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[/] [or1k/] [trunk/] [insight/] [tcl/] [tests/] [proc-old.test] - Rev 1774

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# Commands covered:  proc, return, global
#
# This file, proc-old.test, includes the original set of tests for Tcl's
# proc, return, and global commands. There is now a new file proc.test
# that contains tests for the tclProc.c source file.
#
# Sourcing this file into Tcl runs the tests and generates output for
# errors.  No output means no errors were found.
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1997 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: proc-old.test,v 1.1.1.1 2002-01-16 10:25:36 markom Exp $

if {[string compare test [info procs test]] == 1} then {source defs}

catch {rename t1 ""}
catch {rename foo ""}

proc tproc {} {return a; return b}
test proc-old-1.1 {simple procedure call and return} {tproc} a
proc tproc x {
    set x [expr $x+1]
    return $x
}
test proc-old-1.2 {simple procedure call and return} {tproc 2} 3
test proc-old-1.3 {simple procedure call and return} {
    proc tproc {} {return foo}
} {}
test proc-old-1.4 {simple procedure call and return} {
    proc tproc {} {return}
    tproc
} {}
proc tproc1 {a}   {incr a; return $a}
proc tproc2 {a b} {incr a; return $a}
test proc-old-1.5 {simple procedure call and return (2 procs with same body but different parameters)} {
    list [tproc1 123] [tproc2 456 789]
} {124 457}
test proc-old-1.6 {simple procedure call and return (shared proc body string)} {
    set x {}
    proc tproc {} {}   ;# body is shared with x
    list [tproc] [append x foo]
} {{} foo}

test proc-old-2.1 {local and global variables} {
    proc tproc x {
        set x [expr $x+1]
        return $x
    }
    set x 42
    list [tproc 6] $x
} {7 42}
test proc-old-2.2 {local and global variables} {
    proc tproc x {
        set y [expr $x+1]
        return $y
    }
    set y 18
    list [tproc 6] $y
} {7 18}
test proc-old-2.3 {local and global variables} {
    proc tproc x {
        global y
        set y [expr $x+1]
        return $y
    }
    set y 189
    list [tproc 6] $y
} {7 7}
test proc-old-2.4 {local and global variables} {
    proc tproc x {
        global y
        return [expr $x+$y]
    }
    set y 189
    list [tproc 6] $y
} {195 189}
catch {unset _undefined_}
test proc-old-2.5 {local and global variables} {
    proc tproc x {
        global _undefined_
        return $_undefined_
    }
    list [catch {tproc xxx} msg] $msg
} {1 {can't read "_undefined_": no such variable}}
test proc-old-2.6 {local and global variables} {
    set a 114
    set b 115
    global a b
    list $a $b
} {114 115}

proc do {cmd} {eval $cmd}
test proc-old-3.1 {local and global arrays} {
    catch {unset a}
    set a(0) 22
    list [catch {do {global a; set a(0)}} msg] $msg
} {0 22}
test proc-old-3.2 {local and global arrays} {
    catch {unset a}
    set a(x) 22
    list [catch {do {global a; set a(x) newValue}} msg] $msg $a(x)
} {0 newValue newValue}
test proc-old-3.3 {local and global arrays} {
    catch {unset a}
    set a(x) 22
    set a(y) 33
    list [catch {do {global a; unset a(y)}; array names a} msg] $msg
} {0 x}
test proc-old-3.4 {local and global arrays} {
    catch {unset a}
    set a(x) 22
    set a(y) 33
    list [catch {do {global a; unset a; info exists a}} msg] $msg \
            [info exists a]
} {0 0 0}
test proc-old-3.5 {local and global arrays} {
    catch {unset a}
    set a(x) 22
    set a(y) 33
    list [catch {do {global a; unset a(y); array names a}} msg] $msg
} {0 x}
catch {unset a}
test proc-old-3.6 {local and global arrays} {
    catch {unset a}
    set a(x) 22
    set a(y) 33
    do {global a; do {global a; unset a}; set a(z) 22}
    list [catch {array names a} msg] $msg
} {0 z}
test proc-old-3.7 {local and global arrays} {
    proc t1 {args} {global info; set info 1}
    catch {unset a}
    set info {}
    do {global a; trace var a(1) w t1}
    set a(1) 44
    set info
} 1
test proc-old-3.8 {local and global arrays} {
    proc t1 {args} {global info; set info 1}
    catch {unset a}
    trace var a(1) w t1
    set info {}
    do {global a; trace vdelete a(1) w t1}
    set a(1) 44
    set info
} {}
test proc-old-3.9 {local and global arrays} {
    proc t1 {args} {global info; set info 1}
    catch {unset a}
    trace var a(1) w t1
    do {global a; trace vinfo a(1)}
} {{w t1}}
catch {unset a}

