1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor-length-throws.js b/js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor-length-throws.js
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+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/map/speciesctor-get-species-custom-ctor-length-throws.js
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+// Copyright (C) 2018 Peter Wong. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.map
+description: >
+  Throws a TypeError if new typedArray's length < len
+info: |
+  22.2.3.19 %TypedArray%.prototype.map ( callbackfn [ , thisArg ] )
+
+  ...
+  6. Let A be ? TypedArraySpeciesCreate(O, « len »).
+  ...
+
+  22.2.4.7 TypedArraySpeciesCreate ( exemplar, argumentList )
+
+  ...
+  4. Return ? TypedArrayCreate(constructor, argumentList).
+
+  22.2.4.6 TypedArrayCreate ( constructor, argumentList )
+
+  ...
+  3. If argumentList is a List of a single Number, then
+    a. If the value of newTypedArray's [[ArrayLength]] internal slot <
+    argumentList[0], throw a TypeError exception.
+  ...
+includes: [testTypedArray.js]
+features: [Symbol.species, TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA(2);
+
+  sample.constructor = {};
+  sample.constructor[Symbol.species] = function() {
+    return new TA();
+  };
+
+  assert.throws(TypeError, function() {
+    sample.map(function() { return 0; });
+  });
+});
+
+reportCompare(0, 0);