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'use strict';
var common = require('../common');
var assert = require('assert');
var path = require('path');
var fs = require('fs');
var FILENAME = path.join(common.tmpDir, 'watch-me');
var TIMEOUT = 1300;
var nevents = 0;
try {
fs.unlinkSync(FILENAME);
} catch (e) {
// swallow
}
fs.watchFile(FILENAME, {interval: TIMEOUT - 250}, function(curr, prev) {
console.log([curr, prev]);
switch (++nevents) {
case 1:
assert.equal(common.fileExists(FILENAME), false);
break;
case 2:
case 3:
assert.equal(common.fileExists(FILENAME), true);
break;
case 4:
assert.equal(common.fileExists(FILENAME), false);
fs.unwatchFile(FILENAME);
break;
default:
assert(0);
}
});
process.on('exit', function() {
assert.equal(nevents, 4);
});
setTimeout(createFile, TIMEOUT);
function createFile() {
console.log('creating file');
fs.writeFileSync(FILENAME, 'test');
setTimeout(touchFile, TIMEOUT);
}
function touchFile() {
console.log('touch file');
fs.writeFileSync(FILENAME, 'test');
setTimeout(removeFile, TIMEOUT);
}
function removeFile() {
console.log('remove file');
fs.unlinkSync(FILENAME);
}
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