#include <time.h>
#include <ctype.h>
+
#include "yaffsfs.h"
#include "yaffs_guts.h" /* Only for dumping device innards */
+#include "yaffs_endian.h" /*For testing the swap_u64 macro */
extern int yaffs_trace_mask;
}
+void print_binary(u64 val){
+ int count = 0;
+ for (int i= 63; i>=0; i --) {
+ if (count == 0){
+ printf(" ");
+ }
+ if ((((u64)1) << i) & val) {
+ printf("1");
+ } else {
+ printf("0");
+ }
+ count = (count +1) % 8;
+ }
+}
+
+void testing_swap_u64() {
+ int numberOfFailedTests = 0;
+ for (int i =0; i < 8; i ++) {
+ u64 startingNumber = (0xffLLu << (i*8));
+ u64 expected = (0xffLLu << (64 - (i*8) -8));
+ u64 converted = swap_u64(startingNumber);
+ if (converted != expected) {
+ numberOfFailedTests ++;
+ printf("numbers do not match.\n");
+ printf("0xff\t\t\t");
+ print_binary(0xff);
+ printf("\nStarting Number \t");
+ print_binary(startingNumber);
+ printf("\nExpecting \t\t");
+ print_binary(expected);
+ printf("\nConverted \t\t");
+ print_binary(converted);
+
+ printf("\n");
+ }
+ }
+ if (numberOfFailedTests){
+ printf("testing_swap failed %d tests\n", numberOfFailedTests);
+ } else {
+ printf("testing_swap_u64 passed all tests\n");
+ }
+}
+
+
void size_utime_test(const char *mountpt)
{
char name[100];
//yaffs_stat already uses 64 bits for both wince and unix times.
//To see if we are using 32 or 64 bit time, save a large number into the time and
//see if it overflows.
+ long bitsInTime = 8*sizeof(st.yst_ctime);
+ printf("the times are %ld bits long\n", bitsInTime);
+
+ //two testcases
+ if (bitsInTime == 64) {
+ //no need to test the overflow. Just check that it can be retrieved intact.
+
+ //use u64 variables in case utb truncates the values to 32 bit time by accident.
+ u64 start = 0xfffff;
+ u64 end = 0xffffff;
+
+ utb.actime = start;
+ utb.modtime = end;
+
+ result = yaffs_futime(h,&utb);
+ yaffs_fstat(h,&st);
+ if (st.yst_atime == start && st.yst_mtime == end) {
+ printf("successfully stored and retrevied a 64 bit number for atime and modtime\n");
+ } else {
+ printf("failed to store and retrieve a 64 bit number for atime and modtime\n");
+
+ }
+ } else {
+ //it is a 32 bit number. Check to see that it overflowed.
+
+ }
- printf("the times are %ld bits long\n", 8*sizeof(st.yst_ctime));
//here are the last access and modification times.
utb.actime = 1000;
//readdir_test("/nand");
basic_utime_test("/nand");
+ testing_swap_u64();
size_utime_test("/nand");
//case_insensitive_test("/nand");