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# This test file covers the dictionary object type and the dict command used
# to work with values of that type.
#
# 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) 2003-2009 Donal K. Fellows
# See the file "license.terms" for information on usage and redistribution of
# this file, and for a DISCLAIMER OF ALL WARRANTIES.

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest 2
    namespace import -force ::tcltest::*
}

# Used for constraining memory leak tests
testConstraint memory [llength [info commands memory]]
if {[testConstraint memory]} {
    proc memtest script {
	set end [lindex [split [memory info] \n] 3 3]
	for {set i 0} {$i < 5} {incr i} {
	    uplevel 1 $script
	    set tmp $end
	    set end [lindex [split [memory info] \n] 3 3]
	}
	expr {$end - $tmp}
    }
}

test dict-1.1 {dict command basic syntax} -returnCodes error -body {
    dict
} -result {wrong # args: should be "dict subcommand ?arg ...?"}
test dict-1.2 {dict command basic syntax} -returnCodes error -body {
    dict ?
} -match glob -result {unknown or ambiguous subcommand "?": must be *}

test dict-2.1 {dict create command} {
    dict create
} {}
test dict-2.2 {dict create command} {
    dict create a b
} {a b}
test dict-2.3 {dict create command} -body {
    set result {}
    set dict [dict create a b c d]
    # Can't compare directly as ordering of values is undefined
    foreach key {a c} {
	set idx [lsearch -exact $dict $key]
	if {$idx & 1} {
	    error "found $key at odd index $idx in $dict"
	}
	lappend result [lindex $dict [expr {$idx+1}]]
    }
    return $result
} -cleanup {
    unset result dict key idx
} -result {b d}
test dict-2.4 {dict create command} -returnCodes error -body {
    dict create a
} -result {wrong # args: should be "dict create ?key value ...?"}
test dict-2.5 {dict create command} -returnCodes error -body {
    dict create a b c
} -result {wrong # args: should be "dict create ?key value ...?"}
test dict-2.6 {dict create command - initialse refcount field!} -body {
    # Bug 715751 will show up in memory debuggers like purify
    for {set i 0} {$i<10} {incr i} {
	set dictv [dict create a 0]
	set share [dict values $dictv]
	list [dict incr dictv a]
    }
} -cleanup {
    unset i dictv share
} -result {}
test dict-2.7 {dict create command - #-quoting in string rep} {
    dict create # #comment
} {{#} #comment}
test dict-2.8 {dict create command - #-quoting in string rep} -body {
    dict create #a x #b x
} -match glob -result {{#?} x #? x}
test dict-2.9 {dict create command: compilation} {
    apply {{} {dict create [format a] b}}
} {a b}
test dict-2.10 {dict create command: compilation} {
    apply {{} {dict create [format a] b c d}}
} {a b c d}
test dict-2.11 {dict create command: compilation} {
    apply {{} {dict create [format a] b c d a x}}
} {a x c d}
test dict-2.12 {dict create command: non-compilation} {
    dict create [format a] b
} {a b}
test dict-2.13 {dict create command: non-compilation} {
    dict create [format a] b c d
} {a b c d}
test dict-2.14 {dict create command: non-compilation} {
    dict create [format a] b c d a x
} {a x c d}

test dict-3.1 {dict get command} {dict get {a b} a} b
test dict-3.2 {dict get command} {dict get {a b c d} a} b
test dict-3.3 {dict get command} {dict get {a b c d} c} d
test dict-3.4 {dict get command} -returnCodes error -body {
    dict get {a b c d} b
} -result {key "b" not known in dictionary}
test dict-3.5 {dict get command} {dict get {a {p q r s} b {u v x y}} a p} q
test dict-3.6 {dict get command} {dict get {a {p q r s} b {u v x y}} a r} s
test dict-3.7 {dict get command} {dict get {a {p q r s} b {u v x y}} b u} v
test dict-3.8 {dict get command} {dict get {a {p q r s} b {u v x y}} b x} y
test dict-3.9 {dict get command} -returnCodes error -body {
    dict get {a {p q r s} b {u v x y}} a z
} -result {key "z" not known in dictionary}
test dict-3.10 {dict get command} -returnCodes error -body {
    dict get {a {p q r s} b {u v x y}} c z
} -result {key "c" not known in dictionary}
test dict-3.11 {dict get command} {dict get [dict create a b c d] a} b
test dict-3.12 {dict get command} -returnCodes error -body {
    dict get
} -result {wrong # args: should be "dict get dictionary ?key ...?"}
test dict-3.13 {dict get command} -body {
    set dict [dict get {a b c d}]
    if {$dict eq "a b c d"} {
	return OK
    } elseif {$dict eq "c d a b"} {
	return reordered
    } else {
	return $dict
    }
} -cleanup {
    unset dict
} -result OK
test dict-3.14 {dict get command} -returnCodes error -body {
    dict get {a b c d} a c
} -result {missing value to go with key}
test dict-3.15 {compiled dict get error cleanliness - Bug 2431847} -body {
    apply {{} {
	dict set a(z) b c
	dict get $a(z) d
    }}
} -returnCodes error -result {key "d" not known in dictionary}
test dict-3.16 {dict/list shimmering - Bug 3004007} {set l [list p 1 p 2 q 3];dict get $l q;set l} {p 1 p 2 q 3}
test dict-3.17 {dict/list shimmering - Bug 3004007} {set l [list p 1 p 2 q 3];dict get $l q;llength $l} 6

test dict-4.1 {dict replace command} {
    dict replace {a b c d}
} {a b c d}
test dict-4.2 {dict replace command} {
    dict replace {a b c d} e f
} {a b c d e f}
test dict-4.3 {dict replace command} {
    dict replace {a b c d} c f
} {a b c f}
test dict-4.4 {dict replace command} {
    dict replace {a b c d} c x a y
} {a y c x}
test dict-4.5 {dict replace command} -returnCodes error -body {
    dict replace
} -result {wrong # args: should be "dict replace dictionary ?key value ...?"}
test dict-4.6 {dict replace command} -returnCodes error -body {
    dict replace {a a} a
} -result {wrong # args: should be "dict replace dictionary ?key value ...?"}
test dict-4.7 {dict replace command} -returnCodes error -body {
    dict replace {a a a} a b
} -result {missing value to go with key}
test dict-4.8 {dict replace command} -returnCodes error -body {
    dict replace [list a a a] a b
} -result {missing value to go with key}
test dict-4.9 {dict replace command} {dict replace [list a a] a b} {a b}
test dict-4.10 {dict replace command} {dict replace [list a a] a b a c} {a c}

test dict-5.1 {dict remove command} {dict remove {a b c d} a} {c d}
test dict-5.2 {dict remove command} {dict remove {a b c d} c} {a b}
test dict-5.3 {dict remove command} {dict remove {a b c d} a c} {}
test dict-5.4 {dict remove command} {dict remove {a b c d} c a} {}
test dict-5.5 {dict remove command} {
    dict remove {a b c d}
} {a b c d}
test dict-5.6 {dict remove command} {dict remove {a b} c} {a b}
test dict-5.7 {dict remove command} -returnCodes error -body {
    dict remove
} -result {wrong # args: should be "dict remove dictionary ?key ...?"}

test dict-6.1 {dict keys command} {dict keys {a b}} a
test dict-6.2 {dict keys command} {dict keys {c d}} c
test dict-6.3 {dict keys command} {lsort [dict keys {a b c d}]} {a c}
test dict-6.4 {dict keys command} {dict keys {a b c d} a} a
test dict-6.5 {dict keys command} {dict keys {a b c d} c} c
test dict-6.6 {dict keys command} {dict keys {a b c d} e} {}
test dict-6.7 {dict keys command} {lsort [dict keys {a b c d ca da} c*]} {c ca}
test dict-6.8 {dict keys command} -returnCodes error -body {
    dict keys
} -result {wrong # args: should be "dict keys dictionary ?pattern?"}
test dict-6.9 {dict keys command} -returnCodes error -body {
    dict keys {} a b
} -result {wrong # args: should be "dict keys dictionary ?pattern?"}
test dict-6.10 {dict keys command} -returnCodes error -body {
    dict keys a
} -result {missing value to go with key}

