# -*- tcl -*-
# Graph tests - graph/arc/node keys (attribute keys)
# Copyright (c) 2006 Andreas Kupries <andreas_kupries@users.sourceforge.net>
# All rights reserved.
# RCS: @(#) $Id: keys.test,v 1.3 2008/03/07 06:51:39 andreas_kupries Exp $

# Syntax: graph      keys      ?PATTERN?
# Syntax: graph arc  keys ARC  ?PATTERN?
# Syntax: graph node keys NODE ?PATTERN?

# -------------------------------------------------------------------------

foreach {e ex stem mp mk} {
    arc   Arc   {mygraph arc}  {arc }  x
    node  Node  {mygraph node} {node } x
    graph Graph {mygraph}      {}      {}
} {
    AttrSetup

    # -------------------------------------------------------------------------
    # Wrong # args: Missing, Too many

    test graph-${impl}-${setimpl}-${e}-keys-1.0 "$e keys, wrong # args, missing" !graph {
	SETUP
	catch {CMD keys} msg
	mygraph destroy
	set msg
    } [tmWrongA "${mp}keys" "${mp}?pattern?" 0] ; # {}

    test graph-${impl}-${setimpl}-${e}-keys-1.1 "$e keys, wrong # args, too many" {
	SETUP
	catch {CMD keys a b c} msg
	mygraph destroy
	set msg
    } [tmTooManyA "${mp}keys" "${mp}?pattern?"] ; # {}

    # -------------------------------------------------------------------------
    # Logical arguments checks and failures

    test graph-${impl}-${setimpl}-${e}-keys-2.0 "$e keys, missing $e" !graph {
	SETUP
	catch {Keys$ex} msg
	mygraph destroy
	set msg
    } [Missing$ex $MY x] ; # {}

    # -------------------------------------------------------------------------
    # Ok arguments.

    test graph-${impl}-${setimpl}-${e}-keys-3.0 "$e keys, no attributes, empty list result" {
	SETUP
	$ex
	set results [Keys$ex]
	mygraph destroy
	set results
    } {}

    test graph-${impl}-${setimpl}-${e}-keys-3.1 "$e keys, list result" {
	SETUP
	$ex
	SetW$ex data  foobar
	SetW$ex other thing
	set results [Keys$ex]
	mygraph destroy
	lsort $results
    } {data other}

    test graph-${impl}-${setimpl}-${e}-keys-3.2 "$e keys, pattern match" {
	SETUP
	$ex
	SetW$ex data  foobar
	SetW$ex other thing
	set results [KeysP$ex d*]
	mygraph destroy
	set results
    } data
}

# -------------------------------------------------------------------------