home *** CD-ROM | disk | FTP | other *** search
- # Commands covered: if
- #
- # This file contains a collection of tests for one or more of the Tcl
- # built-in commands. 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.
- # All rights reserved.
- #
- # Permission is hereby granted, without written agreement and without
- # license or royalty fees, to use, copy, modify, and distribute this
- # software and its documentation for any purpose, provided that the
- # above copyright notice and the following two paragraphs appear in
- # all copies of this software.
- #
- # IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
- # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
- # OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
- # CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- #
- # THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
- # INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- # AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- # ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
- # PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- #
- # $Header: /user6/ouster/tcl/tests/RCS/if.test,v 1.5 93/02/06 15:54:17 ouster Exp $ (Berkeley)
-
- if {[string compare test [info procs test]] == 1} then {source defs}
-
- test if-1.1 {taking proper branch} {
- set a {}
- if 0 {set a 1} else {set a 2}
- set a
- } 2
- test if-1.2 {taking proper branch} {
- set a {}
- if 1 {set a 1} else {set a 2}
- set a
- } 1
- test if-1.3 {taking proper branch} {
- set a {}
- if 1<2 {set a 1}
- set a
- } 1
- test if-1.4 {taking proper branch} {
- set a {}
- if 1>2 {set a 1}
- set a
- } {}
- test if-1.5 {taking proper branch} {
- set a {}
- if 0 {set a 1} else {}
- set a
- } {}
- test if-1.5 {taking proper branch} {
- set a {}
- if 0 {set a 1} elseif 1 {set a 2} elseif 1 {set a 3} else {set a 4}
- set a
- } {2}
- test if-1.6 {taking proper branch} {
- set a {}
- if 0 {set a 1} elseif 0 {set a 2} elseif 1 {set a 3} else {set a 4}
- set a
- } {3}
- test if-1.7 {taking proper branch} {
- set a {}
- if 0 {set a 1} elseif 0 {set a 2} elseif 0 {set a 3} else {set a 4}
- set a
- } {4}
-
-
- test if-2.1 {optional then-else args} {
- set a 44
- if 0 then {set a 1} elseif 0 then {set a 3} else {set a 2}
- set a
- } 2
- test if-2.2 {optional then-else args} {
- set a 44
- if 1 then {set a 1} else {set a 2}
- set a
- } 1
- test if-2.3 {optional then-else args} {
- set a 44
- if 0 {set a 1} else {set a 2}
- set a
- } 2
- test if-2.4 {optional then-else args} {
- set a 44
- if 1 {set a 1} else {set a 2}
- set a
- } 1
- test if-2.5 {optional then-else args} {
- set a 44
- if 0 then {set a 1} {set a 2}
- set a
- } 2
- test if-2.6 {optional then-else args} {
- set a 44
- if 1 then {set a 1} {set a 2}
- set a
- } 1
- test if-2.7 {optional then-else args} {
- set a 44
- if 0 then {set a 1} else {set a 2}
- set a
- } 2
- test if-2.8 {optional then-else args} {
- set a 44
- if 0 then {set a 1} elseif 0 {set a 2} elseif 0 {set a 3} {set a 4}
- set a
- } 4
-
- test if-3.1 {return value} {
- if 1 then {set a 22; concat abc}
- } abc
- test if-3.2 {return value} {
- if 0 then {set a 22; concat abc} elseif 1 {concat def} {concat ghi}
- } def
- test if-3.3 {return value} {
- if 0 then {set a 22; concat abc} else {concat def}
- } def
- test if-3.4 {return value} {
- if 0 then {set a 22; concat abc}
- } {}
- test if-3.5 {return value} {
- if 0 then {set a 22; concat abc} elseif 0 {concat def}
- } {}
-
- test if-4.1 {error conditions} {
- list [catch {if} msg] $msg
- } {1 {wrong # args: no expression after "if" argument}}
- test if-4.2 {error conditions} {
- list [catch {if {[error "error in condition"]}} msg] $msg
- } {1 {error in condition}}
- test if-4.3 {error conditions} {
- list [catch {if 2} msg] $msg
- } {1 {wrong # args: no script following "2" argument}}
- test if-4.4 {error conditions} {
- list [catch {if 2 then} msg] $msg
- } {1 {wrong # args: no script following "then" argument}}
- test if-4.5 {error conditions} {
- list [catch {if 2 the} msg] $msg
- } {1 {invalid command name: "the"}}
- test if-4.6 {error conditions} {
- list [catch {if 2 then {[error "error in then clause"]}} msg] $msg
- } {1 {error in then clause}}
- test if-4.7 {error conditions} {
- list [catch {if 0 then foo elseif} msg] $msg
- } {1 {wrong # args: no expression after "elseif" argument}}
- test if-4.8 {error conditions} {
- list [catch {if 0 then foo elsei} msg] $msg
- } {1 {invalid command name: "elsei"}}
- test if-4.9 {error conditions} {
- list [catch {if 0 then foo elseif 0 bar else} msg] $msg
- } {1 {wrong # args: no script following "else" argument}}
- test if-4.10 {error conditions} {
- list [catch {if 0 then foo elseif 0 bar els} msg] $msg
- } {1 {invalid command name: "els"}}
- test if-4.11 {error conditions} {
- list [catch {if 0 then foo elseif 0 bar else {[error "error in else clause"]}} msg] $msg
- } {1 {error in else clause}}
-