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4f20c882ec
PR-URL: https://github.com/nodejs/node/pull/45548 Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
'use strict';
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const common = require('../../common');
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const skipMessage = 'intensive toString tests due to memory confinements';
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if (!common.enoughTestMem)
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common.skip(skipMessage);
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const assert = require('assert');
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const binding = require(`./build/${common.buildType}/binding`);
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// v8 fails silently if string length > v8::String::kMaxLength
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// v8::String::kMaxLength defined in v8.h
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const kStringMaxLength = require('buffer').constants.MAX_STRING_LENGTH;
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let buf;
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try {
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buf = Buffer.allocUnsafe(kStringMaxLength + 1);
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} catch (e) {
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// If the exception is not due to memory confinement then rethrow it.
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if (e.message !== 'Array buffer allocation failed') throw (e);
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common.skip(skipMessage);
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}
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// Ensure we have enough memory available for future allocations to succeed.
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if (!binding.ensureAllocation(2 * kStringMaxLength))
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common.skip(skipMessage);
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const stringLengthHex = kStringMaxLength.toString(16);
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assert.throws(() => {
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buf.toString('ascii');
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}, {
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message: `Cannot create a string longer than 0x${stringLengthHex} ` +
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'characters',
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code: 'ERR_STRING_TOO_LONG',
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name: 'Error',
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});
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