1 // Copyright (c) 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.
5 #include "content/renderer/disambiguation_popup_helper.h"
7 #include "testing/gtest/include/gtest/gtest.h"
8 #include "third_party/WebKit/public/platform/WebRect.h"
9 #include "third_party/WebKit/public/platform/WebVector.h"
10 #include "ui/gfx/geometry/rect.h"
11 #include "ui/gfx/geometry/size.h"
12 #include "ui/gfx/geometry/size_conversions.h"
14 // these constants are copied from the implementation class
16 const float kDisambiguationPopupMaxScale
= 5.0;
17 const float kDisambiguationPopupMinScale
= 2.0;
18 } // unnamed namespace
22 class DisambiguationPopupHelperUnittest
: public testing::Test
{
24 DisambiguationPopupHelperUnittest()
25 : kScreenSize_(640, 480)
26 , kVisibleContentSize_(640, 480)
29 const gfx::Size kScreenSize_
;
30 const gfx::Size kVisibleContentSize_
;
31 const float kImplScale_
;
34 TEST_F(DisambiguationPopupHelperUnittest
, ClipByViewport
) {
35 gfx::Rect
tap_rect(1000, 1000, 10, 10);
36 blink::WebVector
<blink::WebRect
> target_rects(static_cast<size_t>(1));
37 target_rects
[0] = gfx::Rect(-20, -20, 10, 10);
40 float scale
= DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
41 tap_rect
, target_rects
, kScreenSize_
, kVisibleContentSize_
, kImplScale_
,
44 EXPECT_TRUE(gfx::Rect(kVisibleContentSize_
).Contains(zoom_rect
));
45 EXPECT_LE(kDisambiguationPopupMinScale
, scale
);
47 gfx::Size scaled_size
= ToCeiledSize(ScaleSize(zoom_rect
.size(), scale
));
48 EXPECT_TRUE(gfx::Rect(kScreenSize_
).Contains(gfx::Rect(scaled_size
)));
51 TEST_F(DisambiguationPopupHelperUnittest
, MiniTarget
) {
52 gfx::Rect
tap_rect(-5, -5, 20, 20);
53 blink::WebVector
<blink::WebRect
> target_rects(static_cast<size_t>(1));
54 target_rects
[0] = gfx::Rect(10, 10, 1, 1);
57 float scale
= DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
58 tap_rect
, target_rects
, kScreenSize_
, kVisibleContentSize_
, kImplScale_
,
61 EXPECT_TRUE(gfx::Rect(kVisibleContentSize_
).Contains(zoom_rect
));
62 EXPECT_EQ(kDisambiguationPopupMaxScale
, scale
);
63 EXPECT_TRUE(zoom_rect
.Contains(target_rects
[0]));
65 gfx::Size scaled_size
= ToCeiledSize(ScaleSize(zoom_rect
.size(), scale
));
66 EXPECT_TRUE(gfx::Rect(kScreenSize_
).Contains(gfx::Rect(scaled_size
)));
69 TEST_F(DisambiguationPopupHelperUnittest
, LongLinks
) {
70 gfx::Rect
tap_rect(10, 10, 20, 20);
71 blink::WebVector
<blink::WebRect
> target_rects(static_cast<size_t>(2));
72 target_rects
[0] = gfx::Rect(15, 15, 1000, 5);
73 target_rects
[1] = gfx::Rect(15, 25, 1000, 5);
76 float scale
= DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
77 tap_rect
, target_rects
, kScreenSize_
, kVisibleContentSize_
, kImplScale_
,
80 EXPECT_TRUE(gfx::Rect(kVisibleContentSize_
).Contains(zoom_rect
));
81 EXPECT_EQ(kDisambiguationPopupMaxScale
, scale
);
82 EXPECT_TRUE(zoom_rect
.Contains(tap_rect
));
84 gfx::Size scaled_size
= ToCeiledSize(ScaleSize(zoom_rect
.size(), scale
));
85 EXPECT_TRUE(gfx::Rect(kScreenSize_
).Contains(gfx::Rect(scaled_size
)));
88 } // namespace content