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1 578 markom 
# Commands covered: expr
2 
#
3 
# This file contains a collection of tests for one or more of the Tcl
4 
# built-in commands. Sourcing this file into Tcl runs the tests and
5 
# generates output for errors.  No output means no errors were found.
6 
#
7 
# Copyright (c) 1996-1997 Sun Microsystems, Inc.
8 
#
9 
# See the file "license.terms" for information on usage and redistribution
10 
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
11 
#
12 
# RCS: @(#) $Id: expr.test,v 1.1.1.1 2002-01-16 10:25:35 markom Exp $
13 
 
14 
if {[string compare test [info procs test]] == 1} then {source defs}
15 
 
16 
if {([catch {expr T1()} msg] == 1) && ($msg == {unknown math function "T1"})} {
17 
    set gotT1 0
18 
    puts "This application hasn't been compiled with the \"T1\" and"
19 
    puts "\"T2\" math functions, so I'll skip some of the expr tests."
20 
} else {
21 
    set gotT1 1
22 
}
23 
 
24 
# procedures used below
25 
 
26 
proc put_hello_char {c} {
27 
    global a
28 
    append a [format %c $c]
29 
    return $c
30 
}
31 
proc hello_world {} {
32 
    global a
33 
    set a ""
34 
    set L1 [set l0 [set h_1 [set q 0]]]
35 
    for {put_hello_char [expr [put_hello_char [expr [set h 7]*10+2]]+29]} {$l0?[put_hello_char $l0]
36 
        :!$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"])]
37 
        ?[set ll [set l0 [expr 54<<1]]]:$ll==108&&$L1<3?
38 
        [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"])]]]]
39 
        :[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
40 
        ?[incr ll 3]:[expr ([string length "abc"]-[string length "abc"])+1]};expr {$ll==($h<<4)+2+0&&$L1!=6?[incr ll -6]:[set h1 [expr 100+([string length "abc"]-[string length "abc"])-([string length "abc"]-[string length "abc"])]]}
41 
        expr {$L1!=1<<3?[incr q [expr ([string length "abc"]-[string length "abc"])-1]]:[set h_1 [set ll $h1]]}
42 
    }
43 
    set a
44 
}
45 
 
46 
proc 12days {a b c} {
47 
    global xxx
48 
    expr {1<$a?[expr {$a<3?[12days -79 -13 [string range $c [12days -87 \
49 
        [expr 1-$b] [string range $c [12days -86 0 [string range $c 1 end]] \
50 
        end]] end]]:1};expr {$a<$b?[12days [expr $a+1] $b $c]:3};expr {[12days \
51 
        -94 [expr $a-27] $c]&&$a==2?$b<13?[12days 2 [expr $b+1] "%s %d %d\n"]:9
52 
        :16}]:$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' ')# \}'+\}##(!!/"]
53 
        :$a<-50?[string compare [format %c $b] [string index $c 0]]==0?[append \
54 
        xxx [string index $c 31];scan [string index $c 31] %c x;set x]
55 
        :[12days -65 $b [string range $c 1 end]]:[12days [expr ([string compare \
56 
        [string index $c 0] "/"]==0)+$a] $b [string range $c 1 end]]:0<$a
57 
        ?[12days 2 2 "%s"]:[string compare [string index $c 0] "/"]==0||
58 
        [12days 0 [12days -61 [scan [string index $c 0] %c x; set x] \
59 
        "!ek;dc i@bK'(q)-\[w\]*%n+r3#l,\{\}:\nuwloca-O;m .vpbks,fxntdCeghiry"] \
60 
        [string range $c 1 end]]}
61 
}
62 
proc do_twelve_days {} {
63 
    global xxx
64 
    set xxx ""
65 
    12days 1 1 1
66 
    string length $xxx
67 
}
68 
 
