# Commands covered: expr # # 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) 1996-1997 Sun Microsystems, Inc. # Copyright (c) 1998-2000 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: expr.test,v 1.17.2.2 2004/09/18 19:17:13 dkf Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest namespace import -force ::tcltest::* } testConstraint registeredMathFuncs [expr { ([catch {expr T1()} msg] != 1) || ($msg ne {unknown math function "T1"}) }] # procedures used below proc put_hello_char {c} { global a append a [format %c $c] return $c } proc hello_world {} { global a set a "" set L1 [set l0 [set h_1 [set q 0]]] for {put_hello_char [expr [put_hello_char [expr [set h 7]*10+2]]+29]} {$l0?[put_hello_char $l0] :!$h_1} {put_hello_char $ll;expr {$L1==2?[set ll [expr 32+0-0+[set bar 0]]]:0}} {expr {[incr L1]==[expr 1+([string length "abc"]-[string length "abc"])] ?[set ll [set l0 [expr 54<<1]]]:$ll==108&&$L1<3? [incr ll [expr 1|1<<1]; set ll $ll; set ll $ll; set ll $ll; set ll $ll; set l0 [expr ([string length "abc"]-[string length "abc"])+([string length "abc"]-[string length "abc"])-([string length "abc"]-[string length "abc"])+([string length "abc"]-[string length "abc"])]; set l0; set l0 $l0; set l0; set l0]:$L1==4&&$ll==32?[set ll [expr 19+$h1+([string length "abc"]-[string length "abc"])-([string length "abc"]-[string length "abc"])+([string length "abc"]-[string length "abc"])-([string length "abc"]-[string length "abc"])+[set foo [expr ([string length "abc"]-[string length "abc"])+([string length "abc"]-[string length "abc"])+([string length "abc"]-[string length "abc"])]]]] :[set q [expr $q-$h1+([string length "abc"]-[string length "abc"])-([string length "abc"]-[string length "abc"])]]};expr {$L1==5?[incr ll -8; set ll $ll; set ll]:$q&&$h1&&1};expr {$L1==4+2 ?[incr ll 3]:[expr ([string length "abc"]-[string length "abc"])+1]};expr {$ll==($h<<4)+2+0&&$L1!=6?[incr ll -6]:[set h1 [expr 100+([string length "abc"]-[string length "abc"])-([string length "abc"]-[string length "abc"])]]} expr {$L1!=1<<3?[incr q [expr ([string length "abc"]-[string length "abc"])-1]]:[set h_1 [set ll $h1]]} } set a } proc 12days {a b c} { global xxx expr {1<$a?[expr {$a<3?[12days -79 -13 [string range $c [12days -87 \ [expr 1-$b] [string range $c [12days -86 0 [string range $c 1 end]] \ end]] end]]:1};expr {$a<$b?[12days [expr $a+1] $b $c]:3};expr {[12days \ -94 [expr $a-27] $c]&&$a==2?$b<13?[12days 2 [expr $b+1] "%s %d %d\n"]:9 :16}]:$a<0?$a<-72?[12days $b $a "@n'+,#'/*\{\}w+/w#cdnr/+,\{\}r/*de\}+,/*\{*+,/w\{%+,/w#q#n+,/#\{l+,/n\{n+,/+#n+,/#;#q#n+,/+k#;*+,/'r :'d*'3,\}\{w+K w'K:'+\}e#';dq#'l q#'+d'K#!/+k#;q#'r\}eKK#\}w'r\}eKK\{nl\]'/#;#q#n')\{)#\}w')\{)\{nl\]'/+#n';d\}rw' i;# )\{nl\]!/n\{n#'; r\{#w'r nc\{nl\]'/#\{l,+'K \{rw' iK\{;\[\{nl\]'/w#q#n'wk nw' iwk\{KK\{nl\]!/w\{%'l##w#' i; :\{nl\]'/*\{q#'ld;r'\}\{nlwb!/*de\}'c ;;\{nl'-\{\}rw\]'/+,\}##'*\}#nc,',#nw\]'/+kd'+e\}+;#'rdq#w! nr'/ ') \}+\}\{rl#'\{n' ')# \}'+\}##(!!/"] :$a<-50?[string compare [format %c $b] [string index $c 0]]==0?[append \ xxx [string index $c 31];scan [string index $c 31] %c x;set x] :[12days -65 $b [string range $c 1 end]]:[12days [expr ([string compare \ [string index $c 0] "/"]==0)+$a] $b [string range $c 1 end]]:0<$a ?[12days 2 2 "%s"]:[string compare [string index $c 0] "/"]==0|| [12days 0 [12days -61 [scan [string index $c 0] %c x; set x] \ "!ek;dc i@bK'(q)-\[w\]*%n+r3#l,\{\}:\nuwloca-O;m .vpbks,fxntdCeghiry"] \ [string range $c 1 end]]} } proc do_twelve_days {} { global xxx set xxx "" 12days 1 1 1 string length $xxx } # start of tests catch {unset a b i x} test expr-1.1 {TclCompileExprCmd: no expression} { list [catch {expr } msg] $msg } {1 {wrong # args: should be "expr arg ?arg ...?"