From a64cd81342188c80ce6aef13f1b98300018d786e Mon Sep 17 00:00:00 2001
From: kaashoek <kaashoek>
Date: Thu, 7 Sep 2006 13:23:41 +0000
Subject: one regression test program
---
fstests.c | 685 --------------------------------------------------------------
1 file changed, 685 deletions(-)
delete mode 100644 fstests.c
(limited to 'fstests.c')
diff --git a/fstests.c b/fstests.c
deleted file mode 100644
index 4956437..0000000
--- a/fstests.c
+++ /dev/null
@@ -1,685 +0,0 @@
-#include "types.h"
-#include "stat.h"
-#include "user.h"
-#include "fcntl.h"
-
-char buf[512];
-
-// two processes write to the same file descriptor
-// is the offset shared? does inode locking work?
-void
-sharedfd()
-{
- int fd, pid, i, n, nc, np;
- char buf[10];
-
- unlink("sharedfd");
- fd = open("sharedfd", O_CREATE|O_RDWR);
- if(fd < 0){
- printf(1, "fstests: cannot open sharedfd for writing");
- return;
- }
- pid = fork();
- memset(buf, pid==0?'c':'p', sizeof(buf));
- for(i = 0; i < 100; i++){
- if(write(fd, buf, sizeof(buf)) != sizeof(buf)){
- printf(1, "fstests: write sharedfd failed\n");
- break;
- }
- }
- if(pid == 0)
- exit();
- else
- wait();
- close(fd);
- fd = open("sharedfd", 0);
- if(fd < 0){
- printf(1, "fstests: cannot open sharedfd for reading\n");
- return;
- }
- nc = np = 0;
- while((n = read(fd, buf, sizeof(buf))) > 0){
- for(i = 0; i < sizeof(buf); i++){
- if(buf[i] == 'c')
- nc++;
- if(buf[i] == 'p')
- np++;
- }
- }
- close(fd);
- unlink("sharedfd");
- if(nc == 1000 && np == 1000)
- printf(1, "sharedfd ok\n");
- else
- printf(1, "sharedfd oops %d %d\n", nc, np);
-}
-
-// two processes write two different files at the same
-// time, to test block allocation.
-void
-twofiles()
-{
- int fd, pid, i, j, n, total;
- char *fname;
-
- unlink("f1");
- unlink("f2");
-
- pid = fork();
- if(pid < 0){
- puts("fork failed\n");
- return;
- }
-
- fname = pid ? "f1" : "f2";
- fd = open(fname, O_CREATE | O_RDWR);
- if(fd < 0){
- puts("create failed\n");
- exit();
- }
-
- memset(buf, pid?'p':'c', 512);
- for(i = 0; i < 12; i++){
- if((n = write(fd, buf, 500)) != 500){
- printf(1, "write failed %d\n", n);
- exit();
- }
- }
- close(fd);
- if(pid)
- wait();
- else
- exit();
-
- for(i = 0; i < 2; i++){
- fd = open(i?"f1":"f2", 0);
- total = 0;
- while((n = read(fd, buf, sizeof(buf))) > 0){
- for(j = 0; j < n; j++){
- if(buf[j] != (i?'p':'c')){
- puts("wrong char\n");
- exit();
- }
- }
- total += n;
- }
- close(fd);
- if(total != 12*500){
- printf(1, "wrong length %d\n", total);
- exit();
- }
- }
-
- unlink("f1");
- unlink("f2");
-
- puts("twofiles ok\n");
-}
-
-// two processes create and delete files in same directory
-void
-createdelete()
-{
- int pid, i, fd;
- int n = 20;
- char name[32];
-
- pid = fork();
- if(pid < 0){
- puts("fork failed\n");
- exit();
- }
-
- name[0] = pid ? 'p' : 'c';
- name[2] = '\0';
- for(i = 0; i < n; i++){
- name[1] = '0' + i;
- fd = open(name, O_CREATE | O_RDWR);
- if(fd < 0){
- puts("create failed\n");
- exit();
- }
- close(fd);
- if(i > 0 && (i % 2 ) == 0){
- name[1] = '0' + (i / 2);
- if(unlink(name) < 0){
- puts("unlink failed\n");
- exit();
- }
- }
- }
-
- if(pid)
- exit();
- else
- exit();
-
- for(i = 0; i < n; i++){
- name[0] = 'p';
- name[1] = '0' + i;
- fd = open(name, 0);
- if((i == 0 || i >= n/2) && fd < 0){
- printf(1, "oops createdelete %s didn't exist\n", name);
- exit();
- } else if((i >= 1 && i < n/2) && fd >= 0){
- printf(1, "oops createdelete %s did exist\n", name);
- exit();
- }
- if(fd >= 0)
- close(fd);
-
- name[0] = 'c';
- name[1] = '0' + i;
- fd = open(name, 0);
- if((i == 0 || i >= n/2) && fd < 0){
- printf(1, "oops createdelete %s didn't exist\n", name);
- exit();
- } else if((i >= 1 && i < n/2) && fd >= 0){
- printf(1, "oops createdelete %s did exist\n", name);
- exit();
- }
- if(fd >= 0)
- close(fd);
- }
-
- for(i = 0; i < n; i++){
- name[0] = 'p';
- name[1] = '0' + i;
- unlink(name);
- name[0] = 'c';
- unlink(name);
- }
-
- printf(1, "createdelete ok\n");
-}
-
-// can I unlink a file and still read it?