69 
# start of tests
70 
 
71 
catch {unset a b i x}
72 
 
73 
test expr-1.1 {TclCompileExprCmd: no expression} {
74 
    list [catch {expr  } msg] $msg
75 
} {1 {wrong # args: should be "expr arg ?arg ...?"}}
76 
test expr-1.2 {TclCompileExprCmd: one expression word} {
77 
    expr -25
78 
} -25
79 
test expr-1.3 {TclCompileExprCmd: two expression words} {
80 
    expr -8.2   -6
81 
} -14.2
82 
test expr-1.4 {TclCompileExprCmd: five expression words} {
83 
    expr 20 - 5 +10 -7
84 
} 18
85 
test expr-1.5 {TclCompileExprCmd: quoted expression word} {
86 
    expr "0005"
87 
} 5
88 
test expr-1.6 {TclCompileExprCmd: quoted expression word} {
89 
    catch {expr "0005"zxy} msg
90 
    set msg
91 
} {quoted string doesn't terminate properly}
92 
test expr-1.7 {TclCompileExprCmd: expression word in braces} {
93 
    expr {-0005}
94 
} -5
95 
test expr-1.8 {TclCompileExprCmd: expression word in braces} {
96 
    expr {{-0x1234}}
97 
} -4660
98 
test expr-1.9 {TclCompileExprCmd: expression word in braces} {
99 
    catch {expr {-0005}foo} msg
100 
    set msg
101 
} {argument word in braces doesn't terminate properly}
102 
test expr-1.10 {TclCompileExprCmd: other expression word in braces} {
103 
    expr 4*[llength "6 2"]
104 
} 8
105 
test expr-1.11 {TclCompileExprCmd: expression word terminated by ;} {
106 
    expr 4*[llength "6 2"];
107 
} 8
108 
test expr-1.12 {TclCompileExprCmd: inlined expr (in "catch") inside other catch} {
109 
    set a xxx
110 
    catch {
111 
        # Might not be a number
112 
        set a [expr 10*$a]
113 
    }
114 
} 1
115 
test expr-1.13 {TclCompileExprCmd: second level of substitutions in expr not in braces with single var reference} {
116 
    set a xxx
117 
    set x 27;  set bool {$x};  if $bool {set a foo}
118 
    set a
119 
} foo
120 
test expr-1.14 {TclCompileExprCmd: second level of substitutions in expr with comparison as top-level operator} {
121 
    set a xxx
122 
    set x 2;  set b {$x};  set a [expr $b == 2]
123 
    set a
124 
} 1
125 
 
126 
test expr-2.1 {TclCompileExpr: are builtin functions registered?} {
127 
    expr double(5*[llength "6 2"])
128 
} 10.0
129 
test expr-2.2 {TclCompileExpr: error in expr} {
130 
    catch {expr 2**3} msg
131 
    set msg
132 
} {syntax error in expression "2**3"}
133 
test expr-2.3 {TclCompileExpr: junk after legal expr} {
134 
    catch {expr 7*[llength "a b"]foo} msg
135 
    set msg
136 
} {syntax error in expression "7*2foo"}
137 
test expr-2.4 {TclCompileExpr: numeric expr string rep == formatted int rep} {
138 
    expr {0001}
139 
} 1
140 
 
141 
test expr-3.1 {CompileCondExpr: just lor expr} {expr 3||0} 1
142 
test expr-3.2 {CompileCondExpr: error in lor expr} {
143 
    catch {expr x||3} msg
144 
    set msg
145 
} {syntax error in expression "x||3"}
146 
test expr-3.3 {CompileCondExpr: test true arm} {expr 3>2?44:66} 44
147 
test expr-3.4 {CompileCondExpr: error compiling true arm} {
148 
    catch {expr 3>2?2**3:66} msg
149 
    set msg
150 
} {syntax error in expression "3>2?2**3:66"}
151 
test expr-3.5 {CompileCondExpr: test false arm} {expr 2>3?44:66} 66
152 
test expr-3.6 {CompileCondExpr: error compiling false arm} {
153 
    catch {expr 2>3?44:2**3} msg
154 
    set msg
155 
} {syntax error in expression "2>3?44:2**3"}
156 
test expr-3.7 {CompileCondExpr: long arms & nested cond exprs} {unixOnly nonPortable} {
157 
    puts "Note: doing test expr-3.7 which can take several minutes to run"
158 
    hello_world
159 
} {Hello world}
160 
catch {unset xxx}
161 
test expr-3.8 {CompileCondExpr: long arms & nested cond exprs} {unixOnly nonPortable} {
162 
    puts "Note: doing test expr-3.8 which can take several minutes to run"
163 
    do_twelve_days
164 
} 2358
165 
catch {unset xxx}
166 
 
