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#
# $Id: treeview.test,v 1.3 2008/01/06 19:16:12 jenglish Exp $
#
# [7Jun2005] TO CHECK: [$tv see {}] -- shouldn't work (at least, shouldn't do
# what it currently does)
#

package require Tk 8.5
package require tcltest ; namespace import -force tcltest::*
loadTestedCommands

# consistencyCheck --
#	Traverse the tree to make sure the item data structures
#	are properly linked.
#
#	Since [$tv children] follows ->next links and [$tv index]
#	follows ->prev links, this should cover all invariants.
#
proc consistencyCheck {tv {item {}}} {
    set i 0;
    foreach child [$tv children $item] {
	assert {[$tv parent $child] == $item} "parent $child = $item"
	assert {[$tv index $child] == $i} "index $child [$tv index $child]=$i"
	incr i
	consistencyCheck $tv $child
    }
}

proc assert {expr {message ""}} {
    if {![uplevel 1 [list expr $expr]]} {
        set error "PANIC! PANIC! PANIC: $message ($expr failed)"
    	puts stderr $error
	error $error
    }
}

test treeview-0 "treeview test - setup" -body {
    ttk::treeview .tv -columns {a b c}
    pack .tv -expand true -fill both
    update
}

test treeview-1.1 "columns" -body {
    .tv configure -columns {a b c}
}

test treeview-1.2 "Bad columns" -body {
    #.tv configure -columns {illegal "list"value}
    ttk::treeview .badtv -columns {illegal "list"value}
} -returnCodes 1 -result "list element in quotes followed by*" -match glob

test treeview-1.3 "bad displaycolumns" -body {
    .tv configure -displaycolumns {a b d}
} -returnCodes 1 -result "Invalid column index d"

test treeview-1.4 "more bad displaycolumns" -body {
    .tv configure -displaycolumns {1 2 3}
} -returnCodes 1 -result "Column index 3 out of bounds"

test treeview-1.5 "Don't forget to check negative numbers" -body {
    .tv configure -displaycolumns {1 -2 3}
} -returnCodes 1 -result "Column index -2 out of bounds"

# Item creation.
#
test treeview-2.1 "insert -- not enough args" -body {
    .tv insert
} -returnCodes 1 -result "wrong # args: *" -match glob

test treeview-2.3 "insert -- bad integer index" -body {
    .tv insert {} badindex
} -returnCodes 1 -result "expected integer *" -match glob

test treeview-2.4 "insert -- bad parent node" -body {
    .tv insert badparent end
} -returnCodes 1 -result "Item badparent not found" -match glob

test treeview-2.5 "insert -- finaly insert a node" -body {
    .tv insert {} end -id newnode -text "New node"
} -result newnode

test treeview-2.6 "insert -- make sure node was inserted" -body {
    .tv children {}
} -result [list newnode]

test treeview-2.7 "insert -- prevent duplicate node names" -body {
    .tv insert {} end -id newnode
} -returnCodes 1 -result "Item newnode already exists"

test treeview-2.8 "insert -- new node at end" -body {
    .tv insert {} end -id lastnode
    consistencyCheck .tv
    .tv children {}
} -result [list newnode lastnode]

consistencyCheck .tv

test treeview-2.9 "insert -- new node at beginning" -body {
    .tv insert {} 0 -id firstnode
    consistencyCheck .tv
    .tv children {}
} -result [list firstnode newnode lastnode]

test treeview-2.10 "insert -- one more node" -body {
    .tv insert {} 2 -id onemore
    consistencyCheck .tv
    .tv children {}
} -result [list firstnode newnode onemore lastnode]

test treeview-2.11 "insert -- and another one" -body {
    .tv insert {} 2 -id anotherone
    consistencyCheck .tv
    .tv children {}
} -result [list firstnode newnode anotherone onemore lastnode]

test treeview-2.12 "insert -- one more at end" -body {
    .tv insert {} end -id newlastone
    consistencyCheck .tv
    .tv children {}
} -result [list firstnode newnode anotherone onemore lastnode newlastone]

