test: add another fs.watchFile() test
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test/pummel/test-fs-watch-file-slow.js
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73
test/pummel/test-fs-watch-file-slow.js
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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var common = require('../common');
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var assert = require('assert');
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var path = require('path');
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var fs = require('fs');
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var FILENAME = path.join(common.tmpDir, 'watch-me');
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var TIMEOUT = 1300;
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var nevents = 0;
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try {
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fs.unlinkSync(FILENAME);
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}
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catch (e) {
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// swallow
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}
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fs.watchFile(FILENAME, {interval:TIMEOUT - 250}, function(curr, prev) {
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console.log([curr, prev]);
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switch (++nevents) {
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case 1:
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case 2:
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assert.equal(fs.existsSync(FILENAME), true);
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break;
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case 3:
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assert.equal(fs.existsSync(FILENAME), false);
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fs.unwatchFile(FILENAME);
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break;
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default:
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assert(0);
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}
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});
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process.on('exit', function() {
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assert.equal(nevents, 3);
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});
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setTimeout(createFile, TIMEOUT);
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function createFile() {
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fs.writeFileSync(FILENAME, "test");
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setTimeout(touchFile, TIMEOUT);
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}
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function touchFile() {
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fs.writeFileSync(FILENAME, "test");
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setTimeout(removeFile, TIMEOUT);
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}
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function removeFile() {
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fs.unlinkSync(FILENAME);
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}
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