167 
test expr-4.1 {CompileLorExpr: just land expr} {expr 1.3&&3.3} 1
168 
test expr-4.2 {CompileLorExpr: error in land expr} {
169 
    catch {expr x&&3} msg
170 
    set msg
171 
} {syntax error in expression "x&&3"}
172 
test expr-4.3 {CompileLorExpr: simple lor exprs} {expr 0||1.0} 1
173 
test expr-4.4 {CompileLorExpr: simple lor exprs} {expr 3.0||0.0} 1
174 
test expr-4.5 {CompileLorExpr: simple lor exprs} {expr 0||0||1} 1
175 
test expr-4.6 {CompileLorExpr: error compiling lor arm} {
176 
    catch {expr 2**3||4.0} msg
177 
    set msg
178 
} {syntax error in expression "2**3||4.0"}
179 
test expr-4.7 {CompileLorExpr: error compiling lor arm} {
180 
    catch {expr 1.3||2**3} msg
181 
    set msg
182 
} {syntax error in expression "1.3||2**3"}
183 
test expr-4.8 {CompileLorExpr: error compiling lor arms} {
184 
    list [catch {expr {"a"||"b"}} msg] $msg
185 
} {1 {expected boolean value but got "a"}}
186 
test expr-4.9 {CompileLorExpr: long lor arm} {
187 
    set a "abcdefghijkl"
188 
    set i 7
189 
    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]]}
190 
} 1
191 
 
192 
test expr-5.1 {CompileLandExpr: just bitor expr} {expr 7|0x13} 23
193 
test expr-5.2 {CompileLandExpr: error in bitor expr} {
194 
    catch {expr x|3} msg
195 
    set msg
196 
} {syntax error in expression "x|3"}
197 
test expr-5.3 {CompileLandExpr: simple land exprs} {expr 0&&1.0} 0
198 
test expr-5.4 {CompileLandExpr: simple land exprs} {expr 0&&0} 0
199 
test expr-5.5 {CompileLandExpr: simple land exprs} {expr 3.0&&1.2} 1
200 
test expr-5.6 {CompileLandExpr: simple land exprs} {expr 1&&1&&2} 1
201 
test expr-5.7 {CompileLandExpr: error compiling land arm} {
202 
    catch {expr 2**3&&4.0} msg
203 
    set msg
204 
} {syntax error in expression "2**3&&4.0"}
205 
test expr-5.8 {CompileLandExpr: error compiling land arm} {
206 
    catch {expr 1.3&&2**3} msg
207 
    set msg
208 
} {syntax error in expression "1.3&&2**3"}
209 
test expr-5.9 {CompileLandExpr: error compiling land arm} {
210 
    list [catch {expr {"a"&&"b"}} msg] $msg
211 
} {1 {expected boolean value but got "a"}}
212 
test expr-5.10 {CompileLandExpr: long land arms} {
213 
    set a "abcdefghijkl"
214 
    set i 7
215 
    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]]}
216 
} 1
217 
 
218 
test expr-6.1 {CompileBitXorExpr: just bitand expr} {expr 7&0x13} 3
219 
test expr-6.2 {CompileBitXorExpr: error in bitand expr} {
220 
    catch {expr x|3} msg
221 
    set msg
222 
} {syntax error in expression "x|3"}
223 
test expr-6.3 {CompileBitXorExpr: simple bitxor exprs} {expr 7^0x13} 20
224 
test expr-6.4 {CompileBitXorExpr: simple bitxor exprs} {expr 3^0x10} 19
225 
test expr-6.5 {CompileBitXorExpr: simple bitxor exprs} {expr 0^7} 7
226 
test expr-6.6 {CompileBitXorExpr: simple bitxor exprs} {expr -1^7} -8
227 
test expr-6.7 {CompileBitXorExpr: error compiling bitxor arm} {
228 
    catch {expr 2**3|6} msg
229 
    set msg
230 
} {syntax error in expression "2**3|6"}
231 
test expr-6.8 {CompileBitXorExpr: error compiling bitxor arm} {
232 
    catch {expr 2^x} msg
233 
    set msg
234 
} {syntax error in expression "2^x"}
235 
test expr-6.9 {CompileBitXorExpr: runtime error in bitxor arm} {
236 
    list [catch {expr {24.0^3}} msg] $msg
237 
} {1 {can't use floating-point value as operand of "^"}}
238 
test expr-6.10 {CompileBitXorExpr: runtime error in bitxor arm} {
239 
    list [catch {expr {"a"^"b"}} msg] $msg
240 
} {1 {can't use non-numeric string as operand of "^"}}
241 
 
