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test: add test-buffer-prototype-inspect

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lib/buffer.js defines Buffer.prototype.inspect() to override how buffers
are presented by util.inspect(). Add basic tests for it.

PR-URL: https://github.com/nodejs/node/pull/11600
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
This commit is contained in:
Rich Trott 2017-02-27 23:56:39 -08:00 committed by James M Snell
parent bb5c84a1a7
commit 0d4bbf757c
1 changed files with 23 additions and 0 deletions
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23
test/parallel/test-buffer-prototype-inspect.js Normal file
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'use strict';
require('../common');
// lib/buffer.js defines Buffer.prototype.inspect() to override how buffers are
// presented by util.inspect().
const assert = require('assert');
const util = require('util');
{
const buf = Buffer.from('fhqwhgads');
assert.strictEqual(util.inspect(buf), '<Buffer 66 68 71 77 68 67 61 64 73>');
}
{
const buf = Buffer.from('');
assert.strictEqual(util.inspect(buf), '<Buffer >');
}
{
const buf = Buffer.from('x'.repeat(51));
assert.ok(/^<Buffer (78 ){50}\.\.\. >$/.test(util.inspect(buf)));
}