1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/Date/prototype/setYear/year-nan.js b/js/src/tests/test262/annexB/built-ins/Date/prototype/setYear/year-nan.js
new file mode 100644
index 0000000000..9a14f8f777
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/Date/prototype/setYear/year-nan.js
@@ -0,0 +1,38 @@
+// 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)'
+);
+
+reportCompare(0, 0);