sl@0: # This file tests the tclWinTime.c file.
sl@0: #
sl@0: # This file contains a collection of tests for one or more of the Tcl
sl@0: # built-in commands.  Sourcing this file into Tcl runs the tests and
sl@0: # generates output for errors.  No output means no errors were found.
sl@0: #
sl@0: # Copyright (c) 1997 Sun Microsystems, Inc.
sl@0: # Copyright (c) 1998-1999 by Scriptics Corporation.
sl@0: #
sl@0: # See the file "license.terms" for information on usage and redistribution
sl@0: # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
sl@0: #
sl@0: # RCS: @(#) $Id: winTime.test,v 1.8.2.1 2003/04/12 20:11:34 kennykb Exp $
sl@0: 
sl@0: if {[lsearch [namespace children] ::tcltest] == -1} {
sl@0:     package require tcltest
sl@0:     namespace import -force ::tcltest::*
sl@0: }
sl@0: 
sl@0: testConstraint testwinclock [llength [info commands testwinclock]]
sl@0: 
sl@0: # The next two tests will crash on Windows if the check for negative
sl@0: # clock values is not done properly.
sl@0: 
sl@0: test winTime-1.1 {TclpGetDate} {pcOnly} {
sl@0:     set ::env(TZ) JST-9
sl@0:     set result [clock format -1 -format %Y]
sl@0:     unset ::env(TZ)
sl@0:     set result
sl@0: } {1970}
sl@0: test winTime-1.2 {TclpGetDate} {pcOnly} {
sl@0:     set ::env(TZ) PST8
sl@0:     set result [clock format 1 -format %Y]
sl@0:     unset ::env(TZ)
sl@0:     set result
sl@0: } {1969}
sl@0: 
sl@0: # Next test tries to make sure that the Tcl clock stays in step
sl@0: # with the Windows clock.  30 sec really isn't enough,
sl@0: # but how much time does a tester have patience for?
sl@0: 
sl@0: test winTime-2.1 {Synchronization of Tcl and Windows clocks} {testwinclock} {
sl@0:     # May fail due to OS/hardware discrepancies.  See:
sl@0:     # http://support.microsoft.com/default.aspx?scid=kb;en-us;274323
sl@0:     set failed {}
sl@0:     set ok 1
sl@0:     foreach start_sec [testwinclock] break
sl@0:     while { 1 } {
sl@0: 	foreach { sys_sec sys_usec tcl_sec tcl_usec } [testwinclock] break
sl@0: 	set diff [expr { $tcl_sec - $sys_sec
sl@0: 			 + 1.0e-6 * ( $tcl_usec - $sys_usec ) }]
sl@0:         if { abs($diff) > 0.06 } {
sl@0: 	    set failed "Tcl clock differs from system clock by $diff sec"
sl@0: 	    break
sl@0: 	} else {
sl@0: 	    testwinsleep 1
sl@0: 	}
sl@0: 	if { $sys_sec - $start_sec >= 30 } break
sl@0:     }
sl@0:     set failed
sl@0: } {}
sl@0: 
sl@0: # cleanup
sl@0: ::tcltest::cleanupTests
sl@0: return