mozilla-central/testing/web-platform/tests/shadow-dom/Extensions-to-Event-Interface.html

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<!DOCTYPE html>
<html>
<head>
<title>Shadow DOM: Extensions to Event Interface</title>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="Event interface must have composedPath() as a method">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/event-path-test-helpers.js"></script>
</head>
<body>
<div id="log"></div>
<script>
test(function () {
var event = new Event('my-event');
assert_array_equals(event.composedPath(), []);
}, 'composedPath() must return an empty array when the event has not been dispatched');
test(function () {
var event = new Event('my-event');
document.body.dispatchEvent(event);
assert_array_equals(event.composedPath(), []);
}, 'composedPath() must return an empty array when the event is no longer dispatched');
test(function () {
var event = new Event('my-event');
assert_false(event.composed);
}, 'composed on EventInit must default to false');
test(function () {
var event = new Event('my-event', {composed: true});
assert_true(event.composed);
event = new Event('my-event', {composed: false});
assert_false(event.composed);
}, 'composed on EventInit must set the composed flag');
/*
-SR: ShadowRoot -S: Slot target: (~) *: indicates start digit: event path order
A (4) --------------------------- A-SR (3)
+ B ------------ B-SR + A1 (2) --- A1-SR (1)
+ C + B1 --- B1-SR + A2-S + A1a (*; 0)
+ D --- D-SR + B1a + B1b --- B1b-SR
+ D1 + B1c-S + B1b1
+ B1b2
*/
function testComposedEvent(mode) {
test(function () {
var nodes = createFixedTestTree(mode);
var log = dispatchEventWithEventLog(nodes, nodes.A1a, new Event('my-event', {composed: true, bubbles: true}));
var expectedPath = ['A1a', 'A1-SR', 'A1', 'A-SR', 'A'];
assert_array_equals(log.eventPath, expectedPath);
assert_equals(log.eventPath.length, log.pathAtTargets.length);
assert_array_equals(log.pathAtTargets[0], expectedPath);
assert_array_equals(log.pathAtTargets[1], expectedPath);
assert_array_equals(log.pathAtTargets[2], mode == 'open' ? expectedPath : ['A1', 'A-SR', 'A'],
'composedPath must only contain unclosed nodes of the current target.');
}, 'The event must propagate out of ' + mode + ' mode shadow boundaries when the composed flag is set');
}
testComposedEvent('open');
testComposedEvent('closed');
/*
-SR: ShadowRoot -S: Slot target: (~) *: indicates start digit: event path order
A ------------------------------- A-SR
+ B ------------ B-SR + A1 --- A1-SR (1)
+ C + B1 --- B1-SR + A2-S + A1a (*; 0)
+ D --- D-SR + B1a + B1b --- B1b-SR
+ D1 + B1c-S + B1b1
+ B1b2
*/
function testNonComposedEvent(mode) {
test(function () {
var nodes = createFixedTestTree(mode);
var log = dispatchEventWithEventLog(nodes, nodes.A1a, new Event('my-event', {composed: false, bubbles: true}));
var expectedPath = ['A1a', 'A1-SR'];
assert_array_equals(log.eventPath, expectedPath);
assert_equals(log.eventPath.length, log.pathAtTargets.length);
assert_array_equals(log.pathAtTargets[0], expectedPath);
assert_array_equals(log.pathAtTargets[1], expectedPath);
}, 'The event must not propagate out of ' + mode + ' mode shadow boundaries when the composed flag is unset');
