From 3af6aabe52d73caa6861511da44f23931f4f038b Mon Sep 17 00:00:00 2001
From: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Date: Fri, 14 Aug 2015 17:49:27 +0200
Subject: [PATCH] tests: add readlink.test and readlinkat.test

* tests/readlink.c: New file.
* tests/readlink.awk: Likewise.
* tests/readlinkat.c: Likewise.
* tests/readlinkat.awk: Likewise.
* tests/readlink.test: New test.
* tests/readlinkat.test: Likewise.
* tests/Makefile.am (check_PROGRAMS): Add readlink and readlinkat.
(TESTS): Add readlink.test and readlinkat.test.
(EXTRA_DIST): Add readlink.awk and readlinkat.awk.
* tests/.gitignore: Add readlink and readlinkat.
---
 tests/.gitignore      |  2 ++
 tests/Makefile.am     |  6 ++++++
 tests/readlink.awk    | 10 ++++++++++
 tests/readlink.c      | 17 +++++++++++++++++
 tests/readlink.test   | 16 ++++++++++++++++
 tests/readlinkat.awk  | 10 ++++++++++
 tests/readlinkat.c    | 18 ++++++++++++++++++
 tests/readlinkat.test | 16 ++++++++++++++++
 8 files changed, 95 insertions(+)
 create mode 100644 tests/readlink.awk
 create mode 100644 tests/readlink.c
 create mode 100755 tests/readlink.test
 create mode 100644 tests/readlinkat.awk
 create mode 100644 tests/readlinkat.c
 create mode 100755 tests/readlinkat.test

diff --git a/tests/.gitignore b/tests/.gitignore
index 6d8e3183..d58e7355 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -24,6 +24,8 @@ oldselect
 pc
 pipe
 ppoll
+readlink
+readlinkat
 sched_xetattr
 scm_rights
 seccomp
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 45b34ab5..6b299d11 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -35,6 +35,8 @@ check_PROGRAMS = \
 	pc \
 	pipe \
 	ppoll \
+	readlink \
+	readlinkat \
 	sched_xetattr \
 	scm_rights \
 	seccomp \
@@ -87,6 +89,8 @@ TESTS = \
 	ipc_msg.test \
 	ipc_shm.test \
 	ipc_sem.test \
+	readlink.test \
+	readlinkat.test \
 	sched_xetattr.test \
 	scm_rights-fd.test \
 	seccomp.test \
@@ -159,6 +163,8 @@ EXTRA_DIST = init.sh run.sh match.awk \
 	     pipe.expected \
 	     ppoll.expected \
 	     ppoll-v.expected \
+	     readlink.awk \
+	     readlinkat.awk \
 	     restart_syscall.expected \
 	     restart_syscall_unknown.expected \
 	     select.awk \
diff --git a/tests/readlink.awk b/tests/readlink.awk
new file mode 100644
index 00000000..7b74250f
--- /dev/null
+++ b/tests/readlink.awk
@@ -0,0 +1,10 @@
+BEGIN {
+	pathname = "\\\\x72\\\\x65\\\\x61\\\\x64\\\\x6c\\\\x69\\\\x6e\\\\x6b\\\\x2e\\\\x6c\\\\x69\\\\x6e\\\\x6b"
+	buf = "\\\\x72\\\\x65\\\\x61"
+	r[1] = "^readlink\\(\"" pathname "\", \"" buf "\"\\.\\.\\., 31\\) += 10"
+	r[2] = "^\\+\\+\\+ exited with 0 \\+\\+\\+$"
+	lines = 2
+	fail = 0
+}
+
+@include "match.awk"
diff --git a/tests/readlink.c b/tests/readlink.c
new file mode 100644
index 00000000..b31c8913
--- /dev/null
+++ b/tests/readlink.c
@@ -0,0 +1,17 @@
+#include <unistd.h>
+#include <sys/syscall.h>
+
+int
+main(void)
+{
+#ifdef __NR_readlink
+	char buf[31];
+
+	if (syscall(__NR_readlink, "readlink.link", buf, sizeof(buf)) != 10)
+		return 77;
+
+	return 0;
+#else
+	return 77;
+#endif
+}
diff --git a/tests/readlink.test b/tests/readlink.test
new file mode 100755
index 00000000..15788599
--- /dev/null
+++ b/tests/readlink.test
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Check readlink syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+ln -sf readlink.c readlink.link ||
+	framework_skip_ 'failed to create a symlink'
+
+run_prog
+run_strace -e readlink -xx -s3 $args
+match_awk
+
+rm -f readlink.link
+
+exit 0
diff --git a/tests/readlinkat.awk b/tests/readlinkat.awk
new file mode 100644
index 00000000..5611b430
--- /dev/null
+++ b/tests/readlinkat.awk
@@ -0,0 +1,10 @@
+BEGIN {
+	pathname = "\\\\x72\\\\x65\\\\x61\\\\x64\\\\x6c\\\\x69\\\\x6e\\\\x6b\\\\x61\\\\x74\\\\x2e\\\\x6c\\\\x69\\\\x6e\\\\x6b"
+	buf = "\\\\x72\\\\x65\\\\x61"
+	r[1] = "^readlinkat\\(AT_FDCWD, \"" pathname "\", \"" buf "\"\\.\\.\\., 31\\) += 12"
+	r[2] = "^\\+\\+\\+ exited with 0 \\+\\+\\+$"
+	lines = 2
+	fail = 0
+}
+
+@include "match.awk"
diff --git a/tests/readlinkat.c b/tests/readlinkat.c
new file mode 100644
index 00000000..a075d703
--- /dev/null
+++ b/tests/readlinkat.c
@@ -0,0 +1,18 @@
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/syscall.h>
+
+int
+main(void)
+{
+#ifdef __NR_readlinkat
+	char buf[31];
+
+	if (syscall(__NR_readlinkat, AT_FDCWD, "readlinkat.link", buf, sizeof(buf)) != 12)
+		return 77;
+
+	return 0;
+#else
+	return 77;
+#endif
+}
diff --git a/tests/readlinkat.test b/tests/readlinkat.test
new file mode 100755
index 00000000..9ae46a98
--- /dev/null
+++ b/tests/readlinkat.test
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Check readlinkat syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+ln -sf readlinkat.c readlinkat.link ||
+	framework_skip_ 'failed to create a symlink'
+
+run_prog
+run_strace -e readlinkat -xx -s3 $args
+match_awk
+
+rm -f readlinkat.link
+
+exit 0
-- 
2.40.0