- # 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) 1996 Sun Microsystems, Inc.
- # Copyright (c) 1998-1999 by Scriptics Corporation.
- #
- # See the file "license.terms" for information on usage and redistribution
- # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- #
- # RCS: @(#) $Id: if.test,v 1.7 2001/12/04 15:36:29 dkf Exp $
- if {[lsearch [namespace children] ::tcltest] == -1} {
- package require tcltest
- namespace import -force ::tcltest::*
- }
- # Basic "if" operation.
- catch {unset a}
- test if-1.1 {TclCompileIfCmd: missing if/elseif test} {
- list [catch {if} msg] $msg
- } {1 {wrong # args: no expression after "if" argument}}
- test if-1.2 {TclCompileIfCmd: error in if/elseif test} {
- list [catch {if {[error "error in condition"]} foo} msg] $msg
- } {1 {error in condition}}
- test if-1.3 {TclCompileIfCmd: error in if/elseif test} {
- list [catch {if {1+}} msg] $msg $errorInfo
- } {1 {syntax error in expression "1+": premature end of expression} {syntax error in expression "1+": premature end of expression
- ("if" test expression)
- while compiling
- "if {1+}"}}
- test if-1.4 {TclCompileIfCmd: if/elseif test in braces} {
- set a {}
- if {1<2} {set a 1}
- set a
- } {1}
- test if-1.5 {TclCompileIfCmd: if/elseif test not in braces} {
- set a {}
- if 1<2 {set a 1}
- set a
- } {1}
- test if-1.6 {TclCompileIfCmd: multiline test expr} {
- set a {}
- if {($tcl_platform(platform) != "foobar1") &&
- ($tcl_platform(platform) != "foobar2")} {set a 3} else {set a 4}
- set a
- } 3
- test if-1.7 {TclCompileIfCmd: "then" after if/elseif test} {
- set a {}
- if 4>3 then {set a 1}
- set a
- } {1}
- test if-1.8 {TclCompileIfCmd: keyword other than "then" after if/elseif test} {
- set a {}
- catch {if 1<2 therefore {set a 1}} msg
- set msg
- } {invalid command name "therefore"}
- test if-1.9 {TclCompileIfCmd: missing "then" body} {
- set a {}
- catch {if 1<2 then} msg
- set msg
- } {wrong # args: no script following "then" argument}
- test if-1.10 {TclCompileIfCmd: error in "then" body} {
- set a {}
- list [catch {if {$a!="xxx"} then {set}} msg] $msg $errorInfo
- } {1 {wrong # args: should be "set varName ?newValue?"} {wrong # args: should be "set varName ?newValue?"
- while compiling
- "set"
- ("if" then script line 1)
- while compiling
- "if {$a!="xxx"} then {set}"}}
- test if-1.11 {TclCompileIfCmd: error in "then" body} {
- list [catch {if 2 then {[error "error in then clause"]}} msg] $msg
- } {1 {error in then clause}}
- test if-1.12 {TclCompileIfCmd: "then" body in quotes} {
- set a {}
- if 27>17 "append a x"
- set a
- } {x}
- test if-1.13 {TclCompileIfCmd: computed "then" body} {
- catch {unset x1}
- catch {unset x2}
- set a {}
- set x1 {append a x1}
- set x2 {; append a x2}
- set a {}
- if 1 $x1$x2
- set a
- } {x1x2}
- test if-1.14 {TclCompileIfCmd: taking proper branch} {
- set a {}
- if 1<2 {set a 1}
- set a
- } 1
- test if-1.15 {TclCompileIfCmd: taking proper branch} {
- set a {}
- if 1>2 {set a 1}
- set a
- } {}
- test if-1.16 {TclCompileIfCmd: test jumpFalse instruction replacement after long "then" body} {
- catch {unset i}
- set a {}
- if 1<2 {
- set a 1
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 2
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 3
- }
- set a
- } 3
- test if-1.17 {TclCompileIfCmd: if/elseif test in quotes} {
- set a {}
- list [catch {if {"0 < 3"} {set a 1}} msg] $msg
- } {1 {expected boolean value but got "0 < 3"}}
- test if-2.1 {TclCompileIfCmd: "elseif" after if/elseif test} {
- set a {}
- if 3>4 {set a 1} elseif 1 {set a 2}
- set a
- } {2}
- # Since "else" is optional, the "elwood" below is treated as a command.
