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Test Info:
- Manifest: layout/base/tests/mochitest.toml
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<script>
"use strict";
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(async () => {
await SpecialPowers.pushPrefEnv({
set: [
["accessibility.browsewithcaret", true],
],
});
const selection = getSelection();
function checkCaret(aDescription, aExpectedNode, aExpectedOffset) {
is(selection.rangeCount, 1, `${aDescription}: should have exactly one range`);
ok(selection.isCollapsed, `${aDescription}: selection should be collapsed`);
is(selection.anchorNode, aExpectedNode, `${aDescription}: anchor node`);
is(selection.anchorOffset, aExpectedOffset, `${aDescription}: anchor offset`);
ok(
SpecialPowers.wrap(selection).interlinePosition,
`${aDescription}: caret should be associated with the start of the next line`
);
}
(function test_focus_container() {
info("Starting test_focus_container...");
document.body.innerHTML = '<div id="container" tabindex="0">abc<span>def</span></div>';
const container = document.getElementById("container");
container.focus();
// A focused node which has children gets the caret at its own start.
checkCaret("focusing an element with children", container, 0);
})();
(function test_focus_leaf() {
info("Starting test_focus_leaf...");
document.body.innerHTML = '<p>abc</p><div id="leaf" tabindex="0"></div><p>def</p>';
const leaf = document.getElementById("leaf");
leaf.focus();
// A focused leaf gets the caret before it, so that it doesn't look selected.
checkCaret("focusing a leaf element", document.body, 1);
})();
(function test_focus_form_control() {
info("Starting test_focus_form_control...");
document.body.innerHTML = '<p>abc</p><button id="button">def</button><p>ghi</p>';
document.getElementById("button").focus();
checkCaret("focusing a form control", document.body, 1);
})();
(function test_repeated_focus_moves() {
info("Starting test_repeated_focus_moves...");
document.body.innerHTML =
'<div id="wrapper"><button id="first">abc</button><button id="second">def</button></div>';
const wrapper = document.getElementById("wrapper");
const first = document.getElementById("first");
const second = document.getElementById("second");
// Both carets share a closest common inclusive ancestor, which is the case
// whose marks Selection::CollapseInternal() keeps in place.
for (let i = 0; i < 3; i++) {
first.focus();
checkCaret(`focusing the first button (pass ${i})`, wrapper, 0);
second.focus();
checkCaret(`focusing the second button (pass ${i})`, wrapper, 1);
}
})();
(function test_focus_replaces_selection() {
info("Starting test_focus_replaces_selection...");
document.body.innerHTML =
'<div id="wrapper">abcdef<button id="button">ghi</button>jkl</div>';
const wrapper = document.getElementById("wrapper");
selection.setBaseAndExtent(wrapper.firstChild, 0, wrapper.lastChild, 3);
ok(!selection.isCollapsed, "sanity check: the selection shouldn't be collapsed");
document.getElementById("button").focus();
checkCaret("focusing while a range of the same subtree is selected", wrapper, 1);
})();
SimpleTest.finish();
});
</script>
</head>
<body></body>
</html>