1 files changed, 59 insertions, 0 deletions
diff --git a/test/built-ins/TypedArray/prototype/slice/BigInt/speciesctor-get-species-custom-ctor-invocation.js b/test/built-ins/TypedArray/prototype/slice/BigInt/speciesctor-get-species-custom-ctor-invocation.js
new file mode 100644
index 000000000..5187a421f
--- /dev/null
+++ b/test/built-ins/TypedArray/prototype/slice/BigInt/speciesctor-get-species-custom-ctor-invocation.js
@@ -0,0 +1,59 @@
+// 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%.prototype.slice
+description: >
+  Verify arguments on custom @@species construct call
+info: |
+  22.2.3.24 %TypedArray%.prototype.slice ( start, end )
+
+  ...
+  9. Let A be ? TypedArraySpeciesCreate(O, « count »).
+  ...
+
+  22.2.4.7 TypedArraySpeciesCreate ( exemplar, argumentList )
+
+  ...
+  3. Let constructor be ? SpeciesConstructor(exemplar, defaultConstructor).
+  4. Return ? TypedArrayCreate(constructor, argumentList).
+
+  7.3.20 SpeciesConstructor ( O, defaultConstructor )
+
+  ...
+  5. Let S be ? Get(C, @@species).
+  ...
+  7. If IsConstructor(S) is true, return S.
+  ...
+
+  22.2.4.6 TypedArrayCreate ( constructor, argumentList )
+
+  1. Let newTypedArray be ? Construct(constructor, argumentList).
+  2. Perform ? ValidateTypedArray(newTypedArray).
+  3. If argumentList is a List of a single Number, then
+    ...
+  4. Return newTypedArray.
+includes: [testBigIntTypedArray.js]
+features: [BigInt, Symbol.species, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample = new TA(convertToBigInt([40, 41, 42]));
+  var result, ctorThis;
+
+  sample.constructor = {};
+  sample.constructor[Symbol.species] = function(count) {
+    result = arguments;
+    ctorThis = this;
+    return new TA(count);
+  };
+
+  sample.slice(1);
+
+  assert.sameValue(result.length, 1, "called with 1 arguments");
+  assert.sameValue(result[0], 2, "[0] is the new length count");
+
+  assert(
+    ctorThis instanceof sample.constructor[Symbol.species],
+    "`this` value in the @@species fn is an instance of the function itself"
+  );
+});