242 
test expr-7.1 {CompileBitAndExpr: just equality expr} {expr 3==2} 0
243 
test expr-7.2 {CompileBitAndExpr: just equality expr} {expr 2.0==2} 1
244 
test expr-7.3 {CompileBitAndExpr: just equality expr} {expr 3.2!=2.2} 1
245 
test expr-7.4 {CompileBitAndExpr: just equality expr} {expr {"abc" == "abd"}} 0
246 
test expr-7.5 {CompileBitAndExpr: error in equality expr} {
247 
    catch {expr x==3} msg
248 
    set msg
249 
} {syntax error in expression "x==3"}
250 
test expr-7.6 {CompileBitAndExpr: simple bitand exprs} {expr 7&0x13} 3
251 
test expr-7.7 {CompileBitAndExpr: simple bitand exprs} {expr 0xf2&0x53} 82
252 
test expr-7.8 {CompileBitAndExpr: simple bitand exprs} {expr 3&6} 2
253 
test expr-7.9 {CompileBitAndExpr: simple bitand exprs} {expr -1&-7} -7
254 
test expr-7.10 {CompileBitAndExpr: error compiling bitand arm} {
255 
    catch {expr 2**3&6} msg
256 
    set msg
257 
} {syntax error in expression "2**3&6"}
258 
test expr-7.11 {CompileBitAndExpr: error compiling bitand arm} {
259 
    catch {expr 2&x} msg
260 
    set msg
261 
} {syntax error in expression "2&x"}
262 
test expr-7.12 {CompileBitAndExpr: runtime error in bitand arm} {
263 
    list [catch {expr {24.0&3}} msg] $msg
264 
} {1 {can't use floating-point value as operand of "&"}}
265 
test expr-7.13 {CompileBitAndExpr: runtime error in bitand arm} {
266 
    list [catch {expr {"a"&"b"}} msg] $msg
267 
} {1 {can't use non-numeric string as operand of "&"}}
268 
 
269 
test expr-8.1 {CompileEqualityExpr: just relational expr} {expr 3>=2} 1
270 
test expr-8.2 {CompileEqualityExpr: just relational expr} {expr 2<=2.1} 1
271 
test expr-8.3 {CompileEqualityExpr: just relational expr} {expr 3.2>"2.2"} 1
272 
test expr-8.4 {CompileEqualityExpr: just relational expr} {expr {"0y"<"0x12"}} 0
273 
test expr-8.5 {CompileEqualityExpr: error in relational expr} {
274 
    catch {expr x>3} msg
275 
    set msg
276 
} {syntax error in expression "x>3"}
277 
test expr-8.6 {CompileEqualityExpr: simple equality exprs} {expr 7==0x13} 0
278 
test expr-8.7 {CompileEqualityExpr: simple equality exprs} {expr -0xf2!=0x53} 1
279 
test expr-8.8 {CompileEqualityExpr: simple equality exprs} {expr {"12398712938788234-1298379" != ""}} 1
280 
test expr-8.9 {CompileEqualityExpr: simple equality exprs} {expr -1!="abc"} 1
281 
test expr-8.10 {CompileEqualityExpr: error compiling equality arm} {
282 
    catch {expr 2**3==6} msg
283 
    set msg
284 
} {syntax error in expression "2**3==6"}
285 
test expr-8.11 {CompileEqualityExpr: error compiling equality arm} {
286 
    catch {expr 2!=x} msg
287 
    set msg
288 
} {syntax error in expression "2!=x"}
289 
 
290 
 
291 
test expr-9.1 {CompileRelationalExpr: just shift expr} {expr 3<<2} 12
292 
test expr-9.2 {CompileRelationalExpr: just shift expr} {expr 0xff>>2} 63
293 
test expr-9.3 {CompileRelationalExpr: just shift expr} {expr -1>>2} -1
294 
test expr-9.4 {CompileRelationalExpr: just shift expr} {expr {1<<3}} 8
295 
 
296 
# The following test is different for 32-bit versus 64-bit
297 
# architectures because LONG_MIN is different
298 
 
299 
if {0x80000000 > 0} {
300 
    test expr-9.5 {CompileRelationalExpr: shift expr producing LONG_MIN} {nonPortable} {
301 
        expr {1<<63}
302 
    } -9223372036854775808
303 
} else {
304 
    test expr-9.5 {CompileRelationalExpr: shift expr producing LONG_MIN} {nonPortable} {
305 
        expr {1<<31}
306 
    } -2147483648
307 
}
308 
test expr-9.6 {CompileRelationalExpr: error in shift expr} {
309 
    catch {expr x>>3} msg
310 
    set msg
311 
} {syntax error in expression "x>>3"}
312 
test expr-9.7 {CompileRelationalExpr: simple relational exprs} {expr 0xff>=+0x3} 1
313 
test expr-9.8 {CompileRelationalExpr: simple relational exprs} {expr -0xf2<0x3} 1
314 
test expr-9.9 {CompileRelationalExpr: error compiling relational arm} {
315 
    catch {expr 2**3>6} msg
316 
    set msg
317 
} {syntax error in expression "2**3>6"}
318 
test expr-9.10 {CompileRelationalExpr: error compiling relational arm} {
319 
    catch {expr 2
320 
    set msg
321 
} {syntax error in expression "2
322 
 
