506 lines
12 KiB
Plaintext
506 lines
12 KiB
Plaintext
# 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.
|
|
#
|
|
# See the file "license.terms" for information on usage and redistribution
|
|
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
|
#
|
|
# SCCS: @(#) if.test 1.9 97/07/02 16:40:58
|
|
|
|
if {[string compare test [info procs test]] == 1} then {source defs}
|
|
|
|
# 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 $errorInfo
|
|
} {1 {syntax error in expression "1+"} {syntax error in expression "1+"
|
|
("if" test expression)
|
|
while compiling
|
|
"if {1+}"}}
|
|
test if-1.4 {TclCompileIfCmd: if/elseif test in braces} {
|
|
set a {}
|
|
if {1<2} {set a 1}
|
|
set a
|
|
} {1}
|
|
test if-1.5 {TclCompileIfCmd: if/elseif test not in braces} {
|
|
set a {}
|
|
if 1<2 {set a 1}
|
|
set a
|
|
} {1}
|
|
test if-1.6 {TclCompileIfCmd: multiline test expr} {
|
|
set a {}
|
|
if {($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 $errorInfo
|
|
} {1 {syntax error in expression "1>"} {syntax error in expression "1>"
|
|
("if" test expression)
|
|
while compiling
|
|
"if 3>4 {set a 1} elseif {1>}"}}
|
|
test if-2.5 {TclCompileIfCmd: test jumpFalse instruction replacement after long "elseif" body} {
|
|
catch {unset i}
|
|
set a {}
|
|
if 1>2 {
|
|
set a 1
|
|
while {$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.
|
|
|
|
test if-5.1 {if and computed command names} {
|
|
set i 0
|
|
set z if
|
|
$z 1 {
|
|
set i 1
|
|
}
|
|
set i
|
|
} 1
|