LRU disk cache replacement

1 files changed, 12 insertions, 2 deletions

diff --git a/usertests.c b/usertests.c
index 9bd144c..3cb4a37 100644
--- a/usertests.c
+++ b/usertests.c
@@ -303,7 +303,7 @@ createdelete()
 void
 unlinkread()
 {
-  int fd;
+  int fd, fd1;
   
   fd = open("unlinkread", O_CREATE | O_RDWR);
   if(fd < 0){
@@ -322,15 +322,25 @@ unlinkread()
     puts("unlink unlinkread failed\n");
     exit();
   }
+
+  fd1 = open("xxx", O_CREATE | O_RDWR);
+  write(fd1, "yyy", 3);
+  close(fd1);
+
   if(read(fd, buf, sizeof(buf)) != 5){
     puts("unlinkread read failed");
     exit();
   }
+  if(buf[0] != 'h'){
+    puts("unlinkread wrong data\n");
+    exit();
+  }
   if(write(fd, buf, 10) != 10){
     puts("unlinkread write failed\n");
     exit();
   }
   close(fd);
+  unlink("xxx");
   puts("unlinkread ok\n");
 }
 
@@ -339,7 +349,7 @@ main(int argc, char *argv[])
 {
   puts("usertests starting\n");
 
-  //unlinkread();
+  unlinkread();
   createdelete();
   twofiles();
   sharedfd();