}} test expr-1.2 {TclCompileExprCmd: one expression word} { expr -25 } -25 test expr-1.3 {TclCompileExprCmd: two expression words} { expr -8.2 -6 } -14.2 test expr-1.4 {TclCompileExprCmd: five expression words} { expr 20 - 5 +10 -7 } 18 test expr-1.5 {TclCompileExprCmd: quoted expression word} { expr "0005" } 5 test expr-1.6 {TclCompileExprCmd: quoted expression word} { catch {expr "0005"zxy} msg set msg } {extra characters after close-quote} test expr-1.7 {TclCompileExprCmd: expression word in braces} { expr {-0005} } -5 test expr-1.8 {TclCompileExprCmd: expression word in braces} { expr {{-0x1234}} } -4660 test expr-1.9 {TclCompileExprCmd: expression word in braces} { catch {expr {-0005}foo} msg set msg } {extra characters after close-brace} test expr-1.10 {TclCompileExprCmd: other expression word in braces} { expr 4*[llength "6 2"] } 8 test expr-1.11 {TclCompileExprCmd: expression word terminated by ;} { expr 4*[llength "6 2"]; } 8 test expr-1.12 {TclCompileExprCmd: inlined expr (in "catch") inside other catch} { set a xxx catch { # Might not be a number set a [expr 10*$a] } } 1 test expr-1.13 {TclCompileExprCmd: second level of substitutions in expr not in braces with single var reference} { set a xxx set x 27; set bool {$x}; if $bool {set a foo} set a } foo test expr-1.14 {TclCompileExprCmd: second level of substitutions in expr with comparison as top-level operator} { set a xxx set x 2; set b {$x}; set a [expr $b == 2] set a } 1 test expr-1.15 {TclCompileExprCmd: second level of substitutions in expr with comparison as top-level operator} { set a xxx set x 2; set b {$x}; set a [expr $b eq 2] set a } 1 test expr-2.1 {TclCompileExpr: are builtin functions registered?} { expr double(5*[llength "6 2"]) } 10.0 test expr-2.2 {TclCompileExpr: error in expr} { catch {expr 2**3} msg set msg } {syntax error in expression "2**3": unexpected operator *} test expr-2.3 {TclCompileExpr: junk after legal expr} { catch {expr 7*[llength "a b"]foo} msg set msg } {syntax error in expression "7*2foo": extra tokens at end of expression} test expr-2.4 {TclCompileExpr: numeric expr string rep == formatted int rep} { expr {0001} } 1 test expr-3.1 {CompileCondExpr: just lor expr} {expr 3||0} 1 test expr-3.2 {CompileCondExpr: error in lor expr} { catch {expr x||3} msg set msg } {syntax error in expression "x||3": variable references require preceding $} test expr-3.3 {CompileCondExpr: test true arm} {expr 3>2?44:66} 44 test expr-3.4 {CompileCondExpr: error compiling true arm} { catch {expr 3>2?2**3:66} msg set msg } {syntax error in expression "3>2?2**3:66": unexpected operator *} test expr-3.5 {CompileCondExpr: test false arm} {expr 2>3?44:66} 66 test expr-3.6 {CompileCondExpr: error compiling false arm} { catch {expr 2>3?44:2**3} msg set msg } {syntax error in expression "2>3?44:2**3": unexpected operator *} test expr-3.7 {CompileCondExpr: long arms & nested cond exprs} {unixOnly nonPortable} { puts "Note: doing test expr-3.7 which can take several minutes to run" hello_world } {Hello world} catch {unset xxx} test expr-3.8 {CompileCondExpr: long arms & nested cond exprs} {unixOnly nonPortable} { puts "Note: doing test expr-3.8 which can take several minutes to run" do_twelve_days } 2358 catch {unset xxx} test expr-4.1 {CompileLorExpr: just land expr} {expr 1.3&&3.3} 1 test expr-4.2 {CompileLorExpr: error in land expr} { catch {expr x&&3} msg set msg } {syntax error in expression "x&&3": variable references require preceding $} test expr-4.3 {CompileLorExpr: simple lor exprs} {expr 0||1.0} 1 test expr-4.4 {CompileLorExpr: simple lor exprs} {expr 3.0||0.0} 1 test expr-4.5 {CompileLorExpr: simple lor exprs} {expr 0||0||1} 1 test expr-4.6 {CompileLorExpr: error compiling lor arm} { catch {expr 2**3||4.0} msg set msg } {syntax error in expression "2**3||4.0": unexpected operator *} test expr-4.7 {CompileLorExpr: error compiling lor arm} { catch {expr 1.3||2**3} msg set msg } {syntax error in expression "1.3||2**3": unexpected operator *} test expr-4.8 {CompileLorExpr: error compiling lor arms} { list [catch {expr {"a"||"b"}} msg] $msg } {1 {expected boolean value but got "a"}} test expr-4.9 {CompileLorExpr: long lor arm} { set a "abcdefghijkl" set i 7 expr {[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]] || [string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]] || [string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]] || [string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]} } 1 test