From c1bf9f14ab383737ff4d6668d6118f44528a3965 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Mon, 23 Jul 2007 18:09:13 +0000
Subject: * io/Makefile (tests): Add tst-posix_fallocate.

	* io/tst-posix_fallocate.c: New file.

	* sysdeps/unix/sysv/linux/kernel-features.h: Define
	__ASSUME_FALLOCATE.
---
 io/tst-posix_fallocate.c | 99 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 io/tst-posix_fallocate.c

(limited to 'io/tst-posix_fallocate.c')

diff --git a/io/tst-posix_fallocate.c b/io/tst-posix_fallocate.c
new file mode 100644
index 0000000000..35c6489fde
--- /dev/null
+++ b/io/tst-posix_fallocate.c
@@ -0,0 +1,99 @@
+#include <sys/stat.h>
+
+static void do_prepare (void);
+#define PREPARE(argc, argv) do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>
+
+static int fd;
+
+static void
+do_prepare (void)
+{
+  fd = create_temp_file ("tst-posix_fallocate.", NULL);
+  if (fd == -1)
+    {
+      printf ("cannot create temporary file: %m\n");
+      exit (1);
+    }
+}
+
+
+static int
+do_test (void)
+{
+  struct stat64 st;
+
+  if (fstat64 (fd, &st) != 0)
+    {
+      puts ("1st fstat failed");
+      return 1;
+    }
+
+  if (st.st_size != 0)
+    {
+      puts ("file not created with size 0");
+      return 1;
+    }
+
+  if (posix_fallocate (fd, 512, 768) != 0)
+    {
+      puts ("1st posix_fallocate call failed");
+      return 1;
+    }
+
+  if (fstat64 (fd, &st) != 0)
+    {
+      puts ("2nd fstat failed");
+      return 1;
+    }
+
+  if (st.st_size != 512 + 768)
+    {
+      printf ("file size after first posix_fallocate call is %llu, expected %u\n",
+	      (unsigned long long int) st.st_size, 512u + 768u);
+      return 1;
+    }
+
+  if (posix_fallocate (fd, 0, 1024) != 0)
+    {
+      puts ("2nd posix_fallocate call failed");
+      return 1;
+    }
+
+  if (fstat64 (fd, &st) != 0)
+    {
+      puts ("3rd fstat failed");
+      return 1;
+    }
+
+  if (st.st_size != 512 + 768)
+    {
+      puts ("file size changed in second posix_fallocate");
+      return 1;
+    }
+
+  if (posix_fallocate (fd, 2048, 64) != 0)
+    {
+      puts ("3rd posix_fallocate call failed");
+      return 1;
+    }
+
+  if (fstat64 (fd, &st) != 0)
+    {
+      puts ("4th fstat failed");
+      return 1;
+    }
+
+  if (st.st_size != 2048 + 64)
+    {
+      printf ("file size after first posix_fallocate call is %llu, expected %u\n",
+	      (unsigned long long int) st.st_size, 2048u + 64u);
+      return 1;
+    }
+
+  close (fd);
+
+  return 0;
+}
-- 
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