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finish page & file

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源文雨
2022-05-01 17:42:11 +08:00
parent 1463c1f606
commit eda10fba91
8 changed files with 546 additions and 35 deletions
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191
tests/page_test.c Normal file
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#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include "../include/binary.h"
#include "../include/file.h"
#include "../include/page.h"
void* pages[16];
uint8_t nullpage[PAGESZ];
int main() {
int fd = open("page_test_tmp.bin", O_RDWR | O_CREAT | O_TRUNC, 0644);
if(fd < 0) {
perror("create");
return 1;
}
if(init_file_header_page(fd) < 0) return 2;
for(int i = 0; i < 16; i++) {
void* page = alloc_page(fd);
if(page == NULL) {
perror("alloc_page");
return 3;
}
pages[i] = page;
}
puts("free!");
free_page(fd, pages[15]);
if(get_first_unused_block(fd) != 16*PAGESZ) return 5;
free_page(fd, pages[12]);
if(get_first_unused_block(fd) != 13*PAGESZ) return 6;
free_page(fd, pages[1]);
if(get_first_unused_block(fd) != 2*PAGESZ) return 7;
free_page(fd, pages[10]);
if(get_first_unused_block(fd) != 2*PAGESZ) return 8;
free_page(fd, pages[9]);
if(get_first_unused_block(fd) != 2*PAGESZ) return 8;
pages[1] = alloc_page(fd);
if(le64(pages[1]-8) != (uint64_t)(2*PAGESZ)) {
printf("1: %016llx != %016llx\n", le64(pages[1]-8), (uint64_t)(2*PAGESZ));
return 9;
}
pages[9] = alloc_page(fd);
if(le64(pages[9]-8) != (uint64_t)(10*PAGESZ)) {
printf("9: %016llx != %016llx\n", le64(pages[9]-8), (uint64_t)(11*PAGESZ));
return 10;
}
pages[10] = alloc_page(fd);
if(le64(pages[10]-8) != (uint64_t)(11*PAGESZ)) {
printf("10: %016llx != %016llx\n", le64(pages[10]-8), (uint64_t)(11*PAGESZ));
return 11;
}
pages[12] = alloc_page(fd);
if(le64(pages[12]-8) != (uint64_t)(13*PAGESZ)) return 12;
pages[15] = alloc_page(fd);
if(le64(pages[15]-8) != (uint64_t)(16*PAGESZ)) return 13;
for(int i = 0; i < 16; i++) {
if(free_page(fd, pages[i])) {
perror("free_page");
return 14;
}
}
close(fd);
fd = open("page_test_tmp.bin", O_RDWR, 0644);
if(fd < 0) {
perror("open");
return 15;
}
uint8_t* blk1 = alloc_block(fd, 40);
uint8_t* blk2 = alloc_block(fd, 22);
uint8_t* blk3 = alloc_block(fd, 33);
uint8_t* blk4 = alloc_block(fd, 4095);
memcpy(blk1, "hello world!", 13);
sync_block(fd, blk1);
lseek(fd, PAGESZ, SEEK_SET);
read(fd, blk2, 13);
if(strcmp((const char *)blk2, (const char *)blk1)) {
return 16;
}
sync_block(fd, blk2);
lseek(fd, PAGESZ+40, SEEK_SET);
read(fd, blk3, 13);
if(strcmp((const char *)blk3, (const char *)blk1)) {
return 17;
}
sync_block(fd, blk3);
lseek(fd, PAGESZ+40+22, SEEK_SET);
read(fd, blk4+222, 13);
sync_block(fd, blk4);
if(strcmp((const char *)&blk4[222], (const char *)blk1)) {
return 18;
}
memset(blk1, 0, 40);
lseek(fd, PAGESZ*2+222, SEEK_SET);
read(fd, blk1, 13);
if(strcmp((const char *)blk1, (const char *)blk2)) {
return 19;
}
if(free_block(fd, blk1)) {
perror("free_block(fd, blk1)");
return 20;
}
if(free_block(fd, blk2)) {
perror("free_block(fd, blk2)");
return 21;
}
if(free_block(fd, blk3)) {
perror("free_block(fd, blk3)");
return 22;
}
if(free_block(fd, blk4)) {
perror("free_block(fd, blk4)");
return 23;
}
blk1 = alloc_block(fd, 40+22+33);
memcpy(blk1+44, "hello world!", 13);
sync_block(fd, blk1);
lseek(fd, PAGESZ+44, SEEK_SET);
char buf[13];
read(fd, buf, 13);
if(strcmp((const char *)&blk1[44], (const char *)buf)) {
return 24;
}
close(fd);
fd = open("page_test_tmp.bin", O_RDWR | O_CREAT | O_TRUNC, 0644);
if(fd < 0) {
perror("create");
return 25;
}
if(init_file_header_page(fd) < 0) return 26;
blk1 = alloc_block(fd, 40);
blk2 = alloc_block(fd, 22);
blk3 = alloc_block(fd, 33);
blk4 = alloc_block(fd, 4095);
memcpy(blk1, "hello world!", 13);
sync_block(fd, blk1);
lseek(fd, PAGESZ, SEEK_SET);
read(fd, blk2, 13);
if(strcmp((const char *)blk2, (const char *)blk1)) {
return 16;
}
sync_block(fd, blk2);
lseek(fd, PAGESZ+40, SEEK_SET);
read(fd, blk3, 13);
if(strcmp((const char *)blk3, (const char *)blk1)) {
return 17;
}
sync_block(fd, blk3);
lseek(fd, PAGESZ+40+22, SEEK_SET);
read(fd, blk4+222, 13);
sync_block(fd, blk4);
if(strcmp((const char *)&blk4[222], (const char *)blk1)) {
return 18;
}
memset(blk1, 0, 40);
lseek(fd, PAGESZ*2+222, SEEK_SET);
read(fd, blk1, 13);
if(strcmp((const char *)blk1, (const char *)blk2)) {
return 19;
}
if(free_block(fd, blk1)) {
perror("free_block(fd, blk1)");
return 20;
}
if(free_block(fd, blk2)) {
perror("free_block(fd, blk2)");
return 21;
}
if(free_block(fd, blk3)) {
perror("free_block(fd, blk3)");
return 22;
}
if(free_block(fd, blk4)) {
perror("free_block(fd, blk4)");
return 23;
}
blk1 = alloc_block(fd, 40+22+33);
memcpy(blk1+44, "hello world!", 13);
sync_block(fd, blk1);
lseek(fd, PAGESZ+44, SEEK_SET);
memset(buf, 0, 13);
read(fd, buf, 13);
if(strcmp((const char *)&blk1[44], (const char *)buf)) {
return 24;
}
close(fd);
remove("page_test_tmp.bin");
return 0;
}