Actual source code: ex37.c
2: static char help[] = "Test PetscFormatConvertGetSize().\n";
4: #include <petscsys.h>
5: #include <petscviewer.h>
7: PetscErrorCode TestPetscVSNPrintf(char *, size_t, size_t *, const char *, ...);
9: int main(int argc, char **argv)
10: {
11: size_t sz, fullLength;
12: char *newformatstr, buffer[128], longstr[256], superlongstr[10000];
13: const char *formatstr = "Greetings %D %3.2f %g\n";
14: PetscInt i, twentytwo = 22;
16: PetscFunctionBeginUser;
17: PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
19: /* test that PetscFormatConvertGetSize() correctly counts needed amount of space */
20: PetscCall(PetscFormatConvertGetSize(formatstr, &sz));
21: if (PetscDefined(USE_64BIT_INDICES)) {
22: PetscCheck(sz == 29, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Format size %zu should be 29", sz);
23: } else {
24: PetscCheck(sz == 27, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Format size %zu should be 27", sz);
25: }
26: PetscCall(PetscMalloc1(sz, &newformatstr));
27: PetscCall(PetscFormatConvert(formatstr, newformatstr));
28: PetscCall(PetscPrintf(PETSC_COMM_WORLD, newformatstr, twentytwo, 3.47, 3.0));
29: PetscCall(PetscFree(newformatstr));
31: /* Test correct count is returned with %g format */
32: PetscCall(PetscSNPrintfCount(buffer, sizeof(buffer), "Test %g %g\n", &sz, 3.33, 2.7));
33: PetscCall(PetscStrlen(buffer, &fullLength));
34: PetscCheck(sz == fullLength + 1, PETSC_COMM_SELF, PETSC_ERR_PLIB, "PetscSNPrintfCount() count should be %d it is %d", (int)fullLength + 1, (int)sz);
36: /* test that TestPetscVSNPrintf() fullLength argument returns required space for the string when buffer is long enough */
37: PetscCall(TestPetscVSNPrintf(buffer, sizeof(buffer), &fullLength, "Greetings %s", "This is my string"));
38: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "buffer :%s: fullLength %d\n", buffer, (int)fullLength));
40: /* test that TestPetscVSNPrintf() fullLength argument returns required space for the string when buffer is not long enough */
41: for (i = 0; i < 255; i++) longstr[i] = 's';
42: longstr[255] = 0;
43: PetscCall(TestPetscVSNPrintf(buffer, sizeof(buffer), &fullLength, "Greetings %s", longstr));
44: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "longstr fullLength %d\n", (int)fullLength));
46: /* test that PetscPrintf() works for strings longer than the default buffer size */
47: for (i = 0; i < 9998; i++) superlongstr[i] = 's';
48: superlongstr[9998] = 't';
49: superlongstr[9999] = 0;
50: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Greetings %s", superlongstr));
52: /* test that PetscSynchronizedPrintf() works for strings longer than the default buffer size */
53: PetscCall(PetscSynchronizedPrintf(PETSC_COMM_WORLD, "Greetings %s", superlongstr));
54: PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD, stdout));
56: /* test that PetscSynchronizedFPrintf() works for strings longer than the default buffer size */
57: PetscCall(PetscSynchronizedFPrintf(PETSC_COMM_WORLD, stdout, "Greetings %s", superlongstr));
58: PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD, stdout));
60: /* test that PetscSynchronizedFPrintf() works for strings longer than the default buffer size */
61: PetscCall(PetscViewerASCIIPushSynchronized(PETSC_VIEWER_STDOUT_WORLD));
62: PetscCall(PetscViewerASCIISynchronizedPrintf(PETSC_VIEWER_STDOUT_WORLD, "Greetings %s", superlongstr));
63: PetscCall(PetscViewerFlush(PETSC_VIEWER_STDOUT_WORLD));
64: PetscCall(PetscViewerASCIIPopSynchronized(PETSC_VIEWER_STDOUT_WORLD));
66: /* add new line to end of file so that diff does not warn about it being missing */
67: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "\n"));
68: PetscCall(PetscFinalize());
69: return 0;
70: }
72: PetscErrorCode TestPetscVSNPrintf(char *str, size_t l_str, size_t *fullLength, const char *format, ...)
73: {
74: va_list Argp;
76: PetscFunctionBegin;
77: va_start(Argp, format);
78: PetscCall(PetscVSNPrintf(str, l_str, format, fullLength, Argp));
79: PetscFunctionReturn(PETSC_SUCCESS);
80: }
81: /*TEST
83: test:
84: nsize: 2
85: requires: defined(PETSC_HAVE_VA_COPY)
87: TEST*/