freebsd-nq/contrib/tcl/tests/util.test

# This file is a Tcl script to test the code in the file tclUtil.c.
# This file is organized in the standard fashion for Tcl tests.
#
# Copyright (c) 1995-1997 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# SCCS: @(#) util.test 1.8 97/08/12 15:50:02

if {[info commands testobj] == {}} {
    puts "This application hasn't been compiled with the \"testobj\""
    puts "command, so I can't test the Tcl type and object support."
    return
}

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

test util-1.1 {TclFindElement procedure - binary element in middle of list} {
    lindex {0 foo\x00help 1} 1
} "foo\x00help"
test util-1.2 {TclFindElement procedure - binary element at end of list} {
    lindex {0 foo\x00help} 1
} "foo\x00help"

test util-2.1 {TclCopyAndCollapse procedure - normal string} {
    lindex {0 foo} 1
} {foo}
test util-2.2 {TclCopyAndCollapse procedure - string with backslashes} {
    lindex {0 foo\n\x00help 1} 1
} "foo\n\x00help"

test util-3.1 {Tcl_ScanCountedElement procedure - don't leave unmatched braces} {
    # This test checks for a very tricky feature.  Any list element
    # generated with Tcl_ScanCountedElement and Tcl_ConvertElement must
    # have the property that it can be enclosing in curly braces to make
    # an embedded sub-list.  If this property doesn't hold, then
    # Tcl_DStringStartSublist doesn't work.

    set x {}
    lappend x " \\\{ \\"
    concat $x [llength "{$x}"]
} {\ \\\{\ \\ 1}

test util-4.1 {Tcl_ConcatObj - backslash-space at end of argument} {
    concat a {b\ } c
} {a b\  c}
test util-4.2 {Tcl_ConcatObj - backslash-space at end of argument} {
    concat a {b\   } c
} {a b\  c}
test util-4.3 {Tcl_ConcatObj - backslash-space at end of argument} {
    concat a {b\\   } c
} {a b\\  c}
test util-4.4 {Tcl_ConcatObj - backslash-space at end of argument} {
    concat a {b } c
} {a b c}
test util-4.5 {Tcl_ConcatObj - backslash-space at end of argument} {
    concat a { } c
} {a c}

test util-5.1 {Tcl_SetObjErrorCode - one arg} {
    catch {testsetobjerrorcode 1}
    list [set errorCode]
} {1}
test util-5.2 {Tcl_SetObjErrorCode - two args} {
    catch {testsetobjerrorcode 1 2}
    list [set errorCode]
} {{1 2}}
test util-5.3 {Tcl_SetObjErrorCode - three args} {
    catch {testsetobjerrorcode 1 2 3}
    list [set errorCode]
} {{1 2 3}}
test util-5.4 {Tcl_SetObjErrorCode - four args} {
    catch {testsetobjerrorcode 1 2 3 4}
    list [set errorCode]
} {{1 2 3 4}}
test util-5.5 {Tcl_SetObjErrorCode - five args} {
    catch {testsetobjerrorcode 1 2 3 4 5}
    list [set errorCode]
} {{1 2 3 4 5}}

test util-6.1 {Tcl_PrintDouble - using tcl_precision} {
    concat x[expr 1.4]
} {x1.4}
test util-6.2 {Tcl_PrintDouble - using tcl_precision} {
    concat x[expr 1.39999999999]
} {x1.39999999999}
test util-6.3 {Tcl_PrintDouble - using tcl_precision} {
    concat x[expr 1.399999999999]
} {x1.4}
test util-6.4 {Tcl_PrintDouble - using tcl_precision} {
    set tcl_precision 5
    concat x[expr 1.123412341234]
} {x1.1234}
set tcl_precision 12
test util-6.4 {Tcl_PrintDouble - make sure there's a decimal point} {
    concat x[expr 2.0]
} {x2.0}
test util-6.5 {Tcl_PrintDouble - make sure there's a decimal point} {
    concat x[expr 3.0e98]
} {x3e+98}

test util-7.1 {TclPrecTraceProc - unset callbacks} {
    set tcl_precision 7
    set x $tcl_precision
    unset tcl_precision
    list $x $tcl_precision
} {7 7}
test util-7.2 {TclPrecTraceProc - read traces, sharing among interpreters} {
    set tcl_precision 12
    interp create child
    set x [child eval set tcl_precision]
    child eval {set tcl_precision 6}
    interp delete child
    list $x $tcl_precision
} {12 6}
test util-7.3 {TclPrecTraceProc - write traces, safe interpreters} {
    set tcl_precision 12
    interp create -safe child
    set x [child eval {
	list [catch {set tcl_precision 8} msg] $msg
    }]
    interp delete child
    list $x $tcl_precision
} {{1 {can't set "tcl_precision": can't modify precision from a safe interpreter}} 12}
test util-7.3 {TclPrecTraceProc - write traces, bogus values} {
    set tcl_precision 12
    list [catch {set tcl_precision abc} msg] $msg $tcl_precision
} {1 {can't set "tcl_precision": improper value for precision} 12}

set tcl_precision 12
concat ""