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62 lines
2 KiB
JavaScript
62 lines
2 KiB
JavaScript
// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
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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 buf = Buffer.allocUnsafe(8);
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['LE', 'BE'].forEach(function(endianness) {
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// Should allow simple BigInts to be written and read
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let val = 123456789n;
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buf[`writeBigInt64${endianness}`](val, 0);
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let rtn = buf[`readBigInt64${endianness}`](0);
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assert.strictEqual(val, rtn);
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// Should allow INT64_MAX to be written and read
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val = 0x7fffffffffffffffn;
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buf[`writeBigInt64${endianness}`](val, 0);
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rtn = buf[`readBigInt64${endianness}`](0);
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assert.strictEqual(val, rtn);
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// Should read and write a negative signed 64-bit integer
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val = -123456789n;
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buf[`writeBigInt64${endianness}`](val, 0);
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assert.strictEqual(val, buf[`readBigInt64${endianness}`](0));
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// Should read and write an unsigned 64-bit integer
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val = 123456789n;
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buf[`writeBigUInt64${endianness}`](val, 0);
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assert.strictEqual(val, buf[`readBigUInt64${endianness}`](0));
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// Should throw a RangeError upon INT64_MAX+1 being written
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assert.throws(function() {
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const val = 0x8000000000000000n;
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buf[`writeBigInt64${endianness}`](val, 0);
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}, RangeError);
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// Should throw a RangeError upon UINT64_MAX+1 being written
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assert.throws(function() {
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const val = 0x10000000000000000n;
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buf[`writeBigUInt64${endianness}`](val, 0);
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}, {
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code: 'ERR_OUT_OF_RANGE',
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message: 'The value of "value" is out of range. It must be ' +
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'>= 0n and < 2n ** 64n. Received 18_446_744_073_709_551_616n'
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});
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// Should throw a TypeError upon invalid input
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assert.throws(function() {
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buf[`writeBigInt64${endianness}`]('bad', 0);
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}, TypeError);
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// Should throw a TypeError upon invalid input
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assert.throws(function() {
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buf[`writeBigUInt64${endianness}`]('bad', 0);
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}, TypeError);
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});
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