test dict-7.1 {dict values command} {dict values {a b}} b
test dict-7.2 {dict values command} {dict values {c d}} d
test dict-7.3 {dict values command} {lsort [dict values {a b c d}]} {b d}
test dict-7.4 {dict values command} {dict values {a b c d} b} b
test dict-7.5 {dict values command} {dict values {a b c d} d} d
test dict-7.6 {dict values command} {dict values {a b c d} e} {}
test dict-7.7 {dict values command} {lsort [dict values {a b c d ca da} d*]} {d da}
test dict-7.8 {dict values command} -returnCodes error -body {
    dict values
} -result {wrong # args: should be "dict values dictionary ?pattern?"}
test dict-7.9 {dict values command} -returnCodes error -body {
    dict values {} a b
} -result {wrong # args: should be "dict values dictionary ?pattern?"}
test dict-7.10 {dict values command} -returnCodes error -body {
    dict values a
} -result {missing value to go with key}

test dict-8.1 {dict size command} {dict size {}} 0
test dict-8.2 {dict size command} {dict size {a b}} 1
test dict-8.3 {dict size command} {dict size {a b c d}} 2
test dict-8.4 {dict size command} -returnCodes error -body {
    dict size
} -result {wrong # args: should be "dict size dictionary"}
test dict-8.5 {dict size command} -returnCodes error -body {
    dict size a b
} -result {wrong # args: should be "dict size dictionary"}
test dict-8.6 {dict size command} -returnCodes error -body {
    dict size a
} -result {missing value to go with key}

test dict-9.1 {dict exists command} {dict exists {a b} a} 1
test dict-9.2 {dict exists command} {dict exists {a b} b} 0
test dict-9.3 {dict exists command} {dict exists {a {b c}} a b} 1
test dict-9.4 {dict exists command} {dict exists {a {b c}} a c} 0
test dict-9.5 {dict exists command} {dict exists {a {b c}} b c} 0
test dict-9.6 {dict exists command} {dict exists {a {b c d}} a c} 0
test dict-9.7 {dict exists command} -returnCodes error -body {
    dict exists
} -result {wrong # args: should be "dict exists dictionary key ?key ...?"}
test dict-9.8 {dict exists command} -returnCodes error -body {
    dict exists {}
} -result {wrong # args: should be "dict exists dictionary key ?key ...?"}

test dict-10.1 {dict info command} -body {
    # Actual string returned by this command is undefined; it is
    # intended for human consumption and not for use by scripts.
    dict info {}
} -match glob -result *
test dict-10.2 {dict info command} -returnCodes error -body {
    dict info
} -result {wrong # args: should be "dict info dictionary"}
test dict-10.3 {dict info command} -returnCodes error -body {
    dict info {} x
} -result {wrong # args: should be "dict info dictionary"}
test dict-10.4 {dict info command} -returnCodes error -body {
    dict info x
} -result {missing value to go with key}

test dict-11.1 {dict incr command: unshared value} -body {
    set dictv [dict create \
	    a [string index "=0=" 1] \
	    b [expr {1+2}] \
	    c [expr {wide(0x80000000)+1}]]
    dict incr dictv a
} -cleanup {
    unset dictv
} -result {a 1 b 3 c 2147483649}
test dict-11.2 {dict incr command: unshared value} -body {
    set dictv [dict create \
	    a [string index "=0=" 1] \
	    b [expr {1+2}] \
	    c [expr {wide(0x80000000)+1}]]
    dict incr dictv b
} -cleanup {
    unset dictv
} -result {a 0 b 4 c 2147483649}
test dict-11.3 {dict incr command: unshared value} -body {
    set dictv [dict create \
	    a [string index "=0=" 1] \
	    b [expr {1+2}] \
	    c [expr {wide(0x80000000)+1}]]
    dict incr dictv c
} -cleanup {
    unset dictv
} -result {a 0 b 3 c 2147483650}
test dict-11.4 {dict incr command: shared value} -body {
    set dictv [dict create a 0 b [expr {1+2}] c [expr {wide(0x80000000)+1}]]
    set sharing [dict values $dictv]
    dict incr dictv a
} -cleanup {
    unset dictv sharing
} -result {a 1 b 3 c 2147483649}
test dict-11.5 {dict incr command: shared value} -body {
    set dictv [dict create a 0 b [expr {1+2}] c [expr {wide(0x80000000)+1}]]
    set sharing [dict values $dictv]
    dict incr dictv b
} -cleanup {
    unset dictv sharing
} -result {a 0 b 4 c 2147483649}
test dict-11.6 {dict incr command: shared value} -body {
    set dictv [dict create a 0 b [expr {1+2}] c [expr {wide(0x80000000)+1}]]
    set sharing [dict values $dictv]
    dict incr dictv c
} -cleanup {
    unset dictv sharing
} -result {a 0 b 3 c 2147483650}
test dict-11.7 {dict incr command: unknown values} -body {
    set dictv [dict create a 0 b [expr {1+2}] c [expr {wide(0x80000000)+1}]]
    dict incr dictv d
} -cleanup {
    unset dictv
} -result {a 0 b 3 c 2147483649 d 1}
test dict-11.8 {dict incr command} -body {
    set dictv {a 1}
    dict incr dictv a 2
} -cleanup {
    unset dictv
} -result {a 3}
test dict-11.9 {dict incr command} -returnCodes error -body {
    set dictv {a dummy}
    dict incr dictv a
} -cleanup {
    unset dictv
} -result {expected integer but got "dummy"}
test dict-11.10 {dict incr command} -returnCodes error -body {
    set dictv {a 1}
    dict incr dictv a dummy
} -cleanup {
    unset dictv
} -result {expected integer but got "dummy"}
test dict-11.11 {dict incr command} -setup {
    unset -nocomplain dictv
} -body {
    dict incr dictv a
} -cleanup {
    unset dictv
} -result {a 1}
test dict-11.12 {dict incr command} -returnCodes error -body {
    set dictv a
    dict incr dictv a
} -cleanup {
    unset dictv
} -result {missing value to go with key}
test dict-11.13 {dict incr command} -returnCodes error -body {
    set dictv a
    dict incr dictv a a a
} -cleanup {
    unset dictv
} -result {wrong # args: should be "dict incr varName key ?increment?"}
test dict-11.14 {dict incr command} -returnCodes error -body {
    set dictv a
    dict incr dictv
} -cleanup {
    unset dictv
} -result {wrong # args: should be "dict incr varName key ?increment?"}
test dict-11.15 {dict incr command: write failure} -setup {
    unset -nocomplain dictVar
} -body {
    set dictVar(block) {}
    dict incr dictVar a
} -returnCodes error -cleanup {
    unset dictVar
} -result {can't set "dictVar": variable is array}
test dict-11.16 {dict incr command: compilation} {
    apply {{} {
	set v {a 0 b 0 c 0}
	dict incr v a
	dict incr v b 1
	dict incr v c 2
	dict incr v d 3
	list [dict get $v a] [dict get $v b] [dict get $v c] [dict get $v d]
    }}
} {1 1 2 3}
test dict-11.17 {dict incr command: compilation} {
    apply {{} {
	set dictv {a 1}
	dict incr dictv a 2
    }}
} {a 3}

