1 /* Tests the decoding of all types.
2  * This is the counterpart of test_encode3.
3  * Run e.g. ./test_encode3 | ./test_decode3
4  */
5 
6 #include <stdio.h>
7 #include <string.h>
8 #include <stdlib.h>
9 #include <pb_decode.h>
10 #include "alltypes.pb.h"
11 #include "test_helpers.h"
12 #include "unittests.h"
13 
14 /* This function is called once from main(), it handles
15    the decoding and checks the fields. */
check_alltypes(pb_istream_t * stream,int mode)16 bool check_alltypes(pb_istream_t *stream, int mode)
17 {
18     /* Uses _init_default to just make sure that it works. */
19     AllTypes alltypes = AllTypes_init_default;
20     int status = 0;
21 
22     /* Fill with garbage to better detect initialization errors */
23     memset(&alltypes, 0xAA, sizeof(alltypes));
24     alltypes.extensions = 0;
25 
26     if (!pb_decode(stream, AllTypes_fields, &alltypes))
27         return false;
28 
29     TEST(alltypes.req_int32         == -1001);
30     TEST(alltypes.req_uint32        == 1003);
31     TEST(alltypes.req_sint32        == -1005);
32     TEST(alltypes.req_bool          == true);
33 
34     TEST(alltypes.req_fixed32       == 1008);
35     TEST(alltypes.req_sfixed32      == -1009);
36     TEST(alltypes.req_float         == 1010.0f);
37 
38     TEST(strcmp(alltypes.req_string, "1014") == 0);
39     TEST(alltypes.req_bytes.size == 4);
40     TEST(memcmp(alltypes.req_bytes.bytes, "1015", 4) == 0);
41     TEST(strcmp(alltypes.req_submsg.substuff1, "1016") == 0);
42     TEST(alltypes.req_submsg.substuff2 == 1016);
43     TEST(alltypes.req_submsg.substuff3 == 3);
44     TEST(alltypes.req_enum == MyEnum_Truth);
45     TEST(memcmp(alltypes.req_fbytes, "1019", 4) == 0);
46 
47     TEST(alltypes.rep_int32_count == 5 && alltypes.rep_int32[4] == -2001 && alltypes.rep_int32[0] == 0);
48     TEST(alltypes.rep_uint32_count == 5 && alltypes.rep_uint32[4] == 2003 && alltypes.rep_uint32[0] == 0);
49     TEST(alltypes.rep_sint32_count == 5 && alltypes.rep_sint32[4] == -2005 && alltypes.rep_sint32[0] == 0);
50     TEST(alltypes.rep_bool_count == 5 && alltypes.rep_bool[4] == true && alltypes.rep_bool[0] == false);
51 
52     TEST(alltypes.rep_fixed32_count == 5 && alltypes.rep_fixed32[4] == 2008 && alltypes.rep_fixed32[0] == 0);
53     TEST(alltypes.rep_sfixed32_count == 5 && alltypes.rep_sfixed32[4] == -2009 && alltypes.rep_sfixed32[0] == 0);
54     TEST(alltypes.rep_float_count == 5 && alltypes.rep_float[4] == 2010.0f && alltypes.rep_float[0] == 0.0f);
55 
56     TEST(alltypes.rep_string_count == 5 && strcmp(alltypes.rep_string[4], "2014") == 0 && alltypes.rep_string[0][0] == '\0');
57     TEST(alltypes.rep_bytes_count == 5 && alltypes.rep_bytes[4].size == 4 && alltypes.rep_bytes[0].size == 0);
58     TEST(memcmp(alltypes.rep_bytes[4].bytes, "2015", 4) == 0);
59 
60     TEST(alltypes.rep_submsg_count == 5);
61     TEST(strcmp(alltypes.rep_submsg[4].substuff1, "2016") == 0 && alltypes.rep_submsg[0].substuff1[0] == '\0');
62     TEST(alltypes.rep_submsg[4].substuff2 == 2016 && alltypes.rep_submsg[0].substuff2 == 0);
63     TEST(alltypes.rep_submsg[4].substuff3 == 2016 && alltypes.rep_submsg[0].substuff3 == 3);
64 
65     TEST(alltypes.rep_enum_count == 5 && alltypes.rep_enum[4] == MyEnum_Truth && alltypes.rep_enum[0] == MyEnum_Zero);
66     TEST(alltypes.rep_emptymsg_count == 5);
67     TEST(alltypes.rep_fbytes_count == 5);
68     TEST(alltypes.rep_fbytes[0][0] == 0 && alltypes.rep_fbytes[0][3] == 0);
69     TEST(memcmp(alltypes.rep_fbytes[4], "2019", 4) == 0);
70 
71     if (mode == 0)
72     {
73         /* Expect default values */
74         TEST(alltypes.has_opt_int32     == false);
75         TEST(alltypes.opt_int32         == 4041);
76         TEST(alltypes.has_opt_uint32    == false);
77         TEST(alltypes.opt_uint32        == 4043);
78         TEST(alltypes.has_opt_sint32    == false);
79         TEST(alltypes.opt_sint32        == 4045);
80         TEST(alltypes.has_opt_bool      == false);
81         TEST(alltypes.opt_bool          == false);
82 
83         TEST(alltypes.has_opt_fixed32   == false);
84         TEST(alltypes.opt_fixed32       == 4048);
