Complete Linux/Complete Linux.iso/docs/devel/tcl/itcl1_31.z/itcl1_31/tcldev/itcl-1.3/tests/basic.test

Text File | 1993-09-23 | 8.0 KB | 401 lines

#
# Basic tests for class definition and method/proc access
# ----------------------------------------------------------------------
#   AUTHOR:  Michael J. McLennan       Phone: [phone]
#            AT&T Bell Laboratories   E-mail: aluxpo![e-mail]
#
#     SCCS:  @(#)basic.test    1.3 (9/9/93)
# ----------------------------------------------------------------------
#            Copyright (c) 1993  AT&T  All Rights Reserved
# ======================================================================

# ----------------------------------------------------------------------
#  CLEAN THE SLATE
# ----------------------------------------------------------------------
foreach obj [itcl_info objects -class Foo] {
    $obj delete
}

# ----------------------------------------------------------------------
#  CREATING OBJECTS
# ----------------------------------------------------------------------
test {Create a simple object} {
    Foo x
} {
    $result == "x"
}

test {Make sure that object names cannot be duplicated} {
    catch "Foo x" errmsg
} {
    $result == 1
}

test {Create another object} {
    Foo xx
} {
    $result == "xx"
}

test {Create an object with an automatic name} {
    Foo #auto
} {
    [string match Foo* $result]
}

test {Get list of objects in a class} {
    itcl_info objects -class Foo
} {
    [llength $result] == 3
}

# ----------------------------------------------------------------------
#  PUBLIC VARIABLES
# ----------------------------------------------------------------------
test {Info: all public variables} {
    x info public
} {
    [test_cmp_lists $result {Foo::blit Foo::blat Foo::blot}]
}

test {Info: public variable initial value} {
    x info public blit -init
} {
    $result == ""
}

test {Info: public variable initial value (undefined)} {
    x info public blit -value
} {
    $result == "<undefined>"
}

test {Info: public variable initial value} {
    x info public blat -init
} {
    $result == 0
}

test {Info: public variable current value} {
    x info public blot -value
} {
    $result == 1
}

test {Info: public variable config statement} {
    x info public blit -config
} {
    $result == ""
}

test {Info: public variable config statement} {
    x info public blot -config
} {
    $result == {global WATCH; set WATCH "blot=$blot"}
}

# ----------------------------------------------------------------------
#  CONFIG-ING PUBLIC VARIABLES
# ----------------------------------------------------------------------
test {Setting public variables via "config"} {
    x config -blit 27 -blat xyz
} {
    $result == "Foo::blit Foo::blat"
}

test {Info: public variable init/current value} {
    x info public blit -init -value
} {
    $result == {{} 27}
}

test {Info: public variable init/current value} {
    x info public blat -init -value
} {
    $result == {0 xyz}
}

test {"config" is ordinary arg if it is not last arg} {
    x configx -blit pdq
} {
    $result == {-blit|pdq}
}

test {Public variables with "config" code} {
    set WATCH ""
    concat [x config -blot abc] / $WATCH
} {
    $result == "Foo::blot / blot=abc"
}

test {Make sure object data is local to objects} {
    x config -blit abc
    xx config -blit xyz
    concat [x info public blit -value] / [xx info public blit -value]
} {
    $result == "abc / xyz"
}

# ----------------------------------------------------------------------
#  PROTECTED VARIABLES
# ----------------------------------------------------------------------
test {Info: all protected variables} {
    x info protected
} {
    [test_cmp_lists $result {Foo::_blit Foo::_blat Foo::this}]
}

test {Info: protected "this" variable} {
    x info protected this -value
} {
    $result == "x"
}

test {Info: protected "this" variable} {
    xx info protected this -value
} {
    $result == "xx"
}

test {Info: protected variable initial value} {
    x info protected _blit -init
} {
    $result == ""
}

test {Info: protected variable access/value} {
    x do {set _blit rst}
} {
    $result == "Foo says 'rst'" &&
    [x info protected _blit -value] == "rst"
}

