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var Cu = Components.utils;
const PREF_UTTERANCE_ORDER = "accessibility.accessfu.utterance";
Cu.import('resource://gre/modules/accessibility/Utils.jsm');
Cu.import("resource://gre/modules/accessibility/OutputGenerator.jsm", this);
/**
* Test context output generation.
*
* @param expected {Array} expected output.
* @param aAccOrElmOrID identifier to get an accessible to test.
* @param aOldAccOrElmOrID optional identifier to get an accessible relative to
* the |aAccOrElmOrID|.
* @param aGenerator the output generator to use when generating accessible
* output
*
* Note: if |aOldAccOrElmOrID| is not provided, the |aAccOrElmOrID| must be
* scoped to the "root" element in markup.
*/
function testContextOutput(expected, aAccOrElmOrID, aOldAccOrElmOrID, aGenerator) {
var accessible = getAccessible(aAccOrElmOrID);
var oldAccessible = aOldAccOrElmOrID !== null ?
getAccessible(aOldAccOrElmOrID || 'root') : null;
var context = new PivotContext(accessible, oldAccessible);
var output = aGenerator.genForContext(context);
// Create a version of the output that has null members where we have
// null members in the expected output. Those are indexes that are not testable
// because of the changing nature of the test (different window names), or strings
// that are inaccessible to us, like the title of parent documents.
var masked_output = [];
for (var i=0; i < output.length; i++) {
if (expected[i] === null) {
masked_output.push(null);
} else {
masked_output[i] = typeof output[i] === "string" ? output[i].trim() :
output[i];
}
}
isDeeply(masked_output, expected,
"Context output is correct for " + aAccOrElmOrID +
" (output: " + JSON.stringify(output) + ") ==" +
" (expected: " + JSON.stringify(expected) + ")");
}
/**
* Test object output generated array that includes names.
* Note: test ignores outputs without the name.
*
* @param aAccOrElmOrID identifier to get an accessible to test.
* @param aGenerator the output generator to use when generating accessible
* output
*/
function testObjectOutput(aAccOrElmOrID, aGenerator) {
var accessible = getAccessible(aAccOrElmOrID);
if (!accessible.name || !accessible.name.trim()) {
return;
}
var context = new PivotContext(accessible);
var output = aGenerator.genForObject(accessible, context);
var outputOrder;
try {
outputOrder = SpecialPowers.getIntPref(PREF_UTTERANCE_ORDER);
} catch (ex) {
// PREF_UTTERANCE_ORDER not set.
outputOrder = 0;
}
var expectedNameIndex = outputOrder === 0 ? output.length - 1 : 0;
var nameIndex = output.indexOf(accessible.name);
if (nameIndex > -1) {
ok(output.indexOf(accessible.name) === expectedNameIndex,
"Object output is correct for " + aAccOrElmOrID);
}
}
/**
* Test object and context output for an accessible.
*
* @param expected {Array} expected output.
* @param aAccOrElmOrID identifier to get an accessible to test.
* @param aOldAccOrElmOrID optional identifier to get an accessible relative to
* the |aAccOrElmOrID|.
* @param aOutputKind the type of output
*/
function testOutput(expected, aAccOrElmOrID, aOldAccOrElmOrID, aOutputKind) {
var generator;
if (aOutputKind === 1) {
generator = UtteranceGenerator;
} else {
generator = BrailleGenerator;
}
testContextOutput(expected, aAccOrElmOrID, aOldAccOrElmOrID, generator);
// Just need to test object output for individual
// accOrElmOrID.
if (aOldAccOrElmOrID) {
return;
}
testObjectOutput(aAccOrElmOrID, generator);
}
function testHints(expected, aAccOrElmOrID, aOldAccOrElmOrID) {
var accessible = getAccessible(aAccOrElmOrID);
var oldAccessible = aOldAccOrElmOrID !== null ?
getAccessible(aOldAccOrElmOrID || 'root') : null;
var context = new PivotContext(accessible, oldAccessible);
var hints = context.interactionHints;
isDeeply(hints, expected,
"Context hitns are correct for " + aAccOrElmOrID +
" (hints: " + JSON.stringify(hints) + ") ==" +
" (expected: " + JSON.stringify(expected) + ")");
}
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