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<!DOCTYPE html>
<meta charset=utf-8>
<title>dialog element: showModal()</title>
<link rel="author" title="Denis Ah-Kang" href="mailto:denis@w3.org">
<link rel=help href="https://html.spec.whatwg.org/multipage/#the-dialog-element">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<button id="b0">OK</button>
<dialog id="d1">
<p>foobar</p>
<button id="b1">OK</button>
</dialog>
<dialog id="d2" open>
<p>foobar</p>
<button>OK</button>
</dialog>
<dialog id="d3">
<p>foobar</p>
<button id="b3">OK</button>
</dialog>
<dialog id="d4">
<p>foobar</p>
<button id="b4">OK</button>
</dialog>
<dialog id="d5">
<p>foobar</p>
<button id="b5">OK</button>
</dialog>
<dialog id="d6"></dialog>
<dialog id="d7">
<input id="i71" value="foobar">
<input id="i72" value="foobar">
<button id="b7">OK</button>
</dialog>
<dialog id="d8">
<input id="i81" value="foobar">
<input id="i82" value="foobar" autofocus>
<button id="b8">OK</button>
</dialog>
<dialog id="d9"></dialog>
<dialog id="d10"></dialog>
<dialog id="d11"></dialog>
<script>
var d1 = document.getElementById('d1'),
d2 = document.getElementById('d2'),
d3 = document.getElementById('d3'),
d4 = document.getElementById('d4'),
d5 = document.getElementById('d5'),
d6 = document.getElementById('d6'),
d7 = document.getElementById('d7'),
d8 = document.getElementById('d8'),
d9 = document.getElementById('d9'),
d10 = document.getElementById('d10'),
d11 = document.getElementById('d11'),
b0 = document.getElementById('b0'),
b1 = document.getElementById('b1'),
b3 = document.getElementById('b3'),
b4 = document.getElementById('b4'),
b5 = document.getElementById('b5');
test(function(){
assert_false(d1.open);
assert_false(d1.hasAttribute("open"));
assert_equals(getComputedStyle(d1).display, "none");
d1.showModal();
this.add_cleanup(function() { d1.close(); });
assert_true(d1.open);
assert_equals(d1.getAttribute("open"), "");
assert_equals(getComputedStyle(d1).display, "block");
assert_equals(document.activeElement, b1);
});
test(function(){
this.add_cleanup(function() { d2.close(); });
assert_throws_dom("INVALID_STATE_ERR", function() {
d2.showModal();
});
}, "showModal() on a <dialog> that already has an open attribute throws an InvalidStateError exception");
test(function(){
d9.showModal();
this.add_cleanup(function() { d9.close(); });
assert_true(d9.open);
d9.removeAttribute("open");
assert_false(d9.open);
d9.showModal();
assert_true(d9.open);
}, "showModal() on a <dialog> after initial showModal() and removing the open attribute");
test(function(){
var d = document.createElement("dialog");
this.add_cleanup(function() { d.close(); });
assert_throws_dom("INVALID_STATE_ERR", function() {
d.showModal();
});
}, "showModal() on a <dialog> not in a Document throws an InvalidStateError exception");
test(function(){
assert_false(d3.open);
assert_false(d4.open);
assert_false(d5.open);
d3.showModal();
this.add_cleanup(function() { d3.close(); });
d4.showModal();
this.add_cleanup(function() { d4.close(); });
d5.showModal();
this.add_cleanup(function() { d5.close(); });
assert_true(d3.open);
assert_true(d4.open);
assert_true(d5.open);
}, "when opening multiple dialogs, only the newest one is non-inert");
test(function(){
assert_false(d6.open);
d6.showModal();
this.add_cleanup(function() { d6.close(); });
assert_true(d6.open);
assert_equals(document.activeElement, d6);
}, "opening dialog without focusable children");
test(function(){
assert_false(d7.open);
d7.showModal();
this.add_cleanup(function() { d7.close(); });
assert_true(d7.open);
assert_equals(document.activeElement, document.getElementById("i71"));
}, "opening dialog with multiple focusable children");
test(function(){
assert_false(d8.open);
d8.showModal();
this.add_cleanup(function() { d8.close(); });
assert_true(d8.open);
assert_equals(document.activeElement, document.getElementById("i82"));
}, "opening dialog with multiple focusable children, one having the autofocus attribute");
test(function(){
assert_false(d10.open);
assert_false(d11.open);
d10.showModal();
this.add_cleanup(function() { d10.close(); });
d11.showModal();
this.add_cleanup(function() { d11.close(); });
var rect10 = d10.getBoundingClientRect();
var rect11 = d11.getBoundingClientRect();
// The two <dialog>s are both in top layer, with the same position/size.
assert_equals(rect10.left, rect11.left);
assert_equals(rect10.top, rect11.top);
assert_equals(rect10.width, rect11.width);
assert_equals(rect10.height, rect11.height);
var pointX = rect10.left + rect10.width / 2,
pointY = rect10.top + rect10.height / 2;
function topElement() {
return document.elementFromPoint(pointX, pointY);
}
// d11 was most recently openened, and thus on top.
assert_equals(topElement(), d11);
// Removing the open attribute and running through the showModal() algorithm
// again should promote d10 to the top.
d10.removeAttribute("open");
assert_equals(topElement(), d11);
d10.showModal();
assert_equals(topElement(), d10);
// Closing d11 with close() should cause d10 to be the topmost element.
d11.close();
assert_equals(topElement(), d10);
}, "when opening multiple dialogs, the most recently opened is rendered on top");
test(function() {
assert_false(d11.open);
d11.parentNode.removeChild(d11);
assert_throws_dom("INVALID_STATE_ERR", () => d11.showModal());
const doc = document.implementation.createHTMLDocument();
doc.body.appendChild(d11);
this.add_cleanup(() => document.body.append(d11));
assert_false(d11.open);
assert_throws_dom("INVALID_STATE_ERR", () => d11.showModal());
assert_false(d11.open);
}, "When the document is not attached to any pages, showModal() should throw.");
</script>
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