1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/DateTimeFormat/formatRange-original-skeleton.js b/js/src/tests/non262/Intl/DateTimeFormat/formatRange-original-skeleton.js
new file mode 100644
index 0000000000..c24598794e
--- /dev/null
+++ b/js/src/tests/non262/Intl/DateTimeFormat/formatRange-original-skeleton.js
@@ -0,0 +1,18 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+// Test that the interval formatting uses the original skeleton, not the skeleton
+// derived from the resolved pattern.
+{
+  let dtf = new Intl.DateTimeFormat("zh-Hans-CN", {
+    formatMatcher: "best fit",
+    month: "narrow",
+    day: "2-digit",
+    timeZone: "UTC"
+  });
+
+  assertEq(dtf.format(Date.UTC(2016, 7, 1)), "8月01日");
+  assertEq(dtf.formatRange(Date.UTC(2016, 7, 1), Date.UTC(2016, 7, 2)), "8月1日至2日");
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0, "ok");