1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/create-species-with-non-configurable-property-spreadable.js b/js/src/tests/test262/built-ins/Array/prototype/concat/create-species-with-non-configurable-property-spreadable.js
new file mode 100644
index 0000000000..49bbd170f4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/concat/create-species-with-non-configurable-property-spreadable.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.concat
+description: >
+  TypeError is thrown if CreateDataProperty fails.
+  (result object's "0" is non-configurable, argument is spreadable)
+info: |
+  Array.prototype.concat ( ...arguments )
+
+  [...]
+  5. Repeat, while items is not empty
+    [...]
+    c. If spreadable is true, then
+      [...]
+      iv. Repeat, while k < len
+        [...]
+        3. If exists is true, then
+          [...]
+          b. Perform ? CreateDataPropertyOrThrow(A, ! ToString(n), subElement).
+    [...]
+
+  CreateDataPropertyOrThrow ( O, P, V )
+
+  [...]
+  3. Let success be ? CreateDataProperty(O, P, V).
+  4. If success is false, throw a TypeError exception.
+features: [Symbol.species]
+---*/
+
+var A = function(_length) {
+  Object.defineProperty(this, "0", {
+    writable: true,
+    configurable: false,
+  });
+};
+
+var arr = [];
+arr.constructor = {};
+arr.constructor[Symbol.species] = A;
+
+assert.throws(TypeError, function() {
+  arr.concat([1]);
+}, 'arr.concat([1]) throws a TypeError exception');
+
+reportCompare(0, 0);