1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/NumberFormat/negativeZeroFractionDigits.js b/js/src/tests/non262/Intl/NumberFormat/negativeZeroFractionDigits.js
new file mode 100644
index 0000000000..0db461f50e
--- /dev/null
+++ b/js/src/tests/non262/Intl/NumberFormat/negativeZeroFractionDigits.js
@@ -0,0 +1,21 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+const optionsList = [
+    {minimumFractionDigits: -0, maximumFractionDigits: -0},
+    {minimumFractionDigits: -0, maximumFractionDigits: +0},
+    {minimumFractionDigits: +0, maximumFractionDigits: -0},
+    {minimumFractionDigits: +0, maximumFractionDigits: +0},
+];
+
+for (let options of optionsList) {
+    let numberFormat = new Intl.NumberFormat("en-US", options);
+
+    let {minimumFractionDigits, maximumFractionDigits} = numberFormat.resolvedOptions();
+    assertEq(minimumFractionDigits, +0);
+    assertEq(maximumFractionDigits, +0);
+
+    assertEq(numberFormat.format(123), "123");
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);