- # But then there shouldn't be any additional argument words for the "if".
- test if-2.2 {TclCompileIfCmd: keyword other than "elseif"} {
- set a {}
- catch {if 1<2 {set a 1} elwood {set a 2}} msg
- set msg
- } {wrong # args: extra words after "else" clause in "if" command}
- test if-2.3 {TclCompileIfCmd: missing expression after "elseif"} {
- set a {}
- catch {if 1<2 {set a 1} elseif} msg
- set msg
- } {wrong # args: no expression after "elseif" argument}
- test if-2.4 {TclCompileIfCmd: error in expression after "elseif"} {
- set a {}
- list [catch {if 3>4 {set a 1} elseif {1>}} msg] $msg $errorInfo
- } {1 {syntax error in expression "1>": premature end of expression} {syntax error in expression "1>": premature end of expression
- ("if" test expression)
- while compiling
- "if 3>4 {set a 1} elseif {1>}"}}
- test if-2.5 {TclCompileIfCmd: test jumpFalse instruction replacement after long "elseif" body} {
- catch {unset i}
- set a {}
- if 1>2 {
- set a 1
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 2
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 3
- } elseif 1<2 then { #; this if arm should be taken
- set a 4
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 5
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 6
- }
- set a
- } 6
- test if-3.1 {TclCompileIfCmd: "else" clause} {
- set a {}
- if 3>4 {set a 1} elseif {$a == "foo"} {set a 2} else {set a 3}
- set a
- } 3
- # Since "else" is optional, the "elsex" below is treated as a command.
- # But then there shouldn't be any additional argument words for the "if".
- test if-3.2 {TclCompileIfCmd: keyword other than "else"} {
- set a {}
- catch {if 1<2 then {set a 1} elsex {set a 2}} msg
- set msg
- } {wrong # args: extra words after "else" clause in "if" command}
- test if-3.3 {TclCompileIfCmd: missing body after "else"} {
- set a {}
- catch {if 2<1 {set a 1} else} msg
- set msg
- } {wrong # args: no script following "else" argument}
- test if-3.4 {TclCompileIfCmd: error compiling body after "else"} {
- set a {}
- catch {if 2<1 {set a 1} else {set}} msg
- set errorInfo
- } {wrong # args: should be "set varName ?newValue?"
- while compiling
- "set"
- ("if" else script line 1)
- while compiling
- "if 2<1 {set a 1} else {set}"}
- test if-3.5 {TclCompileIfCmd: extra arguments after "else" argument} {
- set a {}
- catch {if 2<1 {set a 1} else {set a 2} or something} msg
- set msg
- } {wrong # args: extra words after "else" clause in "if" command}
- # The following test also checks whether contained loops and other
- # commands are properly relocated because a short jump must be replaced
- # by a "long distance" one.
- test if-3.6 {TclCompileIfCmd: test jumpFalse instruction replacement after long "else" clause} {
- catch {unset i}
- set a {}
- if 1>2 {
- set a 1
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 2
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 3
- } elseif 1==2 then { #; this if arm should be taken
- set a 4
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 5
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 6
- } else {
- set a 7
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 8
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- if {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 9
- }
- set a
- } 9
- test if-4.1 {TclCompileIfCmd: "if" command result} {
- set a {}
- set a [if 3<4 {set i 27}]
- set a
- } 27
- test if-4.2 {TclCompileIfCmd: "if" command result} {
- set a {}
- set a [if 3>4 {set i 27}]
- set a
- } {}
- test if-4.3 {TclCompileIfCmd: "if" command result} {
- set a {}
- set a [if 0 {set i 1} elseif 1 {set i 2}]
- set a
- } 2
- test if-4.4 {TclCompileIfCmd: "if" command result} {
- set a {}
- set a [if 0 {set i 1} elseif 0 {set i 2} elseif 2>5 {set i 3} else {set i 4}]
- set a
- } 4
- test if-4.5 {TclCompileIfCmd: return value} {
- if 0 then {set a 22; concat abc} elseif 1 {concat def} {concat ghi}
- } def
- # Check "if" and computed command names.
