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-rw-r--r--user/usertests.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/user/usertests.c b/user/usertests.c
index 0a84ef9..7c31013 100644
--- a/user/usertests.c
+++ b/user/usertests.c
@@ -2737,6 +2737,8 @@ diskfull(char *s)
{
int fi;
int done = 0;
+
+ unlink("diskfulldir");
for(fi = 0; done == 0; fi++){
char name[32];
@@ -2763,6 +2765,39 @@ diskfull(char *s)
close(fd);
}
+ // now that there are no free blocks, test that dirlink()
+ // merely fails (doesn't panic) if it can't extend
+ // directory content.
+ int nzz = 128;
+ for(int i = 0; i < nzz; i++){
+ char name[32];
+ name[0] = 'z';
+ name[1] = 'z';
+ name[2] = '0' + (i / 32);
+ name[3] = '0' + (i % 32);
+ name[4] = '\0';
+ unlink(name);
+ int fd = open(name, O_CREATE|O_RDWR|O_TRUNC);
+ if(fd < 0){
+ printf("%s: could not create file %s\n", s, name);
+ break;
+ }
+ close(fd);
+ }
+
+ mkdir("diskfulldir");
+ unlink("diskfulldir");
+
+ for(int i = 0; i < nzz; i++){
+ char name[32];
+ name[0] = 'z';
+ name[1] = 'z';
+ name[2] = '0' + (i / 32);
+ name[3] = '0' + (i % 32);
+ name[4] = '\0';
+ unlink(name);
+ }
+
for(int i = 0; i < fi; i++){
char name[32];
name[0] = 'b';