#!/bin/bash
set -eu
echo "=== Allocator tests ==="
rm -rf blocks
tests/test.py << TEST
lfs_format(&lfs, &cfg) => 0;
TEST
SIZE=15000
lfs_mkdir() {
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_mkdir(&lfs, "$1") => 0;
lfs_unmount(&lfs) => 0;
TEST
}
lfs_remove() {
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_remove(&lfs, "$1/eggs") => 0;
lfs_remove(&lfs, "$1/bacon") => 0;
lfs_remove(&lfs, "$1/pancakes") => 0;
lfs_remove(&lfs, "$1") => 0;
lfs_unmount(&lfs) => 0;
TEST
}
lfs_alloc_singleproc() {
tests/test.py << TEST
const char *names[] = {"bacon", "eggs", "pancakes"};
lfs_mount(&lfs, &cfg) => 0;
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
sprintf((char*)buffer, "$1/%s", names[n]);
lfs_file_open(&lfs, &file[n], (char*)buffer,
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
}
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
size = strlen(names[n]);
for (int i = 0; i < $SIZE; i++) {
lfs_file_write(&lfs, &file[n], names[n], size) => size;
}
}
for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
lfs_file_close(&lfs, &file[n]) => 0;
}
lfs_unmount(&lfs) => 0;
TEST
}
lfs_alloc_multiproc() {
for name in bacon eggs pancakes
do
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file[0], "$1/$name",
LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
size = strlen("$name");
memcpy(buffer, "$name", size);
for (int i = 0; i < $SIZE; i++) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST
done
}
lfs_verify() {
for name in bacon eggs pancakes
do
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file[0], "$1/$name", LFS_O_RDONLY) => 0;
size = strlen("$name");
for (int i = 0; i < $SIZE; i++) {
lfs_file_read(&lfs, &file[0], buffer, size) => size;
memcmp(buffer, "$name", size) => 0;
}
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST
done
}
echo "--- Single-process allocation test ---"
lfs_mkdir singleproc
lfs_alloc_singleproc singleproc
lfs_verify singleproc
echo "--- Multi-process allocation test ---"
lfs_mkdir multiproc
lfs_alloc_multiproc multiproc
lfs_verify multiproc
lfs_verify singleproc
echo "--- Single-process reuse test ---"
lfs_remove singleproc
lfs_mkdir singleprocreuse
lfs_alloc_singleproc singleprocreuse
lfs_verify singleprocreuse
lfs_verify multiproc
echo "--- Multi-process reuse test ---"
lfs_remove multiproc
lfs_mkdir multiprocreuse
lfs_alloc_singleproc multiprocreuse
lfs_verify multiprocreuse
lfs_verify singleprocreuse
echo "--- Cleanup ---"
lfs_remove multiprocreuse
lfs_remove singleprocreuse
echo "--- Exhaustion test ---"
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
size = strlen("exhaustion");
memcpy(buffer, "exhaustion", size);
lfs_file_write(&lfs, &file[0], buffer, size) => size;
lfs_file_sync(&lfs, &file[0]) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
lfs_ssize_t res;
while (true) {
res = lfs_file_write(&lfs, &file[0], buffer, size);
if (res < 0) {
break;
}
res => size;
}
res => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_RDONLY);
size = strlen("exhaustion");
lfs_file_size(&lfs, &file[0]) => size;
lfs_file_read(&lfs, &file[0], buffer, size) => size;
memcmp(buffer, "exhaustion", size) => 0;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Exhaustion wraparound test ---"
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_file_open(&lfs, &file[0], "padding", LFS_O_WRONLY | LFS_O_CREAT);
size = strlen("buffering");
memcpy(buffer, "buffering", size);
for (int i = 0; i < $SIZE; i++) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
lfs_remove(&lfs, "padding") => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
size = strlen("exhaustion");
memcpy(buffer, "exhaustion", size);
lfs_file_write(&lfs, &file[0], buffer, size) => size;
lfs_file_sync(&lfs, &file[0]) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
lfs_ssize_t res;
while (true) {
res = lfs_file_write(&lfs, &file[0], buffer, size);
if (res < 0) {
break;
}
res => size;
}
res => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_RDONLY);
size = strlen("exhaustion");
lfs_file_size(&lfs, &file[0]) => size;
lfs_file_read(&lfs, &file[0], buffer, size) => size;
