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996a774eba
If the buffer allocation fails due to insufficient memory, there is no point continue testing toString(). PR-URL: https://github.com/nodejs/node/pull/58415 Reviewed-By: LiviaMedeiros <livia@cirno.name> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
44 lines
1 KiB
JavaScript
44 lines
1 KiB
JavaScript
'use strict';
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const common = require('../common');
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// This test ensures that Node.js throws an Error when trying to convert a
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// large buffer into a string.
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// Regression test for https://github.com/nodejs/node/issues/649.
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if (!common.enoughTestMem) {
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common.skip('skipped due to memory requirements');
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}
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const assert = require('assert');
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const {
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Buffer,
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constants: {
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MAX_STRING_LENGTH,
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},
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} = require('buffer');
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const len = MAX_STRING_LENGTH + 1;
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const message = {
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code: 'ERR_STRING_TOO_LONG',
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name: 'Error',
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};
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function test(getBuffer) {
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let buf;
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try {
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buf = getBuffer();
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} catch (e) {
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// If the buffer allocation fails, we skip the test.
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if (e.code === 'ERR_MEMORY_ALLOCATION_FAILED' || /Array buffer allocation failed/.test(e.message)) {
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return;
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}
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}
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assert.throws(() => { buf.toString('utf8'); }, message);
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}
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test(() => Buffer(len));
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test(() => Buffer.allocUnsafeSlow(len));
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test(() => Buffer.alloc(len));
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test(() => Buffer.allocUnsafe(len));
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test(() => Buffer.allocUnsafeSlow(len));
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