expr-5.1 {CompileLandExpr: just bitor expr} {expr 7|0x13} 23 test expr-5.2 {CompileLandExpr: error in bitor expr} { catch {expr x|3} msg set msg } {syntax error in expression "x|3": variable references require preceding $} test expr-5.3 {CompileLandExpr: simple land exprs} {expr 0&&1.0} 0 test expr-5.4 {CompileLandExpr: simple land exprs} {expr 0&&0} 0 test expr-5.5 {CompileLandExpr: simple land exprs} {expr 3.0&&1.2} 1 test expr-5.6 {CompileLandExpr: simple land exprs} {expr 1&&1&&2} 1 test expr-5.7 {CompileLandExpr: error compiling land arm} { catch {expr 2**3&&4.0} msg set msg } {syntax error in expression "2**3&&4.0": unexpected operator *} test expr-5.8 {CompileLandExpr: error compiling land arm} { catch {expr 1.3&&2**3} msg set msg } {syntax error in expression "1.3&&2**3": unexpected operator *} test expr-5.9 {CompileLandExpr: error compiling land arm} { list [catch {expr {"a"&&"b"}} msg] $msg } {1 {expected boolean value but got "a"}} test expr-5.10 {CompileLandExpr: long land arms} { set a "abcdefghijkl" set i 7 expr {[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]] && [string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]] && [string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]] && [string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]^[string compare [format %c 103] [string index $a $i]]^[string compare [format %c 105] [string index $a $i]]} } 1 test expr-6.1 {CompileBitXorExpr: just bitand expr} {expr 7&0x13} 3 test expr-6.2 {CompileBitXorExpr: error in bitand expr} { catch {expr x|3} msg set msg } {syntax error in expression "x|3": variable references require preceding $} test expr-6.3 {CompileBitXorExpr: simple bitxor exprs} {expr 7^0x13} 20 test expr-6.4 {CompileBitXorExpr: simple bitxor exprs} {expr 3^0x10} 19 test expr-6.5 {CompileBitXorExpr: simple bitxor exprs} {expr 0^7} 7 test expr-6.6 {CompileBitXorExpr: simple bitxor exprs} {expr -1^7} -8 test expr-6.7 {CompileBitXorExpr: error compiling bitxor arm} { catch {expr 2**3|6} msg set msg } {syntax error in expression "2**3|6": unexpected operator *} test expr-6.8 {CompileBitXorExpr: error compiling bitxor arm} { catch {expr 2^x} msg set msg } {syntax error in expression "2^x": variable references require preceding $} test expr-6.9 {CompileBitXorExpr: runtime error in bitxor arm} { list [catch {expr {24.0^3}} msg] $msg } {1 {can't use floating-point value as operand of "^"}} test expr-6.10 {CompileBitXorExpr: runtime error in bitxor arm} { list [catch {expr {"a"^"b"}} msg] $msg } {1 {can't use non-numeric string as operand of "^"}} test expr-7.1 {CompileBitAndExpr: just equality expr} {expr 3==2} 0 test expr-7.2 {CompileBitAndExpr: just equality expr} {expr 2.0==2} 1 test expr-7.3 {CompileBitAndExpr: just equality expr} {expr 3.2!=2.2} 1 test expr-7.4 {CompileBitAndExpr: just equality expr} {expr {"abc" == "abd"}} 0 test expr-7.5 {CompileBitAndExpr: error in equality expr} { catch {expr x==3} msg set msg } {syntax error in expression "x==3": variable references require preceding $} test expr-7.6 {CompileBitAndExpr: simple bitand exprs} {expr 7&0x13} 3 test expr-7.7 {CompileBitAndExpr: simple bitand exprs} {expr 0xf2&0x53} 82 test expr-7.8 {CompileBitAndExpr: simple bitand exprs} {expr 3&6} 2 test expr-7.9 {CompileBitAndExpr: simple bitand exprs} {expr -1&-7} -7 test expr-7.10 {CompileBitAndExpr: error compiling bitand arm} { catch {expr 2**3&6} msg set msg } {syntax error in expression "2**3&6": unexpected operator *} test expr-7.11 {CompileBitAndExpr: error compiling bitand arm} { catch {expr 2&x} msg set msg } {syntax error in expression "2&x": variable references require preceding $} test expr-7.12 {CompileBitAndExpr: runtime error in bitand arm} { list [catch {expr {24.0&3}} msg] $msg } {1 {can't use floating-point value as operand of "&"}} test expr-7.13 {CompileBitAndExpr: runtime error in bitand arm} { list [catch {expr {"a"&"b"}} msg] $msg } {1 {can't use non-numeric string as operand of "&"}} test expr-7.14 {CompileBitAndExpr: equality expr} {expr 3eq2} 0 test expr-7.18 {CompileBitAndExpr: equality expr} {expr {"abc" eq "abd"}} 0 test expr-7.20 {CompileBitAndExpr: error in equality expr} { catch {expr xne3} msg set msg } {syntax error in expression "xne3": variable references require preceding $} test expr-8.1 {CompileEqualityExpr: just relational expr} {expr 3>=2} 1 test expr-8.2 {CompileEqualityExpr: just relational expr} {expr 2<=2.1} 1 test expr-8.3 {CompileEqualityExpr: just relational expr} {expr 3.2>"2.2"} 1 test expr-8.4 {CompileEqualityExpr: just relational expr} {expr {"0y"<"0x12"}} 0 test expr-8.5 {CompileEqualityExpr: error in relational expr} { catch {expr x>3} msg set msg } {syntax error in expression "x>3": variable references require preceding $} test expr-8.6 {CompileEqualityExpr: simple equality exprs} {expr 7==0x13} 0 test expr-8.7 {CompileEqualityExpr: simple equality exprs} {expr -0xf2!=0x53} 1 test expr-8.8 {CompileEqualityExpr: simple equality exprs} {expr {"12398712938788234-1298379" != ""}} 1 test expr-8.9 {CompileEqualityExpr: simple equality exprs} {expr -1!="abc"} 1 test expr-8.10 {CompileEqualityExpr: error compiling equality arm} { catch {expr 2**3==6} msg set msg } {syntax error in expression "2**3==6": unexpected operator *} test expr-8.11 {CompileEqualityExpr: error compiling equality arm} { catch {expr 2!=x} msg set msg } {syntax error in expression "2!=x": variable references require preceding $} test expr-8.12 {CompileBitAndExpr: equality expr} {expr {"a"eq"a"}} 1 test expr-8.13 {CompileBitAndExpr: equality expr} {expr {"\374" eq "ü"}} 1 test expr-8.14 {CompileBitAndExpr: equality expr} {expr 3eq2} 0 test expr-8.15 {CompileBitAndExpr: equality expr} {expr 2.0eq2} 0 test expr-8.16 {CompileBitAndExpr: equality expr} {expr 3.2ne2.2} 1 test expr-8.17 {CompileBitAndExpr: equality expr} {expr 01eq1} 0 test expr-8.18 {CompileBitAndExpr: equality expr} {expr {"abc" eq "abd"}} 0 test expr-8.19 {CompileBitAndExpr: equality expr} {expr {"abc" ne "abd"}} 1 test expr-8.20 {CompileBitAndExpr: error in equality expr} { catch {expr x ne3} msg set msg } {syntax error in expression "x ne3": variable references require preceding $} test expr-8.21 {CompileBitAndExpr: error in equality expr} { # These should be ""ed to avoid the error catch {expr a eq b} msg set msg } {syntax error in expression "a eq b": variable references require preceding $} test expr-9.1 {CompileRelationalExpr: just shift expr} {expr 3<<2} 12 test expr-9.2 {CompileRelationalExpr: just shift expr} {expr 0xff>>2} 63 test expr-9.3 {CompileRelationalExpr: just shift expr} {expr -1>>2} -1 test expr-9.4 {CompileRelationalExpr: just shift expr} {expr {1<<3}} 8 # The following test is different for 32-bit versus 64-bit # architectures because LONG_MIN is different if {0x80000000 > 0} { test expr-9.5 {CompileRelationalExpr: shift expr producing LONG_MIN} {nonPortable} { expr {1<<63} } -9223372036854775808 } else { test expr-9.5 {CompileRelationalExpr: shift expr producing LONG_MIN} {nonPortable} { expr {1<<31} } -2147483648 } test expr-9.6 {CompileRelationalExpr: error in shift expr} { catch {expr x>>3} msg set msg } {syntax error in expression "x>>3": variable references require preceding $} test expr-9.7 {CompileRelationalExpr: simple relational exprs} {expr 0xff>=+0x3} 1 test expr-9.8 {CompileRelationalExpr: simple relational exprs} {expr -0xf2<0x3} 1 test expr-9.9 {CompileRelationalExpr: error compiling relational arm} { catch {expr 2**3>6} msg set msg } {syntax error in expression "2**3>6": unexpected operator *} test expr-9.10 {CompileRelationalExpr: error compiling relational arm} { catch {expr 2>0x3} 31 test expr-10.7 {CompileShiftExpr: simple shift exprs} {expr -0xf2<<0x3} -1936 test expr-10.8 {CompileShiftExpr: error compiling shift arm} { catch {expr 2**3>>6} msg set msg } {syntax error in expression "2**3>>6": unexpected operator *} test expr-10.9 {CompileShiftExpr: error compiling shift arm} { catch {expr 2<>43}} msg] $msg } {1 {can't use floating-point value as operand of ">>"}} test expr-10.11 {CompileShiftExpr: runtime error} { list [catch {expr {"a"<<"b"}} msg] $msg } {1 {can't use non-numeric string as operand of "<<"}} test expr-11.1 {CompileAddExpr: just multiply expr} {expr 4*-2} -8 test expr-11.2 {CompileAddExpr: just multiply expr} {expr 0xff%2} 1 test expr-11.3 {CompileAddExpr: just multiply expr} {expr -1/2} -1 test expr-11.4 {CompileAddExpr: just multiply expr} {expr 7891%0123} 6 test expr-11.5 {CompileAddExpr: error in multiply expr} { catch {expr x*3} msg set msg } {syntax error in expression "x*3": variable references require preceding $} test expr-11.6 {CompileAddExpr: simple add exprs} {expr 0xff++0x3} 258 test expr-11.7 {CompileAddExpr: simple add exprs} {expr -0xf2--0x3} -239 test expr-11.8 {CompileAddExpr: error compiling add arm} { catch {expr 2**3+6} msg set msg } {syntax error in expression "2**3+6": unexpected operator *} test expr-11.9 {CompileAddExpr: error compiling add arm} { catch {expr 2-x} msg set msg } {syntax error in expression "2-x": variable references require preceding $} test expr-11.10 {CompileAddExpr: runtime error} { list [catch {expr {24.0+"xx"}} msg] $msg } {1 {can't use non-numeric string as operand of "+"}} test expr-11.11 {CompileAddExpr: runtime error} { list [catch {expr {"a"-"b"}} msg] $msg } {1 {can't use non-numeric string as operand of "-"}} test expr-11.12 {CompileAddExpr: runtime error} { list [catch {expr {3/0}} msg] $msg } {1 {divide by zero}} test expr-11.13 {CompileAddExpr: runtime error} { list [catch {expr {2.3/0.0}} msg] $msg } {1 {divide by zero}} test expr-12.1 {CompileMultiplyExpr: just unary expr} {expr ~4} -5 test expr-12.2 {CompileMultiplyExpr: just unary expr} {expr --5} 5 test expr-12.3 {CompileMultiplyExpr: just unary expr} {expr !27} 0 test expr-12.4 {CompileMultiplyExpr: just unary expr} {expr ~0xff00ff} -16711936 test expr-12.5 {CompileMultiplyExpr: error in unary expr} { catch {expr ~x} msg set msg } {syntax error in expression "~x": variable references require preceding $} test expr-12.6 {CompileMultiplyExpr: simple multiply exprs} {expr 0xff*0x3} 765 test expr-12.7 {CompileMultiplyExpr: simple multiply exprs} {expr -0xf2%-0x3} -2 test expr-12.8 {CompileMultiplyExpr: error compiling multiply arm} { catch {expr 2*3%%6} msg set msg } {syntax error in expression "2*3%%6": unexpected operator %} test expr-12.9 {CompileMultiplyExpr: error compiling multiply arm} { catch {expr 2*x} msg set msg } {syntax error in expression "2*x": variable references require preceding $} test expr-12.10 {CompileMultiplyExpr: runtime error} { list [catch {expr {24.0*"xx"}} msg] $msg } {1 {can't use non-numeric string as operand of "*"}} test expr-12.11 {CompileMultiplyExpr: runtime error} { list [catch {expr {"a"/"b"}} msg] $msg } {1 {can't use non-numeric string as operand of "/"}} test expr-13.1 {CompileUnaryExpr: unary exprs} {expr -0xff} -255 test expr-13.2 {CompileUnaryExpr: unary exprs} {expr +000123} 83 test expr-13.3 {CompileUnaryExpr: unary exprs} {expr +--++36} 36 test expr-13.4 {CompileUnaryExpr: unary exprs} {expr !2} 0 test expr-13.5 {CompileUnaryExpr: unary exprs} {expr +--+-62.0} -62.0 test expr-13.6 {CompileUnaryExpr: unary exprs} {expr !0.0} 1 test expr-13.7 {CompileUnaryExpr: unary exprs} {expr !0xef} 0 test expr-13.8 {CompileUnaryExpr: error compiling unary expr} { catch {expr ~x} msg set msg } {syntax error in expression "~x": variable references require preceding $} test expr-13.9 {CompileUnaryExpr: error compiling unary expr} { catch {expr !1.x} msg set msg } {syntax error in expression "!1.x": extra tokens at end of expression} test expr-13.10 {CompileUnaryExpr: runtime error} { list [catch {expr {~"xx"}} msg] $msg } {1 {can't use non-numeric string as operand of "~"}} test expr-13.11 {CompileUnaryExpr: runtime error} { list [catch {expr ~4.0} msg] $msg } {1 {can't use floating-point value as operand of "~"}} test expr-13.12 {CompileUnaryExpr: just primary expr} {expr 0x123} 291 test expr-13.13 {CompileUnaryExpr: just primary expr} { set a 27 expr $a } 27 test expr-13.14 {CompileUnaryExpr: just primary expr} { expr double(27) } 27.0 test expr-13.15 {CompileUnaryExpr: just primary expr} {expr "123"} 123 test expr-13.16 {CompileUnaryExpr: error in primary expr} { catch {expr [set]} msg set msg } {wrong # args: should be "set varName ?newValue?"