/core/externals/google-toolbox-for-mac/iPhone/GTMUIView+SubtreeDescriptionTest.m

  1//
  2//  GTMUIView+SubtreeDescriptionTest.m
  3//
  4//  Copyright 2009 Google Inc.
  5//
  6//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
  7//  use this file except in compliance with the License.  You may obtain a copy
  8//  of the License at
  9//
 10//  http://www.apache.org/licenses/LICENSE-2.0
 11//
 12//  Unless required by applicable law or agreed to in writing, software
 13//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 14//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 15//  License for the specific language governing permissions and limitations
 16//  under the License.
 17//
 18
 19#import "GTMNSObject+UnitTesting.h"
 20#import "GTMSenTestCase.h"
 21#import "GTMUIView+SubtreeDescription.h"
 22
 23#if !NDEBUG
 24
 25@interface GTMUIView_SubtreeDescriptionTest : GTMTestCase
 26@end
 27
 28@implementation GTMUIView_SubtreeDescriptionTest
 29
 30- (void)testSubtreeDescription {
 31  // Test a single, simple view.
 32  CGRect frame1 = CGRectMake(0, 0, 100, 200);
 33  UIView *view1 = [[[UIView alloc] initWithFrame:frame1] autorelease];
 34  NSString *actual = [view1 subtreeDescription];
 35  NSString *expected = [NSString stringWithFormat:
 36                        @"UIView %p {x:0 y:0 w:100 h:200}\n", view1];
 37  STAssertEqualObjects(actual, expected, @"a single, simple view failed");
 38
 39  // Test a view with one child.
 40  CGRect frame2 = CGRectMake(2, 2, 102, 202);
 41  UIView *view2 = [[[UIView alloc] initWithFrame:frame2] autorelease];
 42  [view1 addSubview:view2];
 43  NSString *actual2 = [view1 subtreeDescription];
 44  NSString *expected2 = [NSString stringWithFormat:
 45                         @"UIView %p {x:0 y:0 w:100 h:200}\n"
 46                         @"  UIView %p {x:2 y:2 w:102 h:202}\n", view1, view2];
 47  STAssertEqualObjects(actual2, expected2, @"a view with one child");
 48
 49  // Test a view with two children.
 50  CGRect frame3 = CGRectMake(3, 3, 103, 203);
 51  UIView *view3 = [[[UIView alloc] initWithFrame:frame3] autorelease];
 52  [view1 addSubview:view3];
 53  NSString *actual3 = [view1 subtreeDescription];
 54  NSString *expected3 = [NSString stringWithFormat:
 55                         @"UIView %p {x:0 y:0 w:100 h:200}\n"
 56                         @"  UIView %p {x:2 y:2 w:102 h:202}\n"
 57                         @"  UIView %p {x:3 y:3 w:103 h:203}\n",
 58                         view1, view2, view3];
 59  STAssertEqualObjects(actual3, expected3, @"a view with two children");
 60
 61  // Test a view with two children, one hidden.
 62  [view3 setHidden:YES];
 63  NSString *actual4 = [view1 subtreeDescription];
 64  NSString *expected4 = [NSString stringWithFormat:
 65                         @"UIView %p {x:0 y:0 w:100 h:200}\n"
 66                         @"  UIView %p {x:2 y:2 w:102 h:202}\n"
 67                         @"  UIView %p {x:3 y:3 w:103 h:203} hid\n",
 68                         view1, view2, view3];
 69  STAssertEqualObjects(actual4, expected4, @"with two children, one hidden");
 70}
 71
 72- (void)testSublayersDescription {
 73  // Test a single, simple layer.
 74  CGRect frame1 = CGRectMake(0, 0, 100, 200);
 75  UIView *view1 = [[[UIView alloc] initWithFrame:frame1] autorelease];
 76  NSString *actual = [view1 sublayersDescription];
 77  NSString *expected = [NSString stringWithFormat:
 78                        @"CALayer %p {x:0 y:0 w:100 h:200}\n", [view1 layer]];
 79  STAssertEqualObjects(actual, expected, @"a single, simple layer failed");
 80
 81  // Test a layer with one child.
 82  CGRect frame2 = CGRectMake(2, 2, 102, 202);
 83  UIView *view2 = [[[UIView alloc] initWithFrame:frame2] autorelease];
 84  [view1 addSubview:view2];
 85  NSString *actual2 = [view1 sublayersDescription];
 86  NSString *expected2 = [NSString stringWithFormat:
 87                         @"CALayer %p {x:0 y:0 w:100 h:200}\n"
 88                         @"  CALayer %p {x:2 y:2 w:102 h:202}\n",
 89                         [view1 layer], [view2 layer]];
 90  STAssertEqualObjects(actual2, expected2, @"a layer with one child");
 91
 92  // Test a layer with two children.
 93  CGRect frame3 = CGRectMake(3, 3, 103, 203);
 94  UIView *view3 = [[[UIView alloc] initWithFrame:frame3] autorelease];
 95  [view1 addSubview:view3];
 96  NSString *actual3 = [view1 sublayersDescription];
 97  NSString *expected3 = [NSString stringWithFormat:
 98                         @"CALayer %p {x:0 y:0 w:100 h:200}\n"
 99                         @"  CALayer %p {x:2 y:2 w:102 h:202}\n"
100                         @"  CALayer %p {x:3 y:3 w:103 h:203}\n",
101                         [view1 layer], [view2 layer], [view3 layer]];
102  STAssertEqualObjects(actual3, expected3, @"a layer with two children");
103
104  // Test a layer with two children, one hidden.
105  [view3 setHidden:YES];
106  NSString *actual4 = [view1 sublayersDescription];
107  NSString *expected4 = [NSString stringWithFormat:
108                         @"CALayer %p {x:0 y:0 w:100 h:200}\n"
109                         @"  CALayer %p {x:2 y:2 w:102 h:202}\n"
110                         @"  CALayer %p {x:3 y:3 w:103 h:203} hid\n",
111                         [view1 layer], [view2 layer], [view3 layer]];
112  STAssertEqualObjects(actual4, expected4, @"with two children, one hidden");
113}
114
115@end
116
117@interface UIMyTestView : UIView
118- (NSString *)myViewDescriptionLine;
119@end
120
121@implementation UIMyTestView
122- (NSString *)myViewDescriptionLine {
123  NSString *result = [NSString stringWithFormat:@"alpha: %3.1f", [self alpha]];
124  return result;
125}
126@end
127
128@interface GTMUIView_SubtreeSubClassDescriptionTest : GTMTestCase
129@end
130
131@implementation GTMUIView_SubtreeSubClassDescriptionTest
132- (void)testSubtreeDescription {
133  CGRect frame1 = CGRectMake(0, 0, 100, 200);
134  UIView *view1 = [[[UIView alloc] initWithFrame:frame1] autorelease];
135
136  // Test a view with one child.
137  CGRect frame2 = CGRectMake(2, 2, 102, 202);
138  UIView *view2 = [[[UIMyTestView alloc] initWithFrame:frame2] autorelease];
139  [view1 addSubview:view2];
140  NSString *actual2 = [view1 subtreeDescription];
141  NSString *expected2 = [NSString stringWithFormat:
142                         @"UIView %p {x:0 y:0 w:100 h:200}\n"
143                         @"  UIMyTestView %p {x:2 y:2 w:102 h:202} alpha: 1.0\n",
144                         view1, view2];
145  STAssertEqualObjects(actual2, expected2, @"a view with one subclassed child");
146}
147@end
148
149
150#endif