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-rw-r--r--ChangeLog6
-rw-r--r--modules/link-tests12
-rw-r--r--tests/test-link.c43
-rwxr-xr-xtests/test-link.sh28
4 files changed, 89 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index f8ca3e07ef..b2a59dda6d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-01-19 Martin Lambers <marlam@marlam.de>
+
+ * modules/link-tests: New file.
+ * tests/test-link.sh: New file.
+ * tests/test-link.c: New file.
+
2009-01-19 Eric Blake <ebb9@byu.net>
doc: mention another function added in cygwin 1.7.0
diff --git a/modules/link-tests b/modules/link-tests
new file mode 100644
index 0000000000..c1ec52cad8
--- /dev/null
+++ b/modules/link-tests
@@ -0,0 +1,12 @@
+Files:
+tests/test-link.sh
+tests/test-link.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-link.sh
+TESTS_ENVIRONMENT += EXEEXT='@EXEEXT@'
+check_PROGRAMS += test-link
diff --git a/tests/test-link.c b/tests/test-link.c
new file mode 100644
index 0000000000..255a939e6d
--- /dev/null
+++ b/tests/test-link.c
@@ -0,0 +1,43 @@
+/* Test of link() function.
+ Copyright (C) 2009 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include <unistd.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+int
+main (int argc, char **argv)
+{
+ ASSERT (argc == 3);
+ ASSERT (link (argv[1], argv[2]) == 0);
+
+ return 0;
+}
diff --git a/tests/test-link.sh b/tests/test-link.sh
new file mode 100755
index 0000000000..e18bb63fce
--- /dev/null
+++ b/tests/test-link.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+tmpfiles="test-link-a.txt test-link-b.txt test-link-c.txt"
+trap 'rm -fr $tmpfiles' 1 2 3 15
+
+# Create a file.
+echo "hello" > test-link-a.txt || exit 1
+
+# Use link() to create a new name for it.
+./test-link${EXEEXT} test-link-a.txt test-link-b.txt || exit 1
+cmp test-link-a.txt test-link-b.txt || exit 1
+
+# Modify the contents of the first file.
+echo "world" >> test-link-a.txt || exit 1
+cmp test-link-a.txt test-link-b.txt || exit 1
+
+# Modify the contents of the second file.
+echo "some text" >> test-link-b.txt || exit 1
+cmp test-link-a.txt test-link-b.txt || exit 1
+
+# Delete the first file, then verity the second file still has the same
+# contents.
+cp test-link-a.txt test-link-c.txt || exit 1
+rm test-link-a.txt || exit 1
+cmp test-link-b.txt test-link-c.txt || exit 1
+
+rm -fr $tmpfiles
+exit 0