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intsizes_unittests.c
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1#include <stdio.h>
2#include <string.h>
3#include <pb_decode.h>
4#include <pb_encode.h>
5#include "unittests.h"
6#include "intsizes.pb.h"
7
8#define S(x) pb_istream_from_buffer((uint8_t*)x, sizeof(x) - 1)
9
10/* This is a macro instead of function in order to get the actual values
11 * into the TEST() lines in output */
12#define TEST_ROUNDTRIP(int8, uint8, sint8, \
13 int16, uint16, sint16, \
14 int32, uint32, sint32, \
15 int64, uint64, sint64, expected_result) \
16{ \
17 uint8_t buffer1[128], buffer2[128]; \
18 size_t msgsize; \
19 DefaultSizes msg1 = DefaultSizes_init_zero; \
20 IntSizes msg2 = IntSizes_init_zero; \
21 \
22 msg1.req_int8 = int8; \
23 msg1.req_uint8 = uint8; \
24 msg1.req_sint8 = sint8; \
25 msg1.req_int16 = int16; \
26 msg1.req_uint16 = uint16; \
27 msg1.req_sint16 = sint16; \
28 msg1.req_int32 = int32; \
29 msg1.req_uint32 = uint32; \
30 msg1.req_sint32 = sint32; \
31 msg1.req_int64 = int64; \
32 msg1.req_uint64 = uint64; \
33 msg1.req_sint64 = sint64; \
34 \
35 { \
36 pb_ostream_t s = pb_ostream_from_buffer(buffer1, sizeof(buffer1)); \
37 TEST(pb_encode(&s, DefaultSizes_fields, &msg1)); \
38 msgsize = s.bytes_written; \
39 } \
40 \
41 { \
42 pb_istream_t s = pb_istream_from_buffer(buffer1, msgsize); \
43 TEST(pb_decode(&s, IntSizes_fields, &msg2) == expected_result); \
44 if (expected_result) \
45 { \
46 TEST( (int64_t)msg2.req_int8 == int8); \
47 TEST((uint64_t)msg2.req_uint8 == uint8); \
48 TEST( (int64_t)msg2.req_sint8 == sint8); \
49 TEST( (int64_t)msg2.req_int16 == int16); \
50 TEST((uint64_t)msg2.req_uint16 == uint16); \
51 TEST( (int64_t)msg2.req_sint16 == sint16); \
52 TEST( (int64_t)msg2.req_int32 == int32); \
53 TEST((uint64_t)msg2.req_uint32 == uint32); \
54 TEST( (int64_t)msg2.req_sint32 == sint32); \
55 TEST( (int64_t)msg2.req_int64 == int64); \
56 TEST((uint64_t)msg2.req_uint64 == uint64); \
57 TEST( (int64_t)msg2.req_sint64 == sint64); \
58 } \
59 } \
60 \
61 if (expected_result) \
62 { \
63 pb_ostream_t s = pb_ostream_from_buffer(buffer2, sizeof(buffer2)); \
64 TEST(pb_encode(&s, IntSizes_fields, &msg2)); \
65 TEST(s.bytes_written == msgsize); \
66 TEST(memcmp(buffer1, buffer2, msgsize) == 0); \
67 } \
68}
69
70int main()
71{
72 int status = 0;
73
74 {
75 IntSizes msg = IntSizes_init_zero;
76
77 COMMENT("Test field sizes");
78 TEST(sizeof(msg.req_int8) == 1);
79 TEST(sizeof(msg.req_uint8) == 1);
80 TEST(sizeof(msg.req_sint8) == 1);
81 TEST(sizeof(msg.req_int16) == 2);
82 TEST(sizeof(msg.req_uint16) == 2);
83 TEST(sizeof(msg.req_sint16) == 2);
84 TEST(sizeof(msg.req_int32) == 4);
85 TEST(sizeof(msg.req_uint32) == 4);
86 TEST(sizeof(msg.req_sint32) == 4);
87 TEST(sizeof(msg.req_int64) == 8);
88 TEST(sizeof(msg.req_uint64) == 8);
89 TEST(sizeof(msg.req_sint64) == 8);
90 }
91
92 COMMENT("Test roundtrip at maximum value");
93 TEST_ROUNDTRIP(127, 255, 127,
94 32767, 65535, 32767,
95 INT32_MAX, UINT32_MAX, INT32_MAX,
96 INT64_MAX, UINT64_MAX, INT64_MAX, true);
97
98 COMMENT("Test roundtrip at minimum value");
99 TEST_ROUNDTRIP(-128, 0, -128,
100 -32768, 0, -32768,
101 INT32_MIN, 0, INT32_MIN,
102 INT64_MIN, 0, INT64_MIN, true);
103
104 COMMENT("Test overflow detection");
105 TEST_ROUNDTRIP(-129, 0, -128,
106 -32768, 0, -32768,
107 INT32_MIN, 0, INT32_MIN,
108 INT64_MIN, 0, INT64_MIN, false);
109 TEST_ROUNDTRIP(127, 256, 127,
110 32767, 65535, 32767,
111 INT32_MAX, UINT32_MAX, INT32_MAX,
112 INT64_MAX, UINT64_MAX, INT64_MAX, false);
113 TEST_ROUNDTRIP(-128, 0, -128,
114 -32768, 0, -32769,
115 INT32_MIN, 0, INT32_MIN,
116 INT64_MIN, 0, INT64_MIN, false);
117
118 {
119 uint8_t buffer[128];
120 IntSizes msg = IntSizes_init_zero;
121 pb_ostream_t s = pb_ostream_from_buffer(buffer, sizeof(buffer));
122
123 COMMENT("Test message maximum size");
124 msg.req_int8 = -128;
125 msg.req_uint8 = 255;
126 msg.req_sint8 = -128;
127 msg.req_int16 = -32768;
128 msg.req_uint16 = 65535;
129 msg.req_sint16 = -32768;
130 msg.req_int32 = INT32_MIN;
131 msg.req_uint32 = UINT32_MAX;
132 msg.req_sint32 = INT32_MIN;
133 msg.req_int64 = INT64_MIN;
134 msg.req_uint64 = UINT64_MAX;
135 msg.req_sint64 = INT64_MIN;
136
137 TEST(pb_encode(&s, IntSizes_fields, &msg));
138 TEST(s.bytes_written == IntSizes_size);
139 }
140
141 if (status != 0)
142 fprintf(stdout, "\n\nSome tests FAILED!\n");
143
144 return status;
145}
stdout
#define stdout
Definition mos_stdio.h:31
TEST_ROUNDTRIP
#define TEST_ROUNDTRIP(int8, uint8, sint8, int16, uint16, sint16, int32, uint32, sint32, int64, uint64, sint64, expected_result)
Definition intsizes_unittests.c:12
main
int main()
Definition intsizes_unittests.c:70
pb_ostream_from_buffer
pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize)
Definition pb_encode.c:63
pb_encode
bool pb_encode(pb_ostream_t *stream, const pb_msgdesc_t *fields, const void *src_struct)
Definition pb_encode.c:512
uint8_t
unsigned char uint8_t
Definition pb_syshdr.h:20
TEST
#define TEST(x)
Definition test.h:3
buffer
static char buffer[2048]
Definition test_printf.c:7
COMMENT
#define COMMENT(x)
Definition unittests.h:17