diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/date-is-infinity-throws.js b/test/intl402/DateTimeFormat/prototype/formatToParts/date-is-infinity-throws.js
new file mode 100644
index 00000000000..760c13659f4
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/date-is-infinity-throws.js
@@ -0,0 +1,33 @@
+// Copyright 2016 Leonardo Balter. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: >
+  Throws a RangeError if date arg is cast to an Infinity value
+info: |
+  Intl.DateTimeFormat.prototype.formatToParts ([ date ])
+
+  4. If _date_ is not provided or is *undefined*, then
+    a. Let _x_ be *%Date_now%*().
+  5. Else,
+    a. Let _x_ be ? ToNumber(_date_).
+  6. Return ? FormatDateTimeToParts(_dtf_, _x_).
+
+  FormatDateTimeToParts(dateTimeFormat, x)
+
+  1. Let _parts_ be ? PartitionDateTimePattern(_dateTimeFormat_, _x_).
+
+  PartitionDateTimePattern (dateTimeFormat, x)
+
+  1. If _x_ is not a finite Number, throw a *RangeError* exception.
+---*/
+
+var dtf = new Intl.DateTimeFormat(["pt-BR"]);
+
+assert.throws(RangeError, function() {
+  dtf.formatToParts(Infinity);
+}, "+Infinity");
+
+assert.throws(RangeError, function() {
+  dtf.formatToParts(-Infinity);
+}, "-Infinity");
diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/date-is-nan-throws.js b/test/intl402/DateTimeFormat/prototype/formatToParts/date-is-nan-throws.js
new file mode 100644
index 00000000000..31e0a7766aa
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/date-is-nan-throws.js
@@ -0,0 +1,33 @@
+// Copyright 2016 Leonardo Balter. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: >
+  Throws a RangeError if date arg is cast to NaN
+info: |
+  Intl.DateTimeFormat.prototype.formatToParts ([ date ])
+
+  4. If _date_ is not provided or is *undefined*, then
+    a. Let _x_ be *%Date_now%*().
+  5. Else,
+    a. Let _x_ be ? ToNumber(_date_).
+  6. Return ? FormatDateTimeToParts(_dtf_, _x_).
+
+  FormatDateTimeToParts(dateTimeFormat, x)
+
+  1. Let _parts_ be ? PartitionDateTimePattern(_dateTimeFormat_, _x_).
+
+  PartitionDateTimePattern (dateTimeFormat, x)
+
+  1. If _x_ is not a finite Number, throw a *RangeError* exception.
+---*/
+
+var dtf = new Intl.DateTimeFormat(["pt-BR"]);
+
+assert.throws(RangeError, function() {
+  dtf.formatToParts(NaN);
+});
+
+assert.throws(RangeError, function() {
+  dtf.formatToParts("lol");
+});
diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/formatToParts.js b/test/intl402/DateTimeFormat/prototype/formatToParts/formatToParts.js
new file mode 100644
index 00000000000..129da166231
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/formatToParts.js
@@ -0,0 +1,17 @@
+// Copyright 2016 Mozilla Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Property type and descriptor. 
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+  typeof Intl.DateTimeFormat.prototype.formatToParts,
+  'function',
+  '`typeof Intl.DateTimeFormat.prototype.formatToParts` is `function`'
+);
+
+verifyNotEnumerable(Intl.DateTimeFormat.prototype, 'formatToParts');
+verifyWritable(Intl.DateTimeFormat.prototype, 'formatToParts');
+verifyConfigurable(Intl.DateTimeFormat.prototype, 'formatToParts');
diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/length.js b/test/intl402/DateTimeFormat/prototype/formatToParts/length.js
new file mode 100644
index 00000000000..49ceae3bcc4
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/length.js
@@ -0,0 +1,13 @@
+// Copyright 2016 Mozilla Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Intl.DateTimeFormat.prototype.formatToParts.length. 
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Intl.DateTimeFormat.prototype.formatToParts.length, 0);
+
+verifyNotEnumerable(Intl.DateTimeFormat.prototype.formatToParts, "length");
+verifyNotWritable(Intl.DateTimeFormat.prototype.formatToParts, "length");
+verifyConfigurable(Intl.DateTimeFormat.prototype.formatToParts, "length");
diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/main.js b/test/intl402/DateTimeFormat/prototype/formatToParts/main.js
new file mode 100644
index 00000000000..d00414b1267
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/main.js
@@ -0,0 +1,40 @@
+// 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
+---*/
+
+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());
diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/name.js b/test/intl402/DateTimeFormat/prototype/formatToParts/name.js
new file mode 100644
index 00000000000..1e1bff20e47
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/name.js
@@ -0,0 +1,15 @@
+// Copyright 2016 Mozilla Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Intl.DateTimeFormat.prototype.formatToParts.name value and descriptor. 