323 
test expr-10.1 {CompileShiftExpr: just add expr} {expr 4+-2} 2
324 
test expr-10.2 {CompileShiftExpr: just add expr} {expr 0xff-2} 253
325 
test expr-10.3 {CompileShiftExpr: just add expr} {expr -1--2} 1
326 
test expr-10.4 {CompileShiftExpr: just add expr} {expr 1-0123} -82
327 
test expr-10.5 {CompileShiftExpr: error in add expr} {
328 
    catch {expr x+3} msg
329 
    set msg
330 
} {syntax error in expression "x+3"}
331 
test expr-10.6 {CompileShiftExpr: simple shift exprs} {expr 0xff>>0x3} 31
332 
test expr-10.7 {CompileShiftExpr: simple shift exprs} {expr -0xf2<<0x3} -1936
333 
test expr-10.8 {CompileShiftExpr: error compiling shift arm} {
334 
    catch {expr 2**3>>6} msg
335 
    set msg
336 
} {syntax error in expression "2**3>>6"}
337 
test expr-10.9 {CompileShiftExpr: error compiling shift arm} {
338 
    catch {expr 2<
339 
    set msg
340 
} {syntax error in expression "2<
341 
test expr-10.10 {CompileShiftExpr: runtime error} {
342 
    list [catch {expr {24.0>>43}} msg] $msg
343 
} {1 {can't use floating-point value as operand of ">>"}}
344 
test expr-10.11 {CompileShiftExpr: runtime error} {
345 
    list [catch {expr {"a"<<"b"}} msg] $msg
346 
} {1 {can't use non-numeric string as operand of "<<"}}
347 
 
348 
test expr-11.1 {CompileAddExpr: just multiply expr} {expr 4*-2} -8
349 
test expr-11.2 {CompileAddExpr: just multiply expr} {expr 0xff%2} 1
350 
test expr-11.3 {CompileAddExpr: just multiply expr} {expr -1/2} -1
351 
test expr-11.4 {CompileAddExpr: just multiply expr} {expr 7891%0123} 6
352 
test expr-11.5 {CompileAddExpr: error in multiply expr} {
353 
    catch {expr x*3} msg
354 
    set msg
355 
} {syntax error in expression "x*3"}
356 
test expr-11.6 {CompileAddExpr: simple add exprs} {expr 0xff++0x3} 258
357 
test expr-11.7 {CompileAddExpr: simple add exprs} {expr -0xf2--0x3} -239
358 
test expr-11.8 {CompileAddExpr: error compiling add arm} {
359 
    catch {expr 2**3+6} msg
360 
    set msg
361 
} {syntax error in expression "2**3+6"}
362 
test expr-11.9 {CompileAddExpr: error compiling add arm} {
363 
    catch {expr 2-x} msg
364 
    set msg
365 
} {syntax error in expression "2-x"}
366 
test expr-11.10 {CompileAddExpr: runtime error} {
367 
    list [catch {expr {24.0+"xx"}} msg] $msg
368 
} {1 {can't use non-numeric string as operand of "+"}}
369 
test expr-11.11 {CompileAddExpr: runtime error} {
370 
    list [catch {expr {"a"-"b"}} msg] $msg
371 
} {1 {can't use non-numeric string as operand of "-"}}
372 
test expr-11.12 {CompileAddExpr: runtime error} {
373 
    list [catch {expr {3/0}} msg] $msg
374 
} {1 {divide by zero}}
375 
test expr-11.13 {CompileAddExpr: runtime error} {
376 
    list [catch {expr {2.3/0.0}} msg] $msg
377 
} {1 {divide by zero}}
378 
 