85         TEST(alltypes.has_opt_sfixed32  == false);
86         TEST(alltypes.opt_sfixed32      == 4049);
87         TEST(alltypes.has_opt_float     == false);
88         TEST(alltypes.opt_float         == 4050.0f);
89 
90         TEST(alltypes.has_opt_string    == false);
91         TEST(strcmp(alltypes.opt_string, "4054") == 0);
92         TEST(alltypes.has_opt_bytes     == false);
93         TEST(alltypes.opt_bytes.size == 4);
94         TEST(memcmp(alltypes.opt_bytes.bytes, "4055", 4) == 0);
95         TEST(alltypes.has_opt_submsg    == false);
96         TEST(strcmp(alltypes.opt_submsg.substuff1, "1") == 0);
97         TEST(alltypes.opt_submsg.substuff2 == 2);
98         TEST(alltypes.opt_submsg.substuff3 == 3);
99         TEST(alltypes.has_opt_enum     == false);
100         TEST(alltypes.opt_enum == MyEnum_Second);
101         TEST(alltypes.has_opt_emptymsg == false);
102         TEST(alltypes.has_opt_fbytes == false);
103         TEST(memcmp(alltypes.opt_fbytes, "4059", 4) == 0);
104 
105         TEST(alltypes.which_oneof == 0);
106     }
107     else
108     {
109         /* Expect filled-in values */
110         TEST(alltypes.has_opt_int32     == true);
111         TEST(alltypes.opt_int32         == 3041);
112         TEST(alltypes.has_opt_uint32    == true);
113         TEST(alltypes.opt_uint32        == 3043);
114         TEST(alltypes.has_opt_sint32    == true);
115         TEST(alltypes.opt_sint32        == 3045);
116         TEST(alltypes.has_opt_bool      == true);
117         TEST(alltypes.opt_bool          == true);
118 
119         TEST(alltypes.has_opt_fixed32   == true);
120         TEST(alltypes.opt_fixed32       == 3048);
121         TEST(alltypes.has_opt_sfixed32  == true);
122         TEST(alltypes.opt_sfixed32      == 3049);
123         TEST(alltypes.has_opt_float     == true);
124         TEST(alltypes.opt_float         == 3050.0f);
125 
126         TEST(alltypes.has_opt_string    == true);
127         TEST(strcmp(alltypes.opt_string, "3054") == 0);
128         TEST(alltypes.has_opt_bytes     == true);
129         TEST(alltypes.opt_bytes.size == 4);
130         TEST(memcmp(alltypes.opt_bytes.bytes, "3055", 4) == 0);
131         TEST(alltypes.has_opt_submsg    == true);
132         TEST(strcmp(alltypes.opt_submsg.substuff1, "3056") == 0);
133         TEST(alltypes.opt_submsg.substuff2 == 3056);
134         TEST(alltypes.opt_submsg.substuff3 == 3);
135         TEST(alltypes.has_opt_enum      == true);
136         TEST(alltypes.opt_enum == MyEnum_Truth);
137         TEST(alltypes.has_opt_emptymsg  == true);
138         TEST(alltypes.has_opt_fbytes == true);
139         TEST(memcmp(alltypes.opt_fbytes, "3059", 4) == 0);
140 
141         TEST(alltypes.which_oneof == AllTypes_oneof_msg1_tag);
142         TEST(strcmp(alltypes.oneof.oneof_msg1.substuff1, "4059") == 0);
143         TEST(alltypes.oneof.oneof_msg1.substuff2 == 4059);
144     }
145 
146     TEST(alltypes.req_limits.int32_min  == INT32_MIN);
147     TEST(alltypes.req_limits.int32_max  == INT32_MAX);
148     TEST(alltypes.req_limits.uint32_min == 0);
149     TEST(alltypes.req_limits.uint32_max == UINT32_MAX);
150     TEST(alltypes.req_limits.enum_min   == HugeEnum_Negative);
151     TEST(alltypes.req_limits.enum_max   == HugeEnum_Positive);
152 
153     TEST(alltypes.end == 1099);
154 
155     return status == 0;
156 }
157 
main(int argc,char ** argv)158 int main(int argc, char **argv)
159 {
160     uint8_t buffer[1024];
161     size_t count;
162     pb_istream_t stream;
163 
164     /* Whether to expect the optional values or the default values. */
165     int mode = (argc > 1) ? atoi(argv[1]) : 0;
166 
167     /* Read the data into buffer */
168     SET_BINARY_MODE(stdin);
169     count = fread(buffer, 1, sizeof(buffer), stdin);
170 
171     /* Construct a pb_istream_t for reading from the buffer */
172     stream = pb_istream_from_buffer(buffer, count);
173 
174     /* Decode and print out the stuff */
175     if (!check_alltypes(&stream, mode))
176     {
177         printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
178         return 1;
179     } else {
180         return 0;
181     }
182 }
183