- catch {unset a}
- test if-5.1 {if cmd with computed command names: missing if/elseif test} {
- set z if
- list [catch {$z} msg] $msg
- } {1 {wrong # args: no expression after "if" argument}}
- test if-5.2 {if cmd with computed command names: error in if/elseif test} {
- set z if
- list [catch {$z {[error "error in condition"]} foo} msg] $msg
- } {1 {error in condition}}
- test if-5.3 {if cmd with computed command names: error in if/elseif test} {
- set z if
- list [catch {$z {1+}} msg] $msg $errorInfo
- } {1 {syntax error in expression "1+": premature end of expression} {syntax error in expression "1+": premature end of expression
- while executing
- "$z {1+}"}}
- test if-5.4 {if cmd with computed command names: if/elseif test in braces} {
- set z if
- set a {}
- $z {1<2} {set a 1}
- set a
- } {1}
- test if-5.5 {if cmd with computed command names: if/elseif test not in braces} {
- set z if
- set a {}
- $z 1<2 {set a 1}
- set a
- } {1}
- test if-5.6 {if cmd with computed command names: multiline test expr} {
- set z if
- set a {}
- $z {($tcl_platform(platform) != "foobar1") &&
- ($tcl_platform(platform) != "foobar2")} {set a 3} else {set a 4}
- set a
- } 3
- test if-5.7 {if cmd with computed command names: "then" after if/elseif test} {
- set z if
- set a {}
- $z 4>3 then {set a 1}
- set a
- } {1}
- test if-5.8 {if cmd with computed command names: keyword other than "then" after if/elseif test} {
- set z if
- set a {}
- catch {$z 1<2 therefore {set a 1}} msg
- set msg
- } {invalid command name "therefore"}
- test if-5.9 {if cmd with computed command names: missing "then" body} {
- set z if
- set a {}
- catch {$z 1<2 then} msg
- set msg
- } {wrong # args: no script following "then" argument}
- test if-5.10 {if cmd with computed command names: error in "then" body} {
- set z if
- set a {}
- list [catch {$z {$a!="xxx"} then {set}} msg] $msg $errorInfo
- } {1 {wrong # args: should be "set varName ?newValue?"} {wrong # args: should be "set varName ?newValue?"
- while compiling
- "set"
- invoked from within
- "$z {$a!="xxx"} then {set}"}}
- test if-5.11 {if cmd with computed command names: error in "then" body} {
- set z if
- list [catch {$z 2 then {[error "error in then clause"]}} msg] $msg
- } {1 {error in then clause}}
- test if-5.12 {if cmd with computed command names: "then" body in quotes} {
- set z if
- set a {}
- $z 27>17 "append a x"
- set a
- } {x}
- test if-5.13 {if cmd with computed command names: computed "then" body} {
- set z if
- catch {unset x1}
- catch {unset x2}
- set a {}
- set x1 {append a x1}
- set x2 {; append a x2}
- set a {}
- $z 1 $x1$x2
- set a
- } {x1x2}
- test if-5.14 {if cmd with computed command names: taking proper branch} {
- set z if
- set a {}
- $z 1<2 {set a 1}
- set a
- } 1
- test if-5.15 {if cmd with computed command names: taking proper branch} {
- set z if
- set a {}
- $z 1>2 {set a 1}
- set a
- } {}
- test if-5.16 {if cmd with computed command names: test jumpFalse instruction replacement after long "then" body} {
- set z if
- catch {unset i}
- set a {}
- $z 1<2 {
- set a 1
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 2
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 3
- }
- set a
- } 3
- test if-5.17 {if cmd with computed command names: if/elseif test in quotes} {
- set z if
- set a {}
- list [catch {$z {"0 < 3"} {set a 1}} msg] $msg
- } {1 {expected boolean value but got "0 < 3"}}
- test if-6.1 {if cmd with computed command names: "elseif" after if/elseif test} {
- set z if
- set a {}
- $z 3>4 {set a 1} elseif 1 {set a 2}
- set a
- } {2}
- # Since "else" is optional, the "elwood" below is treated as a command.
