From 018ad2110d8d083c9806a481029a04a0e7548ddf Mon Sep 17 00:00:00 2001
From: Mike Pennisi <mike@mikepennisi.com>
Date: Tue, 10 May 2016 16:59:19 -0400
Subject: [PATCH 1/3] Streamline tests for Date.prototype.toGMTString

Introduce a test that asserts the equality of
`Date.prototype.toGMTString` and `Date.prototype.toUTCString`, rendering
further tests for the former's behavior unnecessary.
---
 .../toGMTString/B.2.6.propertyCheck.js        | 11 -------
 .../Date/prototype/toGMTString/length.js      | 29 -------------------
 .../Date/prototype/toGMTString/name.js        | 26 -----------------
 .../toGMTString/{B.2.6.js => prop-desc.js}    |  0
 .../Date/prototype/toGMTString/value.js       | 14 +++++++++
 5 files changed, 14 insertions(+), 66 deletions(-)
 delete mode 100644 test/annexB/built-ins/Date/prototype/toGMTString/B.2.6.propertyCheck.js
 delete mode 100755 test/annexB/built-ins/Date/prototype/toGMTString/length.js
 delete mode 100755 test/annexB/built-ins/Date/prototype/toGMTString/name.js
 rename test/annexB/built-ins/Date/prototype/toGMTString/{B.2.6.js => prop-desc.js} (100%)
 create mode 100644 test/annexB/built-ins/Date/prototype/toGMTString/value.js

diff --git a/test/annexB/built-ins/Date/prototype/toGMTString/B.2.6.propertyCheck.js b/test/annexB/built-ins/Date/prototype/toGMTString/B.2.6.propertyCheck.js
deleted file mode 100644
index d09596d9e4..0000000000
--- a/test/annexB/built-ins/Date/prototype/toGMTString/B.2.6.propertyCheck.js
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2009 the Sputnik authors.  All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-info: Check type of various properties
-es5id: B.2.6
-description: Checking properties of the Date object (toGMTString)
----*/
-
-if (typeof Date.prototype.toGMTString !== "function")  $ERROR('#1: typeof Date.prototype.toGMTString === "function". Actual: ' + (typeof Date.prototype.toGMTString ));
-if (typeof Date.prototype['toGMTString'] !== "function")  $ERROR('#2: typeof Date.prototype["toGMTString"] === "function". Actual: ' + (typeof Date.prototype["toGMTString"] ));
diff --git a/test/annexB/built-ins/Date/prototype/toGMTString/length.js b/test/annexB/built-ins/Date/prototype/toGMTString/length.js
deleted file mode 100755
index 216dd9e718..0000000000
--- a/test/annexB/built-ins/Date/prototype/toGMTString/length.js
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright (C) 2015 André Bargull. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-es6id: B.2.4.3
-description: >
-  Date.prototype.toGMTString.length is 0.
-info: >
-  Date.prototype.toGMTString ( )
-
-  17 ECMAScript Standard Built-in Objects:
-    Every built-in Function object, including constructors, has a length
-    property whose value is an integer. Unless otherwise specified, this
-    value is equal to the largest number of named arguments shown in the
-    subclause headings for the function description, including optional
-    parameters. However, rest parameters shown using the form “...name”
-    are not included in the default argument count.
-
-    Unless otherwise specified, the length property of a built-in Function
-    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
-    [[Configurable]]: true }.
-includes: [propertyHelper.js]
----*/
-
-assert.sameValue(Date.prototype.toGMTString.length, 0);
-
-verifyNotEnumerable(Date.prototype.toGMTString, "length");
-verifyNotWritable(Date.prototype.toGMTString, "length");
-verifyConfigurable(Date.prototype.toGMTString, "length");
diff --git a/test/annexB/built-ins/Date/prototype/toGMTString/name.js b/test/annexB/built-ins/Date/prototype/toGMTString/name.js
deleted file mode 100755
index 56f10aa86c..0000000000
--- a/test/annexB/built-ins/Date/prototype/toGMTString/name.js
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright (C) 2015 André Bargull. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-es6id: B.2.4.3
-description: >
-  Date.prototype.toGMTString.name is "toUTCString".
-info: >
-  Date.prototype.toGMTString ( )
-
-  17 ECMAScript Standard Built-in Objects:
-    Every built-in Function object, including constructors, that is not
-    identified as an anonymous function has a name property whose value
-    is a String.
-
-    Unless otherwise specified, the name property of a built-in Function
-    object, if it exists, has the attributes { [[Writable]]: false,
-    [[Enumerable]]: false, [[Configurable]]: true }.