379 
test expr-12.1 {CompileMultiplyExpr: just unary expr} {expr ~4} -5
380 
test expr-12.2 {CompileMultiplyExpr: just unary expr} {expr --5} 5
381 
test expr-12.3 {CompileMultiplyExpr: just unary expr} {expr !27} 0
382 
test expr-12.4 {CompileMultiplyExpr: just unary expr} {expr ~0xff00ff} -16711936
383 
test expr-12.5 {CompileMultiplyExpr: error in unary expr} {
384 
    catch {expr ~x} msg
385 
    set msg
386 
} {syntax error in expression "~x"}
387 
test expr-12.6 {CompileMultiplyExpr: simple multiply exprs} {expr 0xff*0x3} 765
388 
test expr-12.7 {CompileMultiplyExpr: simple multiply exprs} {expr -0xf2%-0x3} -2
389 
test expr-12.8 {CompileMultiplyExpr: error compiling multiply arm} {
390 
    catch {expr 2*3%%6} msg
391 
    set msg
392 
} {syntax error in expression "2*3%%6"}
393 
test expr-12.9 {CompileMultiplyExpr: error compiling multiply arm} {
394 
    catch {expr 2*x} msg
395 
    set msg
396 
} {syntax error in expression "2*x"}
397 
test expr-12.10 {CompileMultiplyExpr: runtime error} {
398 
    list [catch {expr {24.0*"xx"}} msg] $msg
399 
} {1 {can't use non-numeric string as operand of "*"}}
400 
test expr-12.11 {CompileMultiplyExpr: runtime error} {
401 
    list [catch {expr {"a"/"b"}} msg] $msg
402 
} {1 {can't use non-numeric string as operand of "/"}}
403 
 