-void
-unlinkread()
-{
- int fd, fd1;
-
- fd = open("unlinkread", O_CREATE | O_RDWR);
- if(fd < 0){
- puts("create unlinkread failed\n");
- exit();
- }
- write(fd, "hello", 5);
- close(fd);
-
- fd = open("unlinkread", O_RDWR);
- if(fd < 0){
- puts("open unlinkread failed\n");
- exit();
- }
- if(unlink("unlinkread") != 0){
- puts("unlink unlinkread failed\n");
- exit();
- }
-
- fd1 = open("unlinkread", 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("unlinkread");
- puts("unlinkread ok\n");
-}
-
-void
-linktest()
-{
- int fd;
-
- unlink("lf1");
- unlink("lf2");
-
- fd = open("lf1", O_CREATE|O_RDWR);
- if(fd < 0){
- puts("create lf1 failed\n");
- exit();
- }
- if(write(fd, "hello", 5) != 5){
- puts("write lf1 failed\n");
- exit();
- }
- close(fd);
-
- if(link("lf1", "lf2") < 0){
- puts("link lf1 lf2 failed\n");
- exit();
- }
- unlink("lf1");
-
- if(open("lf1", 0) >= 0){
- puts("unlinked lf1 but it is still there!\n");
- exit();
- }
-
- fd = open("lf2", 0);
- if(fd < 0){
- puts("open lf2 failed\n");
- exit();
- }
- if(read(fd, buf, sizeof(buf)) != 5){
- puts("read lf2 failed\n");
- exit();
- }
- close(fd);
-
- if(link("lf2", "lf2") >= 0){
- puts("link lf2 lf2 succeeded! oops\n");
- exit();
- }
-
- unlink("lf2");
- if(link("lf2", "lf1") >= 0){
- puts("link non-existant succeeded! oops\n");
- exit();
- }
-
- if(link(".", "lf1") >= 0){
- puts("link . lf1 succeeded! oops\n");
- exit();
- }
-
- puts("linktest ok\n");
-}
-
-// test concurrent create of the same file
-void
-concreate()
-{
- char file[3];
- int i, pid, n, fd;
- char fa[40];
- struct {
- unsigned short inum;
- char name[14];
- } de;
-
- file[0] = 'C';
- file[2] = '\0';
- for(i = 0; i < 40; i++){
- file[1] = '0' + i;
- unlink(file);
- pid = fork();
- if(pid && (i % 3) == 1){
- link("C0", file);
- } else if(pid == 0 && (i % 5) == 1){
- link("C0", file);
- } else {
- fd = open(file, O_CREATE | O_RDWR);
- if(fd < 0){
- printf(1, "concreate create %s failed\n", file);
- exit();
- }
- close(fd);
- }
- if(pid == 0)
- exit();
- else
- wait();
- }
-
- memset(fa, 0, sizeof(fa));
- fd = open(".", 0);
- n = 0;
- while(read(fd, &de, sizeof(de)) > 0){
- if(de.inum == 0)
- continue;
- if(de.name[0] == 'C' && de.name[2] == '\0'){
- i = de.name[1] - '0';
- if(i < 0 || i >= sizeof(fa)){
- printf(1, "concreate weird file %s\n", de.name);
- exit();
- }
- if(fa[i]){
- printf(1, "concreate duplicate file %s\n", de.name);
- exit();
- }
- fa[i] = 1;
- n++;
- }
- }
- close(fd);
-
- if(n != 40){
- puts("concreate not enough files in directory listing\n");
- exit();
- }
-
- for(i = 0; i < 40; i++){
- file[1] = '0' + i;
- unlink(file);
- }
-
- puts("concreate ok\n");
-}
-
-// directory that uses indirect blocks
-void
-bigdir()
-{
- int i, fd;
- char name[10];
-
- unlink("bd");
-
- fd = open("bd", O_CREATE);
- if(fd < 0){