-includes: [propertyHelper.js]
----*/
-
-assert.sameValue(Date.prototype.toGMTString.name, "toUTCString");
-
-verifyNotEnumerable(Date.prototype.toGMTString, "name");
-verifyNotWritable(Date.prototype.toGMTString, "name");
-verifyConfigurable(Date.prototype.toGMTString, "name");
diff --git a/test/annexB/built-ins/Date/prototype/toGMTString/B.2.6.js b/test/annexB/built-ins/Date/prototype/toGMTString/prop-desc.js
similarity index 100%
rename from test/annexB/built-ins/Date/prototype/toGMTString/B.2.6.js
rename to test/annexB/built-ins/Date/prototype/toGMTString/prop-desc.js
diff --git a/test/annexB/built-ins/Date/prototype/toGMTString/value.js b/test/annexB/built-ins/Date/prototype/toGMTString/value.js
new file mode 100644
index 0000000000..516812feab
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/toGMTString/value.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.togmtstring
+es6id: B.2.4.3
+es5id: B.2.6
+description: Value of `Date.prototype.toGMTString`
+info: >
+    The function object that is the initial value of Date.prototype.toGMTString
+    is the same function object that is the initial value of
+    Date.prototype.toUTCString.
+---*/
+
+assert.sameValue(Date.prototype.toGMTString, Date.prototype.toUTCString);

From 1a66e812c8b6039d12ba2409e0aec6f5c42ad5a5 Mon Sep 17 00:00:00 2001
From: Mike Pennisi <mike@mikepennisi.com>
Date: Tue, 10 May 2016 17:00:12 -0400
Subject: [PATCH 2/3] Add tests for Date.prototype.setYear

---
 .../prototype/setYear/B.2.5.propertyCheck.js  | 11 -----
 .../Date/prototype/setYear/this-not-date.js   | 26 +++++++++++
 .../Date/prototype/setYear/this-time-nan.js   | 18 ++++++++
 .../Date/prototype/setYear/this-time-valid.js | 19 ++++++++
 .../Date/prototype/setYear/time-clip.js       | 34 ++++++++++++++
 .../Date/prototype/setYear/year-nan.js        | 36 +++++++++++++++
 .../prototype/setYear/year-number-absolute.js | 42 +++++++++++++++++
 .../prototype/setYear/year-number-relative.js | 45 +++++++++++++++++++
 .../prototype/setYear/year-to-number-err.js   | 29 ++++++++++++
 9 files changed, 249 insertions(+), 11 deletions(-)
 delete mode 100644 test/annexB/built-ins/Date/prototype/setYear/B.2.5.propertyCheck.js
 create mode 100644 test/annexB/built-ins/Date/prototype/setYear/this-not-date.js
 create mode 100644 test/annexB/built-ins/Date/prototype/setYear/this-time-nan.js
 create mode 100644 test/annexB/built-ins/Date/prototype/setYear/this-time-valid.js
 create mode 100644 test/annexB/built-ins/Date/prototype/setYear/time-clip.js
 create mode 100644 test/annexB/built-ins/Date/prototype/setYear/year-nan.js
 create mode 100644 test/annexB/built-ins/Date/prototype/setYear/year-number-absolute.js
 create mode 100644 test/annexB/built-ins/Date/prototype/setYear/year-number-relative.js
 create mode 100644 test/annexB/built-ins/Date/prototype/setYear/year-to-number-err.js

diff --git a/test/annexB/built-ins/Date/prototype/setYear/B.2.5.propertyCheck.js b/test/annexB/built-ins/Date/prototype/setYear/B.2.5.propertyCheck.js
deleted file mode 100644
index 40a4ae3376..0000000000
--- a/test/annexB/built-ins/Date/prototype/setYear/B.2.5.propertyCheck.js
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2009 the Sputnik authors.  All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-info: Check type of various properties
-es5id: B.2.5
-description: Checking properties of the Date object (setYear)
----*/
-
-if (typeof Date.prototype.setYear !== "function")  $ERROR('#1: typeof Date.prototype.setYear === "function". Actual: ' + (typeof Date.prototype.setYear ));
-if (typeof Date.prototype['setYear'] !== "function")  $ERROR('#2: typeof Date.prototype["setYear"] === "function". Actual: ' + (typeof Date.prototype["setYear"] ));
diff --git a/test/annexB/built-ins/Date/prototype/setYear/this-not-date.js b/test/annexB/built-ins/Date/prototype/setYear/this-not-date.js
new file mode 100644
index 0000000000..ed6917cd63
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/setYear/this-not-date.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.setyear
+es6id: B.2.4.2
+es5id: B.2.5
+description: Behavior when "this" value has no [[DateValue]] internal slot
+info: |
+    1. Let t be ? thisTimeValue(this value).
