1 files changed, 34 insertions, 0 deletions
diff --git a/test/intl402/12.3_b.js b/test/intl402/12.3_b.js
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+++ b/test/intl402/12.3_b.js
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+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 12.3_b
+description: >
+    Tests that Intl.DateTimeFormat.prototype functions throw a
+    TypeError if called on a non-object value or an object that hasn't
+    been  initialized as a DateTimeFormat.
+author: Norbert Lindenberg
+---*/
+
+var functions = {
+    "format getter": Object.getOwnPropertyDescriptor(Intl.DateTimeFormat.prototype, "format").get,
+    resolvedOptions: Intl.DateTimeFormat.prototype.resolvedOptions
+};
+var invalidTargets = [undefined, null, true, 0, "DateTimeFormat", [], {}];
+
+Object.getOwnPropertyNames(functions).forEach(function (functionName) {
+    var f = functions[functionName];
+    invalidTargets.forEach(function (target) {
+        var error;
+        try {
+            f.call(target);
+        } catch (e) {
+            error = e;
+        }
+        if (error === undefined) {
+            $ERROR("Calling " + functionName + " on " + target + " was not rejected.");
+        } else if (error.name !== "TypeError") {
+            $ERROR("Calling " + functionName + " on " + target + " was rejected with wrong error " + error.name + ".");
+        }
+    });
+});