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diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/toSorted/metadata/length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/toSorted/metadata/length.js
new file mode 100644
index 0000000000..5a9a625e33
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+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/toSorted/metadata/length.js
@@ -0,0 +1,33 @@
+// |reftest| shell-option(--enable-change-array-by-copy) skip-if(!Array.prototype.with||!xulRuntime.shell) -- change-array-by-copy is not enabled unconditionally, requires shell-options
+// Copyright (C) 2021 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%typedarray%.prototype.toSorted
+description: >
+  The "length" property of %TypedArray%.prototype.toSorted
+info: |
+  17 ECMAScript Standard Built-in Objects
+
+  Every built-in function object, including constructors, has a length property
+  whose value is an integer. Unless otherwise specified, this value is equal to
+  the largest number of named arguments shown in the subclause headings for the
+  function description. Optional parameters (which are indicated with brackets:
+  [ ]) or rest parameters (which are shown using the form «...name») are not
+  included in the default argument count.
+
+  Unless otherwise specified, the length property of a built-in function object
+  has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js, testTypedArray.js]
+features: [TypedArray, change-array-by-copy]
+---*/
+
+verifyProperty(TypedArray.prototype.toSorted, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true,
+});
+
+reportCompare(0, 0);