+---*/
+
+var setYear = Date.prototype.setYear;
+
+assert.sameValue(typeof setYear, 'function');
+
+assert.throws(TypeError, function() {
+  setYear.call({}, 1);
+}, 'object');
+
+assert.throws(TypeError, function() {
+  setYear.call(undefined, 1);
+}, 'undefined');
+
+assert.throws(TypeError, function() {
+  setYear.call(null, 1);
+}, 'null');
diff --git a/test/annexB/built-ins/Date/prototype/setYear/this-time-nan.js b/test/annexB/built-ins/Date/prototype/setYear/this-time-nan.js
new file mode 100644
index 0000000000..2f1959d5e7
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/setYear/this-time-nan.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.setyear
+es6id: B.2.4.2
+es5id: B.2.5
+description: >
+    Behavior when the [[DateValue]] internal slot of "this" value is NaN
+info: |
+    1. Let t be ? thisTimeValue(this value).
+    2. If t is NaN, let t be +0; otherwise, let t be LocalTime(t).
+---*/
+
+var date = new Date({});
+var expected = new Date(1971, 0).valueOf();
+
+assert.sameValue(date.setYear(71), expected, 'method return value');
+assert.sameValue(date.valueOf(), expected, '[[DateValue]] internal slot');
diff --git a/test/annexB/built-ins/Date/prototype/setYear/this-time-valid.js b/test/annexB/built-ins/Date/prototype/setYear/this-time-valid.js
new file mode 100644
index 0000000000..a132661161
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/setYear/this-time-valid.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.setyear
+es6id: B.2.4.2
+es5id: B.2.5
+description: >
+    Behavior when the [[DateValue]] internal slot of "this" value is an integer
+    value
+info: |
+    1. Let t be ? thisTimeValue(this value).
+    2. If t is NaN, let t be +0; otherwise, let t be LocalTime(t).
+---*/
+
+var date = new Date(1970, 1, 2, 3, 4, 5);
+var expected = new Date(1971, 1, 2, 3, 4, 5).valueOf();
+
+assert.sameValue(date.setYear(71), expected, 'method return value');
+assert.sameValue(date.valueOf(), expected, '[[DateValue]] internal slot');
diff --git a/test/annexB/built-ins/Date/prototype/setYear/time-clip.js b/test/annexB/built-ins/Date/prototype/setYear/time-clip.js
new file mode 100644
index 0000000000..27352d0e34
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/setYear/time-clip.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.setyear
+es6id: B.2.4.2
+es5id: B.2.5
+description: Clipping of new time value
+info: |
+    [...]
+    9. Set the [[DateValue]] internal slot of this Date object to
+       TimeClip(date).
+    10. Return the value of the [[DateValue]] internal slot of this Date
+        object.
+---*/
+
+var date;
+
+date = new Date(1970, 8, 12, 20, 0, 0, 0);
+
+assert.notSameValue(
+  date.setYear(275760), NaN, 'method return value (valid date)'
+);
+assert.notSameValue(
+  date.valueOf(), NaN, '[[DateValue]] internal slot (valid date)'
+);
+
+date = new Date(1970, 8, 12, 20, 0, 0, 1);
+
+assert.sameValue(
+  date.setYear(275760), NaN, 'method return value (invalid date)'
+);
+assert.sameValue(
+  date.valueOf(), NaN, '[[DateValue]] internal slot (invalid date)'
+);
diff --git a/test/annexB/built-ins/Date/prototype/setYear/year-nan.js b/test/annexB/built-ins/Date/prototype/setYear/year-nan.js
new file mode 100644
index 0000000000..23cf552504
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/setYear/year-nan.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.setyear
+es6id: B.2.4.2
+es5id: B.2.5
+description: Behavior when year value coerces to NaN
+info: |
+    [...]
+    3. Let y be ? ToNumber(year).
+    4. If y is NaN, set the [[DateValue]] internal slot of this Date object to
+       NaN and return NaN.
