Experimental: port bleeding_edge r1276 (a grab bag of optimizations)...

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 24 matching lines @@
 
 // Test that dates may contain commas.
 var date0 = Date.parse("Dec 25 1995 1:30");
 var date1 = Date.parse("Dec 25, 1995 1:30");
 var date2 = Date.parse("Dec 25 1995, 1:30");
 var date3 = Date.parse("Dec 25, 1995, 1:30");
 assertEquals(date0, date1);
 assertEquals(date1, date2);
 assertEquals(date2, date3);
 
+// Test limits (+/-1e8 days from epoch)
+
+var dMax = new Date(8.64e15);
+assertEquals(8.64e15, dMax.getTime());
+
+var dOverflow = new Date(8.64e15+1);
+assertTrue(isNaN(dOverflow.getTime()));
+
+var dMin = new Date(-8.64e15);
+assertEquals(-8.64e15, dMin.getTime());
+
+var dUnderflow = new Date(-8.64e15-1);
+assertTrue(isNaN(dUnderflow.getTime()));
+
 
 // Tests inspired by js1_5/Date/regress-346363.js
 
 // Year
 var a = new Date();
 a.setFullYear();
 a.setFullYear(2006);
 assertEquals(2006, a.getFullYear());
 
 var b = new Date();
@@ skipping 71 matching lines @@
 
 // Test that toLocaleTimeString only returns the time portion of the
 // date without the timezone information.
 function testToLocaleTimeString() {
   var d = new Date();
   var s = d.toLocaleTimeString();
   assertEquals(8, s.length);
 }
 
 testToLocaleTimeString();