404 
test expr-13.1 {CompileUnaryExpr: unary exprs} {expr -0xff} -255
405 
test expr-13.2 {CompileUnaryExpr: unary exprs} {expr +000123} 83
406 
test expr-13.3 {CompileUnaryExpr: unary exprs} {expr +--++36} 36
407 
test expr-13.4 {CompileUnaryExpr: unary exprs} {expr !2} 0
408 
test expr-13.5 {CompileUnaryExpr: unary exprs} {expr +--+-62.0} -62.0
409 
test expr-13.6 {CompileUnaryExpr: unary exprs} {expr !0.0} 1
410 
test expr-13.7 {CompileUnaryExpr: unary exprs} {expr !0xef} 0
411 
test expr-13.8 {CompileUnaryExpr: error compiling unary expr} {
412 
    catch {expr ~x} msg
413 
    set msg
414 
} {syntax error in expression "~x"}
415 
test expr-13.9 {CompileUnaryExpr: error compiling unary expr} {
416 
    catch {expr !1.x} msg
417 
    set msg
418 
} {syntax error in expression "!1.x"}
419 
test expr-13.10 {CompileUnaryExpr: runtime error} {
420 
    list [catch {expr {~"xx"}} msg] $msg
421 
} {1 {can't use non-numeric string as operand of "~"}}
422 
test expr-13.11 {CompileUnaryExpr: runtime error} {
423 
    list [catch {expr ~4.0} msg] $msg
424 
} {1 {can't use floating-point value as operand of "~"}}
425 
test expr-13.12 {CompileUnaryExpr: just primary expr} {expr 0x123} 291
426 
test expr-13.13 {CompileUnaryExpr: just primary expr} {
427 
    set a 27
428 
    expr $a
429 
} 27
430 
test expr-13.14 {CompileUnaryExpr: just primary expr} {
431 
    expr double(27)
432 
} 27.0
433 
test expr-13.15 {CompileUnaryExpr: just primary expr} {expr "123"} 123
434 
test expr-13.16 {CompileUnaryExpr: error in primary expr} {
435 
    catch {expr [set]} msg
436 
    set msg
437 
} {wrong # args: should be "set varName ?newValue?"}
438 
test expr-14.1 {CompilePrimaryExpr: literal primary} {expr 1} 1
439 
test expr-14.2 {CompilePrimaryExpr: literal primary} {expr 123} 123
440 
test expr-14.3 {CompilePrimaryExpr: literal primary} {expr 0xff} 255
441 
test expr-14.4 {CompilePrimaryExpr: literal primary} {expr 00010} 8
442 
test expr-14.5 {CompilePrimaryExpr: literal primary} {expr 62.0} 62.0
443 
test expr-14.6 {CompilePrimaryExpr: literal primary} {
444 
    expr 3.1400000
445 
} 3.14
446 
test expr-14.7 {CompilePrimaryExpr: literal primary} {expr {{abcde}<{abcdef}}} 1
447 
test expr-14.8 {CompilePrimaryExpr: literal primary} {expr {{abc\
448 
def} < {abcdef}}} 1
449 
test expr-14.9 {CompilePrimaryExpr: literal primary} {expr {{abc\tde} > {abc\tdef}}} 0
450 
test expr-14.10 {CompilePrimaryExpr: literal primary} {expr {{123}}} 123
451 
test expr-14.11 {CompilePrimaryExpr: var reference primary} {
452 
    set i 789
453 
    list [expr {$i}] [expr $i]
454 
} {789 789}
455 
test expr-14.12 {CompilePrimaryExpr: var reference primary} {
456 
    set i {789}    ;# test expr's aggressive conversion to numeric semantics
457 
    list [expr {$i}] [expr $i]
458 
} {789 789}
459 
test expr-14.13 {CompilePrimaryExpr: var reference primary} {
460 
    catch {unset a}
461 
    set a(foo) foo
462 
    set a(bar) bar
463 
    set a(123) 123
464 
    set result ""
465 
    lappend result [expr $a(123)] [expr {$a(bar)<$a(foo)}]
466 
    catch {unset a}
467 
    set result
468 
} {123 1}
469 
test expr-14.14 {CompilePrimaryExpr: var reference primary} {
470 
    set i 123    ;# test "$var.0" floating point conversion hack
471 
    list [expr $i] [expr $i.0] [expr $i.0/12.0]
472 
} {123 123.0 10.25}
473 
test expr-14.15 {CompilePrimaryExpr: var reference primary} {
474 
    set i 123
475 
    catch {expr $i.2} msg
476 
    set msg
477 
} 123.2
478 
test expr-14.16 {CompilePrimaryExpr: error compiling var reference primary} {
479 
    catch {expr {$a(foo}} msg
480 
    set errorInfo
481 
} {missing )
482 
    (parsing index for array "a")
483 
    while compiling
484 
"expr {$a(foo}"}
485 
test expr-14.17 {CompilePrimaryExpr: string primary that looks like var ref} {
486 
    expr $
487 
} $
488 
test expr-14.18 {CompilePrimaryExpr: quoted string primary} {
489 
    expr "21"
490 
} 21
491 
test expr-14.19 {CompilePrimaryExpr: quoted string primary} {
492 
    set i 123
493 
    set x 456
494 
    expr "$i+$x"
495 
} 579
496 
test expr-14.20 {CompilePrimaryExpr: quoted string primary} {
497 
    set i 3
498 
    set x 6
499 
    expr 2+"$i.$x"
500 
} 5.6
501 
test expr-14.21 {CompilePrimaryExpr: error in quoted string primary} {
502 
    catch {expr "[set]"} msg
503 
    set msg
504 
} {wrong # args: should be "set varName ?newValue?"}
505 
test expr-14.22 {CompilePrimaryExpr: subcommand primary} {
506 
    expr {[set i 123; set i]}
507 
} 123
508 
test expr-14.23 {CompilePrimaryExpr: error in subcommand primary} {
509 
    catch {expr {[set]}} msg
510 
    set errorInfo
511 
} {wrong # args: should be "set varName ?newValue?"
512 
    while compiling
513 
"set"
514 
    while compiling
515 
"expr {[set]}"}
516 
test expr-14.24 {CompilePrimaryExpr: error in subcommand primary} {
517 
    catch {expr {[set i}} msg
518 
    set errorInfo
519 
} {missing close-bracket or close-brace
520 
    while compiling
521 
"set i"
522 
    while compiling
523 
"expr {[set i}"}
524 
test expr-14.25 {CompilePrimaryExpr: math function primary} {
525 
    format %.6g [expr exp(1.0)]
526 
} 2.71828
527 
test expr-14.26 {CompilePrimaryExpr: math function primary} {
528 
    format %.6g [expr pow(2.0+0.1,3.0+0.1)]
529 
} 9.97424
530 
test expr-14.27 {CompilePrimaryExpr: error in math function primary} {
531 
    catch {expr sinh::(2.0)} msg
532 
    set errorInfo
533 
} {syntax error in expression "sinh::(2.0)"
534 
    while executing
535 
"expr sinh::(2.0)"}
536 
test expr-14.28 {CompilePrimaryExpr: subexpression primary} {
537 
    expr 2+(3*4)
538 
} 14
539 
test expr-14.29 {CompilePrimaryExpr: error in subexpression primary} {
540 
    catch {expr 2+(3*[set])} msg
541 
    set errorInfo
542 
} {wrong # args: should be "set varName ?newValue?"
543 
    while compiling
544 
"set"
545 
    while compiling
546 
"expr 2+(3*[set])"}
547 
test expr-14.30 {CompilePrimaryExpr: missing paren in subexpression primary} {
548 
    catch {expr 2+(3*(4+5)} msg
549 
    set errorInfo
550 
} {syntax error in expression "2+(3*(4+5)"
551 
    while executing
552 
"expr 2+(3*(4+5)"}
553 
test expr-14.31 {CompilePrimaryExpr: just var ref in subexpression primary} {
554 
    set i "5+10"
555 
    list "[expr $i] == 15" "[expr ($i)] == 15" "[eval expr ($i)] == 15"
556 
} {{15 == 15} {15 == 15} {15 == 15}}
557 
test expr-14.32 {CompilePrimaryExpr: unexpected token} {
558 
    catch {expr @} msg
559 
    set errorInfo
560 
} {syntax error in expression "@"
561 
    while executing
562 
"expr @"}
563 
 
