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test: expand test coverage of fs.js #10972

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test: expand test coverage of fs.js #10972

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e74898d
test: expand test coverage of fs.js
vinimdocarmo Jan 24, 2017
a9cb100
test: close and unlink file
vinimdocarmo Jan 24, 2017
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20 changes: 20 additions & 0 deletions test/parallel/test-fs-truncate-sync.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const tmp = common.tmpDir;

common.refreshTmpDir();

const filename = path.resolve(tmp, 'truncate-sync-file.txt');

fs.writeFileSync(filename, 'hello world', 'utf8');

const fd = fs.openSync(filename, 'r+');
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This isn't closed.

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done.


fs.truncateSync(fd, 5);
assert(fs.readFileSync(fd).equals(Buffer.from('hello')));

fs.closeSync(fd);
fs.unlinkSync(filename);
11 changes: 11 additions & 0 deletions test/parallel/test-fs-truncate.js
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Expand Up @@ -146,3 +146,14 @@ function testFtruncate(cb) {
assert(fs.readFileSync(file4).equals(Buffer.from('Hi\u0000\u0000')));
}));
}

{
const file5 = path.resolve(tmp, 'truncate-file-5.txt');
fs.writeFileSync(file5, 'Hi');
const fd = fs.openSync(file5, 'r+');
process.on('exit', () => fs.closeSync(fd));
fs.ftruncate(fd, undefined, common.mustCall(function(err) {
assert.ifError(err);
assert(fs.readFileSync(file5).equals(Buffer.from('')));
}));
}