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-rw-r--r--test/BlocksRuntime/fail.c107
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);
+}
+