diff options
Diffstat (limited to 'tests/node_compat/test/parallel/test-buffer-parent-property.js')
-rw-r--r-- | tests/node_compat/test/parallel/test-buffer-parent-property.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-buffer-parent-property.js b/tests/node_compat/test/parallel/test-buffer-parent-property.js new file mode 100644 index 000000000..6efc42d06 --- /dev/null +++ b/tests/node_compat/test/parallel/test-buffer-parent-property.js @@ -0,0 +1,28 @@ +// deno-fmt-ignore-file +// deno-lint-ignore-file + +// Copyright Joyent and Node contributors. All rights reserved. MIT license. +// Taken from Node 18.12.1 +// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually. + +'use strict'; + +// Fix for https://github.com/nodejs/node/issues/8266 +// +// Zero length Buffer objects should expose the `buffer` property of the +// TypedArrays, via the `parent` property. +require('../common'); +const assert = require('assert'); + +// If the length of the buffer object is zero +assert((new Buffer(0)).parent instanceof ArrayBuffer); + +// If the length of the buffer object is equal to the underlying ArrayBuffer +assert((new Buffer(Buffer.poolSize)).parent instanceof ArrayBuffer); + +// Same as the previous test, but with user created buffer +const arrayBuffer = new ArrayBuffer(0); +assert.strictEqual(new Buffer(arrayBuffer).parent, arrayBuffer); +assert.strictEqual(new Buffer(arrayBuffer).buffer, arrayBuffer); +assert.strictEqual(Buffer.from(arrayBuffer).parent, arrayBuffer); +assert.strictEqual(Buffer.from(arrayBuffer).buffer, arrayBuffer); |