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This commit adds a WASI test to cover the following functions: - __wasi_fd_filestat_set_size() - __wasi_fd_tell() PR-URL: https://github.com/nodejs/node/pull/31617 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
40 lines
901 B
C
40 lines
901 B
C
#include <sys/stat.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <unistd.h>
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#define BASE_DIR "/tmp"
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#define OUTPUT_DIR BASE_DIR "/testdir"
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#define PATH OUTPUT_DIR "/output.txt"
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int main(void) {
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struct stat st;
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int fd;
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(void)st;
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assert(0 == mkdir(OUTPUT_DIR, 0755));
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fd = open(PATH, O_CREAT | O_WRONLY, 0666);
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assert(fd != -1);
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/* Verify that the file is initially empty. */
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assert(0 == fstat(fd, &st));
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assert(st.st_size == 0);
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assert(0 == lseek(fd, 0, SEEK_CUR));
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/* Increase the file size using ftruncate(). */
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assert(0 == ftruncate(fd, 500));
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assert(0 == fstat(fd, &st));
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assert(st.st_size == 500);
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assert(0 == lseek(fd, 0, SEEK_CUR));
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/* Truncate the file using ftruncate(). */
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assert(0 == ftruncate(fd, 300));
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assert(0 == fstat(fd, &st));
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assert(st.st_size == 300);
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assert(0 == lseek(fd, 0, SEEK_CUR));
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assert(0 == close(fd));
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return 0;
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}
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