test proc-old-3.1 {arguments and defaults} {
    proc tproc {x y z} {
        return [list $x $y $z]
    }
    tproc 11 12 13
} {11 12 13}
test proc-old-3.2 {arguments and defaults} {
    proc tproc {x y z} {
        return [list $x $y $z]
    }
    list [catch {tproc 11 12} msg] $msg
} {1 {no value given for parameter "z" to "tproc"}}
test proc-old-3.3 {arguments and defaults} {
    proc tproc {x y z} {
        return [list $x $y $z]
    }
    list [catch {tproc 11 12 13 14} msg] $msg
} {1 {called "tproc" with too many arguments}}
test proc-old-3.4 {arguments and defaults} {
    proc tproc {x {y y-default} {z z-default}} {
        return [list $x $y $z]
    }
    tproc 11 12 13
} {11 12 13}
test proc-old-3.5 {arguments and defaults} {
    proc tproc {x {y y-default} {z z-default}} {
        return [list $x $y $z]
    }
    tproc 11 12
} {11 12 z-default}
test proc-old-3.6 {arguments and defaults} {
    proc tproc {x {y y-default} {z z-default}} {
        return [list $x $y $z]
    }
    tproc 11
} {11 y-default z-default}
test proc-old-3.7 {arguments and defaults} {
    proc tproc {x {y y-default} {z z-default}} {
        return [list $x $y $z]
    }
    list [catch {tproc} msg] $msg
} {1 {no value given for parameter "x" to "tproc"}}
test proc-old-3.8 {arguments and defaults} {
    list [catch {
        proc tproc {x {y y-default} z} {
            return [list $x $y $z]
        }
        tproc 2 3
    } msg] $msg
} {1 {no value given for parameter "z" to "tproc"}}
test proc-old-3.9 {arguments and defaults} {
    proc tproc {x {y y-default} args} {
        return [list $x $y $args]
    }
    tproc 2 3 4 5
} {2 3 {4 5}}
test proc-old-3.10 {arguments and defaults} {
    proc tproc {x {y y-default} args} {
        return [list $x $y $args]
    }
    tproc 2 3
} {2 3 {}}
test proc-old-3.11 {arguments and defaults} {
    proc tproc {x {y y-default} args} {
        return [list $x $y $args]
    }
    tproc 2
} {2 y-default {}}
test proc-old-3.12 {arguments and defaults} {
    proc tproc {x {y y-default} args} {
        return [list $x $y $args]
    }
    list [catch {tproc} msg] $msg
} {1 {no value given for parameter "x" to "tproc"}}

test proc-old-4.1 {variable numbers of arguments} {
    proc tproc args {return $args}
    tproc
} {}
test proc-old-4.2 {variable numbers of arguments} {
    proc tproc args {return $args}
    tproc 1 2 3 4 5 6 7 8
} {1 2 3 4 5 6 7 8}
test proc-old-4.3 {variable numbers of arguments} {
    proc tproc args {return $args}
    tproc 1 {2 3} {4 {5 6} {{{7}}}} 8
} {1 {2 3} {4 {5 6} {{{7}}}} 8}
test proc-old-4.4 {variable numbers of arguments} {
    proc tproc {x y args} {return $args}
    tproc 1 2 3 4 5 6 7
} {3 4 5 6 7}
test proc-old-4.5 {variable numbers of arguments} {
    proc tproc {x y args} {return $args}
    tproc 1 2
} {}
test proc-old-4.6 {variable numbers of arguments} {
    proc tproc {x missing args} {return $args}
    list [catch {tproc 1} msg] $msg
} {1 {no value given for parameter "missing" to "tproc"}}

