1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/length/define-own-prop-length-no-value-order.js b/js/src/tests/test262/built-ins/Array/length/define-own-prop-length-no-value-order.js
new file mode 100644
index 0000000000..790a2705fe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/length/define-own-prop-length-no-value-order.js
@@ -0,0 +1,64 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-arraysetlength
+description: >
+  Ordinary descriptor validation if [[Value]] is absent.
+info: |
+  ArraySetLength ( A, Desc )
+
+  1. If Desc.[[Value]] is absent, then
+    a. Return OrdinaryDefineOwnProperty(A, "length", Desc).
+
+  OrdinaryDefineOwnProperty ( O, P, Desc )
+
+  [...]
+  3. Return ValidateAndApplyPropertyDescriptor(O, P, extensible, Desc, current).
+
+  ValidateAndApplyPropertyDescriptor ( O, P, extensible, Desc, current )
+
+  [...]
+  4. If current.[[Configurable]] is false, then
+    a. If Desc.[[Configurable]] is present and its value is true, return false.
+    b. If Desc.[[Enumerable]] is present and
+      ! SameValue(Desc.[[Enumerable]], current.[[Enumerable]]) is false, return false.
+  [...]
+  6. Else if ! SameValue(! IsDataDescriptor(current), ! IsDataDescriptor(Desc)) is false, then
+    a. If current.[[Configurable]] is false, return false.
+  [...]
+  7. Else if IsDataDescriptor(current) and IsDataDescriptor(Desc) are both true, then
+    a. If current.[[Configurable]] is false and current.[[Writable]] is false, then
+      i. If Desc.[[Writable]] is present and Desc.[[Writable]] is true, return false.
+features: [Reflect]
+---*/
+
+assert.throws(TypeError, function() {
+  Object.defineProperty([], "length", {configurable: true});
+}, 'Object.defineProperty([], "length", {configurable: true}) throws a TypeError exception');
+
+assert(
+  !Reflect.defineProperty([], "length", {enumerable: true}),
+  'The value of !Reflect.defineProperty([], "length", {enumerable: true}) is expected to be true'
+);
+
+assert.throws(TypeError, function() {
+  Object.defineProperty([], "length", {
+    get: function() {
+      throw new Test262Error("[[Get]] shouldn't be called");
+    },
+  });
+}, 'Object.defineProperty([], "length", {get: function() {throw new Test262Error("[[Get]] shouldn"t be called");},}) throws a TypeError exception');
+
+assert(
+  !Reflect.defineProperty([], "length", {set: function(_value) {}}),
+  'The value of !Reflect.defineProperty([], "length", {set: function(_value) {}}) is expected to be true'
+);
+
+var array = [];
+Object.defineProperty(array, "length", {writable: false});
+assert.throws(TypeError, function() {
+  Object.defineProperty(array, "length", {writable: true});
+}, 'Object.defineProperty(array, "length", {writable: true}) throws a TypeError exception');
+
+reportCompare(0, 0);