|
1 /* |
|
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
|
3 * |
|
4 * Copyright 2024 Mike Becker, Olaf Wintermann All rights reserved. |
|
5 * |
|
6 * Redistribution and use in source and binary forms, with or without |
|
7 * modification, are permitted provided that the following conditions are met: |
|
8 * |
|
9 * 1. Redistributions of source code must retain the above copyright |
|
10 * notice, this list of conditions and the following disclaimer. |
|
11 * |
|
12 * 2. Redistributions in binary form must reproduce the above copyright |
|
13 * notice, this list of conditions and the following disclaimer in the |
|
14 * documentation and/or other materials provided with the distribution. |
|
15 * |
|
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
|
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
|
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
|
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
|
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
|
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
|
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
|
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
|
26 * POSSIBILITY OF SUCH DAMAGE. |
|
27 */ |
|
28 |
|
29 #include "cx/test.h" |
|
30 |
|
31 #include "cx/iterator.h" |
|
32 |
|
33 CX_TEST(test_iterator_create) { |
|
34 size_t size = 20; |
|
35 unsigned array[size]; |
|
36 for (unsigned i = 0 ; i < size ; i++) array[i] = i; |
|
37 |
|
38 CxMutIterator iter = cxIterator(array, sizeof(unsigned), size, false); |
|
39 CX_TEST_DO { |
|
40 CX_TEST_ASSERT(iter.index == 0); |
|
41 CX_TEST_ASSERT(iter.elem_size == sizeof(unsigned)); |
|
42 CX_TEST_ASSERT(iter.elem_count == size); |
|
43 CX_TEST_ASSERT(iter.src_handle == array); |
|
44 CX_TEST_ASSERT(iter.elem_handle == &array[0]); |
|
45 CX_TEST_ASSERT(cxIteratorValid(iter)); |
|
46 } |
|
47 } |
|
48 |
|
49 CX_TEST(test_iterator_create_null) { |
|
50 CxMutIterator iter = cxIterator(NULL, sizeof(unsigned), 47, false); |
|
51 CX_TEST_DO { |
|
52 CX_TEST_ASSERT(iter.index == 0); |
|
53 CX_TEST_ASSERT(iter.elem_size == sizeof(unsigned)); |
|
54 CX_TEST_ASSERT(iter.elem_count == 0); |
|
55 CX_TEST_ASSERT(iter.src_handle == NULL); |
|
56 CX_TEST_ASSERT(iter.elem_handle == NULL); |
|
57 CX_TEST_ASSERT(!cxIteratorValid(iter)); |
|
58 } |
|
59 } |
|
60 |
|
61 CX_TEST(test_iterator_iterate) { |
|
62 size_t size = 20; |
|
63 unsigned array[size]; |
|
64 for (unsigned i = 0 ; i < size ; i++) array[i] = i; |
|
65 |
|
66 CxMutIterator iter = cxIterator(array, sizeof(unsigned), size, false); |
|
67 CX_TEST_DO { |
|
68 unsigned expected = 0; |
|
69 cx_foreach(unsigned *, e, iter) { |
|
70 CX_TEST_ASSERT(iter.index == expected); |
|
71 CX_TEST_ASSERT(*e == expected); |
|
72 CX_TEST_ASSERT(iter.elem_size == sizeof(unsigned)); |
|
73 CX_TEST_ASSERT(iter.elem_count == size); |
|
74 CX_TEST_ASSERT(iter.src_handle == array); |
|
75 CX_TEST_ASSERT(iter.elem_handle == &array[expected]); |
|
76 expected++; |
|
77 } |
|
78 CX_TEST_ASSERT(expected == size); |
|
79 } |
|
80 } |
|
81 |
|
82 CX_TEST(test_iterator_with_slow_remove) { |
|
83 size_t size = 20; |
|
84 unsigned array[size]; |
|
85 for (unsigned i = 0 ; i < size ; i++) array[i] = i; |
|
86 |
|
87 size_t elem_counts[] = { |
|