+features: [Symbol]
+---*/
+
+var date;
+
+date = new Date();
+assert.sameValue(date.setYear(), NaN, 'return value (no argument)');
+assert.sameValue(
+  date.valueOf(), NaN, '[[DateValue]] internal slot (no argument)'
+);
+
+date = new Date();
+assert.sameValue(date.setYear(NaN), NaN, 'return value (literal NaN)');
+assert.sameValue(
+  date.valueOf(), NaN, '[[DateValue]] internal slot (literal NaN)'
+);
+
+date = new Date();
+assert.sameValue(
+  date.setYear('not a number'), NaN, 'return value (NaN from ToNumber)'
+);
+assert.sameValue(
+  date.valueOf(), NaN, '[[DateValue]] internal slot (NaN from ToNumber)'
+);
diff --git a/test/annexB/built-ins/Date/prototype/setYear/year-number-absolute.js b/test/annexB/built-ins/Date/prototype/setYear/year-number-absolute.js
new file mode 100644
index 0000000000..f4a9549768
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/setYear/year-number-absolute.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.setyear
+es6id: B.2.4.2
+es5id: B.2.5
+description: >
+    Behavior when the integer representation of the specified `year` is not
+    relative to 1900
+info: |
+    [...]
+    5. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yyyy be ToInteger(y) +
+       1900.
+    6. Else, let yyyy be y.
+    [...]
+---*/
+
+var date;
+
+date = new Date(1970, 0);
+date.setYear(-1);
+assert.sameValue(date.getFullYear(), -1);
+
+date = new Date(1970, 0);
+date.setYear(100);
+assert.sameValue(date.getFullYear(), 100);
+
+date = new Date(1970, 0);
+date.setYear(1899);
+assert.sameValue(date.getFullYear(), 1899);
+
+date = new Date(1970, 0);
+date.setYear(1900);
+assert.sameValue(date.getFullYear(), 1900);
+
+date = new Date(1970, 0);
+date.setYear(1999);
+assert.sameValue(date.getFullYear(), 1999);
+
+date = new Date(1970, 0);
+date.setYear(2000);
+assert.sameValue(date.getFullYear(), 2000);
diff --git a/test/annexB/built-ins/Date/prototype/setYear/year-number-relative.js b/test/annexB/built-ins/Date/prototype/setYear/year-number-relative.js
new file mode 100644
index 0000000000..45fba55b59
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/setYear/year-number-relative.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.setyear
+es6id: B.2.4.2
+es5id: B.2.5
+description: >
+    Behavior when the integer representation of the specified `year` is
+    relative to 1900
+info: |
+    [...]
+    5. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yyyy be ToInteger(y) +
+       1900.
+    [...]
+---*/
+
+var date;
+
+date = new Date(1970, 0);
+date.setYear(-0.9999999);
+assert.sameValue(date.getFullYear(), 1900, 'y = -0.999999');
+
+date = new Date(1970, 0);
+date.setYear(-0);
+assert.sameValue(date.getFullYear(), 1900, 'y = -0');
+
+date = new Date(1970, 0);
+date.setYear(0);
+assert.sameValue(date.getFullYear(), 1900, 'y = 0');
+
+date = new Date(1970, 0);
+date.setYear(50);
+assert.sameValue(date.getFullYear(), 1950, 'y = 50');
+
+date = new Date(1970, 0);
+date.setYear(50.999999);
+assert.sameValue(date.getFullYear(), 1950, 'y = 50.999999');
+
+date = new Date(1970, 0);
+date.setYear(99);
+assert.sameValue(date.getFullYear(), 1999, 'y = 99');
+
+date = new Date(1970, 0);
+date.setYear(99.999999);
+assert.sameValue(date.getFullYear(), 1999, 'y = 99.999999');
diff --git a/test/annexB/built-ins/Date/prototype/setYear/year-to-number-err.js b/test/annexB/built-ins/Date/prototype/setYear/year-to-number-err.js
new file mode 100644
index 0000000000..6c834d7c37
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/setYear/year-to-number-err.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.setyear
+es6id: B.2.4.2
+es5id: B.2.5
+description: >
+    Behavior when calling ToNumber on year value returns an abrupt completion
+info: |
+    [...]
+    3. Let y be ? ToNumber(year).
