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add test for truncate, stat

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WangRunji 2019-03-20 18:14:01 +08:00 committed by Tate Tian
parent e095e8a4f0
commit 4a9b7aa1b0
1 changed files with 23 additions and 4 deletions
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27
test/truncate/main.c
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@ -6,15 +6,16 @@
#include <stdio.h>
int main(int argc, const char* argv[]) {
const char* file_name = "tmp.txt";
const char* FILE_NAME = "tmp.txt";
const int TRUNC_LEN = 256;
const int TRUNC_LEN1 = 128;
const int MODE_MASK = 0777;
int ret;
int flags = O_WRONLY | O_CREAT| O_TRUNC;
int mode = 00666;
int fd = open(file_name, flags, mode);
int fd = open(FILE_NAME, flags, mode);
if (fd < 0) {
printf("failed to open a file for write\n");
return fd;
@ -22,7 +23,7 @@ int main(int argc, const char* argv[]) {
ret = ftruncate(fd, TRUNC_LEN);
if (ret < 0) {
printf("failed to truncate the file\n");
printf("failed to ftruncate the file\n");
return ret;
}
@ -51,6 +52,24 @@ int main(int argc, const char* argv[]) {
close(fd);
printf("Truncate & fstat test succesful\n");
ret = truncate(FILE_NAME, TRUNC_LEN1);
if (ret < 0) {
printf("failed to truncate the file\n");
return ret;
}
ret = stat(FILE_NAME, &stat_buf);
if (ret < 0) {
printf("failed to stat the file\n");
return ret;
}
file_size = stat_buf.st_size;
if (file_size != TRUNC_LEN1) {
printf("Incorrect file size %d. Expected %d\n", file_size, TRUNC_LEN1);
return -1;
}
printf("(f)truncate, (f)stat test successful\n");
return 0;
}