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test: add property for RangeError in test-buffer-copy

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PR-URL: https://github.com/nodejs/node/pull/23968
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
This commit is contained in:
mritunjaygoutam12 2018-10-30 12:59:02 +05:30 committed by Rich Trott
parent 0d9d32ad15
commit a6e836a657
1 changed files with 13 additions and 5 deletions
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18
test/parallel/test-buffer-copy.js
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@ -1,10 +1,17 @@
'use strict'; 'use strict';
require('../common'); const common = require('../common');
const assert = require('assert'); const assert = require('assert');
const b = Buffer.allocUnsafe(1024); const b = Buffer.allocUnsafe(1024);
const c = Buffer.allocUnsafe(512); const c = Buffer.allocUnsafe(512);
const errorProperty = {
code: 'ERR_OUT_OF_RANGE',
type: RangeError,
message: 'Index out of range'
};
let cntr = 0; let cntr = 0;
{ {
@ -96,9 +103,9 @@ bb.fill('hello crazy world');
b.copy(c, 0, 100, 10); b.copy(c, 0, 100, 10);
// copy throws at negative sourceStart // copy throws at negative sourceStart
assert.throws(function() { common.expectsError(
Buffer.allocUnsafe(5).copy(Buffer.allocUnsafe(5), 0, -1); () => Buffer.allocUnsafe(5).copy(Buffer.allocUnsafe(5), 0, -1),
}, RangeError); errorProperty);
{ {
// check sourceEnd resets to targetEnd if former is greater than the latter // check sourceEnd resets to targetEnd if former is greater than the latter
@ -111,7 +118,8 @@ assert.throws(function() {
} }
// throw with negative sourceEnd // throw with negative sourceEnd
assert.throws(() => b.copy(c, 0, 0, -1), RangeError); common.expectsError(
() => b.copy(c, 0, -1), errorProperty);
// when sourceStart is greater than sourceEnd, zero copied // when sourceStart is greater than sourceEnd, zero copied
assert.strictEqual(b.copy(c, 0, 100, 10), 0); assert.strictEqual(b.copy(c, 0, 100, 10), 0);