1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/tointeger-begin.js b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/tointeger-begin.js
new file mode 100644
index 0000000000..4fcce8b780
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/tointeger-begin.js
@@ -0,0 +1,50 @@
+// 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.subarray
+description: ToInteger(begin)
+info: |
+  22.2.3.27 %TypedArray%.prototype.subarray( begin , end )
+
+  ...
+  7. Let relativeBegin be ? ToInteger(begin).
+  ...
+includes: [testBigIntTypedArray.js, compareArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+var obj = {
+  valueOf: function() {
+    return 2;
+  }
+};
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample = new TA([40n, 41n, 42n, 43n]);
+
+  assert(compareArray(sample.subarray(false), [40n, 41n, 42n, 43n]), "false");
+  assert(compareArray(sample.subarray(true), [41n, 42n, 43n]), "true");
+
+  assert(compareArray(sample.subarray(NaN), [40n, 41n, 42n, 43n]), "NaN");
+  assert(compareArray(sample.subarray(null), [40n, 41n, 42n, 43n]), "null");
+  assert(compareArray(sample.subarray(undefined), [40n, 41n, 42n, 43n]), "undefined");
+
+  assert(compareArray(sample.subarray(1.1), [41n, 42n, 43n]), "1.1");
+  assert(compareArray(sample.subarray(1.5), [41n, 42n, 43n]), "1.5");
+  assert(compareArray(sample.subarray(0.6), [40n, 41n, 42n, 43n]), "0.6");
+
+  assert(compareArray(sample.subarray(-1.5), [43n]), "-1.5");
+  assert(compareArray(sample.subarray(-1.1), [43n]), "-1.1");
+  assert(compareArray(sample.subarray(-0.6), [40n, 41n, 42n, 43n]), "-0.6");
+
+  assert(compareArray(sample.subarray("3"), [43n]), "string");
+  assert(
+    compareArray(
+      sample.subarray(obj),
+      [42n, 43n]
+    ),
+    "object"
+  );
+});
+
+reportCompare(0, 0);