test dict-12.1 {dict lappend command} -body {
    set dictv {a a}
    dict lappend dictv a
} -cleanup {
    unset dictv
} -result {a a}
test dict-12.2 {dict lappend command} -body {
    set dictv {a a}
    set sharing [dict values $dictv]
    dict lappend dictv a b
} -cleanup {
    unset dictv sharing
} -result {a {a b}}
test dict-12.3 {dict lappend command} -body {
    set dictv {a a}
    dict lappend dictv a b c
} -cleanup {
    unset dictv
} -result {a {a b c}}
test dict-12.2.1 {dict lappend command} -body {
    set dictv [dict create a [string index =a= 1]]
    dict lappend dictv a b
} -cleanup {
    unset dictv
} -result {a {a b}}
test dict-12.4 {dict lappend command} -body {
    set dictv {}
    dict lappend dictv a x y z
} -cleanup {
    unset dictv
} -result {a {x y z}}
test dict-12.5 {dict lappend command} -body {
    unset -nocomplain dictv
    dict lappend dictv a b
} -cleanup {
    unset dictv
} -result {a b}
test dict-12.6 {dict lappend command} -returnCodes error -body {
    set dictv a
    dict lappend dictv a a
} -cleanup {
    unset dictv
} -result {missing value to go with key}
test dict-12.7 {dict lappend command} -returnCodes error -body {
    dict lappend
} -result {wrong # args: should be "dict lappend varName key ?value ...?"}
test dict-12.8 {dict lappend command} -returnCodes error -body {
    dict lappend dictv
} -result {wrong # args: should be "dict lappend varName key ?value ...?"}
test dict-12.9 {dict lappend command} -returnCodes error -body {
    set dictv [dict create a "\{"]
    dict lappend dictv a a
} -cleanup {
    unset dictv
} -result {unmatched open brace in list}
test dict-12.10 {dict lappend command: write failure} -setup {
    unset -nocomplain dictVar
} -body {
    set dictVar(block) {}
    dict lappend dictVar a x
} -returnCodes error -cleanup {
    unset dictVar
} -result {can't set "dictVar": variable is array}
test dict-12.11 {compiled dict append: invalidate string rep - Bug 3079830} {
    apply {{} {set d {a 1 b 2 c 3}; dict lappend d b 22}}
} {a 1 b {2 22} c 3}

test dict-13.1 {dict append command} -body {
    set dictv {a a}
    dict append dictv a
} -cleanup {
    unset dictv
} -result {a a}
test dict-13.2 {dict append command} -body {
    set dictv {a a}
    set sharing [dict values $dictv]
    dict append dictv a b
} -cleanup {
    unset dictv sharing
} -result {a ab}
test dict-13.3 {dict append command} -body {
    set dictv {a a}
    dict append dictv a b c
} -cleanup {
    unset dictv
} -result {a abc}
test dict-13.2.1 {dict append command} -body {
    set dictv [dict create a [string index =a= 1]]
    dict append dictv a b
} -cleanup {
    unset dictv
} -result {a ab}
test dict-13.4 {dict append command} -body {
    set dictv {}
    dict append dictv a x y z
} -cleanup {
    unset dictv
} -result {a xyz}
test dict-13.5 {dict append command} -body {
    unset -nocomplain dictv
    dict append dictv a b
} -cleanup {
    unset dictv
} -result {a b}
test dict-13.6 {dict append command} -returnCodes error -body {
    set dictv a
    dict append dictv a a
} -cleanup {
    unset dictv
} -result {missing value to go with key}
test dict-13.7 {dict append command} -returnCodes error -body {
    dict append
} -result {wrong # args: should be "dict append varName key ?value ...?"}
test dict-13.8 {dict append command} -returnCodes error -body {
    dict append dictv
} -result {wrong # args: should be "dict append varName key ?value ...?"}
test dict-13.9 {dict append command: write failure} -setup {
    unset -nocomplain dictVar
} -body {
    set dictVar(block) {}
    dict append dictVar a x
} -returnCodes error -cleanup {
    unset dictVar
} -result {can't set "dictVar": variable is array}
test dict-13.10 {compiled dict append: crash case} {
    apply {{} {dict append dictVar a o k}}
} {a ok}
test dict-13.11 {compiled dict append: invalidate string rep - Bug 3079830} {
    apply {{} {set d {a 1 b 2 c 3}; dict append d b 22}}
} {a 1 b 222 c 3}

test dict-14.1 {dict for command: syntax} -returnCodes error -body {
    dict for
} -result {wrong # args: should be "dict for {keyVar valueVar} dictionary script"}
test dict-14.2 {dict for command: syntax} -returnCodes error -body {
    dict for x
} -result {wrong # args: should be "dict for {keyVar valueVar} dictionary script"}
test dict-14.3 {dict for command: syntax} -returnCodes error -body {
    dict for x x
} -result {wrong # args: should be "dict for {keyVar valueVar} dictionary script"}
test dict-14.4 {dict for command: syntax} -returnCodes error -body {
    dict for x x x x
} -result {wrong # args: should be "dict for {keyVar valueVar} dictionary script"}
test dict-14.5 {dict for command: syntax} -returnCodes error -body {
    dict for x x x
} -result {must have exactly two variable names}
test dict-14.6 {dict for command: syntax} -returnCodes error -body {
    dict for {x x x} x x
} -result {must have exactly two variable names}
test dict-14.7 {dict for command: syntax} -returnCodes error -body {
    dict for "\{x" x x
} -result {unmatched open brace in list}
test dict-14.8 {dict for command} -body {
    # This test confirms that [dict keys], [dict values] and [dict for]
    # all traverse a dictionary in the same order.
    set dictv {a A b B c C}
    set keys {}
    set values {}
    dict for {k v} $dictv {
	lappend keys $k
	lappend values $v
    }
    set result [expr {
	$keys eq [dict keys $dictv] && $values eq [dict values $dictv]
    }]
    expr {$result ? "YES" : [list "NO" $dictv $keys $values]}
} -cleanup {
    unset result keys values k v dictv
} -result YES
test dict-14.9 {dict for command} {
    dict for {k v} {} {
	error "unexpected execution of 'dict for' body"
    }
} {}
test dict-14.10 {dict for command: script results} -body {
    set times 0
    dict for {k v} {a a b b} {
	incr times
	continue
	error "shouldn't get here"
    }
    return $times
} -cleanup {
    unset times k v
} -result 2
test dict-14.11 {dict for command: script results} -body {
    set times 0
    dict for {k v} {a a b b} {
	incr times
	break
	error "shouldn't get here"
    }
    return $times
} -cleanup {
    unset times k v
} -result 1
test dict-14.12 {dict for command: script results} -body {
    set times 0
    list [catch {
	dict for {k v} {a a b b} {
	    incr times
	    error test
	}
    } msg] $msg $times $::errorInfo
} -cleanup {
    unset times k v msg
} -result {1 test 1 {test
    while executing
"error test"
    ("dict for" body line 3)
    invoked from within
"dict for {k v} {a a b b} {
	    incr times
	    error test
	}"}}
test dict-14.13 {dict for command: script results} {
    apply {{} {
	dict for {k v} {a b} {
	    return ok,$k,$v
	    error "skipped return completely"
	}
	error "return didn't go far enough"
    }}
} ok,a,b
test dict-14.14 {dict for command: handle representation loss} -body {
    set dictVar {a b c d e f g h}
    set keys {}
    set values {}
    dict for {k v} $dictVar {
	if {[llength $dictVar]} {
	    lappend keys $k
	    lappend values $v
	}
    }
    list [lsort $keys] [lsort $values]
} -cleanup {
    unset dictVar keys values k v
} -result {{a c e g} {b d f h}}
test dict-14.15 {dict for command: keys are unique and iterated over once only} -setup {
    unset -nocomplain accum
    array set accum {}
} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    dict for {k v} $dictVar {
	append accum($k) $v,
    }
    set result [lsort [array names accum]]
    lappend result :
    foreach k $result {
	catch {lappend result $accum($k)}
    }
    return $result
} -cleanup {
    unset dictVar k v result accum
} -result {a1 a2 b1 b2 bar foo : a, b, c, d, foo, bar,}
test dict-14.16 {dict for command in compilation context} {
    apply {{} {
	set res {x x x x x x}
	dict for {k v} {a 0 b 1 c 2 d 3 e 4 f 5} {
	    lset res $v $k
	    continue
	}
	return $res
    }}
} {a b c d e f}
test dict-14.17 {dict for command in compilation context} {
    # Bug 1379349
    apply {{} {
	set d [dict create a 1]		;# Dict must be unshared!
	dict for {k v} $d {
	    dict set d $k 0		;# Any modification will do
	}
	return $d
    }}
} {a 0}
test dict-14.18 {dict for command in compilation context} {
    # Bug 1382528
    apply {{} {
	dict for {k v} {} {}		;# Note empty dict
	catch { error foo }		;# Note compiled [catch]
    }}
} 1
test dict-14.19 {dict for and invalid dicts: bug 1531184} -body {
    di[list]ct for {k v} x {}
} -returnCodes 1 -result {missing value to go with key}
test dict-14.20 {dict for stack space compilation: bug 1903325} {
    apply {{x y args} {
	dict for {a b} $x {}
	concat "c=$y,$args"
    }} {} 1 2 3
} {c=1,2 3}
test dict-14.21 {compiled dict for and break} {
    apply {{} {
	dict for {a b} {c d e f} {
	    lappend result $a,$b
	    break
	}
	return $result
    }}
} c,d
test dict-14.22 {dict for and exception range depths: Bug 3614382} {
    apply {{} {
	dict for {a b} {c d} {
	    dict for {e f} {g h} {
		return 5
	    }
	}
    }}
} 5
# There's probably a lot more tests to add here. Really ought to use a
# coverage tool for this job...

