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0d92ce497b
The `actual` and the `expected` parameters are respectively the first and the second. PR-URL: https://github.com/nodejs/node/pull/57217 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Chemi Atlow <chemi@atlow.co.il> Reviewed-By: James M Snell <jasnell@gmail.com>
61 lines
2.0 KiB
JavaScript
61 lines
2.0 KiB
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const buf = Buffer.allocUnsafe(9);
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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(rtn, val);
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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(rtn, val);
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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${endianness}`](val, 0);
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assert.strictEqual(buf[`readBigInt64${endianness}`](0), val);
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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${endianness}`](val, 0);
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assert.strictEqual(buf[`readBigUInt64${endianness}`](0), val);
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assert.strictEqual(buf[`writeBigUInt64${endianness}`](val, 0), 8);
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assert.strictEqual(buf[`writeBigInt64${endianness}`](val, 0), 8);
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assert.strictEqual(buf[`writeBigUInt64${endianness}`](val, 1), 9);
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assert.strictEqual(buf[`writeBigInt64${endianness}`](val, 1), 9);
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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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