+features: [Symbol]
+---*/
+
+var date = new Date();
+var symbol = Symbol('');
+var year = {
+  valueOf: function() {
+    throw new Test262Error();
+  }
+};
+
+assert.throws(Test262Error, function() {
+  date.setYear(year);
+});
+
+assert.throws(TypeError, function() {
+  date.setYear(symbol);
+});

From 37b3e7c080b51383d34a97b26e85934bc144543c Mon Sep 17 00:00:00 2001
From: Mike Pennisi <mike@mikepennisi.com>
Date: Tue, 10 May 2016 17:00:28 -0400
Subject: [PATCH 3/3] Add tests for Date.prototype.getYear

---
 .../prototype/getYear/B.2.4.propertyCheck.js  | 11 -----
 .../built-ins/Date/prototype/getYear/nan.js   | 15 +++++++
 .../Date/prototype/getYear/return-value.js    | 41 +++++++++++++++++++
 .../Date/prototype/getYear/this-not-date.js   | 26 ++++++++++++
 4 files changed, 82 insertions(+), 11 deletions(-)
 delete mode 100644 test/annexB/built-ins/Date/prototype/getYear/B.2.4.propertyCheck.js
 create mode 100644 test/annexB/built-ins/Date/prototype/getYear/nan.js
 create mode 100644 test/annexB/built-ins/Date/prototype/getYear/return-value.js
 create mode 100644 test/annexB/built-ins/Date/prototype/getYear/this-not-date.js

diff --git a/test/annexB/built-ins/Date/prototype/getYear/B.2.4.propertyCheck.js b/test/annexB/built-ins/Date/prototype/getYear/B.2.4.propertyCheck.js
deleted file mode 100644
index 38223ba3d0..0000000000
--- a/test/annexB/built-ins/Date/prototype/getYear/B.2.4.propertyCheck.js
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2009 the Sputnik authors.  All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-info: Check type of various properties
-es5id: B.2.4
-description: Checking properties of the Date object (getYear)
----*/
-
-if (typeof Date.prototype.getYear !== "function")  $ERROR('#1: typeof Date.prototype.getYear === "function". Actual: ' + (typeof Date.prototype.getYear ));
-if (typeof Date.prototype['getYear'] !== "function")  $ERROR('#2: typeof Date.prototype["getYear"] === "function". Actual: ' + (typeof Date.prototype["getYear"] ));
diff --git a/test/annexB/built-ins/Date/prototype/getYear/nan.js b/test/annexB/built-ins/Date/prototype/getYear/nan.js
new file mode 100644
index 0000000000..1d4db853b3
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/getYear/nan.js
@@ -0,0 +1,15 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.getyear
+es6id: B.2.4.1
+es5id: B.2.4
+description: NaN time value
+info: |
+    1. Let t be ? thisTimeValue(this value).
+    2. If t is NaN, return NaN.
+---*/
+
+var date = new Date({});
+
+assert.sameValue(date.getYear(), NaN);
diff --git a/test/annexB/built-ins/Date/prototype/getYear/return-value.js b/test/annexB/built-ins/Date/prototype/getYear/return-value.js
new file mode 100644
index 0000000000..f379bab10c
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/getYear/return-value.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.getyear
+es6id: B.2.4.1
+es5id: B.2.4
+description: >
+    Return value for objects with numeric value in [[DateValue]] internal slot
+info: |
+    1. Let t be ? thisTimeValue(this value).
+    2. If t is NaN, return NaN.
+    3. Return YearFromTime(LocalTime(t)) - 1900.
+---*/
+
+assert.sameValue(new Date(1899, 0).getYear(), -1, '1899: first millisecond');
+assert.sameValue(
+  new Date(1899, 11, 31, 23, 59, 59, 999).getYear(),
+  -1,
+  '1899: final millisecond'
+);
+
+assert.sameValue(new Date(1900, 0).getYear(), 0, '1900: first millisecond');
+assert.sameValue(
+  new Date(1900, 11, 31, 23, 59, 59, 999).getYear(),
+  0,
+  '1900: final millisecond'
+);
+
+assert.sameValue(new Date(1970, 0).getYear(), 70, '1970: first millisecond');
+assert.sameValue(
+  new Date(1970, 11, 31, 23, 59, 59, 999).getYear(),
+  70,
+  '1970: final millisecond'
+);
+
+assert.sameValue(new Date(2000, 0).getYear(), 100, '2000: first millisecond');
+assert.sameValue(
+  new Date(2000, 11, 31, 23, 59, 59, 999).getYear(),
+  100,
+  '2000: final millisecond'
+);
diff --git a/test/annexB/built-ins/Date/prototype/getYear/this-not-date.js b/test/annexB/built-ins/Date/prototype/getYear/this-not-date.js
new file mode 100644
index 0000000000..86f9a652dd
--- /dev/null
+++ b/test/annexB/built-ins/Date/prototype/getYear/this-not-date.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.getyear
+es6id: B.2.4.1
+es5id: B.2.4
+description: Behavior when `this` value has no [[DateValue]] internal slot
+info: |
+    1. Let t be ? thisTimeValue(this value).
+---*/
+
+var getYear = Date.prototype.getYear;
+
+assert.sameValue(typeof getYear, 'function');
+
+assert.throws(TypeError, function() {
+  getYear.call({});
+}, 'object');
+
+assert.throws(TypeError, function() {
+  getYear.call(undefined);
+}, 'undefined');
+
+assert.throws(TypeError, function() {
+  getYear.call(null);
+}, 'null');