test dict-15.1 {dict set command} -body {
    set dictVar {}
    dict set dictVar a x
} -cleanup {
    unset dictVar
} -result {a x}
test dict-15.2 {dict set command} -body {
    set dictvar {a {}}
    dict set dictvar a b x
} -cleanup {
    unset dictvar
} -result {a {b x}}
test dict-15.3 {dict set command} -body {
    set dictvar {a {b {}}}
    dict set dictvar a b c x
} -cleanup {
    unset dictvar
} -result {a {b {c x}}}
test dict-15.4 {dict set command} -body {
    set dictVar {a y}
    dict set dictVar a x
} -cleanup {
    unset dictVar
} -result {a x}
test dict-15.5 {dict set command} -body {
    set dictVar {a {b y}}
    dict set dictVar a b x
} -cleanup {
    unset dictVar
} -result {a {b x}}
test dict-15.6 {dict set command} -body {
    set dictVar {a {b {c y}}}
    dict set dictVar a b c x
} -cleanup {
    unset dictVar
} -result {a {b {c x}}}
test dict-15.7 {dict set command: path creation} -body {
    set dictVar {}
    dict set dictVar a b x
} -cleanup {
    unset dictVar
} -result {a {b x}}
test dict-15.8 {dict set command: creates variables} -setup {
    unset -nocomplain dictVar
} -body {
    dict set dictVar a x
    return $dictVar
} -cleanup {
    unset dictVar
} -result {a x}
test dict-15.9 {dict set command: write failure} -setup {
    unset -nocomplain dictVar
} -body {
    set dictVar(block) {}
    dict set dictVar a x
} -returnCodes error -cleanup {
    unset dictVar
} -result {can't set "dictVar": variable is array}
test dict-15.10 {dict set command: syntax} -returnCodes error -body {
    dict set
} -result {wrong # args: should be "dict set varName key ?key ...? value"}
test dict-15.11 {dict set command: syntax} -returnCodes error -body {
    dict set a
} -result {wrong # args: should be "dict set varName key ?key ...? value"}
test dict-15.12 {dict set command: syntax} -returnCodes error -body {
    dict set a a
} -result {wrong # args: should be "dict set varName key ?key ...? value"}
test dict-15.13 {dict set command} -returnCodes error -body {
    set dictVar a
    dict set dictVar b c
} -cleanup {
    unset dictVar
} -result {missing value to go with key}

test dict-16.1 {dict unset command} -body {
    set dictVar {a b c d}
    dict unset dictVar a
} -cleanup {
    unset dictVar
} -result {c d}
test dict-16.2 {dict unset command} -body {
    set dictVar {a b c d}
    dict unset dictVar c
} -cleanup {
    unset dictVar
} -result {a b}
test dict-16.3 {dict unset command} -body {
    set dictVar {a b}
    dict unset dictVar c
} -cleanup {
    unset dictVar
} -result {a b}
test dict-16.4 {dict unset command} -body {
    set dictVar {a {b c d e}}
    dict unset dictVar a b
} -cleanup {
    unset dictVar
} -result {a {d e}}
test dict-16.5 {dict unset command} -returnCodes error -body {
    set dictVar a
    dict unset dictVar a
} -cleanup {
    unset dictVar
} -result {missing value to go with key}
test dict-16.6 {dict unset command} -returnCodes error -body {
    set dictVar {a b}
    dict unset dictVar c d
} -cleanup {
    unset dictVar
} -result {key "c" not known in dictionary}
test dict-16.7 {dict unset command} -setup {
    unset -nocomplain dictVar
} -body {
    list [info exists dictVar] [dict unset dictVar a] [info exists dictVar]
} -cleanup {
    unset dictVar
} -result {0 {} 1}
test dict-16.8 {dict unset command} -returnCodes error -body {
    dict unset dictVar
} -result {wrong # args: should be "dict unset varName key ?key ...?"}
test dict-16.9 {dict unset command: write failure} -setup {
    unset -nocomplain dictVar
} -body {
    set dictVar(block) {}
    dict unset dictVar a
} -returnCodes error -cleanup {
    unset dictVar
} -result {can't set "dictVar": variable is array}
# Now test with an LVT present (i.e., the bytecoded version).
test dict-16.10 {dict unset command} -body {
    apply {{} {
	set dictVar {a b c d}
	dict unset dictVar a
    }}
} -result {c d}
test dict-16.11 {dict unset command} -body {
    apply {{} {
	set dictVar {a b c d}
	dict unset dictVar c
    }}
} -result {a b}
test dict-16.12 {dict unset command} -body {
    apply {{} {
	set dictVar {a b}
	dict unset dictVar c
    }}
} -result {a b}
test dict-16.13 {dict unset command} -body {
    apply {{} {
	set dictVar {a {b c d e}}
	dict unset dictVar a b
    }}
} -result {a {d e}}
test dict-16.14 {dict unset command} -returnCodes error -body {
    apply {{} {
	set dictVar a
	dict unset dictVar a
    }}
} -result {missing value to go with key}
test dict-16.15 {dict unset command} -returnCodes error -body {
    apply {{} {
	set dictVar {a b}
	dict unset dictVar c d
    }}
} -result {key "c" not known in dictionary}
test dict-16.16 {dict unset command} -body {
    apply {{} {list [info exists dictVar] [dict unset dictVar a] [info exists dictVar]}}
} -result {0 {} 1}
test dict-16.17 {dict unset command} -returnCodes error -body {
    apply {{} {dict unset dictVar}}
} -result {wrong # args: should be "dict unset varName key ?key ...?"}
test dict-16.18 {dict unset command: write failure} -body {
    apply {{} {
	set dictVar(block) {}
	dict unset dictVar a
    }}
} -returnCodes error -result {can't set "dictVar": variable is array}