test treeview-2.13 "insert -- one more at beginning" -body {
    .tv insert {} 0 -id newfirstone
    consistencyCheck .tv
    .tv children {}
} -result [list newfirstone firstnode newnode anotherone onemore lastnode newlastone]

test treeview-2.14 "insert -- bad options" -body {
    .tv insert {} end -badoption foo
} -returnCodes 1 -result {unknown option "-badoption"}

test treeview-2.15 "insert -- at position 0 w/no children" -body {
    .tv insert newnode 0 -id newnode.n2 -text "Foo"
    .tv children newnode
} -result newnode.n2	;# don't crash

test treeview-2.16 "insert -- insert way past end" -body {
    .tv insert newnode 99 -id newnode.n3 -text "Foo"
    consistencyCheck .tv
    .tv children newnode
} -result [list newnode.n2 newnode.n3]

test treeview-2.17 "insert -- insert before beginning" -body {
    .tv insert newnode -1 -id newnode.n1 -text "Foo"
    consistencyCheck .tv
    .tv children newnode
}  -result [list newnode.n1 newnode.n2 newnode.n3]

###
#
test treeview-3.1 "parent" -body {
    .tv parent newnode.n1
} -result newnode
test treeview-3.2 "parent - top-level node" -body {
    .tv parent newnode
} -result {}
test treeview-3.3 "parent - root node" -body {
    .tv parent {}
} -result {}
test treeview-3.4 "index" -body {
    list [.tv index newnode.n3] [.tv index newnode.n2] [.tv index newnode.n1]
} -result [list 2 1 0]
test treeview-3.5 "index - exhaustive test" -body {
    set result [list]
    foreach item [.tv children {}] {
	lappend result [.tv index $item]
    }
    set result
} -result [list 0 1 2 3 4 5 6]

test treeview-3.6 "detach" -body {
    .tv detach newnode
    consistencyCheck .tv
    .tv children {}
} -result [list newfirstone firstnode anotherone onemore lastnode newlastone]
# XREF: treeview-2.13

test treeview-3.7 "detach didn't screw up internal links" -body {
    consistencyCheck .tv
    set result [list]
    foreach item [.tv children {}] {
	lappend result [.tv index $item]
    }
    set result
} -result [list 0 1 2 3 4 5]

test treeview-3.8 "detached node has no parent, index 0" -body {
    list [.tv parent newnode] [.tv index newnode]
} -result [list {} 0]
# @@@ Can't distinguish detached nodes from first root node

test treeview-3.9 "detached node's children undisturbed" -body {
    .tv children newnode
} -result [list newnode.n1 newnode.n2 newnode.n3]

test treeview-3.10 "detach is idempotent" -body {
    .tv detach newnode
    consistencyCheck .tv
    .tv children {}
} -result [list newfirstone firstnode anotherone onemore lastnode newlastone]

test treeview-3.11 "Can't detach root item" -body {
    .tv detach [list {}]
    update
    consistencyCheck .tv
} -returnCodes 1 -result "Cannot detach root item"
consistencyCheck .tv

test treeview-3.12 "Reattach" -body {
    .tv move newnode {} end
    consistencyCheck .tv
    .tv children {}
} -result [list newfirstone firstnode anotherone onemore lastnode newlastone newnode]

# Bug # ?????
test treeview-3.13 "Re-reattach" -body {
    .tv move newnode {} end
    consistencyCheck .tv
    .tv children {}
} -result [list newfirstone firstnode anotherone onemore lastnode newlastone newnode]

catch {
    .tv insert newfirstone end -id x1
    .tv insert newfirstone end -id x2
    .tv insert newfirstone end -id x3
}

test treeview-3.14 "Duplicated entry in children list" -body {
    .tv children newfirstone [list x3 x1 x2 x3]
    # ??? Maybe this should raise an error?
    consistencyCheck .tv
    .tv children newfirstone
} -result [list x3 x1 x2]

test treeview-3.14.1 "Duplicated entry in children list" -body {
    .tv children newfirstone [list x1 x2 x3 x3 x2 x1]
    consistencyCheck .tv
    .tv children newfirstone
} -result [list x1 x2 x3]

