This test case tests the Date constructor. In particular, it tests many cases of creating a Date from another Date and creating a Date from an object that has both valueOf and toString functions. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS isNaN(new Date("")) is true PASS new Date(1111).getTime() is 1111 PASS new Date(object).getTime() is 1111 PASS new Date(new Date(1111)).getTime() is 1111 PASS new Date(new Date(1111).toString()).getTime() is 1000 PASS new Date(1111, 1).getTime() - timeZoneOffset is -27104803200000 PASS new Date(1111, 1, 1).getTime() - timeZoneOffset is -27104803200000 PASS new Date(1111, 1, 1, 1).getTime() - timeZoneOffset is -27104799600000 PASS new Date(1111, 1, 1, 1, 1).getTime() - timeZoneOffset is -27104799540000 PASS new Date(1111, 1, 1, 1, 1, 1).getTime() - timeZoneOffset is -27104799539000 PASS new Date(1111, 1, 1, 1, 1, 1, 1).getTime() - timeZoneOffset is -27104799538999 PASS new Date(1111, 1, 1, 1, 1, 1, 1, 1).getTime() - timeZoneOffset is -27104799538999 PASS new Date(1111, 1, 1, 1, 1, 1, 1, 1, 1).getTime() - timeZoneOffset is -27104799538999 PASS new Date(1111, 1, 1, 1, 1, 1, 1, 1, 1).getTime() - timeZoneOffset is -27104799538999 PASS new Date(new Date(1111, 1)).getTime() - timeZoneOffset is -27104803200000 PASS new Date(new Date(1111, 1, 1)).getTime() - timeZoneOffset is -27104803200000 PASS new Date(new Date(1111, 1, 1, 1)).getTime() - timeZoneOffset is -27104799600000 PASS new Date(new Date(1111, 1, 1, 1, 1, 1)).getTime() - timeZoneOffset is -27104799539000 PASS new Date(new Date(1111, 1, 1, 1, 1, 1, 1)).getTime() - timeZoneOffset is -27104799538999 PASS new Date(new Date(1111, 1, 1, 1, 1, 1, 1, 1)).getTime() - timeZoneOffset is -27104799538999 PASS new Date(new Date(1111, 1, 1, 1, 1, 1, 1, 1, 1)).getTime() - timeZoneOffset is -27104799538999 PASS testStr is "1234567" PASS testStr is "1234567" PASS successfullyParsed is true TEST COMPLETE