test dict-17.1 {dict filter command: key} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    dict filter $dictVar key a2
} -cleanup {
    unset dictVar
} -result {a2 b}
test dict-17.2 {dict filter command: key} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    dict size [dict filter $dictVar key *]
} -cleanup {
    unset dictVar
} -result 6
test dict-17.3 {dict filter command: key} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    dict filter $dictVar key ???
} -cleanup {
    unset dictVar
} -result {foo bar bar foo}
test dict-17.4 {dict filter command: key - no patterns} {
    dict filter {a b c d} key
} {}
test dict-17.4.1 {dict filter command: key - many patterns} {
    dict filter {a1 a a2 b b1 c b2 d foo bar bar foo} key a? b?
} {a1 a a2 b b1 c b2 d}
test dict-17.5 {dict filter command: key - bad dict} -returnCodes error -body {
    dict filter {a b c} key
} -result {missing value to go with key}
test dict-17.6 {dict filter command: value} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    dict filter $dictVar value c
} -cleanup {
    unset dictVar
} -result {b1 c}
test dict-17.7 {dict filter command: value} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    dict size [dict filter $dictVar value *]
} -cleanup {
    unset dictVar
} -result 6
test dict-17.8 {dict filter command: value} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    dict filter $dictVar value ???
} -cleanup {
    unset dictVar
} -result {foo bar bar foo}
test dict-17.9 {dict filter command: value - no patterns} {
    dict filter {a b c d} value
} {}
test dict-17.9.1 {dict filter command: value - many patterns} {
    dict filter {a a1 b a2 c b1 foo bar bar foo d b2} value a? b?
} {a a1 b a2 c b1 d b2}
test dict-17.10 {dict filter command: value - bad dict} -body {
    dict filter {a b c} value a
} -returnCodes error -result {missing value to go with key}
test dict-17.11 {dict filter command: script} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    set n 0
    list [dict filter $dictVar script {k v} {
	incr n
	expr {[string length $k] == [string length $v]}
    }] $n
} -cleanup {
    unset dictVar n k v
} -result {{foo bar bar foo} 6}
test dict-17.12 {dict filter command: script} -returnCodes error -body {
    dict filter {a b} script {k v} {
	concat $k $v
    }
} -cleanup {
    unset k v
} -result {expected boolean value but got "a b"}
test dict-17.13 {dict filter command: script} -body {
    list [catch {dict filter {a b} script {k v} {error x}} msg] $msg \
	    $::errorInfo
} -cleanup {
    unset k v msg
} -result {1 x {x
    while executing
"error x"
    ("dict filter" script line 1)
    invoked from within
"dict filter {a b} script {k v} {error x}"}}
test dict-17.14 {dict filter command: script} -setup {
    set n 0
} -body {
    list [dict filter {a b c d} script {k v} {
	incr n
	break
	error boom!
    }] $n
} -cleanup {
    unset n k v
} -result {{} 1}
test dict-17.15 {dict filter command: script} -setup {
    set n 0
} -body {
    list [dict filter {a b c d} script {k v} {
	incr n
	continue
	error boom!
    }] $n
} -cleanup {
    unset n k v
} -result {{} 2}
test dict-17.16 {dict filter command: script} {
    apply {{} {
	dict filter {a b} script {k v} {
	    return ok,$k,$v
	    error "skipped return completely"
	}
	error "return didn't go far enough"
    }}
} ok,a,b
test dict-17.17 {dict filter command: script} -body {
    dict filter {a b} script {k k} {continue}
    return $k
} -cleanup {
    unset k
} -result b
test dict-17.18 {dict filter command: script} -returnCodes error -body {
    dict filter {a b} script {k k}
} -result {wrong # args: should be "dict filter dictionary script {keyVar valueVar} filterScript"}
test dict-17.19 {dict filter command: script} -returnCodes error -body {
    dict filter {a b} script k {continue}
} -result {must have exactly two variable names}
test dict-17.20 {dict filter command: script} -returnCodes error -body {
    dict filter {a b} script "\{k v" {continue}
} -result {unmatched open brace in list}
test dict-17.21 {dict filter command} -returnCodes error -body {
    dict filter {a b}
} -result {wrong # args: should be "dict filter dictionary filterType ?arg ...?"}
test dict-17.22 {dict filter command} -returnCodes error -body {
    dict filter {a b} JUNK
} -result {bad filterType "JUNK": must be key, script, or value}
test dict-17.23 {dict filter command} -returnCodes error -body {
    dict filter a key *
} -result {missing value to go with key}

test dict-18.1 {dict-list relationship} -body {
    # Test that any internal conversion between list and dict does not change
    # the object
    set l [list 1 2 3 4 5 6 7 8 9 0 q w e r t y]
    dict values $l
    return $l
} -cleanup {
    unset l
} -result {1 2 3 4 5 6 7 8 9 0 q w e r t y}
test dict-18.2 {dict-list relationship} -body {
    # Test that the dictionary is a valid list
    set d [dict create "abc def" 0 "a\{b" 1 "c\}d" 2]
    for {set t 0} {$t < 5} {incr t} {
	llength $d
	dict lappend d "abc def" "\}\{"
	dict append  d "a\{b" "\}"
	dict incr    d "c\}d" 1
    }
    llength $d
} -cleanup {
    unset d t
} -result 6
test dict-18.3 {dict-list relationship} -body {
    set ld [list a b c d c e f g]
    list [string length $ld] [dict size $ld] [llength $ld]
} -cleanup {
    unset ld
} -result {15 3 8}
test dict-18.4 {dict-list relationship} -body {
    set ld [list a b c d c e f g]
    list [llength $ld] [dict size $ld] [llength $ld]
} -cleanup {
    unset ld
} -result {8 3 8}

# This is a test for a specific bug.
# It shows a bad ref counter when running with memdebug on.
test dict-19.1 {memory bug} {
    apply {{} {
        set successors [dict create x {c d}]
        dict set successors x a b
        dict get $successors x
    }}
} [dict create c d a b]
test dict-19.2 {dict: testing for leaks} -constraints memory -body {
    # This test is made to stress object reference management
    memtest {
	apply {{} {
	    # A shared invalid dictinary
	    set apa {a {}b c d}
	    set bepa $apa
	    catch {dict replace $apa e f}
	    catch {dict remove  $apa c d}
	    catch {dict incr    apa  a 5}
	    catch {dict lappend apa  a 5}
	    catch {dict append  apa  a 5}
	    catch {dict set     apa  a 5}
	    catch {dict unset   apa  a}

	    # A shared valid dictionary, invalid incr
	    set apa {a b c d}
	    set bepa $apa
	    catch {dict incr bepa a 5}

	    # An error during write to an unshared object, incr
	    set apa {a 1 b 2}
	    set bepa [lrange $apa 0 end]
	    trace add variable bepa write {error hej}
	    catch {dict incr bepa a 5}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # An error during write to a shared object, incr
	    set apa {a 1 b 2}
	    set bepa $apa
	    trace add variable bepa write {error hej}
	    catch {dict incr bepa a 5}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # A shared valid dictionary, invalid lappend
	    set apa [list a {{}b} c d]
	    set bepa $apa
	    catch {dict lappend bepa a 5}

