#
# Tests for argument lists and method execution
# ----------------------------------------------------------------------
#   AUTHOR:  Michael J. McLennan
#            Bell Labs Innovations for Lucent Technologies
#            mmclennan@lucent.com
#            http://www.tcltk.com/itcl
# ----------------------------------------------------------------------
#            Copyright (c) 1993-1998  Lucent Technologies, Inc.
# ======================================================================
# See the file "license.terms" for information on usage and
# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.

package require tcltest 2.1
namespace import ::tcltest::test
::tcltest::loadTestedCommands
package require itcl

# ----------------------------------------------------------------------
#  Methods with various argument lists
# ----------------------------------------------------------------------
test methods-1.1 {define a class with lots of methods and arg lists} {
    itcl::class test_args {
        method none {} {
            return "none"
        }
        method two {x y} {
            return "two: $x $y"
        }
        method defvals {x {y def1} {z def2}} {
            return "defvals: $x $y $z"
        }
        method varargs {x {y def1} args} {
            return "varargs: $x $y ($args)"
        }
        method nomagic {args x} {
            return "nomagic: $args $x"
        }
        method clash {x bang boom} {
            return "clash: $x $bang $boom"
        }
        method clash_time {x bang boom} {
            time {set result "clash_time: $x $bang $boom"} 1
            return $result
        }
        proc crash {x bang boom} {
            return "crash: $x $bang $boom"
        }
        proc crash_time {x bang boom} {
            time {set result "crash_time: $x $bang $boom"} 1
            return $result
        }
        variable bang "ok"
        common boom "no-problem"
    }
} ""

test methods-1.2 {create an object to execute tests} {
    test_args ta
} {ta}

test methods-1.3 {argument checking: not enough args} {
    list [catch {ta two 1} msg] $msg
} {1 {wrong # args: should be "ta two x y"}}

test methods-1.4a {argument checking: too many args} {
    list [catch {ta two 1 2 3} msg] $msg
} {1 {wrong # args: should be "ta two x y"}}

test methods-1.4b {argument checking: too many args} {
    list [catch {ta none 1 2 3} msg] $msg
} {1 {wrong # args: should be "ta none"}}

test methods-1.5a {argument checking: just right} {
    list [catch {ta two 1 2} msg] $msg
} {0 {two: 1 2}}

test methods-1.5b {argument checking: just right} {
    list [catch {ta none} msg] $msg
} {0 none}

test methods-1.6a {default arguments: not enough args} {
    list [catch {ta defvals} msg] $msg
} {1 {wrong # args: should be "ta defvals x ?y? ?z?"}}

test methods-1.6b {default arguments: missing arguments supplied} {
    list [catch {ta defvals 1} msg] $msg
} {0 {defvals: 1 def1 def2}}

test methods-1.6c {default arguments: missing arguments supplied} {
    list [catch {ta defvals 1 2} msg] $msg
} {0 {defvals: 1 2 def2}}

test methods-1.6d {default arguments: all arguments assigned} {
    list [catch {ta defvals 1 2 3} msg] $msg
} {0 {defvals: 1 2 3}}

test methods-1.6e {default arguments: too many args} {
    list [catch {ta defvals 1 2 3 4} msg] $msg
} {1 {wrong # args: should be "ta defvals x ?y? ?z?"}}

test methods-1.7a {variable arguments: not enough args} {
    list [catch {ta varargs} msg] $msg
} {1 {wrong # args: should be "ta varargs x ?y? ?arg arg ...?"}}

test methods-1.7b {variable arguments: empty} {
    list [catch {ta varargs 1 2} msg] $msg
} {0 {varargs: 1 2 ()}}

test methods-1.7c {variable arguments: one} {
    list [catch {ta varargs 1 2 one} msg] $msg
} {0 {varargs: 1 2 (one)}}

test methods-1.7d {variable arguments: two} {
    list [catch {ta varargs 1 2 one two} msg] $msg
} {0 {varargs: 1 2 (one two)}}

test methods-1.8 {magic "args" argument has no magic unless at end of list} {
    list [catch {ta nomagic 1 2 3 4} msg] $msg
} {1 {wrong # args: should be "ta nomagic args x"}}

test methods-1.9 {formal args don't clobber class members} {
    list [catch {ta clash 1 2 3} msg] $msg \
         [ta info variable bang -value] \
         [ta info variable boom -value]
} {0 {clash: 1 2 3} ok no-problem}

test methods-1.10 {formal args don't clobber class members} {
    list [catch {test_args::crash 4 5 6} msg] $msg \
         [ta info variable bang -value] \
         [ta info variable boom -value]
} {0 {crash: 4 5 6} ok no-problem}

test methods-1.11 {formal args don't clobber class members, even in "time"} {
    list [catch {ta clash_time 7 8 9} msg] $msg \
         [ta info variable bang -value] \
         [ta info variable boom -value]
} {0 {clash_time: 7 8 9} ok no-problem}

test methods-1.12 {formal args don't clobber class members, even in "time"} {
    list [catch {test_args::crash_time a b c} msg] $msg \
         [ta info variable bang -value] \
         [ta info variable boom -value]
} {0 {crash_time: a b c} ok no-problem}

test methods-2.1 {covers leak condition test for compiled locals, no args} {
    for {set i 0} {$i < 100} {incr i} {
	::itcl::class LeakClass {
            proc leakProc {} { set n 1 }
	}
	LeakClass::leakProc
	::itcl::delete class LeakClass
    }
    list 0
} 0
test methods-2.2 {covers leak condition test for nested methods calls within eval, bug [8e632ce049]} -setup {
    itcl::class C1 {
	proc factory {} {
	    set obj [C1 #auto]
	    $obj myeval [list $obj read]
	    itcl::delete object $obj
	}
	method myeval {script} { eval $script }
	method read {} { myeval {} }
    }
} -body {
    time { C1::factory } 50
    list 0
} -result 0 -cleanup {
    itcl::delete class C1
}
test methods-2.3 {call of method after object is destroyed inside other methods, SF-bug [c1289b1c32]} -setup {
    proc c1test {} {
	return c1test
    }
    itcl::class C1 {
	public method m1 {} {
	    itcl::delete object $this
	    c1test
	}
	public method m2 {} {
	    rename $this {}
	    c1test
	}
	public method c1test {} {
	   return C1::c1test
	}
    }
} -body {
    set result {}
    set obj [C1 #auto]
    lappend result [catch {$obj m1} v] $v [namespace which -command $obj]
    set obj [C1 #auto]
    lappend result [catch {$obj m2} v] $v [namespace which -command $obj]
} -match glob -result {1 * {} 1 * {}} -cleanup {
    itcl::delete class C1
    rename c1test {}
}

# ----------------------------------------------------------------------
#  Clean up
# ----------------------------------------------------------------------
itcl::delete class test_args

::tcltest::cleanupTests
return