Module Name: src
Committed By: martin
Date: Sat Jan 11 19:13:41 UTC 2014
Modified Files:
src/tests/lib/libexecinfo: t_backtrace.c
Log Message:
Make the output of the test case better suited for debugging (output full
backtrace before failing any unclear asserts)
To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/tests/lib/libexecinfo/t_backtrace.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/lib/libexecinfo/t_backtrace.c
diff -u src/tests/lib/libexecinfo/t_backtrace.c:1.10 src/tests/lib/libexecinfo/t_backtrace.c:1.11
--- src/tests/lib/libexecinfo/t_backtrace.c:1.10 Fri Aug 16 11:57:15 2013
+++ src/tests/lib/libexecinfo/t_backtrace.c Sat Jan 11 19:13:41 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: t_backtrace.c,v 1.10 2013/08/16 11:57:15 martin Exp $ */
+/* $NetBSD: t_backtrace.c,v 1.11 2014/01/11 19:13:41 martin Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -29,11 +29,12 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_backtrace.c,v 1.10 2013/08/16 11:57:15 martin Exp $");
+__RCSID("$NetBSD: t_backtrace.c,v 1.11 2014/01/11 19:13:41 martin Exp $");
#include <atf-c.h>
#include <atf-c/config.h>
#include <string.h>
+#include <stdio.h>
#include <stdlib.h>
#include <execinfo.h>
#include <unistd.h>
@@ -69,12 +70,19 @@ myfunc3(size_t ncalls)
++max_frames;
}
nptrs = backtrace(buffer, __arraycount(buffer));
- ATF_REQUIRE(nptrs >= ncalls + 2 + min_frames);
- ATF_REQUIRE(nptrs <= ncalls + 2 + max_frames);
-
strings = backtrace_symbols_fmt(buffer, nptrs, "%n");
ATF_CHECK(strings != NULL);
+
+ printf("got nptrs=%zu ncalls=%zu (min_frames: %zu, max_frames: %zu)\n",
+ nptrs, ncalls, min_frames, max_frames);
+ printf("backtrace is:\n");
+ for (j = 0; j < nptrs; j++) {
+ printf("#%zu: %s\n", j, strings[j]);
+ }
+
+ ATF_REQUIRE(nptrs >= ncalls + 2 + min_frames);
+ ATF_REQUIRE(nptrs <= ncalls + 2 + max_frames);
ATF_CHECK_STREQ(strings[0], "myfunc3");
ATF_CHECK_STREQ(strings[1], "myfunc2");