test proc-old-5.1 {error conditions} {
    list [catch {proc} msg] $msg
} {1 {wrong # args: should be "proc name args body"}}
test proc-old-5.2 {error conditions} {
    list [catch {proc tproc b} msg] $msg
} {1 {wrong # args: should be "proc name args body"}}
test proc-old-5.3 {error conditions} {
    list [catch {proc tproc b c d e} msg] $msg
} {1 {wrong # args: should be "proc name args body"}}
test proc-old-5.4 {error conditions} {
    list [catch {proc tproc \{xyz {return foo}} msg] $msg
} {1 {unmatched open brace in list}}
test proc-old-5.5 {error conditions} {
    list [catch {proc tproc {{} y} {return foo}} msg] $msg
} {1 {procedure "tproc" has argument with no name}}
test proc-old-5.6 {error conditions} {
    list [catch {proc tproc {{} y} {return foo}} msg] $msg
} {1 {procedure "tproc" has argument with no name}}
test proc-old-5.7 {error conditions} {
    list [catch {proc tproc {{x 1 2} y} {return foo}} msg] $msg
} {1 {too many fields in argument specifier "x 1 2"}}
test proc-old-5.8 {error conditions} {
    catch {return}
} 2
test proc-old-5.9 {error conditions} {
    list [catch {global} msg] $msg
} {1 {wrong # args: should be "global varName ?varName ...?"}}
proc tproc {} {
    set a 22
    global a
}
test proc-old-5.10 {error conditions} {
    list [catch {tproc} msg] $msg
} {1 {variable "a" already exists}}
test proc-old-5.11 {error conditions} {
    catch {rename tproc {}}
    catch {
        proc tproc {x {} z} {return foo}
    }
    list [catch {tproc 1} msg] $msg
} {1 {invalid command name "tproc"}}
test proc-old-5.12 {error conditions} {
    proc tproc {} {
        set a 22
        error "error in procedure"
        return
    }
    list [catch tproc msg] $msg
} {1 {error in procedure}}
test proc-old-5.13 {error conditions} {
    proc tproc {} {
        set a 22
        error "error in procedure"
        return
    }
    catch tproc msg
    set errorInfo
} {error in procedure
    while executing
"error "error in procedure""
    (procedure "tproc" line 3)
    invoked from within
"tproc"}
test proc-old-5.14 {error conditions} {
    proc tproc {} {
        set a 22
        break
        return
    }
    catch tproc msg
    set errorInfo
} {invoked "break" outside of a loop
    while executing
"tproc"}
test proc-old-5.15 {error conditions} {
    proc tproc {} {
        set a 22
        continue
        return
    }
    catch tproc msg
    set errorInfo
} {invoked "continue" outside of a loop
    while executing
"tproc"}
test proc-old-5.16 {error conditions} {
    proc foo args {
        global fooMsg
        set fooMsg "foo was called: $args"
    }
    proc tproc {} {
        set x 44
        trace var x u foo
        while {$x < 100} {
            error "Nested error"
        }
    }
    set fooMsg "foo not called"
    list [catch tproc msg] $msg $errorInfo $fooMsg
} {1 {Nested error} {Nested error
    while executing
"error "Nested error""
    (procedure "tproc" line 5)
    invoked from within
"tproc"} {foo was called: x {} u}}

# The tests below will really only be useful when run under Purify or
# some other system that can detect accesses to freed memory...

test proc-old-6.1 {procedure that redefines itself} {
    proc tproc {} {
        proc tproc {} {
            return 44
        }
        return 45
    }
    tproc
} 45
test proc-old-6.2 {procedure that deletes itself} {
    proc tproc {} {
        rename tproc {}
        return 45
    }
    tproc
} 45

