wpt/css/css-highlight-api/Highlight-iteration.html at master · web-platform-tests/wpt · GitHub

Name: wpt/css/css-highlight-api/Highlight-iteration.html at master · web-platform-tests/wpt · GitHub
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<!doctype html>
<title>Highlight iteration</title>
<linkrel="help" href="https://drafts.csswg.org/css-highlight-api-1/">
<scriptsrc="/resources/testharness.js"></script>
<scriptsrc="/resources/testharnessreport.js"></script>
<divid='testDiv'>abc</div>
<script>
'use strict';
letrange1=newRange();
letcontainer=document.getElementById('testDiv');
letrange2=newStaticRange({startContainer: container,startOffset: 0,endContainer: container,endOffset: 0});

letrangeAdditionModeCollection=["constructor","add function"];
letiterationInitializationCollection=["customHighlight[Symbol.iterator]()","customHighlight.values()","customHighlight.keys()"];

functiongetIterator(customHighlight,iterationInitialization){
variterator;
if(iterationInitialization==="customHighlight[Symbol.iterator]()"){
iterator=customHighlight[Symbol.iterator]();
}
elseif(iterationInitialization==="customHighlight.values()"){
iterator=customHighlight.values();
}
elseif(iterationInitialization==="customHighlight.keys()"){
iterator=customHighlight.keys();
}
returniterator;
}

// Test .keys, .values, [Symbol.iterator]

for(letiterationInitializationofiterationInitializationCollection){
test(()=>{
letcustomHighlight=newHighlight();
letiterator=getIterator(customHighlight,iterationInitialization);
letelement=iterator.next();
assert_true(element.done,'Highlight is iterable and .next() returns an element with .done===true when there are no more ranges to iterate');
assert_equals(element.value,undefined,'Highlight is iterable and .next() returns an element with .value undefined when there are no more ranges to iterate.');
},'Highlight can be iterated when it\'s empty initializing the iterator with '+iterationInitialization);
}

for(letrangeAdditionModeofrangeAdditionModeCollection){
for(letiterationInitializationofiterationInitializationCollection){
test(()=>{
varcustomHighlight;
if(rangeAdditionMode==="constructor"){
customHighlight=newHighlight(range1);
}
elseif(rangeAdditionMode==="add function"){
customHighlight=newHighlight();
customHighlight.add(range1);
}

letiterator=getIterator(customHighlight,iterationInitialization);
letelement=iterator.next();
assert_false(element.done,'Highlight is iterable and .next() returns an element with .done===false when the iteration didn\'t go past the last range');
assert_equals(element.value,range1,'.next() returns an element with .value corresponding to the first range added to the Highlight');
element=iterator.next();
assert_true(element.done,'Highlight is iterable and .next() returns an element with .done===true when there are no more ranges to iterate');
assert_equals(element.value,undefined,'Highlight is iterable and .next() returns an element with .value undefined when there are no more ranges to iterate.');
},'Highlight can be iterated over all of its ranges initializing the iterator with '+iterationInitialization+' and adding a range by passing it to the '+rangeAdditionMode);

test(()=>{
varcustomHighlight;
if(rangeAdditionMode==="constructor"){
customHighlight=newHighlight(range1,range2);
}
elseif(rangeAdditionMode==="add function"){
customHighlight=newHighlight();
customHighlight.add(range1);
customHighlight.add(range2);
}

letiterator=getIterator(customHighlight,iterationInitialization);
letelement=iterator.next();
assert_false(element.done,'Highlight is iterable and .next() returns an element with .done===false when the iteration didn\'t go past the last range');
assert_equals(element.value,range1,'.next() returns an element with .value corresponding to the first range added to the Highlight');
element=iterator.next();
assert_false(element.done,'Highlight is iterable and .next() returns an element with .done===false when the iteration didn\'t go past the last range');
assert_equals(element.value,range2,'.next() returns an element with .value corresponding to the second range added to the Highlight');
element=iterator.next();
assert_true(element.done,'Highlight is iterable and .next() returns an element with .done===true when there are no more ranges to iterate');
assert_equals(element.value,undefined,'Highlight is iterable and .next() returns an element with .value undefined when there are no more ranges to iterate.');
},'Highlight can be iterated over all of its ranges initializing the iterator with '+iterationInitialization+' and adding two ranges by passing them to the '+rangeAdditionMode);
}
}