# ----------------------------------------------------------------------
#  COMMON VARIABLES
# ----------------------------------------------------------------------
test {Info: all protected variables} {
    x info common
} {
    [test_cmp_lists $result {Foo::foos Foo::nfoo}]
}

test {Info: common variable initial value} {
    x info common foos -init
} {
    $result == ""
}

test {Info: common variable initial value} {
    x info common nfoo -init
} {
    $result == 0
}

test {Info: common variable access/value} {
    x do {set nfoo 999}
    x info common nfoo -value
} {
    $result == 999
}

test {Make sure common data is really common} {
    x do {set nfoo 0}
    x info common nfoo -value
} {
    $result == [xx info common nfoo -value]
}

test {Access common data in proc} {
    x do {set nfoo 10}
    Foo :: nfoos
} {
    $result == 10
}

test {Common variables can be initialized within class definition} {
    x do {if {[info exists foos(_ignore_)]} {set foos(_ignore_)}}
} {
    $result == "Foo says 'foos-is-now-an-array'"
}

test {Arrays as common data} {
    Foo :: foos
} {
    [test_cmp_lists $result [itcl_info objects -class Foo]]
}

# ----------------------------------------------------------------------
#  METHODS
# ----------------------------------------------------------------------
test {Info: all methods} {
    x info method
} {
    [test_cmp_lists $result {
        Foo::isa Foo::delete
        Foo::constructor Foo::destructor
        Foo::nothing Foo::do Foo::xecho
        Foo::config Foo::xconfig Foo::configx
    }]
}

test {Info: method args} {
    x info method nothing -args
} {
    $result == ""
}

test {Info: method args} {
    x info method xconfig -args
} {
    $result == "x config"
}

test {Info: method body} {
    x info method nothing -body
} {
    $result == ""
}

test {Info: method body} {
    x info method xconfig -body
} {
    $result == {
        return "$x|$config"
    }
}

test {Info: built-in methods} {
    x info method delete
} {
    $result == "Foo::delete <built-in>"
}

test {Info: built-in methods (args only)} {
    x info method delete -args
} {
    $result == "<built-in>"
}

test {Info: built-in methods (body only)} {
    x info method delete -body
} {
    $result == "<built-in>"
}

# ----------------------------------------------------------------------
#  PROCS
# ----------------------------------------------------------------------
test {Info: all procs} {
    x info proc
} {
    [test_cmp_lists $result {Foo::info Foo::echo Foo::foos Foo::nfoos}]
}

test {Info: proc args} {
    x info proc nfoos -args
} {
    $result == ""
}

test {Info: proc args} {
    x info proc foos -args
} {
    $result == "{pattern *}"
}

test {Info: proc body} {
    x info proc nfoos -body
} {
    $result == {
        return $nfoo
    }
}

test {Info: proc body} {
    x info body nfoos
} {
    $result == {
        return $nfoo
    }
}

# ----------------------------------------------------------------------
#  ARGUMENT LISTS
# ----------------------------------------------------------------------
test {Default arguments can get assigned a proper value} {
    Foo :: foos x*
} {
    [test_cmp_lists $result {x xx}]
}

test {Default value for "config" argument} {
    x config
} {
    $result == "Foo::blit Foo::blat" &&
    [x info public blit -value] == "auto" &&
    [x info public blat -value] == "matic"
}

test {"args" formal argument absorbs extra arguments} {
    Foo :: echo abc 1 2 3
} {
    $result == "abc | 3: 1 2 3"
}

test {"args" formal argument absorbs extra arguments} {
    Foo :: echo def
} {
    $result == "def | 0: "
}

test {"args" formal argument absorbs extra arguments} {
    x xecho abc 1 2 3
} {
    $result == "abc | 3: 1 2 3"
}

test {"args" formal argument absorbs extra arguments} {
    x xecho def
} {
    $result == "def | 0: "
}

test {Extra args cause an error} {
    catch "x configx arg arg error"
} {
    $result != 0
}

test {Extra args cause an error} {
    catch "x nothing error"
} {
    $result != 0
}

# ----------------------------------------------------------------------
#  DELETING OBJECTS
# ----------------------------------------------------------------------
test {Delete an object} {
    x delete
} {
    $result == ""
}

test {Delete an object} {
    xx delete
} {
    $result == ""
}

test {Destructor is properly invoked} {
    Foo :: foos
} {
    [test_cmp_lists $result [itcl_info objects -class Foo]]
}

test {Object names are removed as commands} {
    expr {[info commands x] == "" && [info commands xx] == ""}
} {
    $result == 1
}