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# Commands covered: ::dom::treeWalker
#
# This file contains a collection of tests for one or more of the
# TclDOM commands. Sourcing this file into Tcl runs the tests and
# generates output for errors. No output means no errors were found.
#
# Copyright (c) 2008 Explain
# Copyright (c) 2002-2003 Zveno Pty Ltd
# Copyright (c) 2000 Ajuba Solutions
#
# $Id: treewalker.test,v 1.4 2003/12/03 20:18:45 balls Exp $
package require tcltest
source [file join [tcltest::workingDirectory] tcldomutils.tcl]
testPackage dom
namespace eval ::dom::treewalkerTest {
namespace import -force ::tcltest::*
variable xml1 {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test>This <b>is</b> text.<A>aaa<B>bbb</B>aaa2<C>ccc<D>ddd</D>ccc2</C>aaa3</A></Test>}
variable SETUP {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test></Test>}]
}
variable CLEANUP {
dom::destroy $doc
}
test treewalker-2.1 {argument parsing} -constraints {dom_c} -body {
expectError {
dom::treeWalker
}
} -result {wrong # args: should be "dom::treeWalker method handle ?arg ...?"}
test treewalker-2.2 {argument parsing} -constraints {dom_c} -body {
expectError {
dom::treeWalker foo
}
} -result {bad method "foo": must be cget, configure, parentNode, firstChild, lastChild, previousSibling, nextSibling, previousNode, or nextNode}
test treewalker-2.3 {argument parsing} -constraints {dom_c} -body {
expectError {
dom::treeWalker cget blah
}
} -result {token not found}
test treewalker-1.1 {treewalker creation} -constraints {dom_c} -setup $SETUP -body {
set result [catch {dom::DocumentTraversal createTreeWalker $doc} \
treewalker]
set handle [string range $treewalker 0 9]
list $result $handle
} -cleanup $CLEANUP -result {0 treewalker}
test treewalker-1.2 {treewalker creation} -constraints {dom_c} -setup $SETUP -body {
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result [catch {dom::treeWalker nextNode $treewalker} first]
set handle [string range $first 0 3]
list $result $handle
} -cleanup $CLEANUP -result {0 node}
test treewalker-2.1 {treewalker cget -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc -show \
[list element textNode]]
} -body {
set result [catch {::dom::treeWalker cget $treewalker -show} value]
list $result $value
} -cleanup $CLEANUP -result {0 {element textNode}}
test treewalker-2.2 {treewalker configure -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc -show \
[list element textNode]]
} -body {
::dom::treeWalker configure $treewalker -show
} -cleanup $CLEANUP -result {element textNode}
test treewalker-2.3 {treewalker configure -show readonly} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc -show \
[list element textNode]]
} -body {
expectError {
::dom::treeWalker configure $treewalker \
-show [list element]
}
} -cleanup $CLEANUP -result {no modification allowed error: an attempt was made to modify an object where modifications are not allowed}
test treewalker-2.4 {treewalker cget -filter} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
} -body {
::dom::treeWalker cget $treewalker -filter
} -cleanup $CLEANUP -result nodeFilter
test treewalker-2.5 {treewalker configure -filter} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
} -body {
::dom::treeWalker configure $treewalker -filter
} -cleanup $CLEANUP -result nodeFilter
test treewalker-2.6 {treewalker configure -filter readonly} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
} -body {
expectError {
::dom::treeWalker configure $treewalker \
-filter someFilter
}
} -cleanup $CLEANUP -result {no modification allowed error: an attempt was made to modify an object where modifications are not allowed}
test treewalker-2.7 {treewalker cget -expandEntities} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
} -body {
::dom::treeWalker cget $treewalker \
-expandEntities
} -cleanup $CLEANUP -result {}
test treewalker-2.8 {treewalker configure -expandEntities} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
} -body {
::dom::treeWalker configure $treewalker \
-expandEntities
} -cleanup $CLEANUP -result {}
test treewalker-2.9 {treewalker configure -expandEntities readonly} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
} -body {
expectError {
::dom::treeWalker configure $treewalker \
-expandEntities 1
}
} -cleanup $CLEANUP -result {no modification allowed error: an attempt was made to modify an object where modifications are not allowed}
test treewalker-2.10 {treewalker cget -currentNode} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
} -body {
set value [::dom::treeWalker cget $treewalker \
-currentNode]
string compare $doc $value
} -cleanup $CLEANUP -result 0
test treewalker-2.10 {treewalker configure -currentNode} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
} -body {
set value [::dom::treeWalker configure $treewalker \
-currentNode]
string compare $document $value
} -cleanup $CLEANUP -result 0
test treewalker-2.10 {treewalker configure -currentNode writable} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?><A></A>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set topNode [dom::document cget $document -documentElement]
