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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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