	    # An error during write to an unshared object, lappend
	    set apa {a 1 b 2}
	    set bepa [lrange $apa 0 end]
	    trace add variable bepa write {error hej}
	    catch {dict lappend bepa a 5}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # An error during write to a shared object, lappend
	    set apa {a 1 b 2}
	    set bepa $apa
	    trace add variable bepa write {error hej}
	    catch {dict lappend bepa a 5}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # An error during write to an unshared object, append
	    set apa {a 1 b 2}
	    set bepa [lrange $apa 0 end]
	    trace add variable bepa write {error hej}
	    catch {dict append bepa a 5}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # An error during write to a shared object, append
	    set apa {a 1 b 2}
	    set bepa $apa
	    trace add variable bepa write {error hej}
	    catch {dict append bepa a 5}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # An error during write to an unshared object, set
	    set apa {a 1 b 2}
	    set bepa [lrange $apa 0 end]
	    trace add variable bepa write {error hej}
	    catch {dict set bepa a 5}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # An error during write to a shared object, set
	    set apa {a 1 b 2}
	    set bepa $apa
	    trace add variable bepa write {error hej}
	    catch {dict set bepa a 5}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # An error during write to an unshared object, unset
	    set apa {a 1 b 2}
	    set bepa [lrange $apa 0 end]
	    trace add variable bepa write {error hej}
	    catch {dict unset bepa a}
	    trace remove variable bepa write {error hej}
	    unset bepa

	    # An error during write to a shared object, unset
	    set apa {a 1 b 2}
	    set bepa $apa
	    trace add variable bepa write {error hej}
	    catch {dict unset bepa a}
	    trace remove variable bepa write {error hej}
	    unset bepa
	}}
    }
} -result 0
test dict-19.3 {testing for leaks - Bug 2874678} -constraints memory -body {
    set d aDictVar; # Force interpreted [dict incr]
    memtest {
	dict incr $d aKey 0
	unset $d
    }
} -cleanup {
    unset d
} -result 0

test dict-20.1 {dict merge command} {
    dict merge
} {}
test dict-20.2 {dict merge command} {
    dict merge {a b c d e f}
} {a b c d e f}
test dict-20.3 {dict merge command} -body {
    dict merge {a b c d e}
} -result {missing value to go with key} -returnCodes error
test dict-20.4 {dict merge command} {
    dict merge {a b c d} {e f g h}
} {a b c d e f g h}
test dict-20.5 {dict merge command} -body {
    dict merge {a b c d e} {e f g h}
} -result {missing value to go with key} -returnCodes error
test dict-20.6 {dict merge command} -body {
    dict merge {a b c d} {e f g h i}
} -result {missing value to go with key} -returnCodes error
test dict-20.7 {dict merge command} {
    dict merge {a b c d e f} {e x g h}
} {a b c d e x g h}
test dict-20.8 {dict merge command} {
    dict merge {a b c d} {a x c y}
} {a x c y}
test dict-20.9 {dict merge command} {
    dict merge {a b c d} {c y a x}
} {a x c y}
test dict-20.10 {dict merge command} {
    dict merge {a b c d e f} {a x 1 2 3 4} {a - 1 -}
} {a - c d e f 1 - 3 4}
test dict-20.11 {dict merge command} {
    apply {{} {dict merge}}
} {}
test dict-20.12 {dict merge command} {
    apply {{} {dict merge {a b c d e f}}}
} {a b c d e f}
test dict-20.13 {dict merge command} -body {
    apply {{} {dict merge {a b c d e}}}
} -result {missing value to go with key} -returnCodes error
test dict-20.14 {dict merge command} {
    apply {{} {dict merge {a b c d} {e f g h}}}
} {a b c d e f g h}
test dict-20.15 {dict merge command} -body {
    apply {{} {dict merge {a b c d e} {e f g h}}}
} -result {missing value to go with key} -returnCodes error
test dict-20.16 {dict merge command} -body {
    apply {{} {dict merge {a b c d} {e f g h i}}}
} -result {missing value to go with key} -returnCodes error
test dict-20.17 {dict merge command} {
    apply {{} {dict merge {a b c d e f} {e x g h}}}
} {a b c d e x g h}
test dict-20.18 {dict merge command} {
    apply {{} {dict merge {a b c d} {a x c y}}}
} {a x c y}
test dict-20.19 {dict merge command} {
    apply {{} {dict merge {a b c d} {c y a x}}}
} {a x c y}
test dict-20.20 {dict merge command} {
    apply {{} {dict merge {a b c d e f} {a x 1 2 3 4} {a - 1 -}}}
} {a - c d e f 1 - 3 4}

test dict-21.1 {dict update command} -returnCodes 1 -body {
    dict update
} -result {wrong # args: should be "dict update varName key varName ?key varName ...? script"}
test dict-21.2 {dict update command} -returnCodes 1 -body {
    dict update v
} -result {wrong # args: should be "dict update varName key varName ?key varName ...? script"}
test dict-21.3 {dict update command} -returnCodes 1 -body {
    dict update v k
} -result {wrong # args: should be "dict update varName key varName ?key varName ...? script"}
test dict-21.4 {dict update command} -returnCodes 1 -body {
    dict update v k v
} -result {wrong # args: should be "dict update varName key varName ?key varName ...? script"}
test dict-21.5 {dict update command} -body {
    set a {b c}
    set result {}
    set bb {}
    dict update a b bb {
	lappend result $a $bb
    }
    lappend result $a
} -cleanup {
    unset a result bb
} -result {{b c} c {b c}}
test dict-21.6 {dict update command} -body {
    set a {b c}
    set result {}
    set bb {}
    dict update a b bb {
	lappend result $a $bb [set bb d]
    }
    lappend result $a
} -cleanup {
    unset a result bb
} -result {{b c} c d {b d}}
test dict-21.7 {dict update command} -body {
    set a {b c}
    set result {}
    set bb {}
    dict update a b bb {
	lappend result $a $bb [unset bb]
    }
    lappend result $a
} -cleanup {
    unset a result
} -result {{b c} c {} {}}
test dict-21.8 {dict update command} -body {
    set a {b c d e}
    dict update a b v1 d v2 {
	lassign "$v1 $v2" v2 v1
    }
    return $a
} -cleanup {
    unset a v1 v2
} -result {b e d c}
test dict-21.9 {dict update command} -body {
    set a {b c d e}
    dict update a b v1 d v2 {unset a}
    info exist a
} -cleanup {
    unset v1 v2
} -result 0
test dict-21.10 {dict update command} -body {
    set a {b {c d}}
    dict update a b v1 {
	dict update v1 c v2 {
	    set v2 foo
	}
    }
    return $a
} -cleanup {
    unset a v1 v2
} -result {b {c foo}}
test dict-21.11 {dict update command} -body {
    set a {b c d e}
    dict update a b v1 d v2 {
	dict set a f g
    }
    return $a
} -cleanup {
    unset a v1 v2
} -result {b c d e f g}
test dict-21.12 {dict update command} -body {
    set a {b c d e}
    dict update a b v1 d v2 f v3 {
	set v3 g
    }
    return $a
} -cleanup {
    unset a v1 v2 v3
} -result {b c d e f g}
test dict-21.13 {dict update command: compilation} {
    apply {d {
	while 1 {
	    dict update d a alpha b beta {
		set beta $alpha
		unset alpha
		break
	    }
	}
	return $d
    }} {a 1 c 2}
} {c 2 b 1}
test dict-21.14 {dict update command: compilation} {
    apply {x {
	set indices {2 3}
	trace add variable aa write "string length \$indices ;#"
	dict update x k aa l bb {}
    }} {k 1 l 2}
} {}
test dict-21.15 {dict update command: compilation} {
    apply {x {
	set indices {2 3}
	trace add variable aa read "string length \$indices ;#"
	dict update x k aa l bb {}
    }} {k 1 l 2}
} {}
test dict-21.16 {dict update command: no recursive structures [Bug 1786481]} -body {
    set foo {a {b {c {d {e 1}}}}}
    dict update foo a t {
	dict update t b t {
	    dict update t c t {
		dict update t d t {
		    dict incr t e
		}
	    }
	}
    }
    string range [append foo OK] end-1 end
} -cleanup {
    unset foo t
} -result OK
test dict-21.17 {dict update command: no recursive structures [Bug 1786481]} {
    apply {{} {
	set foo {a {b {c {d {e 1}}}}}
	dict update foo a t {
	    dict update t b t {
		dict update t c t {
		    dict update t d t {
			dict incr t e
		    }
		}
	    }
	}
	string range [append foo OK] end-1 end
    }}
} OK