} -body {
set result [catch {::dom::treeWalker configure $treewalker \
-currentNode $topNode} value]
set result [catch {::dom::treeWalker configure $treewalker \
-currentNode} value]
list $result [string compare $topNode $value]
} -cleanup $CLEANUP -result {0 0}
test treewalker-3.1 {basic iteration} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test>This <b>is</b>text.</Test>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
for {set i 0} {$i < 9} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
lappend result [dom::node cget $node -nodeType]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
}
set result
} -cleanup $CLEANUP -result {documentType Test {} element Test {} textNode #text {This } element b {} textNode #text is textNode #text text.}
test treewalker-3.2 {basic iteration with -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test>This <b>is</b>text.</Test>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-show [list element textNode]]
set result {}
} -body {
for {set i 0} {$i < 9} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
lappend result [dom::node cget $node -nodeType]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
}
set result
} -cleanup $CLEANUP -result {element Test {} textNode #text {This } element b {} textNode #text is textNode #text text.}
test treewalker-3.3 {basic reverse iteration} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test>This <b>is</b>text.</Test>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
for {set i 0} {$i < 9} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
}
for {set i 0} {$i < 9} {incr i} {
set node [dom::treeWalker previousNode $treewalker]
if {$node == ""} break;
lappend result [dom::node cget $node -nodeType]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
}
set result
} -cleanup $CLEANUP -result {textNode #text is element b {} textNode #text {This } element Test {} documentType Test {} document #document {}}
test treewalker-3.4 {basic reverse iteration with -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test>This <b>is</b>text.</Test>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-show [list element textNode]]
set result {}
} -body {
for {set i 0} {$i < 9} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
}
for {set i 0} {$i < 9} {incr i} {
set node [dom::treeWalker previousNode $treewalker]
if {$node == ""} break;
lappend result [dom::node cget $node -nodeType]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
}
set result
} -cleanup $CLEANUP -result {textNode #text is element b {} textNode #text {This } element Test {}}
test treewalker-3.5 {complex iteration} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup $CLEANUP -result {Test Test {This } b is { text.} A aaa B bbb aaa2 C ccc D ddd ccc2 aaa3}
test treewalker-3.6 {complex iteration} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
}
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker previousNode $treewalker]
if {$node == ""} break;
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup $CLEANUP -result {ccc2 ddd D ccc C aaa2 bbb B aaa A { text.} is b {This } Test Test #document}
test treewalker-3.7 {basic iteration both directions} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test>This <b>is</b>text.</Test>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
set node [dom::treeWalker nextNode $treewalker]
lappend result [dom::node cget $node -nodeName]
set node [dom::treeWalker previousNode $treewalker]
lappend result [dom::node cget $node -nodeName]
set result
} -cleanup $CLEANUP -result {Test #document}
test treewalker-3.8 {backup before start of list} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test>This <b>is</b>text.</Test>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
set node [dom::treeWalker previousNode $treewalker]
set node
} -cleanup $CLEANUP -result {}
test treewalker-3.9 {backup before start of list then forward} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test>
<Test>This <b>is</b>text.</Test>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
set node [dom::treeWalker previousNode $treewalker]
set node [dom::treeWalker previousNode $treewalker]
set node [dom::treeWalker previousNode $treewalker]
set node [dom::treeWalker previousNode $treewalker]
set node [dom::treeWalker nextNode $treewalker]
lappend result [dom::node cget $node -nodeName]
set result
} -cleanup $CLEANUP -result {Test}
test treewalker-3.10 {inserts while iterating} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
if {$name == "A"} {
set new [dom::document createTextNode $document "New Text"]
dom::node insertBefore $node $new \
[dom::node cget $node -firstChild]
}
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup $CLEANUP -result {Test Test {This } b is { text.} A {New Text} aaa B bbb aaa2 C ccc D ddd ccc2 aaa3}
test treewalker-3.11 {deletions while iterating} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
if {$name == "A"} {
dom::node removeChild $node [dom::node cget $node -firstChild]
}
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup $CLEANUP -result {Test Test {This } b is { text.} A B bbb aaa2 C ccc D ddd ccc2 aaa3}
test treewalker-3.12 {reference node deletion while iterating} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
if {$name == "B"} {
dom::node removeChild [dom::node cget $node -parent] $node
}
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup $CLEANUP -result {Test Test {This } b is { text.} A aaa B aaa2 C ccc D ddd ccc2 aaa3}
test treewalker-3.13 {reference node deletion while iterating II} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
if {$name == "C"} {
set nodeToDelete $node
} elseif {$name == "D"} {
dom::node removeChild [dom::node cget $nodeToDelete -parent] \
$nodeToDelete
}
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup $CLEANUP -result {Test Test {This } b is { text.} A aaa B bbb aaa2 C ccc D aaa3}
test treewalker-3.14 {deletion of trailing reference node} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse {<?xml version="1.0"?>
<!DOCTYPE Test><Test>xxx<A/></Test>}]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
set node {}
} -body {
for {set i 0} {$i < 9} {incr i} {
set refNode $node
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
}
set node [dom::treeWalker previousNode $treewalker]
dom::node removeChild [dom::node cget $refNode -parent] $refNode
set node [dom::treeWalker previousNode $treewalker]
lappend result [dom::node cget $node -nodeName]
set result
} -cleanup $CLEANUP -result {Test}
test treewalker-3.15 {complex iteration with filter} -constraints {dom_c} -setup {
proc nodeFilter {node} {
set value [dom::node cget $node -nodeValue]
if {$value == "aaa"} {
return $::dom::skip
} else {
return $::dom::accept
}
}
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
rename nodeFilter {}
set result
} -cleanup {
eval $CLEANUP
rename nodeFilter {}
} -result {Test Test {This } b is { text.} A B bbb aaa2 C ccc D ddd ccc2 aaa3}
test treewalker-3.16 {firstChild} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
set node [dom::treeWalker firstChild $treewalker]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
set result
} -cleanup $CLEANUP -result {Test {}}
test treewalker-3.17 {firstChild with -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-show textNode]
set result {}
} -body {
set node [dom::treeWalker firstChild $treewalker]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
set result
} -cleanup $CLEANUP -result {#text {This }}
test treewalker-3.18 {parentNode} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
set node [dom::treeWalker firstChild $treewalker]
set node [dom::treeWalker nextSibling $treewalker]
set node [dom::treeWalker firstChild $treewalker]
} -body {
set node [dom::treeWalker parentNode $treewalker]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
set result
} -cleanup $CLEANUP -result {Test {}}
test treewalker-3.19 {parentNode with -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-show [list document textNode]]
set result {}
set node [dom::treeWalker firstChild $treewalker]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
} -body {
set node [dom::treeWalker parentNode $treewalker]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
set result
} -cleanup $CLEANUP -result {#text {This } #document {}}
test treewalker-3.20 {nextSibling with -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-show [list document textNode]]
set result {}
set node [dom::treeWalker firstChild $treewalker]
lappend result [dom::node cget $node -nodeValue]
} -body {
while {1} {
set node [dom::treeWalker nextSibling $treewalker]
if {$node == ""} break
lappend result [dom::node cget $node -nodeValue]
}
set result
} -cleanup $CLEANUP -result {{This } is { text.} aaa bbb aaa2 ccc ddd ccc2 aaa3}
test treewalker-3.21 {lastChild} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc]
set result {}
} -body {
set node [dom::treeWalker lastChild $treewalker]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
set result
} -cleanup $CLEANUP -result {Test {}}
test treewalker-3.22 {lastChild with -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-show textNode]
set result {}
} -body {
set node [dom::treeWalker lastChild $treewalker]
lappend result [dom::node cget $node -nodeName]
lappend result [dom::node cget $node -nodeValue]
set result
} -cleanup $CLEANUP -result {#text aaa3}
test treewalker-3.23 {previousSibling with -show} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-show [list document textNode]]
set result {}
set node [dom::treeWalker lastChild $treewalker]
lappend result [dom::node cget $node -nodeValue]
} -body {
while {1} {
set node [dom::treeWalker previousSibling $treewalker]
if {$node == ""} break
lappend result [dom::node cget $node -nodeValue]
}
set result
} -cleanup $CLEANUP -result {aaa3 ccc2 ddd ccc aaa2 bbb aaa { text.} is {This }}
test treewalker-3.24 {iteration with skip filter} -constraints {dom_c} -setup {
proc nodeFilter {node} {
set value [dom::node cget $node -nodeName]
if {$value == "A"} {
return $::dom::skip
} else {
return $::dom::accept
}
}
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup {
eval $CLEANUP
rename nodeFilter {}
} -result {Test Test {This } b is { text.} aaa B bbb aaa2 C ccc D ddd ccc2 aaa3}
test treewalker-3.25 {iteration with reject filter} -constraints {dom_c} -setup {
proc nodeFilter {node} {
set value [dom::node cget $node -nodeName]
if {$value == "A"} {
return $::dom::reject
} else {
return $::dom::accept
}
}
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup {
eval $CLEANUP
rename nodeFilter {}
} -result {Test Test {This } b is { text.}}
test treewalker-3.26 {reverse iteration with skip filter} -constraints {dom_c} -setup {
proc nodeFilter {node} {
set value [dom::node cget $node -nodeName]
if {$value == "A"} {
return $::dom::skip
} else {
return $::dom::accept
}
}
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
}
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker previousNode $treewalker]
if {$node == ""} break;
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup {
eval $CLEANUP
rename nodeFilter {}
} -result {ccc2 ddd D ccc C aaa2 bbb B aaa { text.} is b {This } Test Test #document}
test treewalker-3.27 {reverse iteration with reject filter} -constraints {dom_c} -setup {
# filter is noop while we go to last node
proc nodeFilter {node} {
return $::dom::accept
}
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
set result {}
} -body {
# advance to last node
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
}
proc nodeFilter {node} {
set value [dom::node cget $node -nodeName]
if {$value == "A"} {
return $::dom::reject
} else {
return $::dom::accept
}
}
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker previousNode $treewalker]
if {$node == ""} break;
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
# child nodes of filtered element appear because we're going
# backwards
} -cleanup {
eval $CLEANUP
rename nodeFilter {}
} -result {ccc2 ddd D ccc C aaa2 bbb B aaa { text.} is b {This } Test Test #document}
test treewalker-3.28 {iteration with deletion in filter} -constraints {dom_c} -setup {
# this example isn't good coding practice, but we need to test that the
# code at least holds up
proc nodeFilter {node} {
set value [dom::node cget $node -nodeName]
if {$value == "A"} {
set parent [dom::node cget $node -parentNode]
if {$parent != {}} {
dom::node removeChild $parent $node
}
return $::dom::accept
} else {
return $::dom::accept
}
}
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
set result {}
} -body {
for {set i 0} {$i < 40} {incr i} {
set node [dom::treeWalker nextNode $treewalker]
if {$node == ""} break;
set name [dom::node cget $node -nodeName]
if {$name != "#text"} {
lappend result $name
} else {
lappend result [dom::node cget $node -nodeValue]
}
}
set result
} -cleanup {
eval $CLEANUP
rename nodeFilter {}
} -result {Test Test {This } b is { text.} A aaa B bbb aaa2 C ccc D ddd ccc2 aaa3}
test treewalker-4.1 {treewalker deletion} -constraints {dom_c} -setup {
set doc [::dom::DOMImplementation parse $xml1]
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-show [list document textNode]]
} -body {
::dom::DocumentTraversal destroy $treewalker
} -cleanup $CLEANUP -result {}
test treewalker-5.1 {delete document in filter proc} -constraints {dom_c} -setup {
proc nodeFilter {node} {
variable doc
dom::DOMImplementation destroy $doc
return $::dom::accept
}
set doc [::dom::DOMImplementation parse $xml1]
} -body {
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
set node [dom::treeWalker nextNode $treewalker]
expectError {
dom::node cget $node -nodeName
}
} -cleanup {
rename nodeFilter {}
} -result {token not found}
test treewalker-5.2 {delete document in filter proc} -constraints {dom_c} -setup {
proc nodeFilter {node} {
global document
dom::DOMImplementation destroy $document
return $::dom::accept
}
variable doc [::dom::DOMImplementation parse $xml1]
} -body {
set treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
set node [dom::treeWalker nextNode $treewalker]
set result [catch {dom::treeWalker nextNode $treewalker} errmsg]
rename nodeFilter {}
list $result $errmsg
} -cleanup {
rename nodeFilter {}
} -result {0 {}}
test treewalker-5.3 {delete treewalker in filter proc} -constraints {dom_c} -setup {
proc nodeFilter {node} {
variable treewalker
::dom::DocumentTraversal destroy $treewalker
return $::dom::accept
}
set doc [::dom::DOMImplementation parse $xml1]
variable treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
} -body {
# first invocation succeeds
set node [dom::treeWalker nextNode $treewalker]
expectError {
dom::treeWalker nextNode $treewalker
}
} -cleanup {
eval $CLEANUP
rename nodeFilter {}
} -result {token not found}
test treewalker-5.4 {recursively invoke filter proc} -constraints {dom_c} -setup {
proc nodeFilter {node} {
variable treewalker
set node [dom::treeWalker nextNode $treewalker]
return $::dom::accept
}
set doc [::dom::DOMImplementation parse $xml1]
variable treewalker [dom::DocumentTraversal createTreeWalker $doc \
-filter nodeFilter]
expectError {
dom::treeWalker nextNode $treewalker
}
} -cleanup {
eval $CLEANUP
rename nodeFilter {}
} -result {too many nested calls * (infinite loop?)}
cleanupTests
}
namespace delete ::dom::treewalkerTest
return
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