1 files changed, 76 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatToParts/main.js b/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatToParts/main.js
new file mode 100644
index 0000000000..b42b917232
--- /dev/null
+++ b/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatToParts/main.js
@@ -0,0 +1,76 @@
+// Copyright 2016 Mozilla Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Tests for existance and behavior of Intl.DateTimeFormat.prototype.formatToParts
+features: [Array.prototype.includes]
+---*/
+
+function reduce(parts) {
+  return parts.map(part => part.value).join('');
+}
+
+function compareFTPtoFormat(locales, options, value) {
+  const dtf = new Intl.DateTimeFormat(locales, options);
+  assert.sameValue(
+    dtf.format(value),
+    reduce(dtf.formatToParts(value)),
+    `Expected the same value for value ${value},
+     locales: ${locales} and options: ${options}`
+  );
+}
+
+compareFTPtoFormat();
+compareFTPtoFormat('pl');
+compareFTPtoFormat(['pl']);
+compareFTPtoFormat([]);
+compareFTPtoFormat(['de'], undefined, 0);
+compareFTPtoFormat(['de'], undefined, -10);
+compareFTPtoFormat(['de'], undefined, 25324234235);
+compareFTPtoFormat(['de'], {
+  day: '2-digit'
+}, Date.now());
+compareFTPtoFormat(['de'], {
+  day: 'numeric',
+  year: '2-digit'
+}, Date.now());
+compareFTPtoFormat(['ar'], {
+  month: 'numeric',
+  day: 'numeric',
+  year: '2-digit'
+}, Date.now());
+
+const actualPartTypes = new Intl.DateTimeFormat('en-us', {
+  weekday: 'long',
+  era: 'long',
+  year: 'numeric',
+  month: 'numeric',
+  day: 'numeric',
+  hour: 'numeric',
+  minute: 'numeric',
+  second: 'numeric',
+  hour12: true,
+  timeZone: 'UTC',
+  timeZoneName: 'long'
+}).formatToParts(Date.UTC(2012, 11, 17, 3, 0, 42))
+  .map(part => part.type);
+
+const legalPartTypes = [
+  'weekday',
+  'era',
+  'year',
+  'month',
+  'day',
+  'hour',
+  'minute',
+  'second',
+  'literal',
+  'dayPeriod',
+  'timeZoneName',
+];
+
+actualPartTypes.forEach(function(type) {
+  assert(legalPartTypes.includes(type), `${type} is not a legal type`);
+});
+
+reportCompare(0, 0);