BitSetTest.cpp revision 8f6884aab8aecd7657cf3f9cdbc682f0deca29c5 
1/*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "SkBitSet.h"
9#include "Test.h"
10
11DEF_TEST(BitSet, reporter) {
12    SkBitSet set0(65536);
13    REPORTER_ASSERT(reporter, set0.isBitSet(0) == false);
14    REPORTER_ASSERT(reporter, set0.isBitSet(32767) == false);
15    REPORTER_ASSERT(reporter, set0.isBitSet(65535) == false);
16
17    SkBitSet set1(65536);
18    REPORTER_ASSERT(reporter, set0 == set1);
19
20    set0.setBit(22, true);
21    REPORTER_ASSERT(reporter, set0.isBitSet(22) == true);
22    set0.setBit(24, true);
23    REPORTER_ASSERT(reporter, set0.isBitSet(24) == true);
24    set0.setBit(35, true);  // on a different DWORD
25    REPORTER_ASSERT(reporter, set0.isBitSet(35) == true);
26    set0.setBit(22, false);
27    REPORTER_ASSERT(reporter, set0.isBitSet(22) == false);
28    REPORTER_ASSERT(reporter, set0.isBitSet(24) == true);
29    REPORTER_ASSERT(reporter, set0.isBitSet(35) == true);
30
31    SkTDArray<unsigned int> data;
32    set0.exportTo(&data);
33    REPORTER_ASSERT(reporter, data.count() == 2);
34    REPORTER_ASSERT(reporter, data[0] == 24);
35    REPORTER_ASSERT(reporter, data[1] == 35);
36
37    set1.setBit(12345, true);
38    set1.orBits(set0);
39    REPORTER_ASSERT(reporter, set0.isBitSet(12345) == false);
40    REPORTER_ASSERT(reporter, set1.isBitSet(12345) == true);
41    REPORTER_ASSERT(reporter, set1.isBitSet(22) == false);
42    REPORTER_ASSERT(reporter, set1.isBitSet(24) == true);
43    REPORTER_ASSERT(reporter, set0.isBitSet(35) == true);
44    REPORTER_ASSERT(reporter, set1 != set0);
45
46    set1.clearAll();
47    REPORTER_ASSERT(reporter, set0.isBitSet(12345) == false);
48    REPORTER_ASSERT(reporter, set1.isBitSet(12345) == false);
49    REPORTER_ASSERT(reporter, set1.isBitSet(22) == false);
50    REPORTER_ASSERT(reporter, set1.isBitSet(24) == false);
51    REPORTER_ASSERT(reporter, set1.isBitSet(35) == false);
52
53    set1.orBits(set0);
54    REPORTER_ASSERT(reporter, set1 == set0);
55
56    SkBitSet set2(1);
57    SkBitSet set3(1);
58    SkBitSet set4(4);
59    SkBitSet set5(33);
60
61    REPORTER_ASSERT(reporter, set2 == set3);
62    REPORTER_ASSERT(reporter, set2 != set4);
63    REPORTER_ASSERT(reporter, set2 != set5);
64
65    set2.setBit(0, true);
66    REPORTER_ASSERT(reporter, set2 != set5);
67    set5.setBit(0, true);
68    REPORTER_ASSERT(reporter, set2 != set5);
69    REPORTER_ASSERT(reporter, set2 != set3);
70    set3.setBit(0, true);
71    REPORTER_ASSERT(reporter, set2 == set3);
72    set3.clearAll();
73    set3 = set2;
74    set2 = set2;
75    REPORTER_ASSERT(reporter, set2 == set3);
76}
77