gecko-dev/testing/web-platform/tests/selection/setBaseAndExtent.html

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<!doctype html>
<title>Selection.setBaseAndExtent() tests</title>
<div id=log></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=common.js></script>
<script>
"use strict";
for (var i = 0; i < testRanges.length; i++) {
test(function() {
var data = eval(testRanges[i]);
selection.removeAllRanges();
selection.setBaseAndExtent(data[0], data[1], data[2], data[3]);
if (!document.contains(data[0]) || !document.contains(data[2])) {
assert_equals(selection.rangeCount, 0);
return;
}
assert_equals(selection.rangeCount, 1,
"selection.rangeCount must equal 1");
assert_equals(selection.anchorNode, data[0],
"anchorNode must equal the requested anchor node");
assert_equals(selection.anchorOffset, data[1],
"anchorOffset must equal the requested anchor offset");
assert_equals(selection.focusNode, data[2],
"focusNode must equal the requested focus node");
assert_equals(selection.focusOffset, data[3],
"focusOffset must equal the requested focus offset");
}, "Range " + i + " " + testRanges[i] + " setBaseAndExtent()");
test(function() {
var data = eval(testRanges[i]);
selection.removeAllRanges();
selection.setBaseAndExtent(data[2], data[3], data[0], data[1]);
if (!document.contains(data[0]) || !document.contains(data[2])) {
assert_equals(selection.rangeCount, 0);
return;
}
assert_equals(selection.rangeCount, 1,
"selection.rangeCount must equal 1");
assert_equals(selection.anchorNode, data[2],
"anchorNode must equal the requested focus node");
assert_equals(selection.anchorOffset, data[3],
"anchorOffset must equal the requested focus offset");
assert_equals(selection.focusNode, data[0],
"focusNode must equal the requested anchor node");
assert_equals(selection.focusOffset, data[1],
"focusOffset must equal the requested anchor offset");
}, "Reverse range " + i + " " + testRanges[i] + " setBaseAndExtent()");
}
test(function() {
var title = document.getElementsByTagName('title')[0];
try {
selection.setBaseAndExtent(title, 0, title, 99);
assert_true(false, "focus offset, must throw an IndexSizeError exception")
} catch (e) {
assert_equals(e.name, "IndexSizeError", "focus offset, got an IndexSizeError exception")
}
try {
selection.setBaseAndExtent(title, 99, title, 0);
assert_true(false, "anchor offset, must throw an IndexSizeError exception")
} catch (e) {
assert_equals(e.name, "IndexSizeError", "anchor offset, got an IndexSizeError exception")
}
}, "setBaseAndExtent() with index larger than length");
test(function() {
var title = document.getElementsByTagName('title')[0];
try {
selection.setBaseAndExtent(title, 0, title, -1);
assert_true(false, "focus offset, must throw an IndexSizeError exception")
} catch (e) {
assert_equals(e.name, "IndexSizeError", "focus offset, got an IndexSizeError exception")
}
try {
selection.setBaseAndExtent(title, -1, title, 0);
assert_true(false, "anchor offset, must throw an IndexSizeError exception")
} catch (e) {
assert_equals(e.name, "IndexSizeError", "anchor offset, got an IndexSizeError exception")
}
}, "setBaseAndExtent() with negative index");
test(function() {
var title = document.getElementsByTagName('title')[0];
try {
selection.setBaseAndExtent(title, 0, null, 0);
assert_true(false, "focus node, must throw an TypeError exception")
} catch (e) {
assert_equals(e.name, "TypeError", "focus node, got an TypeError exception")
}
try {
selection.setBaseAndExtent(null, 0, title, 0);
assert_true(false, "anchor node, must throw an TypeError exception")
} catch (e) {
assert_equals(e.name, "TypeError", "anchor node, got an TypeError exception")
}
try {
selection.setBaseAndExtent(null, 0, null, 0);
assert_true(false, "both nodes, must throw an TypeError exception")
} catch (e) {
assert_equals(e.name, "TypeError", "both nodes, got an TypeError exception")
}
}, "setBaseAndExtent() with null nodes");
test(function() {
var title = document.getElementsByTagName('title')[0];
try {
selection.setBaseAndExtent(title, 0, title);
assert_true(false, "focus offset, must throw an TypeError exception")
} catch (e) {
assert_equals(e.name, "TypeError", "focus offset, got an TypeError exception")
}
try {
selection.setBaseAndExtent(title, 0);
assert_true(false, "focus node, must throw an TypeError exception")
} catch (e) {
assert_equals(e.name, "TypeError", "focus node, got an TypeError exception")
}
try {
selection.setBaseAndExtent(title);
assert_true(false, "anchor offset, must throw an TypeError exception")
} catch (e) {
assert_equals(e.name, "TypeError", "anchor offset, got an TypeError exception")
}
}, "setBaseAndExtent() with too few params");
testDiv.style.display = "none";
</script>