} test expr-13.17 {CompileUnaryExpr: negating non-numeric boolean literals} { set a1 yes; set a0 no; set b1 true; set b0 false list [expr {!$a1}] [expr {!$a0}] [expr {!$b1}] [expr {!$b0}] } {0 1 0 1} test expr-14.1 {CompilePrimaryExpr: literal primary} {expr 1} 1 test expr-14.2 {CompilePrimaryExpr: literal primary} {expr 123} 123 test expr-14.3 {CompilePrimaryExpr: literal primary} {expr 0xff} 255 test expr-14.4 {CompilePrimaryExpr: literal primary} {expr 00010} 8 test expr-14.5 {CompilePrimaryExpr: literal primary} {expr 62.0} 62.0 test expr-14.6 {CompilePrimaryExpr: literal primary} { expr 3.1400000 } 3.14 test expr-14.7 {CompilePrimaryExpr: literal primary} {expr {{abcde}<{abcdef}}} 1 test expr-14.8 {CompilePrimaryExpr: literal primary} {expr {{abc\ def} < {abcdef}}} 1 test expr-14.9 {CompilePrimaryExpr: literal primary} {expr {{abc\tde} > {abc\tdef}}} 0 test expr-14.10 {CompilePrimaryExpr: literal primary} {expr {{123}}} 123 test expr-14.11 {CompilePrimaryExpr: var reference primary} { set i 789 list [expr {$i}] [expr $i] } {789 789} test expr-14.12 {CompilePrimaryExpr: var reference primary} { set i {789} ;# test expr's aggressive conversion to numeric semantics list [expr {$i}] [expr $i] } {789 789} test expr-14.13 {CompilePrimaryExpr: var reference primary} { catch {unset a} set a(foo) foo set a(bar) bar set a(123) 123 set result "" lappend result [expr $a(123)] [expr {$a(bar)<$a(foo)}] catch {unset a} set result } {123 1} test expr-14.14 {CompilePrimaryExpr: var reference primary} { set i 123 ;# test "$var.0" floating point conversion hack list [expr $i] [expr $i.0] [expr $i.0/12.0] } {123 123.0 10.25} test expr-14.15 {CompilePrimaryExpr: var reference primary} { set i 123 catch {expr $i.2} msg set msg } 123.2 test expr-14.16 {CompilePrimaryExpr: error compiling var reference primary} { catch {expr {$a(foo}} msg set errorInfo } {missing ) while compiling "expr {$a(foo}"} test expr-14.17 {CompilePrimaryExpr: string primary that looks like var ref} { expr $ } $ test expr-14.18 {CompilePrimaryExpr: quoted string primary} { expr "21" } 21 test expr-14.19 {CompilePrimaryExpr: quoted string primary} { set i 123 set x 456 expr "$i+$x" } 579 test expr-14.20 {CompilePrimaryExpr: quoted string primary} { set i 3 set x 6 expr 2+"$i.$x" } 5.6 test expr-14.21 {CompilePrimaryExpr: error in quoted string primary} { catch {expr "[set]"} msg set msg } {wrong # args: should be "set varName ?newValue?"} test expr-14.22 {CompilePrimaryExpr: subcommand primary} { expr {[set i 123; set i]} } 123 test expr-14.23 {CompilePrimaryExpr: error in subcommand primary} { catch {expr {[set]}} msg set errorInfo } {wrong # args: should be "set varName ?newValue?" while compiling "set" while compiling "expr {[set]}"} test expr-14.24 {CompilePrimaryExpr: error in subcommand primary} { catch {expr {[set i}} msg set errorInfo } {missing close-bracket while compiling "expr {[set i}"} test expr-14.25 {CompilePrimaryExpr: math function primary} { format %.6g [expr exp(1.0)] } 2.71828 test expr-14.26 {CompilePrimaryExpr: math function primary} { format %.6g [expr pow(2.0+0.1,3.0+0.1)] } 9.97424 test expr-14.27 {CompilePrimaryExpr: error in math function primary} { catch {expr sinh::(2.0)} msg set errorInfo } {syntax error in expression "sinh::(2.0)": expected parenthesis enclosing function arguments while compiling "expr sinh::(2.0)"} test expr-14.28 {CompilePrimaryExpr: subexpression primary} { expr 2+(3*4) } 14 test expr-14.29 {CompilePrimaryExpr: error in subexpression primary} { catch {expr 2+(3*[set])} msg set errorInfo } {wrong # args: should be "set varName ?newValue?" while compiling "set" while compiling "expr 2+(3*[set])"} test expr-14.30 {CompilePrimaryExpr: missing paren in subexpression primary} { catch {expr 2+(3*(4+5)} msg set errorInfo } {syntax error in expression "2+(3*(4+5)": looking for close parenthesis while compiling "expr 2+(3*(4+5)"} test expr-14.31 {CompilePrimaryExpr: just var ref in subexpression primary} { set i "5+10" list "[expr $i] == 15" "[expr ($i)] == 15" "[eval expr ($i)] == 