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Diffstat (limited to 'tcl/tests/if.test')
| -rw-r--r-- | tcl/tests/if.test | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/tcl/tests/if.test b/tcl/tests/if.test new file mode 100644 index 00000000000..71c5110c850 --- /dev/null +++ b/tcl/tests/if.test @@ -0,0 +1,505 @@ +# 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. +# +# RCS: @(#) $Id$ + +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 |