memcmp(buffer, "exhaustion", size) => 0;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Dir exhaustion test ---"
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < (cfg.block_count-6)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
lfs_mkdir(&lfs, "exhaustiondir") => 0;
lfs_remove(&lfs, "exhaustiondir") => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_APPEND);
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < (cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Chained dir exhaustion test ---"
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < (cfg.block_count-24)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
for (int i = 0; i < 9; i++) {
sprintf((char*)buffer, "dirwithanexhaustivelylongnameforpadding%d", i);
lfs_mkdir(&lfs, (char*)buffer) => 0;
}
lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < (cfg.block_count-26)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
lfs_mkdir(&lfs, "exhaustiondir") => 0;
lfs_mkdir(&lfs, "exhaustiondir2") => LFS_ERR_NOSPC;
TEST
echo "--- Split dir test ---"
rm -rf blocks
tests/test.py << TEST
lfs_format(&lfs, &cfg) => 0;
TEST
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
// create one block whole for half a directory
lfs_file_open(&lfs, &file[0], "bump", LFS_O_WRONLY | LFS_O_CREAT) => 0;
lfs_file_write(&lfs, &file[0], (void*)"hi", 2) => 2;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < (cfg.block_count-6)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
// open hole
lfs_remove(&lfs, "bump") => 0;
lfs_mkdir(&lfs, "splitdir") => 0;
lfs_file_open(&lfs, &file[0], "splitdir/bump",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
lfs_file_write(&lfs, &file[0], buffer, size) => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Outdated lookahead test ---"
rm -rf blocks
tests/test.py << TEST
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
// fill completely with two files
lfs_file_open(&lfs, &file[0], "exhaustion1",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-4)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
lfs_file_open(&lfs, &file[0], "exhaustion2",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-4+1)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
// remount to force reset of lookahead
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, &cfg) => 0;
// rewrite one file
lfs_file_open(&lfs, &file[0], "exhaustion1",
LFS_O_WRONLY | LFS_O_TRUNC) => 0;
lfs_file_sync(&lfs, &file[0]) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-4)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
// rewrite second file, this requires lookahead does not
// use old population
lfs_file_open(&lfs, &file[0], "exhaustion2",
LFS_O_WRONLY | LFS_O_TRUNC) => 0;
lfs_file_sync(&lfs, &file[0]) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-4+1)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
TEST
echo "--- Outdated lookahead and split dir test ---"
rm -rf blocks
tests/test.py << TEST
lfs_format(&lfs, &cfg) => 0;
lfs_mount(&lfs, &cfg) => 0;
// fill completely with two files
lfs_file_open(&lfs, &file[0], "exhaustion1",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-4)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
lfs_file_open(&lfs, &file[0], "exhaustion2",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-4+1)/2)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
// remount to force reset of lookahead
lfs_unmount(&lfs) => 0;
lfs_mount(&lfs, &cfg) => 0;
// rewrite one file with a hole of one block
lfs_file_open(&lfs, &file[0], "exhaustion1",
LFS_O_WRONLY | LFS_O_TRUNC) => 0;
lfs_file_sync(&lfs, &file[0]) => 0;
size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0;
i < ((cfg.block_count-4)/2 - 1)*(cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size;
}
lfs_file_close(&lfs, &file[0]) => 0;
// try to allocate a directory, should fail!
lfs_mkdir(&lfs, "split") => LFS_ERR_NOSPC;
// file should not fail
lfs_file_open(&lfs, &file[0], "notasplit",
LFS_O_WRONLY | LFS_O_CREAT) => 0;
lfs_file_write(&lfs, &file[0], "hi", 2) => 2;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Results ---"
tests/stats.py
