From: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue, 17 May 2016 17:53:40 +0000 (+0000)
Subject: umovestr3.test: extend test coverage
X-Git-Tag: v4.12~117
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=af09d4f4facede21f5832fc49630c3e899738acc;p=strace

umovestr3.test: extend test coverage

* tests/umovestr3.c: Include <sys/param.h>.
(main): Test with each number between PATH_MAX-1 and 0.
---

diff --git a/tests/umovestr3.c b/tests/umovestr3.c
index c0a62cd9..7b2e6388 100644
--- a/tests/umovestr3.c
+++ b/tests/umovestr3.c
@@ -28,21 +28,22 @@
 #include "tests.h"
 #include <stdio.h>
 #include <unistd.h>
+#include <sys/param.h>
 
 int
 main(void)
 {
 	(void) tail_alloc(1);
-	const unsigned int size = 8;
-	const char *const p = tail_alloc(size);
+	const unsigned int size = PATH_MAX - 1;
+	const char *p = tail_alloc(size);
 	const char *const efault = p + size;
 	(void) tail_alloc(1);
+	(void) tail_alloc(1);
 
-	int rc = chdir(p);
-	printf("chdir(%p) = %d %s (%m)\n", p, rc, errno2name());
-
-	rc = chdir(efault);
-	printf("chdir(%p) = %d %s (%m)\n", efault, rc, errno2name());
+	for (; p <= efault; ++p) {
+		int rc = chdir(p);
+		printf("chdir(%p) = %d %s (%m)\n", p, rc, errno2name());
+	}
 
 	puts("+++ exited with 0 +++");
 	return 0;