'use strict';
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var fileSyncCmp = require('../');
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var assert = require('assert');
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var fs = require('fs');
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var tmp = require('tmp');
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tmp.setGracefulCleanup();
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var Q = require('q');
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var fsWrite = Q.nfbind(fs.write);
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var tmpFile = Q.nfbind(tmp.file);
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function write (fd, buf) {
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return fsWrite(fd, buf, 0, buf.length, null);
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}
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describe('equalFiles', function () {
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var pathA, pathB;
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var fdA, fdB;
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beforeEach(function () {
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return Q.all([tmpFile(), tmpFile()]).spread(function (a, b) {
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pathA = a[0];
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pathB = b[0];
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fdA = a[1];
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fdB = b[1];
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});
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});
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it('should handle empty files', function () {
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assert(fileSyncCmp.equalFiles(pathA, pathB));
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});
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it('should handle equal content', function () {
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var buf = new Buffer('File content\n');
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var writes = [write(fdA, buf), write(fdB, buf)];
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return Q.all(writes).then(function () {
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assert(fileSyncCmp.equalFiles(pathA, pathB));
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});
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});
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it('should handle non-equal content', function () {
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var bufA = new Buffer('Some text\n');
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var bufB = new Buffer('Other text\n');
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var writes = [write(fdA, bufA), write(fdB, bufB)];
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return Q.all(writes).then(function () {
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assert(!fileSyncCmp.equalFiles(pathA, pathB));
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});
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});
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});
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