564 
test expr-15.1 {CompileMathFuncCall: missing parenthesis} {
565 
    catch {expr sinh2.0)} msg
566 
    set errorInfo
567 
} {syntax error in expression "sinh2.0)"
568 
    while executing
569 
"expr sinh2.0)"}
570 
test expr-15.2 {CompileMathFuncCall: unknown math function} {
571 
    catch {expr whazzathuh(1)} msg
572 
    set errorInfo
573 
} {unknown math function "whazzathuh"
574 
    while executing
575 
"expr whazzathuh(1)"}
576 
test expr-15.3 {CompileMathFuncCall: too many arguments} {
577 
    catch {expr sin(1,2,3)} msg
578 
    set errorInfo
579 
} {too many arguments for math function
580 
    while executing
581 
"expr sin(1,2,3)"}
582 
test expr-15.4 {CompileMathFuncCall: ')' found before last required arg} {
583 
    catch {expr sin()} msg
584 
    set errorInfo
585 
} {syntax error in expression "sin()"
586 
    while executing
587 
"expr sin()"}
588 
test expr-15.5 {CompileMathFuncCall: too few arguments} {
589 
    catch {expr pow(1)} msg
590 
    set errorInfo
591 
} {too few arguments for math function
592 
    while executing
593 
"expr pow(1)"}
594 
test expr-15.6 {CompileMathFuncCall: missing ')'} {
595 
    catch {expr sin(1} msg
596 
    set errorInfo
597 
} {syntax error in expression "sin(1"
598 
    while executing
599 
"expr sin(1"}
600 
if $gotT1 {
601 
    test expr-15.7 {CompileMathFuncCall: call registered math function} {
602 
        expr 2*T1()
603 
    } 246
604 
    test expr-15.8 {CompileMathFuncCall: call registered math function} {
605 
        expr T2()*3
606 
    } 1035
607 
 
608 
    test expr-15.9 {CompileMathFuncCall: call registered math function} {
609 
        expr T3(21, 37)
610 
    } 37
611 
    test expr-15.10 {CompileMathFuncCall: call registered math function} {
612 
        expr T3(21.2, 37)
613 
    } 37.0
614 
    test expr-15.11 {CompileMathFuncCall: call registered math function} {
615 
        expr T3(-21.2, -17.5)
616 
    } -17.5
617 
}
618 
 
619 
test expr-16.1 {GetToken: checks whether integer token starting with "0x" (e.g., "0x$") is invalid} {
620 
    catch {unset a}
621 
    set a(VALUE) ff15
622 
    set i 123
623 
    if {[expr 0x$a(VALUE)] & 16} {
624 
        set i {}
625 
    }
626 
    set i
627 
} {}
628 
test expr-16.2 {GetToken: check for string literal in braces} {
629 
    expr {{1}}
630 
} {1}
631 
 
632 
# Check "expr" and computed command names.
633 
 
634 
test expr-17.1 {expr and computed command names} {
635 
    set i 0
636 
    set z expr
637 
    $z 1+2
638 
} 3
639 
 
640 
# Check correct conversion of operands to numbers: If the string looks like
641 
# an integer, convert to integer. Otherwise, if the string looks like a
642 
# double, convert to double.
643 
 
644 
test expr-18.1 {expr and conversion of operands to numbers} {
645 
    set x [lindex 11 0]
646 
    catch {expr int($x)}
647 
    expr {$x}
648 
} 11
649 
 
650 
# Check "expr" and interpreter result object resetting before appending
651 
# an error msg during evaluation of exprs not in {}s
652 
 
653 
test expr-19.1 {expr and interpreter result object resetting} {
654 
    proc p {} {
655 
        set t  10.0
656 
        set x  2.0
657 
        set dx 0.2
658 
        set f  {$dx-$x/10}
659 
        set g  {-$x/5}
660 
        set center 1.0
661 
        set x  [expr $x-$center]
662 
        set dx [expr $dx+$g]
663 
        set x  [expr $x+$f+$center]
664 
        set x  [expr $x+$f+$center]
665 
        set y  [expr round($x)]
666 
    }
667 
    p
668 
} 3
669 
 
670 
unset a

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