// Test .entries()

test(()=>{
letcustomHighlight=newHighlight();
letiterator=customHighlight.entries();
letelement=iterator.next();
assert_true(element.done,'Highlight is iterable and .next() returns an element with .done===true when there are no more ranges to iterate');
assert_equals(element.value,undefined,'Highlight is iterable and .next() returns an element with .value undefined when there are no more ranges to iterate.');
},'Highlight can be iterated when it\'s empty initializing the iterator with .entries()');

for(letrangeAdditionModeofrangeAdditionModeCollection){
test(()=>{
varcustomHighlight;
if(rangeAdditionMode==="constructor"){
customHighlight=newHighlight(range1);
}
elseif(rangeAdditionMode==="add function"){
customHighlight=newHighlight();
customHighlight.add(range1);
}

letiterator=customHighlight.entries();
letelement=iterator.next();
assert_false(element.done,'Highlight is iterable and .next() returns an element with .done===false when the iteration didn\'t go past the last range');
assert_equals(element.value[0],range1,'.next() returns an element with .value[0] corresponding to the first range added to the Highlight');
assert_equals(element.value[1],range1,'.next() returns an element with .value[1] corresponding to the first range added to the Highlight');
element=iterator.next();
assert_true(element.done,'Highlight is iterable and .next() returns an element with .done===true when there are no more ranges to iterate');
assert_equals(element.value,undefined,'Highlight is iterable and .next() returns an element with .value undefined when there are no more ranges to iterate.');
},'Highlight can be iterated over all of its ranges initializing the iterator with .entries() and adding a range by passing it to the '+rangeAdditionMode);

test(()=>{
varcustomHighlight;
if(rangeAdditionMode==="constructor"){
customHighlight=newHighlight(range1,range2);
}
elseif(rangeAdditionMode==="add function"){
customHighlight=newHighlight();
customHighlight.add(range1);
customHighlight.add(range2);
}

letiterator=customHighlight.entries();
letelement=iterator.next();
assert_false(element.done,'Highlight is iterable and .next() returns an element with .done===false when the iteration didn\'t go past the last highlight');
assert_equals(element.value[0],range1,'.next() returns an element with .value[0] corresponding to the first range added to the Highlight');
assert_equals(element.value[1],range1,'.next() returns an element with .value[1] corresponding to the first range added to the Highlight');
element=iterator.next();
assert_false(element.done,'Highlight is iterable and .next() returns an element with .done===false when the iteration didn\'t go past the last highlight');
assert_equals(element.value[0],range2,'.next() returns an element with .value[0] corresponding to the second range added to the Highlight');
assert_equals(element.value[1],range2,'.next() returns an element with .value[1] corresponding to the second range added to the Highlight');
element=iterator.next();
assert_true(element.done,'Highlight is iterable and .next() returns an element with .done===true when there are no more ranges to iterate');
assert_equals(element.value,undefined,'Highlight is iterable and .next() returns an element with .value undefined when there are no more ranges to iterate.');
},'Highlight can be iterated over all of its ranges initializing the iterator with .entries() and adding two ranges by passing them to the '+rangeAdditionMode);
}

// Test .forEach

functioncompareArrays(array1,array2){
if(array1.length!=array2.length){
returnfalse;
}
for(letindex=0;index<array1.length;++index){
if(array1[index]!=array2[index])
returnfalse;
}
returntrue;
}

test(()=>{
letcustomHighlight=newHighlight();
letexpectedResult=[];
letactualResult=[];
customHighlight.forEach((range)=>{actualResult.push(range);});
assert_true(compareArrays(actualResult,expectedResult),'The ranges seen match the ranges added');
},'Highlight can be iterated through when it\'s empty using forEach.');

for(letrangeAdditionModeofrangeAdditionModeCollection){
test(()=>{
varcustomHighlight;
if(rangeAdditionMode==="constructor"){
customHighlight=newHighlight(range1);
}
elseif(rangeAdditionMode==="add function"){
customHighlight=newHighlight();
customHighlight.add(range1);
}

letexpectedResult=[range1];
letactualResult=[];
customHighlight.forEach((range)=>{actualResult.push(range);});
assert_true(compareArrays(actualResult,expectedResult),'The ranges seen match the ranges added');
},'Highlight can be iterated through using forEach when it has one range that was added by passing it to the '+rangeAdditionMode);

test(()=>{
varcustomHighlight;
if(rangeAdditionMode==="constructor"){
customHighlight=newHighlight(range1,range2);
}
elseif(rangeAdditionMode==="add function"){
customHighlight=newHighlight();
customHighlight.add(range1);
customHighlight.add(range2);
}

letexpectedResult=[range1,range2];
letactualResult=[];
customHighlight.forEach((range)=>{actualResult.push(range);});
assert_true(compareArrays(actualResult,expectedResult),'The ranges seen match the ranges added');
},'Highlight can be iterated through using forEach when it has two ranges that were added by passing them to the '+rangeAdditionMode);
}

</script>