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# Commands covered: foreach, continue, break
#
# 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) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1997 Sun Microsystems, Inc.
#
# 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
namespace import -force ::tcltest::*
}
catch {unset a}
catch {unset x}
# ----- Basic "foreacha" operation (non-compiled) ------------------------------
test foreacha-1.1 {basic foreacha tests (non-compiled) - foldl/reduce with initial value} {
set x {}
set c [foreacha a 0 b {1 2 3 4} { lappend x $a ; incr a $b }]
list $a $b $c $x
} {10 4 10 {0 1 3 6}}
test foreacha-1.2 {basic foreacha tests (non-compiled) - foldl/reduce without initial value} {
set x {}
set c [foreacha {a b} {1 2 3 4 5 6} { lappend x $a ; incr a $b }]
list $a $b $c $x
} {21 6 21 {1 3 6 10 15}}
test foreacha-1.3 {basic foreacha tests (non-compiled) - filter} {
foreacha a {} b {1 2 3 4 5 6} { if { ($b % 2)==0 } { lappend a $b } }
} {2 4 6}
test foreacha-1.3.1 {basic foreacha tests (non-compiled) - filter (via continue)} {
foreacha a {} b {1 2 3 4 5 6} { if { ($b % 2)==0 } continue; lappend a $b }
} {1 3 5}
test foreacha-1.4 {basic foreacha tests (non-compiled) - map} {
foreacha a {} b {1 2 3 4 5 6} { lappend a [lrepeat $b $b] }
} {1 {2 2} {3 3 3} {4 4 4 4} {5 5 5 5 5} {6 6 6 6 6 6}}
test foreacha-1.5 {basic foreacha tests (non-compiled) - prefix (via break)} {
foreacha a {} b {1 2 3 4 5 6} { if { $b > 4 } break; lappend a $b }
} {1 2 3 4}
test foreacha-1.6 {basic foreacha tests (non-compiled) - accumulator doesn't iterate} {
set x {}
set b [foreacha a {1 2 3 4} { lappend x $a }]
list $a $b $x
} {1 1 1}
test foreacha-1.7 {basic foreacha tests (non-compiled) - accumulator doesn't iterate} {
set x {}
set c [foreacha a {1 2 3 4} b 0 { lappend x $a $b ; append a $b ; append b $a }]
list $a $b $c $x
} {10 010 10 {1 0}}
test foreacha-1.8 {basic foreacha tests (non-compiled) - huge list} {
foreacha {a b} [lsearch -all [lrepeat 1000000 x] x] { incr a $b }
} 499999500000
test foreacha-1.9 {basic foreacha tests (non-compiled) - spaghetti} {
foreacha {a b} [foreacha a {} {b c} [lsearch -all [lrepeat 1000 x] x] {
lappend a [expr { $b * $c }]
}] {
incr a $b
}
} 166416500
test foreacha-1.9.1 {basic foreacha tests (non-compiled) - spaghetti with mapeach} {
foreacha {a b} [mapeach {b c} [lsearch -all [lrepeat 1000 x] x] {
expr { $b * $c }
}] {
incr a $b
}
} 166416500
test foreacha-1.10 {basic foreacha tests (non-compiled) - nested} {
foreacha {a b} [lsearch -all [lrepeat 1000 x] x] {
incr a [foreacha c 10 d [lrepeat $b $b] { incr c $b }]
}
} 332843490
test foreacha-1.10.1 {basic foreacha tests (non-compiled) - nested with loop var collision} {
foreacha {a b} [lsearch -all [lrepeat 1000 x] x] {
foreacha a 10 b [lrepeat $b $b] { incr a $b }
}
} 998011
test foreacha-1.10.2 {basic foreacha tests (non-compiled) - nested, inner non-compiled} {
foreacha {a b} [lsearch -all [lrepeat 1000 x] x] {