test dict-22.1 {dict with command} -body {
    dict with
} -returnCodes 1 -result {wrong # args: should be "dict with dictVar ?key ...? script"}
test dict-22.2 {dict with command} -body {
    dict with v
} -returnCodes 1 -result {wrong # args: should be "dict with dictVar ?key ...? script"}
test dict-22.3 {dict with command} -body {
    unset -nocomplain v
    dict with v {error "in body"}
} -returnCodes 1 -result {can't read "v": no such variable}
test dict-22.4 {dict with command} -body {
    set a {b c d e}
    unset -nocomplain b d
    set result [list [info exist b] [info exist d]]
    dict with a {
	lappend result [info exist b] [info exist d] $b $d
    }
    return $result
} -cleanup {
    unset a b d result
} -result {0 0 1 1 c e}
test dict-22.5 {dict with command} -body {
    set a {b c d e}
    dict with a {
	lassign "$b $d" d b
    }
    return $a
} -cleanup {
    unset a b d
} -result {b e d c}
test dict-22.6 {dict with command} -body {
    set a {b c d e}
    dict with a {
	unset b
	# This *won't* go into the dict...
	set f g
    }
    return $a
} -cleanup {
    unset a d f
} -result {d e}
test dict-22.7 {dict with command} -body {
    set a {b c d e}
    dict with a {
	dict unset a b
    }
    return $a
} -cleanup {
    unset a
} -result {d e b c}
test dict-22.8 {dict with command} -body {
    set a [dict create b c]
    dict with a {
	set b $a
    }
    return $a
} -cleanup {
    unset a b
} -result {b {b c}}
test dict-22.9 {dict with command} -body {
    set a {b {c d}}
    dict with a b {
	set c $c$c
    }
    return $a
} -cleanup {
    unset a c
} -result {b {c dd}}
test dict-22.10 {dict with command: result handling tricky case} -body {
    set a {b {c d}}
    foreach i {0 1} {
	if {$i} break
	dict with a b {
	    set a {}
	    # We're checking to see if we lose this break
	    break
	}
    }
    list $i $a
} -cleanup {
    unset a i c
} -result {0 {}}
test dict-22.11 {dict with command: no recursive structures [Bug 1786481]} -body {
    set foo {t {t {t {inner 1}}}}
    dict with foo {
	dict with t {
	    dict with t {
		dict with t {
		    incr inner
		}
	    }
	}
    }
    string range [append foo OK] end-1 end
} -cleanup {
    unset foo t inner
} -result OK
test dict-22.12 {dict with: compiled} {
    apply {{} {
	set d {a 1 b 2}
	list [dict with d {
	    set a $b
	    unset b
	    dict set d c 3
	    list ok
	}] $d
    }}
} {ok {a 2 c 3}}
test dict-22.13 {dict with: compiled} {
    apply {i {
	set d($i) {a 1 b 2}
	list [dict with d($i) {
	    set a $b
	    unset b
	    dict set d($i) c 3
	    list ok
	}] [array get d]
    }} e
} {ok {e {a 2 c 3}}}
test dict-22.14 {dict with: compiled} {
    apply {{} {
	set d {a 1 b 2}
	foreach x {1 2 3} {
	    dict with d {
		incr a $b
		if {$x == 2} break
	    }
	    unset a b
	}
	list $a $b $x $d
    }}
} {5 2 2 {a 5 b 2}}
test dict-22.15 {dict with: compiled} {
    apply {i {
	set d($i) {a 1 b 2}
	foreach x {1 2 3} {
	    dict with d($i) {
		incr a $b
		if {$x == 2} break
	    }
	    unset a b
	}
	list $a $b $x [array get d]
    }} e
} {5 2 2 {e {a 5 b 2}}}
test dict-22.16 {dict with: compiled} {
    apply {{} {
	set d {p {q {a 1 b 2}}}
	dict with d p q {
	    set a $b.$a
	}
	return $d
    }}
} {p {q {a 2.1 b 2}}}
test dict-22.17 {dict with: compiled} {
    apply {i {
	set d($i) {p {q {a 1 b 2}}}
	dict with d($i) p q {
	    set a $b.$a
	}
	array get d
    }} e
} {e {p {q {a 2.1 b 2}}}}
test dict-22.18 {dict with: compiled} {
    set ::d {a 1 b 2}
    apply {{} {
	dict with ::d {
	    set a $b.$a
	}
	return $::d
    }}
} {a 2.1 b 2}
test dict-22.19 {dict with: compiled} {
    set ::d {p {q {r {a 1 b 2}}}}
    apply {{} {
	dict with ::d p q r {
	    set a $b.$a
	}
	return $::d
    }}
} {p {q {r {a 2.1 b 2}}}}
test dict-22.20 {dict with: compiled} {
    apply {d {
	dict with d {
	}
	return $a,$b
    }} {a 1 b 2}
} 1,2
test dict-22.21 {dict with: compiled} {
    apply {d {
	dict with d p q {
	}
	return $a,$b
    }} {p {q {a 1 b 2}}}
} 1,2
test dict-22.22 {dict with: compiled} {
    set ::d {a 1 b 2}
    apply {{} {
	dict with ::d {
	}
	return $a,$b
    }}
} 1,2
test dict-22.23 {dict with: compiled} {
    set ::d {p {q {a 1 b 2}}}
    apply {{} {
	dict with ::d p q {
	}
	return $a,$b
    }}
} 1,2

proc linenumber {} {
    dict get [info frame -1] line
}
test dict-23.1 {dict compilation crash: Bug 3487626} {
    apply {{} {apply {n {
	set e {}
	set k {}
	dict for {a b} {c {d {e {f g}}}} {
	    ::tcl::dict::for {h i} $b {
		dict update i e j {
		    ::tcl::dict::update j f k {
			return [expr {$n - [linenumber]}]
		    }
		}
	    }
	}
    }} [linenumber]}}
} 5
test dict-23.2 {dict compilation crash: Bug 3487626} knownBug {
    # Something isn't quite right in line number and continuation line
    # tracking; at time of writing, this test produces 7, not 5, which
    # indicates that the extra newlines in the non-script argument are
    # confusing things.
    apply {{} {apply {n {
	set e {}
	set k {}
	dict for {a {
b
}} {c {d {e {f g}}}} {
	    ::tcl::dict::for {h {
i
}} ${
b
} {
		dict update {
i
} e {
j
} {
		    ::tcl::dict::update {
j
} f k {
			return [expr {$n - [linenumber]}]
		    }
		}
	    }
	}
    }} [linenumber]}}
} 5
rename linenumber {}

