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330f25ef82
Make changes so that tests will pass when the comma-dangle settings applied to the rest of the code base are also applied to tests. PR-URL: https://github.com/nodejs/node/pull/37930 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Derek Lewis <DerekNonGeneric@inf.is>
59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
'use strict';
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const common = require('../common');
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if (!common.hasCrypto)
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common.skip('missing crypto');
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const assert = require('assert');
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const {
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randomUUID,
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} = require('crypto');
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const last = new Set([
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'00000000-0000-0000-0000-000000000000',
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]);
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function testMatch(uuid) {
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assert.match(
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uuid,
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/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/);
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}
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// Generate a number of UUID's to make sure we're
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// not just generating the same value over and over
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// and to make sure the batching changes the random
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// bytes.
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for (let n = 0; n < 130; n++) {
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const uuid = randomUUID();
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assert(!last.has(uuid));
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last.add(uuid);
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assert.strictEqual(typeof uuid, 'string');
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assert.strictEqual(uuid.length, 36);
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testMatch(uuid);
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// Check that version 4 identifier was populated.
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assert.strictEqual(
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Buffer.from(uuid.substr(14, 2), 'hex')[0] & 0x40, 0x40);
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// Check that clock_seq_hi_and_reserved was populated with reserved bits.
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assert.strictEqual(
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Buffer.from(uuid.substr(19, 2), 'hex')[0] & 0b1100_0000, 0b1000_0000);
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}
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// Test non-buffered UUID's
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{
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testMatch(randomUUID({ disableEntropyCache: true }));
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testMatch(randomUUID({ disableEntropyCache: true }));
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testMatch(randomUUID({ disableEntropyCache: true }));
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testMatch(randomUUID({ disableEntropyCache: true }));
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assert.throws(() => randomUUID(1), {
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code: 'ERR_INVALID_ARG_TYPE'
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});
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assert.throws(() => randomUUID({ disableEntropyCache: '' }), {
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code: 'ERR_INVALID_ARG_TYPE'
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});
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}
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