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diff --git a/test/built-ins/TypedArrays/ctors-bigint/typedarray-arg/src-typedarray-not-big-throws.js b/test/built-ins/TypedArrays/ctors-bigint/typedarray-arg/src-typedarray-not-big-throws.js
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+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-typedarray-typedarray
+description: >
+  If typedArray constructor argument is not a Big(U)Int, throw
+info: |
+  22.2.4.3 TypedArray ( typedArray )
+
+  This description applies only if the TypedArray function is called with at
+  least one argument and the Type of the first argument is Object and that
+  object has a [[TypedArrayName]] internal slot.
+
+  ...
+  19. Else,
+    ...
+    c. If one of srcType and elementType contains the substring "Big" and the other
+       does not, throw a TypeError exception.
+
+includes: [testBigIntTypedArray.js, testTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+var notBigTypedArray;
+
+testWithTypedArrayConstructors(function(TA) {
+
+  notBigTypedArray = new TA(16);
+
+  testWithBigIntTypedArrayConstructors(function(BTA) {
+    assert.throws(TypeError, function() {
+      new BTA(notBigTypedArray);
+    });
+  });
+
+});