test dict-24.1 {dict map command: syntax} -returnCodes error -body {
    dict map
} -result {wrong # args: should be "dict map {keyVar valueVar} dictionary script"}
test dict-24.2 {dict map command: syntax} -returnCodes error -body {
    dict map x
} -result {wrong # args: should be "dict map {keyVar valueVar} dictionary script"}
test dict-24.3 {dict map command: syntax} -returnCodes error -body {
    dict map x x
} -result {wrong # args: should be "dict map {keyVar valueVar} dictionary script"}
test dict-24.4 {dict map command: syntax} -returnCodes error -body {
    dict map x x x x
} -result {wrong # args: should be "dict map {keyVar valueVar} dictionary script"}
test dict-24.5 {dict map command: syntax} -returnCodes error -body {
    dict map x x x
} -result {must have exactly two variable names}
test dict-24.6 {dict map command: syntax} -returnCodes error -body {
    dict map {x x x} x x
} -result {must have exactly two variable names}
test dict-24.7 {dict map command: syntax} -returnCodes error -body {
    dict map "\{x" x x
} -result {unmatched open brace in list}
test dict-24.8 {dict map command} -setup {
    set values {}
    set keys {}
} -body {
    # This test confirms that [dict keys], [dict values] and [dict map]
    # all traverse a dictionary in the same order.
    set dictv {a A b B c C}
    dict map {k v} $dictv {
	lappend keys $k
	lappend values $v
    }
    set result [expr {
	$keys eq [dict keys $dictv] && $values eq [dict values $dictv]
    }]
    expr {$result ? "YES" : [list "NO" $dictv $keys $values]}
} -cleanup {
    unset result keys values k v dictv
} -result YES
test dict-24.9 {dict map command} {
    dict map {k v} {} {
	error "unexpected execution of 'dict map' body"
    }
} {}
test dict-24.10 {dict map command: script results} -body {
    set times 0
    dict map {k v} {a a b b} {
	incr times
	continue
	error "shouldn't get here"
    }
    return $times
} -cleanup {
    unset times k v
} -result 2
test dict-24.11 {dict map command: script results} -body {
    set times 0
    dict map {k v} {a a b b} {
	incr times
	break
	error "shouldn't get here"
    }
    return $times
} -cleanup {
    unset times k v
} -result 1
test dict-24.12 {dict map command: script results} -body {
    set times 0
    list [catch {
	dict map {k v} {a a b b} {
	    incr times
	    error test
	}
    } msg] $msg $times $::errorInfo
} -cleanup {
    unset times k v msg
} -result {1 test 1 {test
    while executing
"error test"
    ("dict map" body line 3)
    invoked from within
"dict map {k v} {a a b b} {
	    incr times
	    error test
	}"}}
test dict-24.13 {dict map command: script results} {
    apply {{} {
	dict map {k v} {a b} {
	    return ok,$k,$v
	    error "skipped return completely"
	}
	error "return didn't go far enough"
    }}
} ok,a,b
test dict-24.14 {dict map command: handle representation loss} -setup {
    set keys {}
    set values {}
} -body {
    set dictVar {a b c d e f g h}
    list [dict size [dict map {k v} $dictVar {
	if {[llength $dictVar]} {
	    lappend keys $k
	    lappend values $v
	    return -level 0 $k
	}
    }]] [lsort $keys] [lsort $values]
} -cleanup {
    unset dictVar keys values k v
} -result {4 {a c e g} {b d f h}}
test dict-24.14a {dict map command: handle representation loss} -body {
    apply {{} {
	set dictVar {a b c d e f g h}
	list [dict size [dict map {k v} $dictVar {
	    if {[llength $dictVar]} {
		lappend keys $k
		lappend values $v
		return -level 0 $k
	    }
	}]] [lsort $keys] [lsort $values]
    }}
} -result {4 {a c e g} {b d f h}}
test dict-24.15 {dict map command: keys are unique and iterated over once only} -setup {
    unset -nocomplain accum
    array set accum {}
} -body {
    set dictVar {a1 a a2 b b1 c b2 d foo bar bar foo}
    dict map {k v} $dictVar {
	append accum($k) $v,
    }
    set result [lsort [array names accum]]
    lappend result :
    foreach k $result {
	catch {lappend result $accum($k)}
    }
    return $result
} -cleanup {
    unset dictVar k v result accum
} -result {a1 a2 b1 b2 bar foo : a, b, c, d, foo, bar,}
test dict-24.16 {dict map command in compilation context} {
    apply {{} {
	set res {x x x x x x}
	dict map {k v} {a 0 b 1 c 2 d 3 e 4 f 5} {
	    lset res $v $k
	    continue
	}
	return $res
    }}
} {a b c d e f}
test dict-24.17 {dict map command in compilation context} {
    # Bug 1379349 (dict for)
    apply {{} {
	set d [dict create a 1]		;# Dict must be unshared!
	dict map {k v} $d {
	    dict set d $k 0		;# Any modification will do
	}
	return $d
    }}
} {a 0}
test dict-24.17a {dict map command in compilation context} {
    # Bug 1379349 (dict for)
    apply {{} {
	set d [dict create a 1]		;# Dict must be unshared!
	dict map {k v} $d {
	    dict set d $k 0		;# Any modification will do
	}
    }}
} {a {a 0}}
test dict-24.18 {dict map command in compilation context} {
    # Bug 1382528 (dict for)
    apply {{} {
	dict map {k v} {} {}		;# Note empty dict
	catch { error foo }		;# Note compiled [catch]
    }}
} 1
test dict-24.19 {dict map and invalid dicts: 'dict for' bug 1531184} -body {
    di[list]ct map {k v} x {}
} -returnCodes 1 -result {missing value to go with key}
test dict-24.20 {dict map stack space compilation: 'dict for' bug 1903325} {
    apply {{x y args} {
	dict map {a b} $x {}
	concat "c=$y,$args"
    }} {} 1 2 3
} {c=1,2 3}
proc linenumber {} {
    dict get [info frame -1] line
}
test dict-24.20.1 {dict compilation crash: 'dict for' bug 3487626} {
    apply {{} {apply {n {
	set e {}
	set k {}
	dict map {a b} {c {d {e {f g}}}} {
	    ::tcl::dict::map {h i} $b {
		dict update i e j {
		    ::tcl::dict::update j f k {
			return [expr {$n - [linenumber]}]
		    }
		}
	    }
	}
    }} [linenumber]}}
} 5
test dict-24.21 {dict compilation crash: 'dict for' bug 3487626} knownBug {
    apply {{} {apply {n {
	set e {}
	set k {}
	dict map {a {
b
}} {c {d {e {f g}}}} {
	    ::tcl::dict::map {h {
i
}} ${
b
} {
		dict update {
i
} e {
j
} {
		    ::tcl::dict::update {
j
} f k {
			return [expr {$n - [linenumber]}]
		    }
		}
	    }
	}
    }} [linenumber]}}
} 5
rename linenumber {}
test dict-24.22 {dict map results (non-compiled)} {
    dict map {k v} [dict map {k v} {a 1 b 2 c 3 d 4} { list $v $k }] {
	return -level 0 "$k,$v"
    }
} {a {a,1 a} b {b,2 b} c {c,3 c} d {d,4 d}}
test dict-24.23 {dict map results (compiled)} {
    apply {{} {
	dict map {k v} [dict map {k v} {a 1 b 2 c 3 d 4} { list $v $k }] {
	    return -level 0 "$k,$v"
	}
    }}
} {a {a,1 a} b {b,2 b} c {c,3 c} d {d,4 d}}
test dict-24.23a {dict map results (compiled)} {
    apply {{list} {
	dict map {k v} [dict map {k v} $list { list $v $k }] {
	    return -level 0 "$k,$v"
	}
    }} {a 1 b 2 c 3 d 4}
} {a {a,1 a} b {b,2 b} c {c,3 c} d {d,4 d}}
test dict-24.24 {dict map with huge dict (non-compiled)} {
    tcl::mathop::+ {*}[dict map {k v} [lsearch -all [lrepeat 100000 x] x] {
	expr { $k * $v }
    }]
} 166666666600000
test dict-24.25 {dict map with huge dict (compiled)} {
    apply {{n} {
	tcl::mathop::+ {*}[dict map {k v} [lsearch -all [lrepeat $n y] y] {
	    expr { $k * $v }
	}]
    }} 100000
} 166666666600000


# cleanup
::tcltest::cleanupTests
return

# Local Variables:
# mode: tcl
# End: