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# -*- tcl -*-
# Tests for the 'disjointset' module in the 'struct' library. -*- tcl -*-
#
# This file contains a collection of tests for one or more of the Tcllib
# procedures. Sourcing this file into Tcl runs the tests and
# generates output for errors. No output means no errors were found.
#
# Copyright (c) 2008 by Alejandro Eduardo Cruz Paz
# Copyright (c) 2008 by Andreas Kupries (extended for API changes and error conditions)
#
# RCS: @(#) $Id: disjointset.testsuite,v 1.1 2008/09/10 16:23:14 andreas_kupries Exp $
#----------------------------------------------------------------------
test disjointset-${impl}-1.0 {disjointset creation} {
::struct::disjointset DS
set result [djstate DS]
DS destroy
set result
} {{} 0}
test disjointset-${impl}-1.1 {disjointset creation error} {
catch {::struct::disjointset DS other} msg
set result $msg
} {wrong # args: should be "::struct::disjointset ?name?"}
#----------------------------------------------------------------------
test disjointset-${impl}-2.0 {disjointset add-partition error, wrong#args, missing} {
::struct::disjointset DS
catch {DS add-partition} msg
DS destroy
set msg
} [tcltest::wrongNumArgs ::struct::disjointset::_add-partition {name items} 1]
test disjointset-${impl}-2.1 {disjointset add-partition error, wrong#args, too many} {
::struct::disjointset DS
catch {DS add-partition x y} msg
DS destroy
set msg
} [tcltest::tooManyArgs ::struct::disjointset::_add-partition {name items}]
test disjointset-${impl}-2.2 {disjointset add-partition error, elements already known} {
testset
catch {DS add-partition {1}} msg
DS destroy
set msg
} {The element "1" is already known to the disjoint set ::DS}
test disjointset-${impl}-2.3 {disjointset add-partition, ok} {
testset
set result [list [DS add-partition {11 14}] [djstate DS]]
DS destroy
set result
} {{} {{0 {1 2 3 4} {5 6} {7 10} {8 9} {11 14}} 6}}
#----------------------------------------------------------------------
test disjointset-${impl}-3.0 {disjointset partitions error, wrong#args, too many} {
::struct::disjointset DS
catch {DS partitions x} msg
DS destroy
set msg
} [tcltest::tooManyArgs ::struct::disjointset::_partitions {name}]
test disjointset-${impl}-3.1 {disjointset partitions, ok} {
testset
set result [djstate DS]
DS destroy
set result
} {{0 {1 2 3 4} {5 6} {7 10} {8 9}} 5}
#----------------------------------------------------------------------
test disjointset-${impl}-4.0 {disjointset equal error, wrong#args, missing} {
::struct::disjointset DS
catch {DS equal} msg
DS destroy
set msg
} [tcltest::wrongNumArgs ::struct::disjointset::_equal {name a b} 1]
test disjointset-${impl}-4.1 {disjointset equal error, wrong#args, missing} {
::struct::disjointset DS
catch {DS equal x} msg
DS destroy
set msg
} [tcltest::wrongNumArgs ::struct::disjointset::_equal {name a b} 2]
test disjointset-${impl}-4.2 {disjointset equal error, wrong#args, too many} {
::struct::disjointset DS
catch {DS equal x y z} msg
DS destroy
set msg
} [tcltest::tooManyArgs ::struct::disjointset::_equal {name a b}]
test disjointset-${impl}-4.3 {disjointset equal error, unknown elements} {
testset
catch {DS equal x 1} msg
DS destroy
set msg
} {The element "x" is not known to the disjoint set ::DS}
test disjointset-${impl}-4.4 {disjointset equal error, unknown elements} {
testset
catch {DS equal 1 x} msg
DS destroy
set msg
} {The element "x" is not known to the disjoint set ::DS}
test disjointset-${impl}-4.5 {disjointset equal ok, unequal elements} {
testset
set res [DS equal 1 5]
DS destroy
set res
} 0
test disjointset-${impl}-4.6 {disjointset equal ok, equal elements} {
testset
set res [DS equal 4 1]
DS destroy
set res
} 1
#----------------------------------------------------------------------
test disjointset-${impl}-5.0 {disjointset merge error, wrong#args, missing} {
::struct::disjointset DS
catch {DS merge} msg
DS destroy
set msg
} [tcltest::wrongNumArgs ::struct::disjointset::_merge {name a b} 1]
test disjointset-${impl}-5.1 {disjointset merge error, wrong#args, missing} {
::struct::disjointset DS
catch {DS merge x} msg
DS destroy
set msg
} [tcltest::wrongNumArgs ::struct::disjointset::_merge {name a b} 2]
test disjointset-${impl}-5.2 {disjointset merge error, wrong#args, too many} {
::struct::disjointset DS
catch {DS merge x y z} msg
DS destroy
set msg
} [tcltest::tooManyArgs ::struct::disjointset::_merge {name a b}]
test disjointset-${impl}-5.3 {disjointset merge error, unknown elements} {
testset
catch {DS merge x 1} msg
DS destroy
set msg
} {The element "x" is not known to the disjoint set ::DS}
test disjointset-${impl}-5.4 {disjointset merge error, unknown elements} {
testset
catch {DS merge 1 x} msg
DS destroy
set msg
} {The element "x" is not known to the disjoint set ::DS}
test disjointset-${impl}-5.5 {disjointset merge ok, different partitions} {
testset
DS merge 1 5
set result [djstate DS]
DS destroy
set result
} {{0 {1 2 3 4 5 6} {7 10} {8 9}} 4}
test disjointset-${impl}-5.6 {disjointset merge ok, same partition, no change} {
testset
DS merge 4 3
set result [djstate DS]
DS destroy
set result
} {{0 {1 2 3 4} {5 6} {7 10} {8 9}} 5}
#----------------------------------------------------------------------
test disjointset-${impl}-6.0 {disjointset find error, wrong#args, missing} {
::struct::disjointset DS
catch {DS find} msg
DS destroy
set msg
} [tcltest::wrongNumArgs ::struct::disjointset::_find {name item} 1]
test disjointset-${impl}-6.1 {disjointset find error, wrong#args, too many} {
::struct::disjointset DS
catch {DS find x y} msg
DS destroy
set msg
} [tcltest::tooManyArgs ::struct::disjointset::_find {name item}]
test disjointset-${impl}-6.2 {disjointset find, unknown element} {
testset
set result [DS find 11]
DS destroy
set result
} {}
test disjointset-${impl}-6.3 {disjointset find, known element} {
testset
set result [lsort -dict [DS find 3]]
DS destroy
set result
} {1 2 3 4}
#----------------------------------------------------------------------
test disjointset-${impl}-7.0 {disjointset num-partitions error, wrong#args, too many} {
::struct::disjointset DS
catch {DS num-partitions x} msg
DS destroy
set msg
} [tcltest::tooManyArgs ::struct::disjointset::_num-partitions {name}]
test disjointset-${impl}-7.1 {disjointset num-partitions, ok} {
testset
set result [DS num-partitions]
DS destroy
set result
} 5
#----------------------------------------------------------------------
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