- # But then there shouldn't be any additional argument words for the "if".
- test if-6.2 {if cmd with computed command names: keyword other than "elseif"} {
- set z if
- set a {}
- catch {$z 1<2 {set a 1} elwood {set a 2}} msg
- set msg
- } {wrong # args: extra words after "else" clause in "if" command}
- test if-6.3 {if cmd with computed command names: missing expression after "elseif"} {
- set z if
- set a {}
- catch {$z 1<2 {set a 1} elseif} msg
- set msg
- } {wrong # args: no expression after "elseif" argument}
- test if-6.4 {if cmd with computed command names: error in expression after "elseif"} {
- set z if
- set a {}
- list [catch {$z 3>4 {set a 1} elseif {1>}} msg] $msg $errorInfo
- } {1 {syntax error in expression "1>": premature end of expression} {syntax error in expression "1>": premature end of expression
- while executing
- "$z 3>4 {set a 1} elseif {1>}"}}
- test if-6.5 {if cmd with computed command names: test jumpFalse instruction replacement after long "elseif" body} {
- set z if
- catch {unset i}
- set a {}
- $z 1>2 {
- set a 1
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 2
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 3
- } elseif 1<2 then { #; this if arm should be taken
- set a 4
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 5
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 6
- }
- set a
- } 6
- test if-7.1 {if cmd with computed command names: "else" clause} {
- set z if
- set a {}
- $z 3>4 {set a 1} elseif {$a == "foo"} {set a 2} else {set a 3}
- set a
- } 3
- # Since "else" is optional, the "elsex" below is treated as a command.
- # But then there shouldn't be any additional argument words for the "if".
- test if-7.2 {if cmd with computed command names: keyword other than "else"} {
- set z if
- set a {}
- catch {$z 1<2 then {set a 1} elsex {set a 2}} msg
- set msg
- } {wrong # args: extra words after "else" clause in "if" command}
- test if-7.3 {if cmd with computed command names: missing body after "else"} {
- set z if
- set a {}
- catch {$z 2<1 {set a 1} else} msg
- set msg
- } {wrong # args: no script following "else" argument}
- test if-7.4 {if cmd with computed command names: error compiling body after "else"} {
- set z if
- set a {}
- catch {$z 2<1 {set a 1} else {set}} msg
- set errorInfo
- } {wrong # args: should be "set varName ?newValue?"
- while compiling
- "set"
- invoked from within
- "$z 2<1 {set a 1} else {set}"}
- test if-7.5 {if cmd with computed command names: extra arguments after "else" argument} {
- set z if
- set a {}
- catch {$z 2<1 {set a 1} else {set a 2} or something} msg
- set msg
- } {wrong # args: extra words after "else" clause in "if" command}
- # The following test also checks whether contained loops and other
- # commands are properly relocated because a short jump must be replaced
- # by a "long distance" one.
