1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/prototype/toSorted/comparefn-calls.js b/js/src/tests/non262/Tuple/prototype/toSorted/comparefn-calls.js
new file mode 100644
index 0000000000..e8d65b9445
--- /dev/null
+++ b/js/src/tests/non262/Tuple/prototype/toSorted/comparefn-calls.js
@@ -0,0 +1,25 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+var expectedThis = (function() {
+  return this;
+})();
+
+
+var sample = #[42, 42, 42, 42, 42];
+var calls = [];
+
+var comparefn = function() {
+    calls.push([this, arguments]);
+};
+
+let result = sample.toSorted(comparefn);
+
+assertEq(calls.length > 0, true);
+
+calls.forEach(function(args) {
+    assertEq(args[0], expectedThis);
+    assertEq(args[1].length, 2);
+    assertEq(args[1][0], 42);
+    assertEq(args[1][0], 42);
+});
+
+reportCompare(0, 0);