15" } {{15 == 15} {15 == 15} {15 == 15}} test expr-14.32 {CompilePrimaryExpr: unexpected token} { catch {expr @} msg set errorInfo } {syntax error in expression "@": character not legal in expressions while compiling "expr @"} test expr-15.1 {CompileMathFuncCall: missing parenthesis} { catch {expr sinh2.0)} msg set errorInfo } {syntax error in expression "sinh2.0)": variable references require preceding $ while compiling "expr sinh2.0)"} test expr-15.2 {CompileMathFuncCall: unknown math function} { catch {expr whazzathuh(1)} msg set errorInfo } {unknown math function "whazzathuh" while compiling "expr whazzathuh(1)"} test expr-15.3 {CompileMathFuncCall: too many arguments} { catch {expr sin(1,2,3)} msg set errorInfo } {too many arguments for math function while compiling "expr sin(1,2,3)"} test expr-15.4 {CompileMathFuncCall: ')' found before last required arg} { catch {expr sin()} msg set errorInfo } {too few arguments for math function while compiling "expr sin()"} test expr-15.5 {CompileMathFuncCall: too few arguments} { catch {expr pow(1)} msg set errorInfo } {too few arguments for math function while compiling "expr pow(1)"} test expr-15.6 {CompileMathFuncCall: missing ')'} { catch {expr sin(1} msg set errorInfo } {syntax error in expression "sin(1": missing close parenthesis at end of function call while compiling "expr sin(1"} test expr-15.7 {CompileMathFuncCall: call registered math function} {registeredMathFuncs} { expr 2*T1() } 246 test expr-15.8 {CompileMathFuncCall: call registered math function} {registeredMathFuncs} { expr T2()*3 } 1035 test expr-15.9 {CompileMathFuncCall: call registered math function} {registeredMathFuncs} { expr T3(21, 37) } 37 test expr-15.10 {CompileMathFuncCall: call registered math function} {registeredMathFuncs} { expr T3(21.2, 37) } 37.0 test expr-15.11 {CompileMathFuncCall: call registered math function} {registeredMathFuncs} { expr T3(-21.2, -17.5) } -17.5 test expr-15.12 {ExprCallMathFunc: call registered math function} {registeredMathFuncs} { expr T3(21, wide(37)) } 37 test expr=15.13 {ExprCallMathFunc: call registered math function} {registeredMathFuncs} { expr T3(wide(21), 37) } 37 test expr=15.14 {ExprCallMathFunc: call registered math function} {registeredMathFuncs} { expr T3(wide(21), wide(37)) } 37 test expr-15.15 {ExprCallMathFunc: call registered math function} {registeredMathFuncs} { expr T3(21.0, wide(37)) } 37.0 test expr=15.16 {ExprCallMathFunc: call registered math function} {registeredMathFuncs} { expr T3(wide(21), 37.0) } 37.0 test expr-16.1 {GetToken: checks whether integer token starting with "0x" (e.g., "0x$") is invalid} { catch {unset a} set a(VALUE) ff15 set i 123 if {[expr 0x$a(VALUE)] & 16} { set i {} } set i } {} test expr-16.2 {GetToken: check for string literal in braces} { expr {{1}} } {1} # Check "expr" and computed command names. test expr-17.1 {expr and computed command names} { set i 0 set z expr $z 1+2 } 3 # Check correct conversion of operands to numbers: If the string looks like # an integer, convert to integer. Otherwise, if the string looks like a # double, convert to double. test expr-18.1 {expr and conversion of operands to numbers} { set x [lindex 11 0] catch {expr int($x)} expr {$x} } 11 test expr-18.2 {whitespace strings should not be == 0 (buggy strtod)} { expr {" "} } { } # Check "expr" and interpreter result object resetting before appending # an error msg during evaluation of exprs not in {}s test expr-19.1 {expr and interpreter result object resetting} { proc p {} { set t 10.0 set x 2.0 set dx 0.2 set f {$dx-$x/10} set g {-$x/5} set center 1.0 set x [expr $x-$center] set dx [expr $dx+$g] set x [expr $x+$f+$center] set x [expr $x+$f+$center] set y [expr round($x)] } p } 3 # Test for incorrect "double evaluation" semantics test expr-20.1 {wrong brace matching} { catch {unset l} catch {unset r} catch {unset q} catch {unset cmd} catch {unset a} set l "\{"; set r "\}"; set q "\"" set cmd "expr $l$q|$q == $q$r$q$r" list [catch $cmd a] $a } {1 {extra characters after close-brace}} test expr-20.2 {double invocation of variable traces} { set