1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/matchAll/regexp-prototype-matchAll-invocation.js b/js/src/tests/test262/built-ins/String/prototype/matchAll/regexp-prototype-matchAll-invocation.js
new file mode 100644
index 0000000000..0da71822e4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/matchAll/regexp-prototype-matchAll-invocation.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2018 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: pending
+description: Behavior when invoking of @@matchAll
+info: |
+  String.prototype.matchAll ( regexp )
+    [...]
+    2. If regexp is neither undefined nor null, then
+      a. Let matcher be ? GetMethod(regexp, @@matchAll).
+      b. If matcher is not undefined, then
+        i. Return ? Call(matcher, regexp, « O »).
+features: [Symbol.matchAll]
+---*/
+
+var obj = {};
+var returnVal = {};
+var callCount = 0;
+var thisVal, args;
+
+RegExp.prototype[Symbol.matchAll] = function() {
+  callCount++;
+  thisVal = this;
+  args = arguments;
+  return returnVal;
+};
+
+var regexp = /./g;
+var str = '';
+
+assert.sameValue(str.matchAll(regexp), returnVal);
+assert.sameValue(callCount, 1, 'Invokes the method exactly once');
+assert.sameValue(thisVal, regexp);
+assert.notSameValue(args, undefined);
+assert.sameValue(args.length, 1);
+assert.sameValue(args[0], str);
+
+reportCompare(0, 0);