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Diffstat (limited to 'tcl8.6/tests/if.test')
-rw-r--r-- | tcl8.6/tests/if.test | 1282 |
1 files changed, 1282 insertions, 0 deletions
diff --git a/tcl8.6/tests/if.test b/tcl8.6/tests/if.test new file mode 100644 index 0000000..040364a --- /dev/null +++ b/tcl8.6/tests/if.test @@ -0,0 +1,1282 @@ +# 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. + +if {[lsearch [namespace children] ::tcltest] == -1} { + package require tcltest 2 + namespace import -force ::tcltest::* +} + +# Basic "if" operation. + +catch {unset a} +test if-1.1 {TclCompileIfCmd: missing if/elseif test} -body { + if +} -returnCodes error -result {wrong # args: no expression after "if" argument} +test if-1.2 {TclCompileIfCmd: error in if/elseif test} -body { + if {[error "error in condition"]} foo +} -returnCodes error -result {error in condition} +test if-1.3 {TclCompileIfCmd: error in if/elseif test} -body { + list [catch {if {1+}} msg] $msg $::errorInfo +} -match glob -cleanup { + unset msg +} -result {1 * {*"if {1+}"}} +test if-1.4 {TclCompileIfCmd: if/elseif test in braces} -body { + set a {} + if {1<2} {set a 1} + return $a +} -cleanup { + unset a +} -result {1} +test if-1.5 {TclCompileIfCmd: if/elseif test not in braces} -body { + set a {} + if 1<2 {set a 1} + return $a +} -cleanup { + unset a +} -result {1} +test if-1.6 {TclCompileIfCmd: multiline test expr} -setup { + set a {} +} -body { + if {($tcl_platform(platform) != "foobar1") && \ + ($tcl_platform(platform) != "foobar2")} {set a 3} else {set a 4} + return $a +} -cleanup { + unset a +} -result 3 +test if-1.7 {TclCompileIfCmd: "then" after if/elseif test} -body { + set a {} + if 4>3 then {set a 1} + return $a +} -cleanup { + unset a +} -result {1} +test if-1.8 {TclCompileIfCmd: keyword other than "then" after if/elseif test} -setup { + set a {} +} -body { + if 1<2 therefore {set a 1} +} -cleanup { + unset a +} -returnCodes error -result {invalid command name "therefore"} +test if-1.9 {TclCompileIfCmd: missing "then" body} -setup { + set a {} +} -body { + if 1<2 then +} -cleanup { + unset a +} -returnCodes error -result {wrong # args: no script following "then" argument} +test if-1.10 {TclCompileIfCmd: error in "then" body} -body { + set a {} + list [catch {if {$a!="xxx"} then {set}} msg] $msg $::errorInfo +} -match glob -cleanup { + unset a msg +} -result {1 {wrong # args: should be "set varName ?newValue?"} {wrong # args: should be "set varName ?newValue?" + while *ing +"set"*}} +test if-1.11 {TclCompileIfCmd: error in "then" body} -body { + if 2 then {[error "error in then clause"]} +} -returnCodes error -result {error in then clause} +test if-1.12 {TclCompileIfCmd: "then" body in quotes} -body { + set a {} + if 27>17 "append a x" + return $a +} -cleanup { + unset a +} -result {x} +test if-1.13 {TclCompileIfCmd: computed "then" body} -setup { + catch {unset x1} + catch {unset x2} +} -body { + set x1 {append a x1} + set x2 {; append a x2} + set a {} + if 1 $x1$x2 + return $a +} -cleanup { + unset a x1 x2 +} -result {x1x2} +test if-1.14 {TclCompileIfCmd: taking proper branch} -body { + set a {} + if 1<2 {set a 1} + return $a +} -cleanup { + unset a +} -result 1 +test if-1.15 {TclCompileIfCmd: taking proper branch} -body { + set a {} + if 1>2 {set a 1} + return $a +} -cleanup { + unset a +} -result {} +test if-1.16 {TclCompileIfCmd: test jumpFalse instruction replacement after long "then" body} -setup { + catch {unset i} + set a {} +} -body { + if 1<2 { + set a 1 + while {$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 + } + return $a +} -cleanup { + unset a + unset -nocomplain i +} -result 3 +test if-1.17 {TclCompileIfCmd: if/elseif test in quotes} -setup { + set a {} +} -body { + if {"0 < 3"} {set a 1} +} -returnCodes error -cleanup { + unset a +} -result {expected boolean value but got "0 < 3"} + +test if-2.1 {TclCompileIfCmd: "elseif" after if/elseif test} -setup { + set a {} +} -body { + if 3>4 {set a 1} elseif 1 {set a 2} + return $a +} -cleanup { + unset a +} -result {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"} -setup { + set a {} +} -body { + if 1<2 {set a 1} elwood {set a 2} +} -returnCodes error -cleanup { + unset a +} -result {wrong # args: extra words after "else" clause in "if" command} +test if-2.3 {TclCompileIfCmd: missing expression after "elseif"} -setup { + set a {} +} -body { + if 1<2 {set a 1} elseif +} -returnCodes error -cleanup { + unset a +} -result {wrong # args: no expression after "elseif" argument} +test if-2.4 {TclCompileIfCmd: error in expression after "elseif"} -setup { + set a {} +} -body { + list [catch {if 3>4 {set a 1} elseif {1>}} msg] $msg $::errorInfo +} -match glob -cleanup { + unset a msg +} -result {1 * {*"if 3>4 {set a 1} elseif {1>}"}} +test if-2.5 {TclCompileIfCmd: test jumpFalse instruction replacement after long "elseif" body} -setup { + catch {unset i} + set a {} +} -body { + if 1>2 { + set a 1 + while {$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 + } + return $a +} -cleanup { + unset a + unset -nocomplain i +} -result 6 + +test if-3.1 {TclCompileIfCmd: "else" clause} -body { + set a {} + if 3>4 {set a 1} elseif {$a == "foo"} {set a 2} else {set a 3} + return $a +} -cleanup { + unset a +} -result 3 +# Since "else" is optional, the "elsex" below is treated as a command. +# But then there shouldn't be any additional argument words for the "if". +test if-3.2 {TclCompileIfCmd: keyword other than "else"} -setup { + set a {} +} -body { + if 1<2 then {set a 1} elsex {set a 2} +} -returnCodes error -cleanup { + unset a +} -result {wrong # args: extra words after "else" clause in "if" command} +test if-3.3 {TclCompileIfCmd: missing body after "else"} -setup { + set a {} +} -body { + if 2<1 {set a 1} else +} -returnCodes error -cleanup { + unset a +} -result {wrong # args: no script following "else" argument} +test if-3.4 {TclCompileIfCmd: error compiling body after "else"} -setup { + set a {} +} -body { + catch {if 2<1 {set a 1} else {set}} + set ::errorInfo +} -match glob -cleanup { + unset a +} -result {wrong # args: should be "set varName ?newValue?" + while *ing +"set"*} +test if-3.5 {TclCompileIfCmd: extra arguments after "else" argument} -setup { + set a {} +} -body { + if 2<1 {set a 1} else {set a 2} or something +} -returnCodes error -cleanup { + unset a +} -result {wrong # args: extra words after "else" clause in "if" command} +# The following test also checks whether contained loops and other +# commands are properly relocated because a short jump must be replaced +# by a "long distance" one. +test if-3.6 {TclCompileIfCmd: test jumpFalse instruction replacement after long "else" clause} -setup { + catch {unset i} + set a {} +} -body { + if 1>2 { + set a 1 + while {$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 + } + return $a +} -cleanup { + unset a + unset -nocomplain i +} -result 9 + +test if-4.1 {TclCompileIfCmd: "if" command result} -setup { + set a {} +} -body { + set a [if 3<4 {set i 27}] + return $a +} -cleanup { + unset a + unset -nocomplain i +} -result 27 +test if-4.2 {TclCompileIfCmd: "if" command result} -setup { + set a {} +} -body { + set a [if 3>4 {set i 27}] + return $a +} -cleanup { + unset a + unset -nocomplain i +} -result {} +test if-4.3 {TclCompileIfCmd: "if" command result} -setup { + set a {} +} -body { + set a [if 0 {set i 1} elseif 1 {set i 2}] + return $a +} -cleanup { + unset a + unset -nocomplain i +} -result 2 +test if-4.4 {TclCompileIfCmd: "if" command result} -setup { + set a {} +} -body { + set a [if 0 {set i 1} elseif 0 {set i 2} elseif 2>5 {set i 3} else {set i 4}] + return $a +} -cleanup { + unset a i +} -result 4 +test if-4.5 {TclCompileIfCmd: return value} -body { + if 0 then {set a 22; concat abc} elseif 1 {concat def} {concat ghi} +} -cleanup { + unset -nocomplain a +} -result def + +# Check "if" and computed command names. + +test if-5.1 {if cmd with computed command names: missing if/elseif test} -body { + set z if + $z +} -returnCodes error -cleanup { + unset z +} -result {wrong # args: no expression after "if" argument} +test if-5.2 {if cmd with computed command names: error in if/elseif test} -body { + set z if + $z {[error "error in condition"]} foo +} -returnCodes error -cleanup { + unset z +} -result {error in condition} +test if-5.3 {if cmd with computed command names: error in if/elseif test} -body { + set z if + list [catch {$z {1+}}] $::errorInfo +} -match glob -cleanup { + unset z +} -result {1 {*"$z {1+}"}} +test if-5.4 {if cmd with computed command names: if/elseif test in braces} -setup { + set a {} +} -body { + set z if + $z {1<2} {set a 1} + return $a +} -cleanup { + unset a z +} -result {1} +test if-5.5 {if cmd with computed command names: if/elseif test not in braces} -setup { + set a {} +} -body { + set z if + $z 1<2 {set a 1} + return $a +} -cleanup { + unset a z +} -result {1} +test if-5.6 {if cmd with computed command names: multiline test expr} -body { + set z if + $z {($tcl_platform(platform) != "foobar1") && \ + ($tcl_platform(platform) != "foobar2")} {set a 3} else {set a 4} + return $a +} -cleanup { + unset a z +} -result 3 +test if-5.7 {if cmd with computed command names: "then" after if/elseif test} -setup { + set a {} +} -body { + set z if + $z 4>3 then {set a 1} + return $a +} -cleanup { + unset a z +} -result {1} +test if-5.8 {if cmd with computed command names: keyword other than "then" after if/elseif test} -setup { + set a {} +} -body { + set z if + $z 1<2 therefore {set a 1} +} -returnCodes error -cleanup { + unset a z +} -result {invalid command name "therefore"} +test if-5.9 {if cmd with computed command names: missing "then" body} -setup { + set a {} +} -body { + set z if + $z 1<2 then +} -returnCodes error -cleanup { + unset a z +} -result {wrong # args: no script following "then" argument} +test if-5.10 {if cmd with computed command names: error in "then" body} -body { + set z if + set a {} + list [catch {$z {$a!="xxx"} then {set}} msg] $msg $::errorInfo +} -match glob -cleanup { + unset a z msg +} -result {1 {wrong # args: should be "set varName ?newValue?"} {wrong # args: should be "set varName ?newValue?" + while *ing +"set" + invoked from within +"$z {$a!="xxx"} then {set}"}} +test if-5.11 {if cmd with computed command names: error in "then" body} -body { + set z if + $z 2 then {[error "error in then clause"]} +} -returnCodes error -cleanup { + unset z +} -result {error in then clause} +test if-5.12 {if cmd with computed command names: "then" body in quotes} -setup { + set a {} +} -body { + set z if + $z 27>17 "append a x" + return $a +} -cleanup { + unset a z +} -result {x} +test if-5.13 {if cmd with computed command names: computed "then" body} -setup { + catch {unset x1} + catch {unset x2} +} -body { + set z if + set x1 {append a x1} + set x2 {; append a x2} + set a {} + $z 1 $x1$x2 + return $a +} -cleanup { + unset a z x1 x2 +} -result {x1x2} +test if-5.14 {if cmd with computed command names: taking proper branch} -setup { + set a {} +} -body { + set z if + $z 1<2 {set a 1} + return $a +} -cleanup { + unset a z +} -result 1 +test if-5.15 {if cmd with computed command names: taking proper branch} -body { + set a {} + set z if + $z 1>2 {set a 1} + return $a +} -cleanup { + unset a z +} -result {} +test if-5.16 {if cmd with computed command names: test jumpFalse instruction replacement after long "then" body} -setup { + catch {unset i} + set a {} +} -body { + set z if + $z 1<2 { + set a 1 + while {$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 + } + return $a +} -cleanup { + unset a z + unset -nocomplain i +} -result 3 +test if-5.17 {if cmd with computed command names: if/elseif test in quotes} -setup { + set a {} +} -body { + set z if + $z {"0 < 3"} {set a 1} +} -returnCodes error -cleanup { + unset a z +} -result {expected boolean value but got "0 < 3"} + +test if-6.1 {if cmd with computed command names: "elseif" after if/elseif test} -setup { + set a {} +} -body { + set z if + $z 3>4 {set a 1} elseif 1 {set a 2} + return $a +} -cleanup { + unset a z +} -result {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"} -setup { + set a {} +} -body { + set z if + $z 1<2 {set a 1} elwood {set a 2} +} -returnCodes error -cleanup { + unset a z +} -result {wrong # args: extra words after "else" clause in "if" command} +test if-6.3 {if cmd with computed command names: missing expression after "elseif"} -setup { + set a {} +} -body { + set z if + $z 1<2 {set a 1} elseif +} -returnCodes error -cleanup { + unset a z +} -result {wrong # args: no expression after "elseif" argument} +test if-6.4 {if cmd with computed command names: error in expression after "elseif"} -setup { + set a {} +} -body { + set z if + list [catch {$z 3>4 {set a 1} elseif {1>}}] $::errorInfo +} -match glob -cleanup { + unset a z +} -result {1 {*"$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} -setup { + catch {unset i} + set a {} +} -body { + set z if + $z 1>2 { + set a 1 + while {$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 + } + return $a +} -cleanup { + unset a z + unset -nocomplain i +} -result 6 + +test if-7.1 {if cmd with computed command names: "else" clause} -setup { + set a {} +} -body { + set z if + $z 3>4 {set a 1} elseif {$a == "foo"} {set a 2} else {set a 3} + return $a +} -cleanup { + unset a z +} -result 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"} -setup { + set a {} +} -body { + set z if + $z 1<2 then {set a 1} elsex {set a 2} +} -returnCodes error -cleanup { + unset a z +} -result {wrong # args: extra words after "else" clause in "if" command} +test if-7.3 {if cmd with computed command names: missing body after "else"} -setup { + set a {} +} -body { + set z if + $z 2<1 {set a 1} else +} -returnCodes error -cleanup { + unset a z +} -result {wrong # args: no script following "else" argument} +test if-7.4 {if cmd with computed command names: error compiling body after "else"} -setup { + set a {} +} -body { + set z if + catch {$z 2<1 {set a 1} else {set}} + return $::errorInfo +} -match glob -cleanup { + unset a z +} -result {wrong # args: should be "set varName ?newValue?" + while *ing +"set" + invoked from within +"$z 2<1 {set a 1} else {set}"} +test if-7.5 {if cmd with computed command names: extra arguments after "else" argument} -setup { + set a {} +} -body { + set z if + $z 2<1 {set a 1} else {set a 2} or something +} -returnCodes error -cleanup { + unset a z +} -result {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} -setup { + catch {unset i} + set a {} +} -body { + set z if + $z 1>2 { + set a 1 + while {$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 + } + return $a +} -cleanup { + unset a z + unset -nocomplain i +} -result 9 + +test if-8.1 {if cmd with computed command names: "if" command result} -setup { + set a {} +} -body { + set z if + set a [$z 3<4 {set i 27}] + return $a +} -cleanup { + unset a z + unset -nocomplain i +} -result 27 +test if-8.2 {if cmd with computed command names: "if" command result} -setup { + set a {} +} -body { + set z if + set a [$z 3>4 {set i 27}] + return $a +} -cleanup { + unset a z + unset -nocomplain i +} -result {} +test if-8.3 {if cmd with computed command names: "if" command result} -setup { + set a {} +} -body { + set z if + set a [$z 0 {set i 1} elseif 1 {set i 2}] + return $a +} -cleanup { + unset a z + unset -nocomplain i +} -result 2 +test if-8.4 {if cmd with computed command names: "if" command result} -setup { + set a {} +} -body { + set z if + set a [$z 0 {set i 1} elseif 0 {set i 2} elseif 2>5 {set i 3} else {set i 4}] + return $a +} -cleanup { + unset a z + unset -nocomplain i +} -result 4 +test if-8.5 {if cmd with computed command names: return value} -body { + set z if + $z 0 then {set a 22; concat abc} elseif 1 {concat def} {concat ghi} +} -cleanup { + unset z + unset -nocomplain a +} -result def + +test if-9.1 {if cmd with namespace qualifiers} -body { + ::if {1} {set x 4} +} -cleanup { + unset x +} -result 4 + +# Test for incorrect "double evaluation semantics" + +test if-10.1 {delayed substitution of then body} -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] +} -cleanup { + unset j if result + rename p {} +} -result {00} +test if-10.2 {delayed substitution of elseif expression} -body { + 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] +} -cleanup { + unset j if result + rename p {} +} -result {00} +test if-10.3 {delayed substitution of elseif body} -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] +} -cleanup { + unset j if result + rename p {} +} -result {00} +test if-10.4 {delayed substitution of else body} -body { + set j 0 + if {[incr j] == 0} { + set result badthen + } else " + set result $j + " + return $result +} -cleanup { + unset j result +} -result {0} +test if-10.5 {substituted control words} -body { + 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 +} -cleanup { + unset then else elseif a +} -result {0 ok} +test if-10.6 {double invocation of variable traces} -body { + 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 +} -cleanup { + unset iftracevar iftracecounter a b +} -match glob -result {1 {*} 0 {}} + +# cleanup +::tcltest::cleanupTests +return + +# Local Variables: +# mode: tcl +# fill-column: 78 +# End: |