diff options
Diffstat (limited to 'test/BlocksRuntime/fail.c')
-rw-r--r-- | test/BlocksRuntime/fail.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/test/BlocksRuntime/fail.c b/test/BlocksRuntime/fail.c new file mode 100644 index 000000000000..28dbc2d1521f --- /dev/null +++ b/test/BlocksRuntime/fail.c @@ -0,0 +1,107 @@ +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +/* + * fail.c + * testObjects + * + * Created by Blaine Garst on 9/16/08. + * + */ +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include <stdlib.h> +#include <stdbool.h> + + +bool readfile(char *buffer, const char *from) { + int fd = open(from, 0); + if (fd < 0) return false; + int count = read(fd, buffer, 512); + if (count < 0) return false; + buffer[count] = 0; // zap newline + return true; +} + +// basic idea, take compiler args, run compiler, and verify that expected failure matches any existing one + +int main(int argc, char *argv[]) { + if (argc == 1) return 0; + char *copy[argc+1]; // make a copy + // find and strip off -e "errorfile" + char *errorfile = NULL; + int counter = 0, i = 0; + for (i = 1; i < argc; ++i) { // skip 0 arg which is "fail" + if (!strncmp(argv[i], "-e", 2)) { + errorfile = argv[++i]; + } + else { + copy[counter++] = argv[i]; + } + } + copy[counter] = NULL; + pid_t child = fork(); + char buffer[512]; + if (child == 0) { + // in child + sprintf(buffer, "/tmp/errorfile_%d", getpid()); + close(1); + int fd = creat(buffer, 0777); + if (fd != 1) { + fprintf(stderr, "didn't open custom error file %s as 1, got %d\n", buffer, fd); + exit(1); + } + close(2); + dup(1); + int result = execv(copy[0], copy); + exit(10); + } + if (child < 0) { + printf("fork failed\n"); + exit(1); + } + int status = 0; + pid_t deadchild = wait(&status); + if (deadchild != child) { + printf("wait got %d instead of %d\n", deadchild, child); + exit(1); + } + if (WEXITSTATUS(status) == 0) { + printf("compiler exited normally, not good under these circumstances\n"); + exit(1); + } + //printf("exit status of child %d was %d\n", child, WEXITSTATUS(status)); + sprintf(buffer, "/tmp/errorfile_%d", child); + if (errorfile) { + //printf("ignoring error file: %s\n", errorfile); + char desired[512]; + char got[512]; + bool gotErrorFile = readfile(desired, errorfile); + bool gotOutput = readfile(got, buffer); + if (!gotErrorFile && gotOutput) { + printf("didn't read errorfile %s, it should have something from\n*****\n%s\n*****\nin it.\n", + errorfile, got); + exit(1); + } + else if (gotErrorFile && gotOutput) { + char *where = strstr(got, desired); + if (!where) { + printf("didn't find contents of %s in %s\n", errorfile, buffer); + exit(1); + } + } + else { + printf("errorfile %s and output %s inconsistent\n", errorfile, buffer); + exit(1); + } + } + unlink(buffer); + printf("success\n"); + exit(0); +} + |