xref: /aosp_15_r20/external/skia/tests/FitsInTest.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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 "include/core/SkTypes.h"
9 #include "include/private/base/SkTFitsIn.h"
10 #include "tests/Test.h"
11 
12 #include <cstdint>
13 #include <limits>
14 
15 #define TEST(S, s, D, expected) REPORTER_ASSERT(reporter, (SkTFitsIn<D>((S)(s)) == (expected)))
16 
17 enum TestEnum_t : uint8_t {
18     kFoo,
19     kBar,
20     kBaz,
21 };
22 
DEF_TEST(FitsIn,reporter)23 DEF_TEST(FitsIn, reporter) {
24     TEST(uint16_t, 257, int8_t, false);
25 
26     TEST(int32_t,  1, int8_t, true);
27     TEST(int32_t, -1, int8_t, true);
28     TEST(int32_t,  (int32_t)(std::numeric_limits<int8_t>::max)(),    int8_t, true);
29     TEST(int32_t, ((int32_t)(std::numeric_limits<int8_t>::max)())+1, int8_t, false);
30     TEST(int32_t,  (int32_t)(std::numeric_limits<int8_t>::min)(),    int8_t, true);
31     TEST(int32_t, (int32_t)((std::numeric_limits<int8_t>::min)())-1, int8_t, false);
32 
33     TEST(int32_t,  1, uint8_t, true);
34     TEST(int32_t, -1, uint8_t, false);
35     TEST(int32_t,  (int32_t)(std::numeric_limits<uint8_t>::max)(),    uint8_t, true);
36     TEST(int32_t, ((int32_t)(std::numeric_limits<uint8_t>::max)())+1, uint8_t, false);
37     TEST(int32_t,  0, uint8_t, true);
38     TEST(int32_t, -1, uint8_t, false);
39     TEST(int32_t, -127, uint8_t, false);
40     TEST(int32_t, -128, uint8_t, false);
41 
42     TEST(uint8_t, 2, TestEnum_t, true);
43     TEST(TestEnum_t, kBar, uint8_t, true);
44 
45     TEST(int32_t, 1000, int8_t, false);
46     TEST(int32_t, 1000, uint8_t, false);
47 
48     TEST(int32_t, 1, int32_t, true);
49     TEST(int32_t, -1, int32_t, true);
50     TEST(int32_t, 1, uint32_t, true);
51     TEST(int32_t, -1, uint32_t, false);
52 
53     TEST(int32_t, 1, int64_t, true);
54     TEST(int32_t, -1, int64_t, true);
55     TEST(int32_t, 1, uint64_t, true);
56     TEST(int32_t, -1, uint64_t, false);
57 
58     TEST(uint32_t, 1, int8_t, true);
59     TEST(uint32_t, 1, uint8_t, true);
60     TEST(uint32_t, 1, int32_t, true);
61     TEST(uint32_t, 1, uint32_t, true);
62     TEST(uint32_t, 1, int64_t, true);
63     TEST(uint32_t, 1, uint64_t, true);
64 
65     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int8_t, false);
66     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint8_t, false);
67     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int32_t, false);
68     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint32_t, true);
69     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), int64_t, true);
70     TEST(uint32_t, (std::numeric_limits<uint32_t>::max)(), uint64_t, true);
71 
72     TEST(uint64_t, 1, int8_t, true);
73     TEST(uint64_t, 1, uint8_t, true);
74     TEST(uint64_t, 1, int32_t, true);
75     TEST(uint64_t, 1, uint32_t, true);
76     TEST(uint64_t, 1, int64_t, true);
77     TEST(uint64_t, 1, uint64_t, true);
78 
79     enum class E : int { n1 = -1, p1 = 1 };
80     TEST(E, E::p1, int, true);
81     TEST(E, E::n1, int, true);
82     TEST(int, -1, E, true);
83     TEST(int, 1, E, true);
84     TEST(E, E::p1, unsigned, true);
85     TEST(E, E::n1, unsigned, false);
86 
87     // Uncommenting the following should cause compile failures.
88     //TEST(float, 1, uint64_t, true);
89 }
90