300, 100, 100);
44 EXPECT_EQ(inf, TilePriority::TimeForBoundsToIntersect(
45 gfx::Rect(-400, -400, 300, 300), current, 1, target));
46 EXPECT_EQ(8, TilePriority::TimeForBoundsToIntersect(
47 gfx::Rect(-275, -275, 50, 50), current, 1, target));
48 EXPECT_EQ(1, TilePriority::TimeForBoundsToIntersect(
49 gfx::Rect(-450, -450, 50, 50), current, 1, target));
50 }
51
52 } // namespace
53 } // namespace cc
54