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test/parallel/test-buffer-parent-property.js

@@ -0,0 +1,21 @@
+'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);