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////////////////////////////////////////////////////////////////////////////////
// Constants
var RELATION_CONTROLLED_BY = nsIAccessibleRelation.RELATION_CONTROLLED_BY;
var RELATION_CONTROLLER_FOR = nsIAccessibleRelation.RELATION_CONTROLLER_FOR;
var RELATION_DEFAULT_BUTTON = nsIAccessibleRelation.RELATION_DEFAULT_BUTTON;
var RELATION_DESCRIBED_BY = nsIAccessibleRelation.RELATION_DESCRIBED_BY;
var RELATION_DESCRIPTION_FOR = nsIAccessibleRelation.RELATION_DESCRIPTION_FOR;
var RELATION_EMBEDDED_BY = nsIAccessibleRelation.RELATION_EMBEDDED_BY;
var RELATION_EMBEDS = nsIAccessibleRelation.RELATION_EMBEDS;
var RELATION_FLOWS_FROM = nsIAccessibleRelation.RELATION_FLOWS_FROM;
var RELATION_FLOWS_TO = nsIAccessibleRelation.RELATION_FLOWS_TO;
var RELATION_LABEL_FOR = nsIAccessibleRelation.RELATION_LABEL_FOR;
var RELATION_LABELLED_BY = nsIAccessibleRelation.RELATION_LABELLED_BY;
var RELATION_MEMBER_OF = nsIAccessibleRelation.RELATION_MEMBER_OF;
var RELATION_NODE_CHILD_OF = nsIAccessibleRelation.RELATION_NODE_CHILD_OF;
var RELATION_NODE_PARENT_OF = nsIAccessibleRelation.RELATION_NODE_PARENT_OF;
var RELATION_PARENT_WINDOW_OF = nsIAccessibleRelation.RELATION_PARENT_WINDOW_OF;
var RELATION_POPUP_FOR = nsIAccessibleRelation.RELATION_POPUP_FOR;
var RELATION_SUBWINDOW_OF = nsIAccessibleRelation.RELATION_SUBWINDOW_OF;
var RELATION_CONTAINING_DOCUMENT = nsIAccessibleRelation.RELATION_CONTAINING_DOCUMENT;
var RELATION_CONTAINING_TAB_PANE = nsIAccessibleRelation.RELATION_CONTAINING_TAB_PANE;
var RELATION_CONTAINING_APPLICATION = nsIAccessibleRelation.RELATION_CONTAINING_APPLICATION;
const RELATION_DETAILS = nsIAccessibleRelation.RELATION_DETAILS;
const RELATION_DETAILS_FOR = nsIAccessibleRelation.RELATION_DETAILS_FOR;
const RELATION_ERRORMSG = nsIAccessibleRelation.RELATION_ERRORMSG;
const RELATION_ERRORMSG_FOR = nsIAccessibleRelation.RELATION_ERRORMSG_FOR;
////////////////////////////////////////////////////////////////////////////////
// General
/**
* Test the accessible relation.
*
* @param aIdentifier [in] identifier to get an accessible, may be ID
* attribute or DOM element or accessible object
* @param aRelType [in] relation type (see constants above)
* @param aRelatedIdentifiers [in] identifier or array of identifiers of
* expected related accessibles
*/
function testRelation(aIdentifier, aRelType, aRelatedIdentifiers)
{
var relation = getRelationByType(aIdentifier, aRelType);
var relDescr = getRelationErrorMsg(aIdentifier, aRelType);
var relDescrStart = getRelationErrorMsg(aIdentifier, aRelType, true);
if (!relation || !relation.targetsCount) {
if (!aRelatedIdentifiers) {
ok(true, "No" + relDescr);
return;
}
var msg = relDescrStart + "has no expected targets: '" +
prettyName(aRelatedIdentifiers) + "'";
ok(false, msg);
return;
} else if (!aRelatedIdentifiers) {
ok(false, "There are unexpected targets of " + relDescr);
return;
}
var relatedIds = (aRelatedIdentifiers instanceof Array) ?