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Intl.DateTimeFormat.prototype.formatToParts.name, 'formatToParts',
+  'The value of `Intl.DateTimeFormat.prototype.formatToParts.name` is `"formatToParts"`'
+);
+
+verifyNotEnumerable(Intl.DateTimeFormat.prototype.formatToParts, 'name');
+verifyNotWritable(Intl.DateTimeFormat.prototype.formatToParts, 'name');
+verifyConfigurable(Intl.DateTimeFormat.prototype.formatToParts, 'name');
diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/return-abrupt-tonumber-date.js b/test/intl402/DateTimeFormat/prototype/formatToParts/return-abrupt-tonumber-date.js
new file mode 100644
index 00000000000..4d33816b849
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/return-abrupt-tonumber-date.js
@@ -0,0 +1,42 @@
+// Copyright 2016 Leonardo Balter. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: >
+  Return abrupt completions from ToNumber(date)
+info: |
+  Intl.DateTimeFormat.prototype.formatToParts ([ date ])
+
+  4. If _date_ is not provided or is *undefined*, then
+    a. Let _x_ be *%Date_now%*().
+  5. Else,
+    a. Let _x_ be ? ToNumber(_date_).
+features: [Symbol]
+---*/
+
+var obj1 = {
+  valueOf: function() {
+    throw new Test262Error();
+  }
+};
+
+var obj2 = {
+  toString: function() {
+    throw new Test262Error();
+  }
+};
+
+var dtf = new Intl.DateTimeFormat(["pt-BR"]);
+
+assert.throws(Test262Error, function() {
+  dtf.formatToParts(obj1);
+}, "valueOf");
+
+assert.throws(Test262Error, function() {
+  dtf.formatToParts(obj2);
+}, "toString");
+
+var s = Symbol('1');
+assert.throws(TypeError, function() {
+  dtf.formatToParts(s);
+}, "symbol");
diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/this-has-not-internal-throws.js b/test/intl402/DateTimeFormat/prototype/formatToParts/this-has-not-internal-throws.js
new file mode 100644
index 00000000000..94937840ce6
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/this-has-not-internal-throws.js
@@ -0,0 +1,17 @@
+// Copyright 2016 Leonardo Balter. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: >
+  Throws a TypeError if this is not a DateTimeFormat object
+---*/
+
+var formatToParts = Intl.DateTimeFormat.prototype.formatToParts;
+
+assert.throws(TypeError, function() {
+  formatToParts.call({});
+}, "{}");
+
+assert.throws(TypeError, function() {
+  formatToParts.call(new Date());
+}, "new Date()");
diff --git a/test/intl402/DateTimeFormat/prototype/formatToParts/this-is-not-object-throws.js b/test/intl402/DateTimeFormat/prototype/formatToParts/this-is-not-object-throws.js
new file mode 100644
index 00000000000..4f4c28f09a1
--- /dev/null
+++ b/test/intl402/DateTimeFormat/prototype/formatToParts/this-is-not-object-throws.js
@@ -0,0 +1,38 @@
+// Copyright 2016 Leonardo Balter. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Throws a TypeError if this is not Object
+features: [Symbol]
+---*/
+
+var formatToParts = Intl.DateTimeFormat.prototype.formatToParts;
+
+assert.throws(TypeError, function() {
+  formatToParts.call(undefined);
+}, "undefined");
+
+assert.throws(TypeError, function() {
+  formatToParts.call(null);
+}, "null");
+
+assert.throws(TypeError, function() {
+  formatToParts.call(42);
+}, "number");
+
+assert.throws(TypeError, function() {
+  formatToParts.call("foo");
+}, "string");
+
+assert.throws(TypeError, function() {
+  formatToParts.call(false);
+}, "false");
+
+assert.throws(TypeError, function() {
+  formatToParts.call(true);
+}, "true");
+
+var s = Symbol('1');
+assert.throws(TypeError, function() {
+  formatToParts.call(s);
+}, "symbol");