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/* I cleaned this file up a bit, but it is still not pretty. -- ME */
#include <stdio.h>
#include <string.h>
#include <syscall.h>
#include <stdarg.h>
int main(void)
{
char *descr = "This is test program v0.1 that tests your implementation basic system calls\n";
char *test1 = "The first test is to create three files.\n";
char *test2 = "Now lets write some data to the files. Write some binary data to some files.\n";
char *test3 = "Test string that is written to a file.\n";
char *test4 = "Test to read back data from files.\n";
char *test5 = "Test to read from and write to bad file handles.\n";
char *test6 = "Get data from console. Please, write something (10 characters).\n";
char *test7 = "Test to open a file that does not exist.\n";
char binarydata[10];
char sbuf[50];
int file[3];
int num_bytes_read, i;
binarydata[0] = 1;
binarydata[1] = 2;
binarydata[2] = 3;
binarydata[3] = 4;
binarydata[4] = 5;
binarydata[5] = 0;
binarydata[6] = 1;
binarydata[7] = 2;
binarydata[8] = 3;
binarydata[9] = 4;
write(STDOUT_FILENO, descr, strlen(descr));
write(STDOUT_FILENO, test1, strlen(test1));
if (!create("test0", strlen(test3))) {
printf("Could not create test0\n");
halt();
}
if (!create("test1", 1024)){
printf("Could not create test1\n");
halt();
}
if (!create("test2", 1024)){
printf("Could not create test1\n");
halt();
}
for(i = 0; i < 2; i++){
snprintf(sbuf, 50, "test%d", i);
file[i] = open(sbuf);
if(file[i] > 1){
}
else{
printf("Could not open %s\n", sbuf);
halt();
}
}
write(STDOUT_FILENO, test6, strlen(test6));
num_bytes_read = read(STDIN_FILENO, sbuf, 10);
if(num_bytes_read != 10){
printf("Did not read 10 characters from the console.\n");
halt();
}
write(STDOUT_FILENO, test2, strlen(test2));
write(file[0], test3, strlen(test3));
write(file[1], binarydata, 10);
write(STDOUT_FILENO, test4, strlen(test4));
close(file[0]);
file[0] = open("test0");
num_bytes_read = read(file[0], sbuf, 50);
if(num_bytes_read != (int)strlen(test3)){
printf("Could not read back from test0 (%u), %u characters read instead!\n", (unsigned int)strlen(test3), num_bytes_read);
halt();
}
num_bytes_read = read(file[1], sbuf, 10);
if(num_bytes_read != 10){
printf("Could not read back binary data from test1\n");
halt();
}
if(!memcmp(sbuf, binarydata, 10)) {
printf("Data read back from test1 does not match what was written\n");
halt();
}
close(file[1]);
write(STDOUT_FILENO, test5, strlen(test5));
write(87, "hej", 3);
num_bytes_read = read(1006, sbuf, 3);
if(num_bytes_read != -1){
printf("You should catch that I tried to read from file 1006\n");
}
write(STDOUT_FILENO, test7, strlen(test7));
file[2] = open("fdsfa");
if(file[2] > 1){
printf(sbuf, "Got file handle when opening non-existing file\n");
write(STDOUT_FILENO, sbuf, strlen(sbuf));
halt();
}
printf("Test passed\n");
halt();
}
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