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Diffstat (limited to 'nsprpub/pr/tests/pipeping.c')
| -rw-r--r-- | nsprpub/pr/tests/pipeping.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/pipeping.c b/nsprpub/pr/tests/pipeping.c new file mode 100644 index 000000000..26b63c659 --- /dev/null +++ b/nsprpub/pr/tests/pipeping.c @@ -0,0 +1,158 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * File: pipeping.c + * + * Description: + * This test runs in conjunction with the pipepong test. + * This test creates two pipes and redirects the stdin and + * stdout of the pipepong test to the pipes. Then this + * test writes "ping" to the pipepong test and the pipepong + * test writes "pong" back. To run this pair of tests, + * just invoke pipeping. + * + * Tested areas: process creation, pipes, file descriptor + * inheritance, standard I/O redirection. + */ + +#include "prerror.h" +#include "prio.h" +#include "prproces.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#ifdef XP_OS2 +static char *child_argv[] = { "pipepong.exe", NULL }; +#else +static char *child_argv[] = { "pipepong", NULL }; +#endif + +#define NUM_ITERATIONS 10 + +int main(int argc, char **argv) +{ + PRFileDesc *in_pipe[2]; + PRFileDesc *out_pipe[2]; + PRStatus status; + PRProcess *process; + PRProcessAttr *attr; + char buf[1024]; + PRInt32 nBytes; + PRInt32 exitCode; + int idx; + + status = PR_CreatePipe(&in_pipe[0], &in_pipe[1]); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_CreatePipe failed\n"); + exit(1); + } + status = PR_CreatePipe(&out_pipe[0], &out_pipe[1]); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_CreatePipe failed\n"); + exit(1); + } + + status = PR_SetFDInheritable(in_pipe[0], PR_FALSE); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_SetFDInheritable failed\n"); + exit(1); + } + status = PR_SetFDInheritable(in_pipe[1], PR_TRUE); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_SetFDInheritable failed\n"); + exit(1); + } + status = PR_SetFDInheritable(out_pipe[0], PR_TRUE); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_SetFDInheritable failed\n"); + exit(1); + } + status = PR_SetFDInheritable(out_pipe[1], PR_FALSE); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_SetFDInheritable failed\n"); + exit(1); + } + + attr = PR_NewProcessAttr(); + if (attr == NULL) { + fprintf(stderr, "PR_NewProcessAttr failed\n"); + exit(1); + } + + PR_ProcessAttrSetStdioRedirect(attr, PR_StandardInput, out_pipe[0]); + PR_ProcessAttrSetStdioRedirect(attr, PR_StandardOutput, in_pipe[1]); + + process = PR_CreateProcess(child_argv[0], child_argv, NULL, attr); + if (process == NULL) { + fprintf(stderr, "PR_CreateProcess failed\n"); + exit(1); + } + PR_DestroyProcessAttr(attr); + status = PR_Close(out_pipe[0]); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_Close failed\n"); + exit(1); + } + status = PR_Close(in_pipe[1]); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_Close failed\n"); + exit(1); + } + + for (idx = 0; idx < NUM_ITERATIONS; idx++) { + strcpy(buf, "ping"); + printf("ping process: sending \"%s\"\n", buf); + nBytes = PR_Write(out_pipe[1], buf, 5); + if (nBytes == -1) { + fprintf(stderr, "PR_Write failed: (%d, %d)\n", PR_GetError(), + PR_GetOSError()); + exit(1); + } + memset(buf, 0, sizeof(buf)); + nBytes = PR_Read(in_pipe[0], buf, sizeof(buf)); + if (nBytes == -1) { + fprintf(stderr, "PR_Read failed: (%d, %d)\n", + PR_GetError(), PR_GetOSError()); + exit(1); + } + printf("ping process: received \"%s\"\n", buf); + if (nBytes != 5) { + fprintf(stderr, "ping process: expected 5 bytes but got %d bytes\n", + nBytes); + exit(1); + } + if (strcmp(buf, "pong") != 0) { + fprintf(stderr, "ping process: expected \"pong\" but got \"%s\"\n", + buf); + exit(1); + } + } + + status = PR_Close(in_pipe[0]); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_Close failed\n"); + exit(1); + } + status = PR_Close(out_pipe[1]); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_Close failed\n"); + exit(1); + } + status = PR_WaitProcess(process, &exitCode); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_WaitProcess failed\n"); + exit(1); + } + if (exitCode == 0) { + printf("PASS\n"); + return 0; + } else { + printf("FAIL\n"); + return 1; + } +} |