X-Git-Url: https://yaffs.net/gitweb/?a=blobdiff_plain;f=direct%2Ftest-framework%2Funit_tests%2Fquick_tests%2Ftest_yaffs_read_EINVAL.c;fp=direct%2Ftest-framework%2Funit_tests%2Fquick_tests%2Ftest_yaffs_read_EINVAL.c;h=c024df280413a4df2492202c95c5135c6693f821;hb=fccf7832ace974cc5f91106937655672705ff1ce;hp=0000000000000000000000000000000000000000;hpb=3e61f08fda0b46cacfa6ddf61062a526813ce7d7;p=yaffs2.git

diff --git a/direct/test-framework/unit_tests/quick_tests/test_yaffs_read_EINVAL.c b/direct/test-framework/unit_tests/quick_tests/test_yaffs_read_EINVAL.c
new file mode 100644
index 0000000..c024df2
--- /dev/null
+++ b/direct/test-framework/unit_tests/quick_tests/test_yaffs_read_EINVAL.c
@@ -0,0 +1,147 @@
+/*
+ * 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.
+ */
+
+/*this is no longer relevent because it is not possiable to read -1 bytes*/
+
+#include "test_yaffs_read_EINVAL.h"
+#include "test_yaffs_write.h"
+
+static int handle = -1;
+static char *file_name = NULL;
+
+int test_yaffs_read_EINVAL(void)
+{
+	int error_code = 0;
+	char text[2000000];
+	int output=0;	
+	/*if (yaffs_close(yaffs_open(FILE_PATH,O_CREAT | O_RDWR, FILE_MODE))==-1){
+		print_message("failed to create file before remounting\n",1);
+		return -1;
+	}*/
+	handle=yaffs_open(FILE_PATH,O_CREAT | O_RDWR, FILE_MODE);
+
+	if (handle<0){
+		print_message("could not open file\n",2);
+		return -1;
+	}	
+
+	/*there needs a large amout of test in the file in order to trigger EINVAL */
+	output=test_yaffs_read_EINVAL_init();
+	if (output<0){
+		print_message("could not write text to the file\n",2);
+		return -1; 
+	}
+
+	if (handle>=0){
+		output=yaffs_read(handle, text, -1);
+		if (output<0){ 
+			error_code=yaffs_get_error();
+			if (abs(error_code)== EINVAL){
+				return 1;
+			} else {
+				print_message("different error than expected\n",2);
+				return -1;
+			}
+		} else{
+			print_message("read a negative number of bytes (which is a bad thing)\n",2);
+			return -1;
+		}
+	} else {
+		print_message("error opening file\n",2);
+		return -1;
+	}
+}
+
+int test_yaffs_read_EINVAL_clean(void)
+{
+	int output=0;
+	if (handle>=0){
+		if(file_name){
+			free(file_name);
+			file_name = NULL;
+		}
+
+		
+		output= yaffs_truncate(FILE_PATH,FILE_SIZE );	
+		if (output>=0){
+			output=test_yaffs_write();
+			if (output<0){
+				print_message("failed to write to file\n",2);
+				return -1;
+			} else {
+				output=test_yaffs_write_clean();
+				if (output<0){
+					print_message("failed to clean the write_to_file function\n",2);
+				}
+			}
+		} else {
+			print_message("failed to truncate file\n",2);
+			return -1;
+		}
+
+		if(output>=0){
+			output=yaffs_close(handle);
+			if (output>=0){
+				return 1;
+			} else {
+				print_message("could not close the handle\n",2);
+				return -1;
+			}
+		} else {
+			print_message("failed to fix the file\n",2);
+			return -1;
+		}
+	} else {
+		print_message("no open handle\n",2);
+		return -1;	
+	}
+}
+
+int test_yaffs_read_EINVAL_init(void)
+{
+	int output=0;
+	int x=0;
+	
+	int file_name_length=1000000;
+
+	file_name = malloc(file_name_length);
+	if(!file_name){
+		print_message("unable to create file text\n",2);
+		return -1;
+	}
+	
+	strcpy(file_name,YAFFS_MOUNT_POINT);
+	for (x=strlen(YAFFS_MOUNT_POINT); x<file_name_length -1; x++){
+		file_name[x]='a';
+	}
+	file_name[file_name_length-2]='\0';
+
+
+
+	if (handle>=0){
+		output= yaffs_write(handle, file_name, file_name_length-1);
+		if (output<0){
+			print_message("could not write text to file\n",2);
+			return -1;
+		} else {
+			
+			return 1;
+		}
+
+	} else {
+		print_message("error opening file\n",2);
+		return -1;
+	}
+	
+}
+
+