- puts("bigdir create failed\n");
- exit();
- }
- close(fd);
-
- for(i = 0; i < 500; i++){
- name[0] = 'x';
- name[1] = '0' + (i / 64);
- name[2] = '0' + (i % 64);
- name[3] = '\0';
- if(link("bd", name) != 0){
- puts("bigdir link failed\n");
- exit();
- }
- puts("c");
- }
-
- unlink("bd");
- for(i = 0; i < 500; i++){
- name[0] = 'x';
- name[1] = '0' + (i / 64);
- name[2] = '0' + (i % 64);
- name[3] = '\0';
- if(unlink(name) != 0){
- puts("bigdir unlink failed");
- exit();
- }
- puts("d");
- }
-
- puts("bigdir ok\n");
-}
-
-void
-subdir()
-{
- int fd, cc;
-
- unlink("ff");
- if(mkdir("dd") != 0){
- puts("subdir mkdir dd failed\n");
- exit();
- }
-
- fd = open("dd/ff", O_CREATE | O_RDWR);
- if(fd < 0){
- puts("create dd/ff failed\n");
- exit();
- }
- write(fd, "ff", 2);
- close(fd);
-
- if(mkdir("/dd/dd") != 0){
- puts("subdir mkdir dd/dd failed\n");
- exit();
- }
-
- fd = open("dd/dd/ff", O_CREATE | O_RDWR);
- if(fd < 0){
- puts("create dd/dd/ff failed\n");
- exit();
- }
- write(fd, "FF", 2);
- close(fd);
-
- fd = open("dd/dd/../ff", 0);
- if(fd < 0){
- puts("open dd/dd/../ff failed\n");
- exit();
- }
- cc = read(fd, buf, sizeof(buf));
- if(cc != 2 || buf[0] != 'f'){
- puts("dd/dd/../ff wrong content\n");
- exit();
- }
- close(fd);
-
- if(link("dd/dd/ff", "dd/dd/ffff") != 0){
- puts("link dd/dd/ff dd/dd/ffff failed\n");
- exit();
- }
-
- if(unlink("dd/dd/ff") != 0){
- puts("unlink dd/dd/ff failed\n");
- exit();
- }
-
- if(chdir("dd") != 0){
- puts("chdir dd failed\n");
- exit();
- }
- if(chdir("dd/../../dd") != 0){
- puts("chdir dd/../../dd failed\n");
- exit();
- }
- if(chdir("./..") != 0){
- puts("chdir ./.. failed\n");
- exit();
- }
-
- fd = open("dd/dd/ffff", 0);
- if(fd < 0){
- puts("open dd/dd/ffff failed\n");
- exit();
- }
- if(read(fd, buf, sizeof(buf)) != 2){
- puts("read dd/dd/ffff wrong len\n");
- exit();
- }
- close(fd);
-
- if(open("dd/dd/ff", 0) >= 0){
- puts("open dd/dd/ff succeeded!\n");
- exit();
- }
-
- if(open("dd/ff/ff", O_CREATE|O_RDWR) >= 0){
- puts("create dd/ff/ff succeeded!\n");
- exit();
- }
- if(open("dd/xx/ff", O_CREATE|O_RDWR) >= 0){
- puts("create dd/xx/ff succeeded!\n");
- exit();
- }
- if(open("dd", O_CREATE) >= 0){
- puts("create dd succeeded!\n");
- exit();
- }
- if(open("dd", O_RDWR) >= 0){
- puts("open dd rdwr succeeded!\n");
- exit();
- }
- if(open("dd", O_WRONLY) >= 0){
- puts("open dd wronly succeeded!\n");
- exit();
- }
- if(link("dd/ff/ff", "dd/dd/xx") == 0){
- puts("link dd/ff/ff dd/dd/xx succeeded!\n");
- exit();
- }
- if(link("dd/xx/ff", "dd/dd/xx") == 0){
- puts("link dd/xx/ff dd/dd/xx succeeded!\n");
- exit();
- }
- if(link("dd/ff", "dd/dd/ffff") == 0){
- puts("link dd/ff dd/dd/ffff succeeded!\n");
- exit();
- }
- if(mkdir("dd/ff/ff") == 0){
- puts("mkdir dd/ff/ff succeeded!\n");
- exit();
- }
