Initial commit

1 files changed, 107 insertions, 0 deletions

diff --git a/src/examples/lab2test.c b/src/examples/lab2test.c
new file mode 100644
index 0000000..1b5aa2b
--- /dev/null
+++ b/src/examples/lab2test.c
@@ -0,0 +1,107 @@
+/* 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();
+}