[PATCH v3] tests: add brk.test

[Fei Jie]

* tests/brk.c: New file.
* tests/brk.test: New test.
* tests/.gitignore: Add brk.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add brk.test.
---
 tests/.gitignore  |  1 +
 tests/Makefile.am |  2 ++
 tests/brk.c       | 22 ++++++++++++++++++++++
 tests/brk.test    | 10 ++++++++++
 4 files changed, 35 insertions(+)
 create mode 100644 tests/brk.c
 create mode 100755 tests/brk.test

diff --git a/tests/.gitignore b/tests/.gitignore
index 05cbd43..26c18ec 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -15,6 +15,7 @@ attach-f-p
 attach-p-cmd-cmd
 attach-p-cmd-p
 bpf
+brk
 caps
 chmod
 chown
diff --git a/tests/Makefile.am b/tests/Makefile.am
index a664275..64c1879 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -70,6 +70,7 @@ check_PROGRAMS = \
 	attach-p-cmd-cmd \
 	attach-p-cmd-p \
 	bpf \
+	brk \
 	caps \
 	chmod \
 	chown \
@@ -359,6 +360,7 @@ DECODER_TESTS = \
 	aio.test \
 	alarm.test \
 	bpf.test \
+	brk.test \
 	caps.test \
 	chmod.test \
 	chown.test \
diff --git a/tests/brk.c b/tests/brk.c
new file mode 100644
index 0000000..ed311aa
--- /dev/null
+++ b/tests/brk.c
@@ -0,0 +1,22 @@
+#include "tests.h"
+#include <sys/syscall.h>
+
+#ifdef __NR_brk
+
+# include <stdio.h>
+# include <unistd.h>
+
+int
+main(void)
+{
+	long rc = syscall(__NR_brk, NULL);
+	printf("brk\\(NULL\\) = %#lx\n", rc);
+
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_brk")
+
+#endif
diff --git a/tests/brk.test b/tests/brk.test
new file mode 100755
index 0000000..8c0e2e4
--- /dev/null
+++ b/tests/brk.test
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Check brk syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+run_strace -a10 -ebrk $args > "$EXP"
+match_grep "$LOG" "$EXP"
+rm -f "$EXP"
-- 
1.8.3.1