88 20, 20, 19, 19, 18, 18, 17, 17, 16, 16, |
|
89 15, 15, 14, 14, 13, 13, 12, 12, 11, 11 |
|
90 }; |
|
91 size_t indices[] = { |
|
92 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, |
|
93 6, 6, 7, 7, 8, 8, 9, 9, 10 |
|
94 }; |
|
95 unsigned expected_result[] = { |
|
96 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 |
|
97 }; |
|
98 |
|
99 CxMutIterator iter = cxIterator(array, sizeof(unsigned), size, true); |
|
100 CX_TEST_DO { |
|
101 unsigned expected = 0; |
|
102 cx_foreach(unsigned *, e, iter) { |
|
103 CX_TEST_ASSERT(*e == expected); |
|
104 CX_TEST_ASSERT(iter.index == indices[expected]); |
|
105 CX_TEST_ASSERT(iter.elem_size == sizeof(unsigned)); |
|
106 CX_TEST_ASSERT(iter.elem_count == elem_counts[expected]); |
|
107 CX_TEST_ASSERT(iter.src_handle == array); |
|
108 CX_TEST_ASSERT(iter.elem_handle == &array[indices[expected]]); |
|
109 expected++; |
|
110 if (expected % 2 == 0) { |
|
111 cxIteratorFlagRemoval(iter); |
|
112 } |
|
113 } |
|
114 CX_TEST_ASSERT(expected == 20); |
|
115 CX_TEST_ASSERT(iter.index == 10); |
|
116 CX_TEST_ASSERT(iter.elem_count == 10); |
|
117 for (unsigned i = 0 ; i < 9 ; i++) { |
|
118 CX_TEST_ASSERT(array[i] == expected_result[i]); |
|
119 } |
|
120 } |
|
121 } |
|
122 |
|
123 CX_TEST(test_iterator_with_fast_remove) { |
|
124 size_t size = 20; |
|
125 unsigned array[size]; |
|
126 for (unsigned i = 0 ; i < size ; i++) array[i] = i; |
|
127 |
|
128 size_t elem_counts[] = { |
|
129 20, 20, 19, 19, 18, 18, 17, 17, 16, 16, |
|
130 15, 15, 14, 14, 13, 13, 12, 12, 11, 11 |
|
131 }; |
|
132 size_t indices[] = { |
|
133 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, |
|
134 6, 6, 7, 7, 8, 8, 9, 9, 10 |
|
135 }; |
|
136 unsigned expected_result[] = { |
|
137 0, 19, 18, 17, 16, 15, 14, 13, 12, 11 |
|
138 }; |
|
139 unsigned expected_visits[] = { |
|
140 0, 1, 19, 2, 18, 3, 17, 4, 16, 5, |
|
141 15, 6, 14, 7, 13, 8, 12, 9, 11, 10 |
|
142 }; |
|
143 |
|
144 CxMutIterator iter = cxIterator(array, sizeof(unsigned), size, false); |
|
145 CX_TEST_DO { |
|
146 unsigned expected = 0; |
|
147 cx_foreach(unsigned *, e, iter) { |
|
148 CX_TEST_ASSERT(*e == expected_visits[expected]); |
|
149 CX_TEST_ASSERT(iter.index == indices[expected]); |
|
150 CX_TEST_ASSERT(iter.elem_size == sizeof(unsigned)); |
|
151 CX_TEST_ASSERT(iter.elem_count == elem_counts[expected]); |
|
152 CX_TEST_ASSERT(iter.src_handle == array); |
|
153 CX_TEST_ASSERT(iter.elem_handle == &array[indices[expected]]); |
|
154 expected++; |
|
155 if (expected % 2 == 0) { |
|
156 cxIteratorFlagRemoval(iter); |
|
157 } |
|
158 } |
|
159 CX_TEST_ASSERT(expected == 20); |
|
160 CX_TEST_ASSERT(iter.index == 10); |
|
161 CX_TEST_ASSERT(iter.elem_count == 10); |
|
162 for (unsigned i = 0 ; i < 9 ; i++) { |
|
163 CX_TEST_ASSERT(array[i] == expected_result[i]); |
|
164 } |
|
165 } |
|
166 } |
|
167 |
|
168 CxTestSuite *cx_test_suite_iterator(void) { |
|
169 CxTestSuite *suite = cx_test_suite_new("iterator"); |
|
170 |
|
171 cx_test_register(suite, test_iterator_create); |
|
172 cx_test_register(suite, test_iterator_iterate); |
|
173 cx_test_register(suite, test_iterator_with_slow_remove); |
|
174 cx_test_register(suite, test_iterator_with_fast_remove); |
|
175 |
|
176 return suite; |
|
177 } |
|
178 |