1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include <stdio.h>
#include <string.h>
#include "mpitest.h"
#define NKEYS 3
#define CANARY 'C'
#define INVALID_KEY "invalid_key_abcdef"
int main(int argc, char *argv[])
{
int errs = 0;
MPI_Info info;
char *keys[NKEYS] = { (char *) "file", (char *) "soft", (char *) "host" };
char *values[NKEYS] = { (char *) "runfile.txt", (char *) "2:1000:4,3:1000:7",
(char *) "myhost.myorg.org"
};
char value[MPI_MAX_INFO_VAL];
int i, flag, buflen;
MTest_Init(&argc, &argv);
MPI_Info_create(&info);
/* Use only named keys if the info implementation only supports
* the predefined keys (e.g., IBM) */
for (i = 0; i < NKEYS; i++) {
MPI_Info_set(info, keys[i], values[i]);
}
/* Case 1: invalid key */
buflen = 10;
value[0] = CANARY;
MPI_Info_get_string(info, INVALID_KEY, &buflen, value, &flag);
if (flag) {
errs++;
printf("get_string succeeded for invalid key %s\n", INVALID_KEY);
}
/* It is unclear if buflen is left unchanged for an invalid key, but the
* specification says value must be unchanged. */
if (value[0] != CANARY) {
errs++;
printf("get_string with invalid key changed value\n");
}
/* Case 2: buflen = 0 */
for (i = 0; i < NKEYS; i++) {
buflen = 0;
value[0] = CANARY;
MPI_Info_get_string(info, keys[i], &buflen, value, &flag);
if (!flag) {
errs++;
printf("get_string failed for valid key %s\n", keys[i]);
}
if (buflen != strlen(values[i]) + 1) {
errs++;
printf("get_string returned %d but buflen must be %d\n", buflen,
(int) (strlen(values[i]) + 1));
}
if (value[0] != CANARY) {
errs++;
printf("get_string changes value while buflen is 0\n");
}
}
/* Case 3: buflen = 2 (very small number) */
for (i = 0; i < NKEYS; i++) {
buflen = 2;
MPI_Info_get_string(info, keys[i], &buflen, value, &flag);
if (!flag) {
errs++;
printf("get_string failed for valid key %s\n", keys[i]);
}
if (buflen != strlen(values[i]) + 1) {
errs++;
printf("get_string returned %d but buflen must be %d\n", buflen,
(int) (strlen(values[i]) + 1));
}
if (value[0] != values[i][0]) {
errs++;
printf("get_string returned incorrect value for key %s\n", keys[i]);
}
if (value[1] != '\0') {
errs++;
printf("get_string returned value that is not null-terminated for key %s\n", keys[i]);
}
}
/* Case 4: buflen = MPI_MAX_INFO_VAL (very big number) */
for (i = 0; i < NKEYS; i++) {
buflen = MPI_MAX_INFO_VAL;
MPI_Info_get_string(info, keys[i], &buflen, value, &flag);
if (!flag) {
errs++;
printf("get_string failed for valid key %s\n", keys[i]);
}
if (buflen != strlen(values[i]) + 1) {
errs++;
printf("get_string returned %d but buflen must be %d\n", buflen,
(int) (strlen(values[i]) + 1));
}
if (strcmp(value, values[i])) {
errs++;
printf("get_string returned incorrect value for key %s\n", keys[i]);
}
}
MPI_Info_free(&info);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
|
