FitsInTest.cpp revision e2eac8b2fd8966cc9af51f8d40151dad6c591d2e 
1/*
2 * Copyright 2013 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 "Test.h"
9#include "SkTypes.h"
10#include "SkTFitsIn.h"
11
12#include <limits>
13
14#define TEST(S, s, D, expected) REPORTER_ASSERT(reporter, (SkTFitsIn<D>((S)(s)) == (expected)))
15
16DEF_TEST(FitsIn, reporter) {
17    TEST(int32_t,  1, int8_t, true);
18    TEST(int32_t, -1, int8_t, true);
19    TEST(int32_t,  (int32_t)(std::numeric_limits<int8_t>::max)(),    int8_t, true);
20    TEST(int32_t, ((int32_t)(std::numeric_limits<int8_t>::max)())+1, int8_t, false);
21    TEST(int32_t,  (int32_t)(std::numeric_limits<int8_t>::min)(),    int8_t, true);
22    TEST(int32_t, (int32_t)((std::numeric_limits<int8_t>::min)())-1, int8_t, false);
23
24    TEST(int32_t,  1, uint8_t, true);
25    TEST(int32_t, -1, uint8_t, false);
26    TEST(int32_t,  (int32_t)(std::numeric_limits<uint8_t>::max)(),    uint8_t, true);
27    TEST(int32_t, ((int32_t)(std::numeric_limits<uint8_t>::max)())+1, uint8_t, false);
28    TEST(int32_t,  0, uint8_t, true);
29    TEST(int32_t, -1, uint8_t, false);
30    TEST(int32_t, -127, uint8_t, false);
31    TEST(int32_t, -128, uint8_t, false);
32
33    TEST(int32_t, 1000, int8_t, false);
34    TEST(int32_t, 1000, uint8_t, false);
35
36    TEST(int32_t, 1, int32_t, true);
37    TEST(int32_t, -1, int32_t, true);
38    TEST(int32_t, 1, uint32_t, true);
39    TEST(int32_t, -1, uint32_t, false);
40
41    TEST(int32_t, 1, int64_t, true);
42    TEST(int32_t, -1, int64_t, true);
43    TEST(int32_t, 1, uint64_t, true);
44    TEST(int32_t, -1, uint64_t, false);
45
46    TEST(uint32_t, 1, int8_t, true);
47    TEST(uint32_t, 1, uint8_t, true);
48    TEST(uint32_t, 1, int32_t, true);
49    TEST(uint32_t, 1, uint32_t, true);
50    TEST(uint32_t, 1, int64_t, true);
51    TEST(uint32_t, 1, uint64_t, true);
52
53    TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int8_t, false);
54    TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint8_t, false);
55    TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int32_t, false);
56    TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint32_t, true);
57    TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int64_t, true);
58    TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint64_t, true);
59
60    TEST(uint64_t, 1, int8_t, true);
61    TEST(uint64_t, 1, uint8_t, true);
62    TEST(uint64_t, 1, int32_t, true);
63    TEST(uint64_t, 1, uint32_t, true);
64    TEST(uint64_t, 1, int64_t, true);
65    TEST(uint64_t, 1, uint64_t, true);
66
67    // Uncommenting the following should cause compile failures.
68    //TEST(float, 1, uint64_t, true);
69}
70