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<!DOCTYPE html>
<html>
<body>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="Selection's direction should return none, forwad, or backward">
<link rel="help" href="https://w3c.github.io/selection-api/#dom-selection-getcomposedrange">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src='/resources/testdriver-vendor.js'></script>
<div id="container"></div>
<script>
test(() => {
getSelection().removeAllRanges();
assert_equals(getSelection().direction, 'none');
}, 'direction returns "none" when there is no selection');
test(() => {
container.innerHTML = 'hello, world';
getSelection().setBaseAndExtent(container.firstChild, 0, container.firstChild, 5);
assert_equals(getSelection().direction, 'forward');
}, 'direction returns "forward" when there is a forward-direction selection in the document tree');
test(() => {
container.innerHTML = 'hello, world';
getSelection().setBaseAndExtent(container.firstChild, 4, container.firstChild, 3);
assert_equals(getSelection().direction, 'backward');
}, 'direction returns "backward" when there is a backward-direction selection in the document tree');
test(() => {
container.innerHTML = 'a<div id="host"></div>b';
const shadowRoot = host.attachShadow({mode: 'closed'});
shadowRoot.innerHTML = 'hello, world';
getSelection().setBaseAndExtent(shadowRoot.firstChild, 0, shadowRoot.firstChild, 5);
assert_equals(getSelection().direction, 'forward');
}, 'direction returns "forward" when there is a forward selection in the shadow tree');
test(() => {
container.innerHTML = 'a<div id="host"></div>b';
const shadowRoot = host.attachShadow({mode: 'closed'});
shadowRoot.innerHTML = 'hello, world';
getSelection().setBaseAndExtent(shadowRoot.firstChild, 5, shadowRoot.firstChild, 3);
assert_equals(getSelection().direction, 'backward');
}, 'direction returns "backward" when there is a backward selection in the shadow tree');
test(() => {
container.innerHTML = 'a<div id="host"></div>b';
const shadowRoot = host.attachShadow({mode: 'closed'});
shadowRoot.innerHTML = 'hello, world';
getSelection().setBaseAndExtent(shadowRoot.firstChild, 7, container, 2);
assert_equals(getSelection().direction, 'forward');
}, 'direction returns "forward" when there is a forward selection that crosses shadow boundaries');
test(() => {
container.innerHTML = 'a<div id="host"></div>b';
const shadowRoot = host.attachShadow({mode: 'closed'});
shadowRoot.innerHTML = 'hello, world';
getSelection().setBaseAndExtent(shadowRoot.firstChild, 7, container, 1);
assert_equals(getSelection().direction, 'backward');
}, 'direction returns "backward" when there is a forward selection that crosses shadow boundaries');
promise_test(async () => {
container.innerHTML = 'hello, world';
const doubleClick = new test_driver.Actions()
.pointerMove(0, 0, container.firstChild)
.pointerDown()
.pointerUp()
.pointerDown()
.pointerUp()
.send();
await doubleClick;
const sel = getSelection();
assert_equals(sel.anchorNode, container.firstChild);
assert_equals(sel.anchorOffset, 0);
assert_equals(sel.focusNode, container.firstChild);
assert_equals(sel.focusOffset, 5); // hello
assert_equals(sel.direction, 'none');
}, 'direction returns "none" when there is a double click selection(directionless)');
promise_test(async () => {
container.innerHTML = 'hello, world';
const tripleClick = new test_driver.Actions()
.pointerMove(0, 0, container.firstChild)
.pointerDown()
.pointerUp()
.pointerDown()
.pointerUp()
.pointerDown()
.pointerUp()
.send();
await tripleClick;
const sel = getSelection();
assert_equals(sel.anchorNode, container);
assert_equals(sel.anchorOffset, 0);
assert_equals(sel.focusNode, container);
assert_equals(sel.focusOffset, 1);
assert_equals(sel.direction, 'none');
}, 'direction returns "none" when there is a triple click selection(directionless)');
</script>
</body>
</html>
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