test treeview-3.15 "Consecutive duplicate entries in children list" -body {
    .tv children newfirstone [list x1 x2 x2 x3]
    consistencyCheck .tv
    .tv children newfirstone
} -result [list x1 x2 x3]

test treeview-3.16 "Insert child after self" -body {
    .tv move x2 newfirstone 1 
    consistencyCheck .tv
    .tv children newfirstone
} -result [list x1 x2 x3]

test treeview-3.17 "Insert last child after self" -body {
    .tv move x3 newfirstone 2
    consistencyCheck .tv
    .tv children newfirstone
} -result [list x1 x2 x3]

test treeview-3.18 "Insert last child after end" -body {
    .tv move x3 newfirstone 3
    consistencyCheck .tv
    .tv children newfirstone
} -result [list x1 x2 x3]


test treeview-4.1 "opened - initial state" -body {
    .tv item newnode -open
} -result 0
test treeview-4.2 "opened - open node" -body {
    .tv item newnode -open 1
    .tv item newnode -open
} -result 1
test treeview-4.3 "opened - closed node" -body {
    .tv item newnode -open 0
    .tv item newnode -open
} -result 0

test treeview-5.1 "item -- error checks" -body {
    .tv item newnode -text "Bad values" -values "{bad}list"
} -returnCodes 1 -result "list element in braces followed by*" -match glob

test treeview-5.2 "item -- error leaves options unchanged " -body {
    .tv item newnode -text
} -result "New node"

test treeview-5.3 "Heading" -body {
    .tv heading #0 -text "Heading"
}

test treeview-5.4 "get cell" -body {
    set l [list a b c]
    .tv item newnode -values $l
    .tv set newnode 1 
} -result b

test treeview-5.5 "set cell" -body {
    .tv set newnode 1 XXX
    .tv item newnode -values 
} -result [list a XXX c]

test treeview-5.6 "set illegal cell" -body {
    .tv set newnode #0 YYY
} -returnCodes 1 -result "Display column #0 cannot be set"

test treeview-5.7 "set illegal cell" -body {
    .tv set newnode 3 YY	;# 3 == current #columns
} -returnCodes 1 -result "Column index 3 out of bounds"

test treeview-5.8 "set display columns" -body {
    .tv configure -displaycolumns [list 2 1 0]
    .tv set newnode #1 X
    .tv set newnode #2 Y
    .tv set newnode #3 Z
    .tv item newnode -values
} -result [list Z Y X]

test treeview-5.9 "display columns part 2" -body {
    list [.tv column #1 -id] [.tv column #2 -id] [.tv column #3 -id]
} -result [list c b a]

test treeview-5.10 "cannot set column -id" -body {
    .tv column #1 -id X
} -returnCodes 1 -result "Attempt to change read-only option"

test treeview-5.11 "get" -body {
    .tv set newnode #1
} -result X

test treeview-5.12 "get dictionary" -body {
    .tv set newnode
} -result [list a Z b Y c X]

test treeview-5.13 "get, no value" -body {
    set newitem [.tv insert {} end]
    set result [.tv set $newitem #1]
    .tv delete $newitem
    set result
} -result {}


test treeview-6.1 "deletion - setup" -body {
    .tv insert {} end -id dtest
    foreach id [list a b c d e] {
	.tv insert dtest end -id $id
    }
    .tv children dtest
} -result [list a b c d e]

test treeview-6.1.1 "delete" -body {
    .tv delete b
    consistencyCheck .tv
    list [.tv exists b] [.tv children dtest]
} -result [list 0 [list a c d e]]

consistencyCheck .tv

test treeview-6.2 "delete - duplicate items in list" -body {
    .tv delete [list a e a e]
    consistencyCheck .tv
    .tv children dtest
} -result [list c d]

test treeview-6.3 "delete - descendants removed" -body {
    .tv insert c  end -id c1
    .tv insert c  end -id c2
    .tv insert c1 end -id c11
    consistencyCheck .tv
    .tv delete c
    consistencyCheck .tv
    list [.tv exists c] [.tv exists c1] [.tv exists c2] [.tv exists c11]
} -result [list 0 0 0 0]

