Perform more aggressive time to NaN conversions. Our internal date...

test/mjsunit/date.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 149 matching lines @@
 assertDoesNotThrow("new Date(-0, -0, -0, -0, -0, -0. -0)");
 assertDoesNotThrow("new Date(0x40000000, 0x40000000, 0x40000000," +
                    "0x40000000, 0x40000000, 0x40000000, 0x40000000)")
 assertDoesNotThrow("new Date(-0x40000001, -0x40000001, -0x40000001," +
                    "-0x40000001, -0x40000001, -0x40000001, -0x40000001)")
 
 
 // Modified test from WebKit
 // LayoutTests/fast/js/script-tests/date-utc-timeclip.js:
 
-assertEquals(Date.UTC(275760, 8, 12, 23, 59, 59, 999), 8639999999999999);
-assertEquals(Date.UTC(275760, 8, 13), 8640000000000000);
+assertEquals(8639999999999999, Date.UTC(275760, 8, 12, 23, 59, 59, 999));
+assertEquals(8640000000000000, Date.UTC(275760, 8, 13));
 assertTrue(isNaN(Date.UTC(275760, 8, 13, 0, 0, 0, 1)));
 assertTrue(isNaN(Date.UTC(275760, 8, 14)));
 
 assertEquals(Date.UTC(-271821, 3, 20, 0, 0, 0, 1), -8639999999999999);
 assertEquals(Date.UTC(-271821, 3, 20), -8640000000000000);
 assertTrue(isNaN(Date.UTC(-271821, 3, 19, 23, 59, 59, 999)));
 assertTrue(isNaN(Date.UTC(-271821, 3, 19)));
+
+
+// Test creation of large date values.
+d = new Date(1969, 12, 1, 99999999999);
+assertTrue(isNaN(d.getTime()));
+d = new Date(1969, 12, 1, -99999999999);
+assertTrue(isNaN(d.getTime()));