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1 // Copyright (c) 2013 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 #import "chrome/browser/ui/cocoa/nsview_additions.h" | |
6 | |
7 #include "base/mac/scoped_nsobject.h" | |
8 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h" | |
9 #include "testing/gtest/include/gtest/gtest.h" | |
10 #import "testing/gtest_mac.h" | |
11 | |
12 typedef CocoaTest NSViewChromeAdditionsTest; | |
13 | |
14 @interface ParentView : NSView { | |
15 @private | |
16 int removeCount_; | |
17 int addCount_; | |
18 } | |
19 | |
20 @property(readonly, nonatomic) int removeCount; | |
21 @property(readonly, nonatomic) int addCount; | |
22 | |
23 @end | |
24 | |
25 @implementation ParentView | |
26 | |
27 @synthesize removeCount = removeCount_; | |
28 @synthesize addCount = addCount_; | |
29 | |
30 - (void)willRemoveSubview:(NSView*)view { | |
31 ++removeCount_; | |
32 } | |
33 | |
34 - (void)didAddSubview:(NSView*)view { | |
35 ++addCount_; | |
36 } | |
37 | |
38 @end | |
39 | |
40 TEST_F(NSViewChromeAdditionsTest, BelowAboveView) { | |
41 base::scoped_nsobject<NSView> parent( | |
42 [[NSView alloc] initWithFrame:NSZeroRect]); | |
43 base::scoped_nsobject<NSView> child1( | |
44 [[NSView alloc] initWithFrame:NSZeroRect]); | |
45 base::scoped_nsobject<NSView> child2( | |
46 [[NSView alloc] initWithFrame:NSZeroRect]); | |
47 | |
48 [parent addSubview:child1]; | |
49 [parent addSubview:child2]; | |
50 EXPECT_TRUE([child1 cr_isBelowView:child2]); | |
51 EXPECT_FALSE([child1 cr_isAboveView:child2]); | |
52 EXPECT_FALSE([child2 cr_isBelowView:child1]); | |
53 EXPECT_TRUE([child2 cr_isAboveView:child1]); | |
54 | |
55 [child1 removeFromSuperview]; | |
56 [child2 removeFromSuperview]; | |
57 [parent addSubview:child2]; | |
58 [parent addSubview:child1]; | |
59 EXPECT_FALSE([child1 cr_isBelowView:child2]); | |
60 EXPECT_TRUE([child1 cr_isAboveView:child2]); | |
61 EXPECT_TRUE([child2 cr_isBelowView:child1]); | |
62 EXPECT_FALSE([child2 cr_isAboveView:child1]); | |
63 } | |
64 | |
65 TEST_F(NSViewChromeAdditionsTest, EnsurePosition) { | |
66 base::scoped_nsobject<NSView> parent( | |
67 [[NSView alloc] initWithFrame:NSZeroRect]); | |
68 base::scoped_nsobject<NSView> child1( | |
69 [[NSView alloc] initWithFrame:NSZeroRect]); | |
70 base::scoped_nsobject<NSView> child2( | |
71 [[NSView alloc] initWithFrame:NSZeroRect]); | |
72 | |
73 [parent addSubview:child1]; | |
74 [parent cr_ensureSubview:child2 | |
75 isPositioned:NSWindowAbove | |
76 relativeTo:child1]; | |
77 EXPECT_NSEQ([[parent subviews] objectAtIndex:0], child1); | |
78 EXPECT_NSEQ([[parent subviews] objectAtIndex:1], child2); | |
79 | |
80 [child2 removeFromSuperview]; | |
81 [parent cr_ensureSubview:child2 | |
82 isPositioned:NSWindowBelow | |
83 relativeTo:child1]; | |
84 EXPECT_NSEQ([[parent subviews] objectAtIndex:0], child2); | |
85 EXPECT_NSEQ([[parent subviews] objectAtIndex:1], child1); | |
86 } | |
87 | |
88 // Verify that no view is removed or added when no change is needed. | |
89 TEST_F(NSViewChromeAdditionsTest, EnsurePositionNoChange) { | |
90 base::scoped_nsobject<ParentView> parent( | |
91 [[ParentView alloc] initWithFrame:NSZeroRect]); | |
92 base::scoped_nsobject<NSView> child1( | |
93 [[NSView alloc] initWithFrame:NSZeroRect]); | |
94 base::scoped_nsobject<NSView> child2( | |
95 [[NSView alloc] initWithFrame:NSZeroRect]); | |
96 [parent addSubview:child1]; | |
97 [parent addSubview:child2]; | |
98 | |
99 EXPECT_EQ(0, [parent removeCount]); | |
100 EXPECT_EQ(2, [parent addCount]); | |
101 [parent cr_ensureSubview:child2 | |
102 isPositioned:NSWindowAbove | |
103 relativeTo:child1]; | |
104 EXPECT_EQ(0, [parent removeCount]); | |
105 EXPECT_EQ(2, [parent addCount]); | |
106 } | |
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