aRelatedIdentifiers : [aRelatedIdentifiers];
var targets = [];
for (var idx = 0; idx < relatedIds.length; idx++)
targets.push(getAccessible(relatedIds[idx]));
if (targets.length != relatedIds.length)
return;
var actualTargets = relation.getTargets();
// Check if all given related accessibles are targets of obtained relation.
for (var idx = 0; idx < targets.length; idx++) {
var isFound = false;
var enumerate = actualTargets.enumerate();
while (enumerate.hasMoreElements()) {
var relatedAcc = enumerate.getNext().QueryInterface(nsIAccessible);
if (targets[idx] == relatedAcc) {
isFound = true;
break;
}
}
ok(isFound, prettyName(relatedIds[idx]) + " is not a target of" + relDescr);
}
// Check if all obtained targets are given related accessibles.
var enumerate = actualTargets.enumerate();
while (enumerate.hasMoreElements()) {
var relatedAcc = enumerate.getNext().QueryInterface(nsIAccessible);
for (var idx = 0; idx < targets.length && relatedAcc != targets[idx]; idx++);
if (idx == targets.length)
ok(false, "There is unexpected target" + prettyName(relatedAcc) + "of" + relDescr);
}
}
/**
* Test that the given accessible relations don't exist.
*
* @param aIdentifier [in] identifier to get an accessible, may be ID
* attribute or DOM element or accessible object
* @param aRelType [in] relation type (see constants above)
* @param aUnrelatedIdentifiers [in] identifier or array of identifiers of
* accessibles that shouldn't exist for this
* relation.
*/
function testAbsentRelation(aIdentifier, aRelType, aUnrelatedIdentifiers)
{
var relation = getRelationByType(aIdentifier, aRelType);
var relDescr = getRelationErrorMsg(aIdentifier, aRelType);
var relDescrStart = getRelationErrorMsg(aIdentifier, aRelType, true);
if (!aUnrelatedIdentifiers) {
ok(false, "No identifiers given for unrelated accessibles.");
return;
}
if (!relation || !relation.targetsCount) {
ok(true, "No relations exist.");
return;
}
var relatedIds = (aUnrelatedIdentifiers instanceof Array) ?
aUnrelatedIdentifiers : [aUnrelatedIdentifiers];
var targets = [];
for (var idx = 0; idx < relatedIds.length; idx++)
targets.push(getAccessible(relatedIds[idx]));
if (targets.length != relatedIds.length)
return;
var actualTargets = relation.getTargets();
// Any found targets that match given accessibles should be called out.
for (var idx = 0; idx < targets.length; idx++) {
var notFound = true;
var enumerate = actualTargets.enumerate();
while (enumerate.hasMoreElements()) {
var relatedAcc = enumerate.getNext().QueryInterface(nsIAccessible);
if (targets[idx] == relatedAcc) {
notFound = false;
break;
}
}
ok(notFound, prettyName(relatedIds[idx]) + " is a target of " + relDescr);
}
}
/**
* Return related accessible for the given relation type.
*
* @param aIdentifier [in] identifier to get an accessible, may be ID attribute
* or DOM element or accessible object
* @param aRelType [in] relation type (see constants above)
*/
function getRelationByType(aIdentifier, aRelType)
{
var acc = getAccessible(aIdentifier);
if (!acc)
return;
var relation = null;
try {
relation = acc.getRelationByType(aRelType);
} catch (e) {
ok(false, "Can't get" + getRelationErrorMsg(aIdentifier, aRelType));
}
return relation;
}
////////////////////////////////////////////////////////////////////////////////
// Private implementation details
function getRelationErrorMsg(aIdentifier, aRelType, aIsStartSentence)
{
var relStr = relationTypeToString(aRelType);
var msg = aIsStartSentence ? "Relation of '" : " relation of '";
msg += relStr + "' type for '" + prettyName(aIdentifier) + "'";
msg += aIsStartSentence ? " " : ".";
return msg;
}
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