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df3c2929b9
Remove unnecessary imports from: * test/parallel/test-buffer-nopendingdep-map.js * test/parallel/test-buffer-pending-deprecation.js * test/parallel/test-buffer-sharedarraybuffer.js * test/parallel/test-buffer-slow.js * test/parallel/test-buffer-tojson.js * test/parallel/test-buffer-zero-fill.js Refs: https://github.com/nodejs/node/issues/13836 PR-URL: https://github.com/nodejs/node/pull/13851 Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const buffer = require('buffer');
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const SlowBuffer = buffer.SlowBuffer;
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const ones = [1, 1, 1, 1];
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// should create a Buffer
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let sb = SlowBuffer(4);
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assert(sb instanceof Buffer);
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assert.strictEqual(sb.length, 4);
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sb.fill(1);
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for (const [key, value] of sb.entries()) {
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assert.deepStrictEqual(value, ones[key]);
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}
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// underlying ArrayBuffer should have the same length
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assert.strictEqual(sb.buffer.byteLength, 4);
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// should work without new
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sb = SlowBuffer(4);
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assert(sb instanceof Buffer);
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assert.strictEqual(sb.length, 4);
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sb.fill(1);
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for (const [key, value] of sb.entries()) {
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assert.deepStrictEqual(value, ones[key]);
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}
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// should work with edge cases
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assert.strictEqual(SlowBuffer(0).length, 0);
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try {
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assert.strictEqual(
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SlowBuffer(buffer.kMaxLength).length, buffer.kMaxLength);
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} catch (e) {
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assert.strictEqual(e.message, 'Array buffer allocation failed');
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}
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// should work with number-coercible values
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assert.strictEqual(SlowBuffer('6').length, 6);
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assert.strictEqual(SlowBuffer(true).length, 1);
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// should create zero-length buffer if parameter is not a number
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assert.strictEqual(SlowBuffer().length, 0);
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assert.strictEqual(SlowBuffer(NaN).length, 0);
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assert.strictEqual(SlowBuffer({}).length, 0);
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assert.strictEqual(SlowBuffer('string').length, 0);
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// should throw with invalid length
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assert.throws(function() {
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SlowBuffer(Infinity);
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}, common.bufferMaxSizeMsg);
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assert.throws(function() {
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SlowBuffer(-1);
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}, /^RangeError: "size" argument must not be negative$/);
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assert.throws(function() {
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SlowBuffer(buffer.kMaxLength + 1);
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}, common.bufferMaxSizeMsg);
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