More VM tests.

[pintos-anon] / grading / vm / mmap-close.c

diff --git a/grading/vm/mmap-close.c b/grading/vm/mmap-close.c
new file mode 100644 (file)
index 0000000..54668b8
--- /dev/null
+++ b/grading/vm/mmap-close.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <string.h>
+#include "arc4.h"
+#include "sample.inc"
+#ifdef PINTOS
+#include <syscall.h>
+#else
+#include "posix-compat.h"
+#endif
+
+#define ACTUAL ((void *) 0x10000000)
+
+int
+main (void) 
+{
+  int fd;
+
+  printf ("(mmap-close) begin\n");
+
+  fd = open ("sample.txt");
+  if (fd < 0) 
+    {
+      printf ("(mmap-close) open() failed\n");
+      return 1;
+    }
+
+  if (!mmap (fd, ACTUAL, strlen (sample)))
+    {
+      printf ("(mmap-close) mmap() failed\n");
+      return 1;
+    }
+
+  close (fd);
+
+  if (memcmp (ACTUAL, sample, strlen (sample)))
+    {
+      printf ("(mmap-close) read of mmap'd file reported bad data\n");
+      return 1;
+    }
+
+  munmap (ACTUAL, strlen (sample));
+
+  /* Done. */
+  printf ("(mmap-close) end\n");
+
+  return 0;
+}