1 /*
2 * Copyright (c) 2014-2020 Pavel Kalvoda <me@pavelkalvoda.com>
3 *
4 * libcbor is free software; you can redistribute it and/or modify
5 * it under the terms of the MIT license. See LICENSE for details.
6 */
7
8 #include <math.h>
9 #include <setjmp.h>
10 #include <stdarg.h>
11 #include <stddef.h>
12 #include <stdint.h>
13 #include <tgmath.h>
14
15 #include <cmocka.h>
16
17 #include "cbor.h"
18 #include "test_allocator.h"
19
20 cbor_item_t *float_ctrl;
21 struct cbor_load_result res;
22
23 static const float eps = 0.00001f;
24
25 unsigned char float2_data[] = {0xF9, 0x7B, 0xFF};
26
test_float2(void ** _CBOR_UNUSED (_state))27 static void test_float2(void **_CBOR_UNUSED(_state)) {
28 float_ctrl = cbor_load(float2_data, 3, &res);
29 assert_true(cbor_isa_float_ctrl(float_ctrl));
30 assert_true(cbor_is_float(float_ctrl));
31 assert_true(cbor_float_get_width(float_ctrl) == CBOR_FLOAT_16);
32 assert_true(cbor_float_get_float2(float_ctrl) == 65504.0F);
33 assert_float_equal(cbor_float_get_float(float_ctrl), 65504.0F, eps);
34 cbor_decref(&float_ctrl);
35 assert_null(float_ctrl);
36 }
37
38 unsigned char float4_data[] = {0xFA, 0x47, 0xC3, 0x50, 0x00};
39
test_float4(void ** _CBOR_UNUSED (_state))40 static void test_float4(void **_CBOR_UNUSED(_state)) {
41 float_ctrl = cbor_load(float4_data, 5, &res);
42 assert_true(cbor_isa_float_ctrl(float_ctrl));
43 assert_true(cbor_is_float(float_ctrl));
44 assert_true(cbor_float_get_width(float_ctrl) == CBOR_FLOAT_32);
45 assert_true(cbor_float_get_float4(float_ctrl) == 100000.0F);
46 assert_float_equal(cbor_float_get_float(float_ctrl), 100000.0F, eps);
47 cbor_decref(&float_ctrl);
48 assert_null(float_ctrl);
49 }
50
51 unsigned char float8_data[] = {0xFB, 0x7E, 0x37, 0xE4, 0x3C,
52 0x88, 0x00, 0x75, 0x9C};
53
test_float8(void ** _CBOR_UNUSED (_state))54 static void test_float8(void **_CBOR_UNUSED(_state)) {
55 float_ctrl = cbor_load(float8_data, 9, &res);
56 assert_true(cbor_isa_float_ctrl(float_ctrl));
57 assert_true(cbor_is_float(float_ctrl));
58 assert_true(cbor_float_get_width(float_ctrl) == CBOR_FLOAT_64);
59 // XXX: the cast prevents promotion to 80-bit floats on 32-bit x86
60 assert_true(cbor_float_get_float8(float_ctrl) == (double)1.0e+300);
61 // Not using `assert_double_equal` since CI has an old version of cmocka
62 assert_true(fabs(cbor_float_get_float(float_ctrl) - (double)1.0e+300) < eps);
63 cbor_decref(&float_ctrl);
64 assert_null(float_ctrl);
65 }
66
67 unsigned char null_data[] = {0xF6};
68
test_null(void ** _CBOR_UNUSED (_state))69 static void test_null(void **_CBOR_UNUSED(_state)) {
70 float_ctrl = cbor_load(null_data, 1, &res);
71 assert_true(cbor_isa_float_ctrl(float_ctrl));
72 assert_true(cbor_is_null(float_ctrl));
73 cbor_decref(&float_ctrl);
74 assert_null(float_ctrl);
75 }
76
77 unsigned char undef_data[] = {0xF7};
78
test_undef(void ** _CBOR_UNUSED (_state))79 static void test_undef(void **_CBOR_UNUSED(_state)) {
80 float_ctrl = cbor_load(undef_data, 1, &res);
81 assert_true(cbor_isa_float_ctrl(float_ctrl));
82 assert_true(cbor_is_undef(float_ctrl));
83 cbor_decref(&float_ctrl);
84 assert_null(float_ctrl);
85 }
86
87 unsigned char bool_data[] = {0xF4, 0xF5};
88
test_bool(void ** _CBOR_UNUSED (_state))89 static void test_bool(void **_CBOR_UNUSED(_state)) {
90 _CBOR_TEST_DISABLE_ASSERT({
91 float_ctrl = cbor_load(bool_data, 1, &res);
92 assert_true(cbor_isa_float_ctrl(float_ctrl));
93 assert_true(cbor_is_bool(float_ctrl));
94 assert_false(cbor_get_bool(float_ctrl));
95 cbor_set_bool(float_ctrl, true);
96 assert_true(cbor_get_bool(float_ctrl));
97 assert_true(isnan(cbor_float_get_float(float_ctrl)));
98 cbor_decref(&float_ctrl);
99 assert_null(float_ctrl);
100
101 float_ctrl = cbor_load(bool_data + 1, 1, &res);
102 assert_true(cbor_isa_float_ctrl(float_ctrl));
103 assert_true(cbor_is_bool(float_ctrl));
104 assert_true(cbor_get_bool(float_ctrl));
105 cbor_set_bool(float_ctrl, false);
106 assert_false(cbor_get_bool(float_ctrl));
107 assert_true(isnan(cbor_float_get_float(float_ctrl)));
108 cbor_decref(&float_ctrl);
109 assert_null(float_ctrl);
110 });
111 }
112
test_float_ctrl_creation(void ** _CBOR_UNUSED (_state))113 static void test_float_ctrl_creation(void **_CBOR_UNUSED(_state)) {
114 WITH_FAILING_MALLOC({ assert_null(cbor_new_ctrl()); });
115 WITH_FAILING_MALLOC({ assert_null(cbor_new_float2()); });
116 WITH_FAILING_MALLOC({ assert_null(cbor_new_float4()); });
117 WITH_FAILING_MALLOC({ assert_null(cbor_new_float8()); });
118 WITH_FAILING_MALLOC({ assert_null(cbor_new_null()); });
119 WITH_FAILING_MALLOC({ assert_null(cbor_new_undef()); });
120
121 WITH_FAILING_MALLOC({ assert_null(cbor_build_bool(false)); });
122 WITH_FAILING_MALLOC({ assert_null(cbor_build_float2(3.14)); });
123 WITH_FAILING_MALLOC({ assert_null(cbor_build_float4(3.14)); });
124 WITH_FAILING_MALLOC({ assert_null(cbor_build_float8(3.14)); });
125 WITH_FAILING_MALLOC({ assert_null(cbor_build_ctrl(0xAF)); });
126 }
127
main(void)128 int main(void) {
129 const struct CMUnitTest tests[] = {
130 cmocka_unit_test(test_float2),
131 cmocka_unit_test(test_float4),
132 cmocka_unit_test(test_float8),
133 cmocka_unit_test(test_null),
134 cmocka_unit_test(test_undef),
135 cmocka_unit_test(test_bool),
136 cmocka_unit_test(test_float_ctrl_creation),
137 };
138 return cmocka_run_group_tests(tests, NULL, NULL);
139 }
140