X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Ftest-framework%2Funit_tests%2Fquick_tests%2Ftest_yaffs_ftruncate_big_file.c;fp=direct%2Ftest-framework%2Funit_tests%2Fquick_tests%2Ftest_yaffs_ftruncate_big_file.c;h=25aef12a113952b0362bb4a2f45f834fdd87d066;hp=0000000000000000000000000000000000000000;hb=fccf7832ace974cc5f91106937655672705ff1ce;hpb=3e61f08fda0b46cacfa6ddf61062a526813ce7d7

diff --git a/direct/test-framework/unit_tests/quick_tests/test_yaffs_ftruncate_big_file.c b/direct/test-framework/unit_tests/quick_tests/test_yaffs_ftruncate_big_file.c
new file mode 100644
index 0000000..25aef12
--- /dev/null
+++ b/direct/test-framework/unit_tests/quick_tests/test_yaffs_ftruncate_big_file.c
@@ -0,0 +1,58 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2018 Aleph One Ltd.
+ *
+ * Created by Timothy Manning <timothy@yaffs.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "test_yaffs_ftruncate_big_file.h"
+
+static int handle = -1;
+
+int test_yaffs_ftruncate_big_file(void)
+{
+	int output = 0;
+	int error_code = 0;
+	handle = test_yaffs_open();
+
+	if (handle >= 0){
+		output = yaffs_ftruncate(handle,YAFFS_TEST_LONG_VALUE);
+		if (output < 0){
+			error_code = yaffs_get_error();
+			if (abs(error_code) == EINVAL){	/* yaffs uses the error EINVAL instead of big_file */
+				return 1;
+			} else {
+				print_message("different error than expected\n", 2);
+				return -1;
+			}
+		} else {
+			print_message("file truncated to a very large size.(which is a bad thing)\n", 2);
+			return -1;
+		}
+	} else {
+		print_message("error opening file\n", 2);
+		return -1;
+	}
+}
+
+int test_yaffs_ftruncate_big_file_clean(void){
+	/* change file size back to orignal size */
+	int output = 0;
+	if (handle >= 0){
+		output = yaffs_ftruncate(handle,FILE_SIZE );
+		if (output >= 0){
+			return yaffs_close(handle);
+		} else {
+			print_message("failed to truncate file\n", 2);
+			return -1;
+		}
+	} else {
+		/* the file was not opened so the file could not be truncated */
+		return 1;
+	}
+}