}
testNonComposedEvent('open');
testNonComposedEvent('closed');
/*
-SR: ShadowRoot -S: Slot target: (~) relatedTarget: [~] *: indicates start digit: event path order
A ------------------------------- A-SR
+ B ------------ B-SR + A1 ----------- A1-SR (1)
+ C + B1 --- B1-SR + A2-S [*; 0-1] + A1a (*; 0)
+ D --- D-SR + B1a + B1b --- B1b-SR
+ D1 + B1c-S + B1b1
+ B1b2
*/
function testNonComposedEventWithRelatedTarget(mode) {
test(function () {
var nodes = createFixedTestTree(mode);
var log = dispatchEventWithEventLog(nodes, nodes.A1a, new MouseEvent('foo', {composed: false, bubbles: true, relatedTarget: nodes['A2-S']}));
var expectedPath = ['A1a', 'A1-SR'];
assert_array_equals(log.eventPath, expectedPath);
assert_equals(log.eventPath.length, log.pathAtTargets.length);
assert_array_equals(log.pathAtTargets[0], expectedPath);
assert_array_equals(log.pathAtTargets[1], expectedPath);
assert_array_equals(log.relatedTargets, ['A2-S', 'A2-S']);
}, 'The event must not propagate out of ' + mode + ' mode shadow boundaries when the composed flag is unset on an event with relatedTarget');
}
testNonComposedEventWithRelatedTarget('open');
testNonComposedEventWithRelatedTarget('closed');
/*
-SR: ShadowRoot -S: Slot target: (~) relatedTarget: [~] *: indicates start digit: event path order
A ------------------------------------------------ A-SR
+ B ------------ B-SR (4) + A1 --- A1-SR
+ C + B1 (3) [0,3-4] --- B1-SR (2) + A2-S + A1a
+ D --- D-SR + B1a (*; 0) + B1b [1-2] --- B1b-SR
+ D1 + B1c-S (1) + B1b1
+ B1b2 [*]
*/
function testScopedEventWithUnscopedRelatedTargetThroughSlot(mode) {
test(function () {
var nodes = createFixedTestTree(mode);
var log = dispatchEventWithEventLog(nodes, nodes.B1a, new MouseEvent('foo', {scoped: true, relatedTargetScoped: false, bubbles: true, relatedTarget: nodes['B1b2']}));
var expectedPath = ['B1a', 'B1c-S', 'B1-SR', 'B1', 'B-SR'];
var pathExposedToB1a = ['B1a', 'B1', 'B-SR'];
assert_array_equals(log.eventPath, expectedPath);
assert_equals(log.eventPath.length, log.pathAtTargets.length);
assert_array_equals(log.pathAtTargets[0], mode == 'open' ? expectedPath : pathExposedToB1a);
assert_array_equals(log.pathAtTargets[1], expectedPath);
assert_array_equals(log.pathAtTargets[2], expectedPath);
assert_array_equals(log.pathAtTargets[3], mode == 'open' ? expectedPath : pathExposedToB1a);
assert_array_equals(log.pathAtTargets[4], mode == 'open' ? expectedPath : pathExposedToB1a);
assert_array_equals(log.relatedTargets, ['B1', 'B1b', 'B1b', 'B1', 'B1']);
}, 'The event must not propagate out of ' + mode + ' mode shadow tree of the target but must propagate out of inner shadow trees when the scoped flag is set');
}
testScopedEventWithUnscopedRelatedTargetThroughSlot('open');
testScopedEventWithUnscopedRelatedTargetThroughSlot('closed');
/*
-SR: ShadowRoot -S: Slot target: (~) relatedTarget: [~] *: indicates start digit: event path order
A ------------------------------- A-SR (3)
+ B ------------ B-SR + A1 (2) ------- A1-SR (1)
+ C + B1 --- B1-SR + A2-S [*; 0-3] + A1a (*; 0)
+ D --- D-SR + B1a + B1b --- B1b-SR
+ D1 + B1c-S + B1b1
+ B1b2
*/
function testComposedEventWithRelatedTarget(mode) {
test(function () {
