1 files changed, 37 insertions, 0 deletions
diff --git a/test/built-ins/TypedArrays/from/BigInt/mapfn-this-with-thisarg.js b/test/built-ins/TypedArrays/from/BigInt/mapfn-this-with-thisarg.js
new file mode 100644
index 000000000..b748126af
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+++ b/test/built-ins/TypedArrays/from/BigInt/mapfn-this-with-thisarg.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.from
+description: >
+  Assert mapfn `this` with thisArg
+info: |
+  22.2.2.1 %TypedArray%.from ( source [ , mapfn [ , thisArg ] ] )
+
+  ...
+  5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+  ...
+  10. Repeat, while k < len
+    ...
+    c. If mapping is true, then
+      i. Let mappedValue be ? Call(mapfn, T, « kValue, k »).
+  ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+var source = [42, 43];
+var thisArg = {};
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var results = [];
+  var mapfn = function() {
+    results.push(this);
+    return convertToBigInt(0);
+  };
+
+  TA.from(source, mapfn, thisArg);
+
+  assert.sameValue(results.length, 2);
+  assert.sameValue(results[0], thisArg);
+  assert.sameValue(results[1], thisArg);
+});