incr a [eval foreacha c 10 d [list [lrepeat $b $b] { incr c $b }]]
}
} 332843490
# ----- Basic "foreacha" operation (compiled) ----------------------------------
test foreacha-2.1 {basic foreacha tests (compiled) - foldl/reduce with initial value} {
apply {{} {
set x {}
set c [foreacha a 0 b {1 2 3 4} { lappend x $a ; incr a $b }]
list $a $b $c $x
}}
} {10 4 10 {0 1 3 6}}
test foreacha-2.2 {basic foreacha tests (compiled) - foldl/reduce without initial value} {
apply {{} {
set x {}
set c [foreacha {a b} {1 2 3 4 5 6} { lappend x $a ; incr a $b }]
list $a $b $c $x
}}
} {21 6 21 {1 3 6 10 15}}
test foreacha-2.3 {basic foreacha tests (compiled) - filter} {
apply {{} {
foreacha a {} b {1 2 3 4 5 6} { if { ($b % 2)==0 } { lappend a $b } }
}}
} {2 4 6}
test foreacha-2.3.1 {basic foreacha tests (non-compiled) - filter (via continue)} {
apply {{} {
foreacha a {} b {1 2 3 4 5 6} { if { ($b % 2)==0 } continue; lappend a $b }
}}
} {1 3 5}
test foreacha-2.4 {basic foreacha tests (compiled) - map} {
apply {{} {
foreacha a {} b {1 2 3 4 5 6} { lappend a [lrepeat $b $b] }
}}
} {1 {2 2} {3 3 3} {4 4 4 4} {5 5 5 5 5} {6 6 6 6 6 6}}
test foreacha-2.5 {basic foreacha tests (non-compiled) - prefix (via break)} {
apply {{} {
foreacha a {} b {1 2 3 4 5 6} { if { $b > 4 } break; lappend a $b }
}}
} {1 2 3 4}
test foreacha-2.6 {basic foreacha tests (compiled) - accumulator doesn't iterate} {
apply {{} {
set x {}
set b [foreacha a {1 2 3 4} { lappend x $a }]
list $a $b $x
}}
} {1 1 1}
test foreacha-2.7 {basic foreacha tests (compiled) - accumulator doesn't iterate} {
apply {{} {
set x {}
set c [foreacha a {1 2 3 4} b 0 { lappend x $a $b ; append a $b ; append b $a }]
list $a $b $c $x
}}
} {10 010 10 {1 0}}
test foreacha-2.8 {basic foreacha tests (compiled) - huge list} {
apply {{} {
foreacha {a b} [lsearch -all [lrepeat 1000000 x] x] { incr a $b }
}}
} 499999500000
test foreacha-2.9 {basic foreacha tests (compiled) - spaghetti} {
apply {{} {
foreacha {a b} [foreacha a {} {b c} [lsearch -all [lrepeat 1000 x] x] {
lappend a [expr { $b * $c }]
}] {
incr a $b
}
}}
} 166416500
test foreacha-2.9.1 {basic foreacha tests (compiled) - spaghetti with mapeach} {
apply {{} {
foreacha {a b} [mapeach {b c} [lsearch -all [lrepeat 1000 x] x] {
expr { $b * $c }
}] {
incr a $b
}
}}
} 166416500
test foreacha-2.10 {basic foreacha tests (compiled) - nested} {
apply {{} {
foreacha {a b} [lsearch -all [lrepeat 1000 x] x] {
incr a [foreacha c 10 d [lrepeat $b $b] { incr c $b }]
}
}}
} 332843490
test foreacha-2.10.1 {basic foreacha tests (compiled) - nested with loop var collision} {
apply {{} {
foreacha {a b} [lsearch -all [lrepeat 1000 x] x] {
foreacha a 10 b [lrepeat $b $b] { incr a $b }
}
}}
} 998011
test foreacha-2.10.2 {basic foreacha tests (compiled) - nested, inner non-compiled} {
apply {{} {
foreacha {a b} [lsearch -all [lrepeat 1000 x] x] {
incr a [eval foreacha c 10 d [list [lrepeat $b $b] { incr c $b }]]
}
}}
} 332843490
# cleanup
catch {unset a}
catch {unset x}
catch {rename foo {}}
::tcltest::cleanupTests
return
|