var nodes = createFixedTestTree(mode);
log = dispatchEventWithEventLog(nodes, nodes.A1a, new MouseEvent('foo', {composed: true, bubbles: true, relatedTarget: nodes['A2-S']}));
var expectedPath = ['A1a', 'A1-SR', 'A1', 'A-SR'];
var pathExposedToA1 = ['A1', 'A-SR'];
assert_array_equals(log.eventPath, expectedPath);
assert_equals(log.eventPath.length, log.pathAtTargets.length);
assert_array_equals(log.pathAtTargets[0], expectedPath);
assert_array_equals(log.pathAtTargets[1], expectedPath);
assert_array_equals(log.pathAtTargets[2], mode == 'open' ? expectedPath : pathExposedToA1);
assert_array_equals(log.pathAtTargets[3], mode == 'open' ? expectedPath : pathExposedToA1);
assert_array_equals(log.relatedTargets, ['A2-S', 'A2-S', 'A2-S', 'A2-S']);
}, 'The event must propagate out of ' + mode + ' mode shadow tree in which the relative target and the relative related target are the same');
}
testComposedEventWithRelatedTarget('open');
testComposedEventWithRelatedTarget('closed');
/*
-SR: ShadowRoot -S: Slot target: (~) relatedTarget: [~] *: indicates start digit: event path order
A (8) [0-5,8] ---------------------------------------- A-SR (7)
+ B (5) ------- B-SR (4) + A1 [6,7] --- A1-SR
+ C + B1 (3) ------- B1-SR (2) + A2-S (6) + A1a [*]
+ D --- D-SR + B1a (*; 0) + B1b ------- B1b-SR
+ D1 + B1c-S (1) + B1b1
+ B1b2
*/
function testComposedEventThroughSlot(mode) {
test(function () {
var nodes = createFixedTestTree(mode);
log = dispatchEventWithEventLog(nodes, nodes.B1a, new MouseEvent('foo', {composed: true, bubbles: true, relatedTarget: nodes.A1a}));
var expectedPath = ['B1a', 'B1c-S', 'B1-SR', 'B1', 'B-SR', 'B', 'A2-S', 'A-SR', 'A'];
var expectedRelatedTarget = ['A', 'A', 'A', 'A', 'A', 'A', 'A1', 'A1', 'A'];
var pathExposedToB1a = ['B1a', 'B1', 'B-SR', 'B', 'A'];
var pathExposedToB1cS = ['B1a', 'B1c-S', 'B1-SR', 'B1', 'B-SR', 'B', 'A'];
var pathExposedToB = [ 'B', 'A'];
var pathExposedToA1 = [ 'B', 'A2-S', 'A-SR', 'A'];
assert_array_equals(log.eventPath, expectedPath);
assert_equals(log.eventPath.length, log.pathAtTargets.length);
assert_array_equals(log.pathAtTargets[0], mode == 'open' ? expectedPath : pathExposedToB1a);
assert_array_equals(log.pathAtTargets[1], mode == 'open' ? expectedPath : pathExposedToB1cS);
assert_array_equals(log.pathAtTargets[2], mode == 'open' ? expectedPath : pathExposedToB1cS);
assert_array_equals(log.pathAtTargets[3], mode == 'open' ? expectedPath : pathExposedToB1a);
assert_array_equals(log.pathAtTargets[4], mode == 'open' ? expectedPath : pathExposedToB1a);
assert_array_equals(log.pathAtTargets[5], mode == 'open' ? expectedPath : pathExposedToB);
assert_array_equals(log.pathAtTargets[6], mode == 'open' ? expectedPath : pathExposedToA1);
assert_array_equals(log.pathAtTargets[7], mode == 'open' ? expectedPath : pathExposedToA1);
assert_array_equals(log.pathAtTargets[8], mode == 'open' ? expectedPath : pathExposedToB);
assert_array_equals(log.relatedTargets, expectedRelatedTarget);
}, 'composedPath() must contain and only contain the unclosed nodes of target in ' + mode + ' mode shadow trees');
}
testComposedEventThroughSlot('open');
testComposedEventThroughSlot('closed');
</script>
</body>
</html>