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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
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:
case 2:
assert.equal(fs.existsSync(FILENAME), true);
break;
case 3:
assert.equal(fs.existsSync(FILENAME), false);
fs.unwatchFile(FILENAME);
break;
default:
assert(0);
}
});
process.on('exit', function() {
assert.equal(nevents, 3);
});
setTimeout(createFile, TIMEOUT);
function createFile() {
fs.writeFileSync(FILENAME, "test");
setTimeout(touchFile, TIMEOUT);
}
function touchFile() {
fs.writeFileSync(FILENAME, "test");
setTimeout(removeFile, TIMEOUT);
}
function removeFile() {
fs.unlinkSync(FILENAME);
}