forked from facebookarchive/AsyncDisplayKit
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathASWeakSetTests.m
More file actions
138 lines (116 loc) · 3.34 KB
/
ASWeakSetTests.m
File metadata and controls
138 lines (116 loc) · 3.34 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
//
// ASWeakSetTests.m
// AsyncDisplayKit
//
// Created by Adlai Holler on 1/7/16.
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
#import <XCTest/XCTest.h>
#import "ASWeakSet.h"
@interface ASWeakSetTests : XCTestCase
@end
@implementation ASWeakSetTests
- (void)testAddingACoupleRetainedObjects
{
ASWeakSet <NSString *> *weakSet = [ASWeakSet new];
NSString *hello = @"hello";
NSString *world = @"hello";
[weakSet addObject:hello];
[weakSet addObject:world];
XCTAssert([weakSet containsObject:hello]);
XCTAssert([weakSet containsObject:world]);
XCTAssert(![weakSet containsObject:@"apple"]);
}
- (void)testThatCountIncorporatesDeallocatedObjects
{
ASWeakSet *weakSet = [ASWeakSet new];
XCTAssertEqual(weakSet.count, 0);
NSObject *a = [NSObject new];
NSObject *b = [NSObject new];
[weakSet addObject:a];
[weakSet addObject:b];
XCTAssertEqual(weakSet.count, 2);
@autoreleasepool {
NSObject *doomedObject = [NSObject new];
[weakSet addObject:doomedObject];
XCTAssertEqual(weakSet.count, 3);
}
XCTAssertEqual(weakSet.count, 2);
}
- (void)testThatIsEmptyIncorporatesDeallocatedObjects
{
ASWeakSet *weakSet = [ASWeakSet new];
XCTAssertTrue(weakSet.isEmpty);
@autoreleasepool {
NSObject *doomedObject = [NSObject new];
[weakSet addObject:doomedObject];
XCTAssertFalse(weakSet.isEmpty);
}
XCTAssertTrue(weakSet.isEmpty);
}
- (void)testThatContainsObjectWorks
{
ASWeakSet *weakSet = [ASWeakSet new];
NSObject *a = [NSObject new];
NSObject *b = [NSObject new];
[weakSet addObject:a];
XCTAssertTrue([weakSet containsObject:a]);
XCTAssertFalse([weakSet containsObject:b]);
}
- (void)testThatRemoveObjectWorks
{
ASWeakSet *weakSet = [ASWeakSet new];
NSObject *a = [NSObject new];
NSObject *b = [NSObject new];
[weakSet addObject:a];
[weakSet addObject:b];
XCTAssertTrue([weakSet containsObject:a]);
XCTAssertTrue([weakSet containsObject:b]);
XCTAssertEqual(weakSet.count, 2);
[weakSet removeObject:b];
XCTAssertTrue([weakSet containsObject:a]);
XCTAssertFalse([weakSet containsObject:b]);
XCTAssertEqual(weakSet.count, 1);
}
- (void)testThatFastEnumerationWorks
{
ASWeakSet *weakSet = [ASWeakSet new];
NSObject *a = [NSObject new];
NSObject *b = [NSObject new];
[weakSet addObject:a];
[weakSet addObject:b];
@autoreleasepool {
NSObject *doomedObject = [NSObject new];
[weakSet addObject:doomedObject];
XCTAssertEqual(weakSet.count, 3);
}
NSInteger i = 0;
NSMutableSet *awaitingObjects = [NSMutableSet setWithObjects:a, b, nil];
for (NSObject *object in weakSet) {
XCTAssertTrue([awaitingObjects containsObject:object]);
[awaitingObjects removeObject:object];
i += 1;
}
XCTAssertEqual(i, 2);
}
- (void)testThatRemoveAllObjectsWorks
{
ASWeakSet *weakSet = [ASWeakSet new];
NSObject *a = [NSObject new];
NSObject *b = [NSObject new];
[weakSet addObject:a];
[weakSet addObject:b];
XCTAssertEqual(weakSet.count, 2);
[weakSet removeAllObjects];
XCTAssertEqual(weakSet.count, 0);
NSInteger i = 0;
for (__unused NSObject *object in weakSet) {
i += 1;
}
XCTAssertEqual(i, 0);
}
@end