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#include <stdio.h>
#include <emscripten.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
int result = 1;
void success()
{
REPORT_RESULT(result);
}
void test() {
int fd;
#if FIRST
// for each file, we first make sure it doesn't currently exist
// (we delete it at the end of !FIRST). We then test an empty
// file plus two files each with a small amount of content
struct stat st;
// the empty file
if ((stat("/working1/empty.txt", &st) != -1) || (errno != ENOENT))
result = -1000 - errno;
fd = open("/working1/empty.txt", O_RDWR | O_CREAT, 0666);
if (fd == -1)
result = -2000 - errno;
else if (close(fd) != 0)
result = -3000 - errno;
// a file whose contents are just 'az'
if ((stat("/working1/waka.txt", &st) != -1) || (errno != ENOENT))
result = -4000 - errno;
fd = open("/working1/waka.txt", O_RDWR | O_CREAT, 0666);
if (fd == -1)
result = -5000 - errno;
else
{
if (write(fd,"az",2) != 2)
result = -6000 - errno;
if (close(fd) != 0)
result = -7000 - errno;
}
// a file whose contents are random-ish string set by the test_browser.py file
if ((stat("/working1/moar.txt", &st) != -1) || (errno != ENOENT))
result = -8000 - errno;
fd = open("/working1/moar.txt", O_RDWR | O_CREAT, 0666);
if (fd == -1)
result = -9000 - errno;
else
{
if (write(fd, SECRET, strlen(SECRET)) != strlen(SECRET))
result = -10000 - errno;
if (close(fd) != 0)
result = -11000 - errno;
}
#else
// does the empty file exist?
fd = open("/working1/empty.txt", O_RDONLY);
if (fd == -1)
result = -12000 - errno;
else if (close(fd) != 0)
result = -13000 - errno;
if (unlink("/working1/empty.txt") != 0)
result = -14000 - errno;
// does the 'az' file exist, and does it contain 'az'?
fd = open("/working1/waka.txt", O_RDONLY);
if (fd == -1)
result = -15000 - errno;
else
{
char bf[4];
int bytes_read = read(fd,&bf[0],sizeof(bf));
if (bytes_read != 2)
result = -16000;
else if ((bf[0] != 'a') || (bf[1] != 'z'))
result = -17000;
if (close(fd) != 0)
result = -18000 - errno;
if (unlink("/working1/waka.txt") != 0)
result = -19000 - errno;
}
// does the random-ish file exist and does it contain SECRET?
fd = open("/working1/moar.txt", O_RDONLY);
if (fd == -1)
result = -20000 - errno;
else
{
char bf[256];
int bytes_read = read(fd,&bf[0],sizeof(bf));
if (bytes_read != strlen(SECRET))
result = -21000;
else
{
bf[strlen(SECRET)] = 0;
if (strcmp(bf,SECRET) != 0)
result = -22000;
}
if (close(fd) != 0)
result = -23000 - errno;
if (unlink("/working1/moar.txt") != 0)
result = -24000 - errno;
}
#endif
#if EXTRA_WORK
EM_ASM(
for (var i = 0; i < 100; i++) {
FS.syncfs(function (err) {
assert(!err);
console.log('extra work');
});
}
);
#endif
// sync from memory state to persisted and then
// run 'success'
EM_ASM(
FS.syncfs(function (err) {
assert(!err);
ccall('success', 'v');
});
);
}
int main() {
EM_ASM(
FS.mkdir('/working1');
FS.mount(IDBFS, {}, '/working1');
// sync from persisted state into memory and then
// run the 'test' function
FS.syncfs(true, function (err) {
assert(!err);
ccall('test', 'v');
});
);
emscripten_exit_with_live_runtime();
return 0;
}