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test: modernize test-fs-truncate-fd

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- changed `var` to `const` where variables were not reassigned.
- changed `assert.equal` to `assert.strictEqual` because there was no
downside to being more rigorous.

PR-URL: https://github.com/nodejs/node/pull/9978
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
This commit is contained in:
Nigel Kibodeaux 2016-12-01 11:06:29 -06:00 committed by James M Snell
parent c142e27f66
commit c9945672fc
1 changed files with 8 additions and 8 deletions
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16
test/parallel/test-fs-truncate-fd.js
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@ -1,17 +1,17 @@
'use strict';
var common = require('../common');
var assert = require('assert');
var path = require('path');
var fs = require('fs');
var tmp = common.tmpDir;
const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const tmp = common.tmpDir;
common.refreshTmpDir();
var filename = path.resolve(tmp, 'truncate-file.txt');
const filename = path.resolve(tmp, 'truncate-file.txt');
fs.writeFileSync(filename, 'hello world', 'utf8');
var fd = fs.openSync(filename, 'r+');
const fd = fs.openSync(filename, 'r+');
fs.truncate(fd, 5, common.mustCall(function(err) {
assert.ok(!err);
assert.equal(fs.readFileSync(filename, 'utf8'), 'hello');
assert.strictEqual(fs.readFileSync(filename, 'utf8'), 'hello');
}));
process.on('exit', function() {