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<!DOCTYPE html>
<meta charset="utf-8">
<title>TestDriver actions: event order</title>
<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>
<button id="a">Button a</button>
<button id="b">Button b</button>
<input id="text-input">
<script>
// Pointer 1 is added before Pointer 2 so it comes first in the list of sources
// Therefore its actions happen first
let events = [];
promise_test(() => {
Array.prototype.forEach.call(document.getElementsByTagName("button"),
(x) => x.addEventListener("mousedown", () => {events.push(x.id)}));
let button_a = document.getElementById("a");
let button_b = document.getElementById("b");
return new test_driver.Actions()
.addPointer("pointer1")
.addPointer("pointer2")
.pointerMove(0, 0, {origin: button_a, sourceName: "pointer1"})
.pointerMove(0, 0, {origin: button_b, sourceName: "pointer2"})
.pointerDown({sourceName: "pointer2"})
.pointerDown({sourceName: "pointer1"})
.pointerUp({sourceName: "pointer2"})
.pointerUp({sourceName: "pointer1"})
.send()
.then(() => assert_array_equals(events, ["a", "b"]));
});
// This test uses a large number of keyboard sources to force race conditions
// in implementations which incorrectly dispatch events. Despite belonging to
// the same "tick," each action's initial event should be dispatched in series.
promise_test(() => {
const input = document.getElementById("text-input");
const actions = new test_driver.Actions();
const code_for_a = "a".charCodeAt(0);
const keys = Array.from(Array(26))
.map((_, index) => ({
sourceName: "keyboard" + index,
code: String.fromCharCode(code_for_a + index)
}));
keys.forEach(({sourceName}) => actions.addKeyboard(sourceName));
keys.forEach(({code, sourceName}) => actions.keyDown(code, {sourceName}));
keys.forEach(({code, sourceName}) => actions.keyUp(code,{sourceName}));
return test_driver.click(input)
.then(() => actions.send())
.then(() => {
assert_equals(input.value, "abcdefghijklmnopqrstuvwxyz");
});
}, "indivisible actions on the same track dispatch events in series");
</script>
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