- if(mkdir("dd/xx/ff") == 0){
- puts("mkdir dd/xx/ff succeeded!\n");
- exit();
- }
- if(mkdir("dd/dd/ffff") == 0){
- puts("mkdir dd/dd/ffff succeeded!\n");
- exit();
- }
- if(unlink("dd/xx/ff") == 0){
- puts("unlink dd/xx/ff succeeded!\n");
- exit();
- }
- if(unlink("dd/ff/ff") == 0){
- puts("unlink dd/ff/ff succeeded!\n");
- exit();
- }
- if(chdir("dd/ff") == 0){
- puts("chdir dd/ff succeeded!\n");
- exit();
- }
- if(chdir("dd/xx") == 0){
- puts("chdir dd/xx succeeded!\n");
- exit();
- }
-
- if(unlink("dd/dd/ffff") != 0){
- puts("unlink dd/dd/ff failed\n");
- exit();
- }
- if(unlink("dd/ff") != 0){
- puts("unlink dd/ff failed\n");
- exit();
- }
-
- // unlink dd/dd
- // unlink dd
-
- puts("subdir ok\n");
-}
-
-void
-bigfile()
-{
- int fd, i, total, cc;
-
- unlink("bigfile");
- fd = open("bigfile", O_CREATE | O_RDWR);
- if(fd < 0){
- puts("cannot create bigfile");
- exit();
- }
- for(i = 0; i < 20; i++){
- memset(buf, i, 600);
- if(write(fd, buf, 600) != 600){
- puts("write bigfile failed\n");
- exit();
- }
- }
- close(fd);
-
- fd = open("bigfile", 0);
- if(fd < 0){
- puts("cannot open bigfile\n");
- exit();
- }
- total = 0;
- for(i = 0; ; i++){
- cc = read(fd, buf, 300);
- if(cc < 0){
- puts("read bigfile failed\n");
- exit();
- }
- if(cc == 0)
- break;
- if(cc != 300){
- puts("short read bigfile\n");
- exit();
- }
- if(buf[0] != i/2 || buf[299] != i/2){
- puts("read bigfile wrong data\n");
- exit();
- }
- total += cc;
- }
- close(fd);
- if(total != 20*600){
- puts("read bigfile wrong total\n");
- exit();
- }
- unlink("bigfile");
-
- puts("bigfile ok\n");
-}
-
-void
-fourteen()
-{
- int fd;
-
- if(mkdir("12345678901234") != 0){
- puts("mkdir 12345678901234 failed\n");
- exit();
- }
- if(mkdir("12345678901234/123456789012345") != 0){
- puts("mkdir 12345678901234/123456789012345 failed\n");
- exit();
- }
- fd = open("123456789012345/123456789012345/123456789012345", O_CREATE);
- if(fd < 0){
- puts("create 123456789012345/123456789012345/123456789012345 failed\n");
- exit();
- }
- close(fd);
- fd = open("12345678901234/12345678901234/12345678901234", 0);
- if(fd < 0){
- puts("open 12345678901234/12345678901234/12345678901234 failed\n");
- exit();
- }
- close(fd);
-
- if(mkdir("12345678901234/12345678901234") == 0){
- puts("mkdir 12345678901234/12345678901234 succeeded!\n");
- exit();
- }
- if(mkdir("123456789012345/12345678901234") == 0){
- puts("mkdir 12345678901234/123456789012345 succeeded!\n");
- exit();
- }
-
- puts("fourteen ok\n");
-}
-
-int
-main(int argc, char *argv[])
-{
- puts("fstests starting\n");
-
- fourteen();
- bigfile();
- subdir();
- // bigdir(); // slow
- concreate();
- linktest();
- unlinkread();
- createdelete();
- twofiles();
- sharedfd();
-
- puts("fstests finished\n");
- exit();
-}
--
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