1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/prototype/toSorted/tuplelength-internal.js b/js/src/tests/non262/Tuple/prototype/toSorted/tuplelength-internal.js
new file mode 100644
index 0000000000..8353eaea11
--- /dev/null
+++ b/js/src/tests/non262/Tuple/prototype/toSorted/tuplelength-internal.js
@@ -0,0 +1,28 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+/* Use internal length rather than getting a length property */
+var getCalls = 0;
+var desc = {
+  get: function getLen() {
+    getCalls++;
+    return 0;
+  }
+};
+
+var internalLength = Object.getOwnPropertyDescriptor(Tuple.prototype, "length").get;
+Object.defineProperty(Tuple.prototype, "length", desc);
+
+let sample = #[42,42,42];
+
+getCalls = 0;
+
+var result = sample.toSorted();
+
+assertEq(getCalls, 0)
+assertEq(result, sample);
+assertEq(result[0], sample[0]);
+assertEq(result[1], sample[1]);
+assertEq(result[2], sample[2]);
+assertEq(result.length, 0);
+assertEq(internalLength.call(result), 3);
+
+reportCompare(0, 0);