1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/UTC/non-integer-values.js b/js/src/tests/test262/built-ins/Date/UTC/non-integer-values.js
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+++ b/js/src/tests/test262/built-ins/Date/UTC/non-integer-values.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2018 Viktor Mukhachev. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.utc
+description: non-integer values are converted to integers using `ToInteger`
+info: |
+  [...]
+  Return TimeClip(MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli))).
+
+  #sec-timeclip
+
+  Let clippedTime be ! ToInteger(time).
+
+  #sec-makeday
+
+  Let y be ! ToInteger(year).
+  Let m be ! ToInteger(month).
+  Let dt be ! ToInteger(date).
+
+  #sec-maketime
+
+  Let h be ! ToInteger(hour).
+  Let m be ! ToInteger(min).
+  Let s be ! ToInteger(sec).
+  Let milli be ! ToInteger(ms).
+---*/
+
+assert.sameValue(Date.UTC(1970.9, 0.9, 1.9, 0.9, 0.9, 0.9, 0.9), 0, 'positive non-integer values');
+assert.sameValue(Date.UTC(-1970.9, -0.9, -0.9, -0.9, -0.9, -0.9, -0.9), -124334438400000, 'negative non-integer values');
+
+reportCompare(0, 0);