exprtracecounter 0 proc exprtraceproc {args} { upvar #0 exprtracecounter 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 $extraargs]" } } trace variable exprtracevar r [list exprtraceproc 10] list [catch {expr "$exprtracevar + 20"} a] $a \ [catch {expr "$exprtracevar + 20"} b] $b \ [unset exprtracevar exprtracecounter] } {1 {syntax error in expression "1 oops 10 + 20": extra tokens at end of expression} 0 32 {}} test expr-20.3 {broken substitution of integer digits} { # fails with 8.0.x, but not 8.1b2 list [set a 000; expr 0x1$a] [set a 1; expr ${a}000] } {4096 1000} test expr-20.4 {proper double evaluation compilation, error case} { catch {unset a}; # make sure $a doesn't exist list [catch {expr 1?{$a}:0} msg] $msg } {1 {can't read "a": no such variable}} test expr-20.5 {proper double evaluation compilation, working case} { set a yellow expr 1?{$a}:0 } yellow test expr-20.6 {handling of compile error in trial compile} { list [catch {expr + {[incr]}} msg] $msg } {1 {wrong # args: should be "incr varName ?increment?"}} test expr-20.7 {handling of compile error in runtime case} { list [catch {expr + {[error foo]}} msg] $msg } {1 foo} # Test for non-numeric boolean literal handling test expr-21.1 {non-numeric boolean literals} {expr false } false test expr-21.2 {non-numeric boolean literals} {expr true } true test expr-21.3 {non-numeric boolean literals} {expr off } off test expr-21.4 {non-numeric boolean literals} {expr on } on test expr-21.5 {non-numeric boolean literals} {expr no } no test expr-21.6 {non-numeric boolean literals} {expr yes } yes test expr-21.7 {non-numeric boolean literals} {expr !false} 1 test expr-21.8 {non-numeric boolean literals} {expr !true } 0 test expr-21.9 {non-numeric boolean literals} {expr !off } 1 test expr-21.10 {non-numeric boolean literals} {expr !on } 0 test expr-21.11 {non-numeric boolean literals} {expr !no } 1 test expr-21.12 {non-numeric boolean literals} {expr !yes } 0 # Test for non-numeric float handling. # # These are non-portable because strtod()-support for "Inf" and "NaN" # is so wildly variable. This sucks... test expr-22.1 {non-numeric floats} nonPortable { list [catch {expr {NaN + 1}} msg] $msg } {1 {can't use non-numeric floating-point value as operand of "+"}} test expr-22.2 {non-numeric floats} nonPortable { list [catch {expr {Inf + 1}} msg] $msg } {1 {can't use infinite floating-point value as operand of "+"}} test expr-22.3 {non-numeric floats} nonPortable { set nan NaN list [catch {expr {$nan + 1}} msg] $msg } {1 {can't use non-numeric floating-point value as operand of "+"}} test expr-22.4 {non-numeric floats} nonPortable { set inf Inf list [catch {expr {$inf + 1}} msg] $msg } {1 {can't use infinite floating-point value as operand of "+"}} test expr-22.5 {non-numeric floats} nonPortable { list [catch {expr NaN} msg] $msg } {1 {domain error: argument not in valid range}} test expr-22.6 {non-numeric floats} nonPortable { list [catch {expr Inf} msg] $msg } {1 {floating-point value too large to represent}} test expr-22.7 {non-numeric floats} nonPortable { list [catch {expr {1 / NaN}} msg] $msg } {1 {can't use non-numeric floating-point value as operand of "/"}} test expr-22.8 {non-numeric floats} nonPortable { list [catch {expr {1 / Inf}} msg] $msg } {1 {can't use infinite floating-point value as operand of "/"}} # Some compilers get this wrong; ensure that we work around it correctly test expr-24.1 {expr edge cases; shifting} {expr int(5)>>31} 0 test expr-24.2 {expr edge cases; shifting} {expr int(5)>>63} 0 test expr-24.3 {expr edge cases; shifting} {expr wide(5)>>31} 0 test expr-24.4 {expr edge cases; shifting} {expr wide(5)>>63} 0 test expr-24.5 {expr edge cases; shifting} nonPortable {expr int(5)<<31} 0 test expr-24.6 {expr edge cases; shifting} {expr int(5)<<63} 0 test expr-24.7 {expr edge cases; shifting} {expr wide(5)<<31} 10737418240 test expr-24.8 {expr edge cases; shifting} nonPortable {expr wide(5)<<63} -9223372036854775808 test expr-24.9 {expr edge cases; shifting} {expr 5>>32} 0 # cleanup if {[info exists a]} { unset a } ::tcltest::cleanupTests return