37 lines
788 B
JavaScript
37 lines
788 B
JavaScript
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'use strict';
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require('../common');
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const assert = require('assert');
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const { isStringOneByteRepresentation } = require('v8');
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[
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undefined,
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null,
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false,
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5n,
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5,
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Symbol(),
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() => {},
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{},
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].forEach((value) => {
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assert.throws(
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() => { isStringOneByteRepresentation(value); },
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/The "content" argument must be of type string/
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);
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});
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{
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const latin1String = 'hello world!';
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// Run this inside a for loop to trigger the fast API
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for (let i = 0; i < 10_000; i++) {
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assert.strictEqual(isStringOneByteRepresentation(latin1String), true);
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}
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}
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{
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const utf16String = '你好😀😃';
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// Run this inside a for loop to trigger the fast API
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for (let i = 0; i < 10_000; i++) {
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assert.strictEqual(isStringOneByteRepresentation(utf16String), false);
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}
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}
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