xref: /third_party/cJSON/tests/parse_number.c (revision 9750e409)
1/*
2  Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
3
4  Permission is hereby granted, free of charge, to any person obtaining a copy
5  of this software and associated documentation files (the "Software"), to deal
6  in the Software without restriction, including without limitation the rights
7  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8  copies of the Software, and to permit persons to whom the Software is
9  furnished to do so, subject to the following conditions:
10
11  The above copyright notice and this permission notice shall be included in
12  all copies or substantial portions of the Software.
13
14  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20  THE SOFTWARE.
21*/
22
23#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26
27#include "unity/examples/unity_config.h"
28#include "unity/src/unity.h"
29#include "common.h"
30
31static cJSON item[1];
32
33static void assert_is_number(cJSON *number_item)
34{
35    TEST_ASSERT_NOT_NULL_MESSAGE(number_item, "Item is NULL.");
36
37    assert_not_in_list(number_item);
38    assert_has_no_child(number_item);
39    assert_has_type(number_item, cJSON_Number);
40    assert_has_no_reference(number_item);
41    assert_has_no_const_string(number_item);
42    assert_has_no_valuestring(number_item);
43    assert_has_no_string(number_item);
44}
45
46static void assert_parse_number(const char *string, int integer, double real)
47{
48    parse_buffer buffer = { 0, 0, 0, 0, { 0, 0, 0 } };
49    buffer.content = (const unsigned char*)string;
50    buffer.length = strlen(string) + sizeof("");
51
52    TEST_ASSERT_TRUE(parse_number(item, &buffer));
53    assert_is_number(item);
54    TEST_ASSERT_EQUAL_INT(integer, item->valueint);
55    TEST_ASSERT_EQUAL_DOUBLE(real, item->valuedouble);
56}
57
58#ifdef __CJSON_USE_INT64
59static void assert_is_int64(cJSON *int64_number_item)
60{
61    assert_is_number(int64_number_item);
62    TEST_ASSERT_BITS_MESSAGE(cJSON_IsInt64, cJSON_IsInt64, int64_number_item->type, "Item should be a int64 integer");
63}
64
65static void assert_parse_int64_number(const char *string, long long integer, double real)
66{
67    parse_buffer buffer = { 0, 0, 0, 0, { 0, 0, 0 } };
68    buffer.content = (const unsigned char*)string;
69    buffer.length = strlen(string) + sizeof("");
70
71    TEST_ASSERT_TRUE(parse_number(item, &buffer));
72    TEST_ASSERT_EQUAL_INT64(integer, item->valueint);
73    TEST_ASSERT_EQUAL_DOUBLE(real, item->valuedouble);
74}
75
76static void assert_parse_int64_number_with_type(const char *string, long long integer, double real)
77{
78    assert_parse_int64_number(string, integer, real);
79    assert_is_int64(item);
80}
81#endif /* __CJSON_USE_INT64 */
82
83static void parse_number_should_parse_zero(void)
84{
85    assert_parse_number("0", 0, 0);
86    assert_parse_number("0.0", 0, 0.0);
87    assert_parse_number("-0", 0, -0.0);
88}
89
90static void parse_number_should_parse_negative_integers(void)
91{
92    assert_parse_number("-1", -1, -1);
93    assert_parse_number("-32768", -32768, -32768.0);
94    assert_parse_number("-2147483648", (int)-2147483648.0, -2147483648.0);
95}
96
97static void parse_number_should_parse_positive_integers(void)
98{
99    assert_parse_number("1", 1, 1);
100    assert_parse_number("32767", 32767, 32767.0);
101    assert_parse_number("2147483647", (int)2147483647.0, 2147483647.0);
102}
103
104static void parse_number_should_parse_positive_reals(void)
105{
106    assert_parse_number("0.001", 0, 0.001);
107    assert_parse_number("10e-10", 0, 10e-10);
108    assert_parse_number("10E-10", 0, 10e-10);
109#ifdef __CJSON_USE_INT64
110    assert_parse_int64_number("10e10", 100000000000LL, 10e10);
111    assert_parse_int64_number("123e+127", LLONG_MAX, 123e127);
112#else
113    assert_parse_number("10e10", INT_MAX, 10e10);
114    assert_parse_number("123e+127", INT_MAX, 123e127);
115#endif /* __CJSON_USE_INT64 */
116    assert_parse_number("123e-128", 0, 123e-128);
117}
118
119static void parse_number_should_parse_negative_reals(void)
120{
121    assert_parse_number("-0.001", 0, -0.001);
122    assert_parse_number("-10e-10", 0, -10e-10);
123    assert_parse_number("-10E-10", 0, -10e-10);
124#ifdef __CJSON_USE_INT64
125    assert_parse_int64_number("-10e20", LLONG_MIN, -10e20);
126    assert_parse_int64_number("-123e+127", LLONG_MIN, -123e127);
127#else
128    assert_parse_number("-10e20", INT_MIN, -10e20);
129    assert_parse_number("-123e+127", INT_MIN, -123e127);
130#endif /* __CJSON_USE_INT64 */
131    assert_parse_number("-123e-128", 0, -123e-128);
132}
133
134#ifdef __CJSON_USE_INT64
135static void parse_number_should_parse_int64_numbers(void)
136{
137    assert_parse_int64_number_with_type("0", 0LL, 0);
138    assert_parse_int64_number_with_type("-1", -1LL, -1);
139    assert_parse_int64_number_with_type("-32768", -32768LL, -32768.0);
140    assert_parse_int64_number_with_type("-2147483648", -2147483648LL, -2147483648.0);
141    assert_parse_int64_number_with_type("2147483648", (long long)INT_MAX + 1, 2147483648.0);
142    assert_parse_int64_number_with_type("-2147483649", -2147483649LL, -2147483649.0);
143    assert_parse_int64_number_with_type("9223372036854775807", LLONG_MAX, 9223372036854775807.0);
144    assert_parse_int64_number_with_type("-9223372036854775808", LLONG_MIN, -9223372036854775808.0);
145}
146#endif /* __CJSON_USE_INT64 */
147
148int CJSON_CDECL main(void)
149{
150    /* initialize cJSON item */
151    memset(item, 0, sizeof(cJSON));
152    UNITY_BEGIN();
153    RUN_TEST(parse_number_should_parse_zero);
154    RUN_TEST(parse_number_should_parse_negative_integers);
155    RUN_TEST(parse_number_should_parse_positive_integers);
156    RUN_TEST(parse_number_should_parse_positive_reals);
157    RUN_TEST(parse_number_should_parse_negative_reals);
158#ifdef __CJSON_USE_INT64
159    RUN_TEST(parse_number_should_parse_int64_numbers);
160#endif
161    return UNITY_END();
162}
163