-
Notifications
You must be signed in to change notification settings - Fork 1
/
CWPriorityQueueTests.m
169 lines (134 loc) · 5.9 KB
/
CWPriorityQueueTests.m
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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/*
// CWPriorityQueueTests.m
// ObjC_Playground
//
// Created by Colin Wheeler on 12/19/12.
// Copyright (c) 2012 Colin Wheeler. All rights reserved.
//
Copyright (c) 2013, Colin Wheeler
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "CWPriorityQueue.h"
SpecBegin(CWPriorityQueue)
it(@"should push and pop in the order we expect", ^{
CWPriorityQueue *queue = [CWPriorityQueue new];
[queue addItem:@"1" withPriority:1];
[queue addItem:@"5" withPriority:5];
[queue addItem:@"3" withPriority:3];
[queue addItem:@"2" withPriority:2];
[queue addItem:@"100" withPriority:100];
[queue addItem:@"20" withPriority:20];
[queue addItem:@"9" withPriority:9];
expect([queue dequeue]).to.equal(@"1");
expect([queue dequeue]).to.equal(@"2");
expect([queue dequeue]).to.equal(@"3");
expect([queue dequeue]).to.equal(@"5");
expect([queue dequeue]).to.equal(@"9");
expect([queue dequeue]).to.equal(@"20");
expect([queue dequeue]).to.equal(@"100");
});
it(@"should dequeue the objects we expect of a specific priority level", ^{
CWPriorityQueue *queue = [CWPriorityQueue new];
[queue addItem:@"All" withPriority:0];
[queue addItem:@"Glory" withPriority:3];
[queue addItem:@"To" withPriority:1];
[queue addItem:@"The" withPriority:5];
[queue addItem:@"Hypnotoad" withPriority:5];
[queue addItem:@"Fry" withPriority:13];
[queue addItem:@"Leela" withPriority:2];
NSArray *results = [queue allObjectsOfPriority:5];
expect(results).to.haveCountOf(2);
NSArray *expected = @[ @"The", @"Hypnotoad" ];
expect(results).to.equal(expected);
});
it(@"should return the correct count of objects with a given priority level", ^{
CWPriorityQueue *queue = [CWPriorityQueue new];
[queue addItem:@"1" withPriority:1];
[queue addItem:@"2" withPriority:2];
[queue addItem:@"3" withPriority:3];
[queue addItem:@"3" withPriority:3];
[queue addItem:@"3" withPriority:3];
[queue addItem:@"3" withPriority:3];
[queue addItem:@"4" withPriority:4];
[queue addItem:@"7" withPriority:7];
[queue addItem:@"9" withPriority:9];
[queue addItem:@"9" withPriority:9];
expect([queue countofObjectsWithPriority:1] == 1).to.beTruthy();
expect([queue countofObjectsWithPriority:2] == 1).to.beTruthy();
expect([queue countofObjectsWithPriority:3] == 4).to.beTruthy();
expect([queue countofObjectsWithPriority:4] == 1).to.beTruthy();
expect([queue countofObjectsWithPriority:7] == 1).to.beTruthy();
expect([queue countofObjectsWithPriority:9] == 2).to.beTruthy();
});
it(@"should dequeue the expected objects of next priority level", ^{
CWPriorityQueue *queue = [CWPriorityQueue new];
[queue addItem:@"1-1" withPriority:1];
[queue addItem:@"2-1" withPriority:2];
[queue addItem:@"2-2" withPriority:2];
[queue addItem:@"2-3" withPriority:2];
[queue addItem:@"2-4" withPriority:2];
[queue addItem:@"2-5" withPriority:2];
[queue addItem:@"3-1" withPriority:3];
[queue addItem:@"3-2" withPriority:3];
[queue addItem:@"3-3" withPriority:3];
[queue addItem:@"4-1" withPriority:4];
[queue addItem:@"4-2" withPriority:4];
[queue addItem:@"4-3" withPriority:4];
[queue addItem:@"4-4" withPriority:4];
expect([queue dequeueAllObjectsOfNextPriorityLevel]).to.haveCountOf(1);
expect([queue dequeueAllObjectsOfNextPriorityLevel]).to.haveCountOf(5);
expect([queue dequeueAllObjectsOfNextPriorityLevel]).to.haveCountOf(3);
expect([queue dequeueAllObjectsOfNextPriorityLevel]).to.haveCountOf(4);
});
it(@"should allow you to peek at the next item to be dequeued", ^{
CWPriorityQueue *queue = [CWPriorityQueue new];
expect([queue peek]).to.beNil();
[queue addItem:@"Hypnotoad" withPriority:4];
expect([queue peek]).to.equal(@"Hypnotoad");
});
it(@"should allow you to clear all objects off the queue", ^{
CWPriorityQueue *queue = [CWPriorityQueue new];
expect(queue.count == 0).to.beTruthy();
[queue addItem:@1 withPriority:1];
expect(queue.count == 1).to.beTruthy();
[queue addItem:@2 withPriority:2];
expect(queue.count == 2).to.beTruthy();
[queue addItem:@3 withPriority:3];
expect(queue.count == 3).to.beTruthy();
[queue addItem:@4 withPriority:4];
expect(queue.count == 4).to.beTruthy();
[queue addItem:@5 withPriority:5];
expect(queue.count == 5).to.beTruthy();
[queue removeAllObjects];
expect(queue.count == 0).to.beTruthy();
});
it(@"should return the correct total of all objects in the queue", ^{
CWPriorityQueue *queue = [CWPriorityQueue new];
expect(queue.count == 0).to.beTruthy();
[queue addItem:@"Hello" withPriority:3];
expect(queue.count == 1).to.beTruthy();
[queue addItem:@"World" withPriority:5];
expect(queue.count == 2).to.beTruthy();
[queue dequeue];
expect(queue.count == 1).to.beTruthy();
[queue dequeue];
expect(queue.count == 0).to.beTruthy();
});
SpecEnd