proc tproc code {
    return -code $code abc
}
test proc-old-7.1 {return with special completion code} {
    list [catch {tproc ok} msg] $msg
} {0 abc}
test proc-old-7.2 {return with special completion code} {
    list [catch {tproc error} msg] $msg $errorInfo $errorCode
} {1 abc {abc
    while executing
"tproc error"} NONE}
test proc-old-7.3 {return with special completion code} {
    list [catch {tproc return} msg] $msg
} {2 abc}
test proc-old-7.4 {return with special completion code} {
    list [catch {tproc break} msg] $msg
} {3 abc}
test proc-old-7.5 {return with special completion code} {
    list [catch {tproc continue} msg] $msg
} {4 abc}
test proc-old-7.6 {return with special completion code} {
    list [catch {tproc -14} msg] $msg
} {-14 abc}
test proc-old-7.7 {return with special completion code} {
    list [catch {tproc gorp} msg] $msg
} {1 {bad completion code "gorp": must be ok, error, return, break, continue, or an integer}}
test proc-old-7.8 {return with special completion code} {
    list [catch {tproc 10b} msg] $msg
} {1 {bad completion code "10b": must be ok, error, return, break, continue, or an integer}}
test proc-old-7.9 {return with special completion code} {
    proc tproc2 {} {
        tproc return
    }
    list [catch tproc2 msg] $msg
} {0 abc}
test proc-old-7.10 {return with special completion code} {
    proc tproc2 {} {
        return -code error
    }
    list [catch tproc2 msg] $msg
} {1 {}}
test proc-old-7.11 {return with special completion code} {
    proc tproc2 {} {
        global errorCode errorInfo
        catch {open _bad_file_name r} msg
        return -code error -errorinfo $errorInfo -errorcode $errorCode $msg
    }
    normalizeMsg [list [catch tproc2 msg] $msg $errorInfo $errorCode]
} {1 {couldn't open "_bad_file_name": no such file or directory} {couldn't open "_bad_file_name": no such file or directory
    while executing
"open _bad_file_name r"
    invoked from within
"tproc2"} {posix enoent {no such file or directory}}}
test proc-old-7.12 {return with special completion code} {
    proc tproc2 {} {
        global errorCode errorInfo
        catch {open _bad_file_name r} msg
        return -code error -errorcode $errorCode $msg
    }
    normalizeMsg [list [catch tproc2 msg] $msg $errorInfo $errorCode]
} {1 {couldn't open "_bad_file_name": no such file or directory} {couldn't open "_bad_file_name": no such file or directory
    while executing
"tproc2"} {posix enoent {no such file or directory}}}
test proc-old-7.13 {return with special completion code} {
    proc tproc2 {} {
        global errorCode errorInfo
        catch {open _bad_file_name r} msg
        return -code error -errorinfo $errorInfo $msg
    }
    normalizeMsg [list [catch tproc2 msg] $msg $errorInfo $errorCode]
} {1 {couldn't open "_bad_file_name": no such file or directory} {couldn't open "_bad_file_name": no such file or directory
    while executing
"open _bad_file_name r"
    invoked from within
"tproc2"} none}
test proc-old-7.14 {return with special completion code} {
    proc tproc2 {} {
        global errorCode errorInfo
        catch {open _bad_file_name r} msg
        return -code error $msg
    }
    normalizeMsg [list [catch tproc2 msg] $msg $errorInfo $errorCode]
} {1 {couldn't open "_bad_file_name": no such file or directory} {couldn't open "_bad_file_name": no such file or directory
    while executing
"tproc2"} none}
test proc-old-7.14 {return with special completion code} {
    list [catch {return -badOption foo message} msg] $msg
} {1 {bad option "-badOption": must be -code, -errorcode, or -errorinfo}}

test proc-old-8.1 {unset and undefined local arrays} {
    proc t1 {} {
        foreach v {xxx, yyy} {
            catch {unset $v}
        }
        set yyy(foo) bar
    }
    t1
} bar

test proc-old-9.1 {empty command name} {
    catch {rename {} ""}
    proc t1 {args} {
        return
    }
    set v [t1]
    catch {$v}
} 1

test proc-old-10.1 {ByteCode epoch change during recursive proc execution} {
    proc t1 x {
        set y 20
        rename expr expr.old
        rename expr.old expr
        if $x then {t1 0} ;# recursive call after foo's code is invalidated
        return 20
    }
    t1 1
} 20

catch {rename t1 ""}
catch {rename foo ""}

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