From 469d019e17be11b53ea819631519a266a57165b8 Mon Sep 17 00:00:00 2001
From: Charles Manning <cdhmanning@gmail.com>
Date: Fri, 1 Jun 2012 12:05:19 +1200
Subject: [PATCH] Add a test for problem reported by Stephane

Signed-off-by: Charles Manning <cdhmanning@gmail.com>
---
 direct/basic-test/Makefile       |   8 ++-
 direct/basic-test/stephanetest.c | 102 +++++++++++++++++++++++++++++++
 2 files changed, 108 insertions(+), 2 deletions(-)
 create mode 100644 direct/basic-test/stephanetest.c

diff --git a/direct/basic-test/Makefile b/direct/basic-test/Makefile
index 026c0b8..3d883b6 100644
--- a/direct/basic-test/Makefile
+++ b/direct/basic-test/Makefile
@@ -75,12 +75,13 @@ YAFFSDIRECTSYMLINKS = \
 
 
 DIRECTTESTOBJS = $(COMMONTESTOBJS) dtest.o
+STEPHANETESTOBJS = $(COMMONTESTOBJS) stephanetest.o
 
 BOOTTESTOBJS = bootldtst.o yboot.o yaffs_fileem.o nand_ecc.o
 
-ALLOBJS = $(sort $(DIRECTTESTOBJS) $(YAFFSTESTOBJS))
+ALLOBJS = $(sort $(DIRECTTESTOBJS) $(YAFFSTESTOBJS)$(STEPHANETESTOBJS))
 
-TARGETS = directtest2k
+TARGETS = directtest2k stephanetest
 
 all: $(TARGETS)
 
@@ -92,6 +93,9 @@ $(YAFFSDIRECTSYMLINKS):
 	ln -s ../$@ $@
 
 
+stephanetest: $(YAFFSDIRECTSYMLINKS) $(STEPHANETESTOBJS)
+	gcc -o $@ $(STEPHANETESTOBJS)
+
 directtest2k: $(YAFFSDIRECTSYMLINKS) $(DIRECTTESTOBJS)
 	gcc -o $@ $(DIRECTTESTOBJS)
 
diff --git a/direct/basic-test/stephanetest.c b/direct/basic-test/stephanetest.c
new file mode 100644
index 0000000..87dc922
--- /dev/null
+++ b/direct/basic-test/stephanetest.c
@@ -0,0 +1,102 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * 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 <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+
+#include "yaffsfs.h"
+
+
+const char *mp="yaffs2";
+const char *fn = "yaffs2/fn";
+
+
+void run_step(int test_type)
+{
+	int fd;
+	int n;
+	struct yaffs_stat s;
+	unsigned char x;
+	int i;
+
+	printf("\n\n\nTest type %d\n", test_type);
+
+	switch(test_type) {
+	case 0:
+	case 1:
+		printf("Regular mount\n");
+		yaffs_mount(mp);
+		break;
+	case 2:
+		printf("mount ro checkpt\n");
+		yaffs_mount_common(mp, 1, 0);
+		break;
+	case 3:
+		printf("mount ro no-checkpt\n");
+		yaffs_mount_common(mp, 1, 1);
+		break;
+	}
+
+	if(test_type < 2) {
+		if(test_type == 0)
+			fd = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+		else
+			fd = yaffs_open(fn, O_CREAT | O_RDWR | O_APPEND, S_IREAD | S_IWRITE);
+
+		if(fd <0) {
+			printf("open failed\n");
+			exit(1);
+		}
+		n = yaffs_write(fd, "foo bar ", 8);
+		printf("write returned %d\n", n);
+		yaffs_close(fd);
+	}
+
+	n = yaffs_stat(fn, &s);
+	if(n < 0)
+		printf("yaffs_stat returned %d\n", n);
+
+	printf("file length %d\n", (int)s.st_size);
+
+	fd = yaffs_open(fn, O_RDONLY, 0);
+
+	for(i = 0; i < (int)s.st_size; i++) {
+		yaffs_read(fd, &x, 1);
+		printf("[%02x]", x);
+	}
+	printf("\n");
+
+	yaffs_close(fd);
+
+	n = yaffs_unmount(mp);
+
+	printf("unmount returned %d\n", n);
+}
+
+
+int random_seed;
+int simulate_power_failure;
+
+int main(int argc, char *argv[])
+{
+	yaffs_start_up();
+	run_step(0);
+	run_step(1);
+	run_step(2);
+	run_step(3);
+
+}
-- 
2.30.2