1 files changed, 75 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/NumberFormat/format-as-code-or-name.js b/js/src/tests/non262/Intl/NumberFormat/format-as-code-or-name.js
new file mode 100644
index 0000000000..ba257ecd71
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+++ b/js/src/tests/non262/Intl/NumberFormat/format-as-code-or-name.js
@@ -0,0 +1,75 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1093421;
+var summary =
+  "new Intl.NumberFormat(..., { style: 'currency', currency: '...', " +
+  "currencyDisplay: 'name' or 'code' }) should have behavior other than " +
+  "throwing";
+
+print(BUGNUMBER + ": " + summary);
+
+//-----------------------------------------------------------------------------
+
+// Test that currencyDisplay: "code" behaves correctly and doesn't throw.
+
+var usdCodeOptions =
+  {
+    style: "currency",
+    currency: "USD",
+    currencyDisplay: "code",
+    minimumFractionDigits: 0,
+    maximumFractionDigits: 0,
+  };
+var usDollarsCode = new Intl.NumberFormat("en-US", usdCodeOptions);
+assertEq(/USD/.test(usDollarsCode.format(25)), true);
+
+// ISO 4217 currency codes are formed from an ISO 3166-1 alpha-2 country code
+// followed by a third letter.  ISO 3166 guarantees that no country code
+// starting with "X" will ever be assigned.  Stepping carefully around a few
+// 4217-designated special "currencies", XQQ will never have a representation.
+// Thus, yes: this really is specified to work, as unrecognized or unsupported
+// codes pass into the string unmodified.
+var xqqCodeOptions =
+  {
+    style: "currency",
+    currency: "XQQ",
+    currencyDisplay: "code",
+    minimumFractionDigits: 0,
+    maximumFractionDigits: 0,
+  };
+var xqqMoneyCode = new Intl.NumberFormat("en-US", xqqCodeOptions);
+assertEq(/XQQ/.test(xqqMoneyCode.format(25)), true);
+
+// Test that currencyDisplay: "name" behaves without throwing.  (Unlike the two
+// above tests, the results here aren't guaranteed as the name is
+// implementation-defined.)
+var usdNameOptions =
+  {
+    style: "currency",
+    currency: "USD",
+    currencyDisplay: "name",
+    minimumFractionDigits: 0,
+    maximumFractionDigits: 0,
+  };
+var usDollarsName = new Intl.NumberFormat("en-US", usdNameOptions);
+assertEq(usDollarsName.format(25), "25 US dollars");
+
+// But if the implementation doesn't recognize the currency, the provided code
+// is used in place of a proper name, unmolested.
+var xqqNameOptions =
+  {
+    style: "currency",
+    currency: "XQQ",
+    currencyDisplay: "name",
+    minimumFractionDigits: 0,
+    maximumFractionDigits: 0,
+  };
+var xqqMoneyName = new Intl.NumberFormat("en-US", xqqNameOptions);
+assertEq(/XQQ/.test(xqqMoneyName.format(25)), true);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);