- test if-7.6 {if cmd with computed command names: test jumpFalse instruction replacement after long "else" clause} {
- set z if
- catch {unset i}
- set a {}
- $z 1>2 {
- set a 1
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 2
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 3
- } elseif 1==2 then { #; this if arm should be taken
- set a 4
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 5
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 6
- } else {
- set a 7
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 8
- while {$a != "xxx"} {
- break;
- while {$i >= 0} {
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- $z {[string compare $a "bar"] < 0} {
- set i $i
- set i [lindex $s $i]
- }
- set i [expr $i-1]
- }
- }
- set a 9
- }
- set a
- } 9
- test if-8.1 {if cmd with computed command names: "if" command result} {
- set z if
- set a {}
- set a [$z 3<4 {set i 27}]
- set a
- } 27
- test if-8.2 {if cmd with computed command names: "if" command result} {
- set z if
- set a {}
- set a [$z 3>4 {set i 27}]
- set a
- } {}
- test if-8.3 {if cmd with computed command names: "if" command result} {
- set z if
- set a {}
- set a [$z 0 {set i 1} elseif 1 {set i 2}]
- set a
- } 2
- test if-8.4 {if cmd with computed command names: "if" command result} {
- set z if
- set a {}
- set a [$z 0 {set i 1} elseif 0 {set i 2} elseif 2>5 {set i 3} else {set i 4}]
- set a
- } 4
- test if-8.5 {if cmd with computed command names: return value} {
- set z if
- $z 0 then {set a 22; concat abc} elseif 1 {concat def} {concat ghi}
- } def
- test if-9.1 {if cmd with namespace qualifiers} {
- ::if {1} {set x 4}
- } 4
- # Test for incorrect "double evaluation semantics"
- test if-10.1 {delayed substitution of then body} {
- set j 0
- set if if
- # this is not compiled
- $if {[incr j] == 1} "
- set result $j
- "
- # this will be compiled
- proc p {} {
- set j 0
- if {[incr j]} "
- set result $j
- "
- set result
- }
- append result [p]
- } {00}
- test if-10.2 {delayed substitution of elseif expression} {
- set j 0
- set if if
- # this is not compiled
- $if {[incr j] == 0} {
- set result badthen
- } elseif "$j == 1" {
- set result badelseif
- } else {
- set result 0
- }
- # this will be compiled
- proc p {} {
- set j 0
- if {[incr j] == 0} {
- set result badthen
- } elseif "$j == 1" {
- set result badelseif
- } else {
- set result 0
- }
- set result
- }
- append result [p]
- } {00}
- test if-10.3 {delayed substitution of elseif body} {
- set j 0
- set if if
- # this is not compiled
- $if {[incr j] == 0} {
- set result badthen
- } elseif {1} "
- set result $j
- "
- # this will be compiled
- proc p {} {
- set j 0
- if {[incr j] == 0} {
- set result badthen
- } elseif {1} "
- set result $j
- "
- }
- append result [p]
- } {00}
- test if-10.4 {delayed substitution of else body} {
- set j 0
- if {[incr j] == 0} {
- set result badthen
- } else "
- set result $j
- "
- set result
- } {0}
- test if-10.5 {substituted control words} {
- set then then; proc then {} {return badthen}
- set else else; proc else {} {return badelse}
- set elseif elseif; proc elseif {} {return badelseif}
- list [catch {if 1 $then {if 0 {} $elseif 1 {if 0 {} $else {list ok}}}} a] $a
- } {0 ok}
- test if-10.6 {double invocation of variable traces} {
- set iftracecounter 0
- proc iftraceproc {args} {
- upvar #0 iftracecounter counter
- set argc [llength $args]
- set extraargs [lrange $args 0 [expr {$argc - 4}]]
- set name [lindex $args [expr {$argc - 3}]]
- upvar 1 $name var
- if {[incr counter] % 2 == 1} {
- set var "$counter oops [concat $extraargs]"
- } else {
- set var "$counter + [concat $extraargs]"
- }
- }
- trace variable iftracevar r [list iftraceproc 10]
- list [catch {if "$iftracevar + 20" {}} a] $a
- [catch {if "$iftracevar + 20" {}} b] $b
- [unset iftracevar iftracecounter]
- } {1 {syntax error in expression "1 oops 10 + 20": extra tokens at end of expression} 0 {} {}}
- # cleanup
- ::tcltest::cleanupTests
- return