test treeview-6.4 "delete - delete parent and descendants" -body {
    .tv insert dtest end -id c
    .tv insert c  end -id c1
    .tv insert c  end -id c2
    .tv insert c1 end -id c11
    consistencyCheck .tv
    .tv delete [list c c1 c2 c11]
    consistencyCheck .tv
    list [.tv exists c] [.tv exists c1] [.tv exists c2] [.tv exists c11]
} -result [list 0 0 0 0]

test treeview-6.5 "delete - delete descendants and parent" -body {
    .tv insert dtest end -id c
    .tv insert c  end -id c1
    .tv insert c  end -id c2
    .tv insert c1 end -id c11
    consistencyCheck .tv
    .tv delete [list c11 c1 c2 c]
    consistencyCheck .tv
    list [.tv exists c] [.tv exists c1] [.tv exists c2] [.tv exists c11]
} -result [list 0 0 0 0]

test treeview-6.6 "delete - end" -body {
    consistencyCheck .tv
    .tv children dtest
} -result [list d]

test treeview-7.1 "move" -body {
    .tv insert d end -id d1
    .tv insert d end -id d2
    .tv insert d end -id d3
    .tv move d3 d 0
    consistencyCheck .tv
    .tv children d
} -result [list d3 d1 d2]

test treeview-7.2 "illegal move" -body {
   .tv move d d2 end
} -returnCodes 1 -result "Cannot insert d as a descendant of d2" 

test treeview-7.3 "illegal move has no effect" -body {
    consistencyCheck .tv
    .tv children d 
} -result [list d3 d1 d2]

test treeview-7.4 "Replace children" -body {
    .tv children d [list d3 d2 d1]
    consistencyCheck .tv
    .tv children d
} -result [list d3 d2 d1]

test treeview-7.5 "replace children - precondition" -body {
    # Just check to make sure the test suite so far has left
    # us in the state we expect to be in:
    list [.tv parent newnode] [.tv children newnode]
} -result [list {} [list newnode.n1 newnode.n2 newnode.n3]]

test treeview-7.6 "Replace children - illegal move" -body {
    .tv children newnode.n1 [list newnode.n1 newnode.n2 newnode.n3]
} -returnCodes 1 -result "Cannot insert newnode.n1 as a descendant of newnode.n1"

consistencyCheck .tv

test treeview-8.0 "Selection set" -body {
    .tv selection set [list newnode.n1 newnode.n3 newnode.n2]
    .tv selection
} -result [list newnode.n1 newnode.n2 newnode.n3]

test treeview-8.1 "Selection add" -body {
    .tv selection add [list newnode]
    .tv selection
} -result [list newnode newnode.n1 newnode.n2 newnode.n3]

test treeview-8.2 "Selection toggle" -body {
    .tv selection toggle [list newnode.n2 d3]
    .tv selection
} -result [list newnode newnode.n1 newnode.n3 d3]

test treeview-8.3 "Selection remove" -body {
    .tv selection remove [list newnode.n2 d3]
    .tv selection
} -result [list newnode newnode.n1 newnode.n3]

test treeview-8.4 "Selection - clear" -body {
    .tv selection set {}
    .tv selection
} -result {}

test treeview-8.5 "Selection - bad operation" -body {
    .tv selection badop foo
} -returnCodes 1 -match glob -result {bad selection operation "badop": must be *}

### NEED: more tests for see/yview/scrolling

proc scrollcallback {args} {
    set ::scrolldata $args
}
test treeview-9.0 "scroll callback - empty tree" -body {
    .tv configure -yscrollcommand scrollcallback
    .tv delete [.tv children {}]
    update
    set ::scrolldata
} -result [list 0 1]

### NEED: tests for focus item, selection


### Misc. tests:

destroy .tv
test treeview-10.1 "Root node properly initialized (#1541739)" -setup {
    ttk::treeview .tv
    .tv insert {} end -id a
    .tv see a
} -cleanup {
    destroy .tv
}

tcltest::cleanupTests