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<!DOCTYPE html>
<title>HTMLSelectMenuElement Test: events</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>
<selectmenu id="selectMenu0">
<div slot="button" behavior="button">
<span behavior="selected-value"></span>
<button id="selectMenu0-button">selectMenu0-button</button>
</div>
<option>one</option>
<option>two</option>
<option>three</option>
</selectmenu>
<selectmenu id="selectMenu1">
<option>one</option>
<option>
two
<button id="selectMenu1-button">selectMenu1-button</button>
</option>
<option>three</option>
</selectmenu>
<selectmenu id="selectMenu2">
<option>one</option>
<option>two</option>
<option>three</option>
</selectmenu>
<selectmenu id="selectMenu3">
<option>same</option>
<option>same</option>
</selectmenu>
<selectmenu id="selectMenu4">
<option>one</option>
<option id="selectMenu4-option2">two</option>
</selectmenu>
<selectmenu id="selectMenu5WithTabIndex" tabindex="1">
<option>one</option>
<option>two</option>
</selectmenu>
<input id="input6"/>
<selectmenu id="selectMenu7">
<button slot="button" behavior="button" id="selectMenu7-button">
selectMenu7-button
</button>
<option>one</option>
<option>two</option>
</selectmenu>
<script>
function clickOn(element) {
const actions = new test_driver.Actions();
return actions.pointerMove(0, 0, {origin: element})
.pointerDown({button: actions.ButtonType.LEFT})
.pointerUp({button: actions.ButtonType.LEFT})
.send();
}
promise_test(async () => {
const selectMenu = document.getElementById("selectMenu0");
const selectMenuButton = document.getElementById("selectMenu0-button");
assert_false(selectMenu.open);
const selectMenuButtonPromise = new Promise(async resolve => {
selectMenuButton.addEventListener("click", (e) => {
assert_false(selectMenu.open, "Listbox shouldn't have opened yet");
// PreventDefaulting the event here should prevent UA controller code
// on the button part from opening the listbox.
e.preventDefault();
resolve();
});
});
const selectMenuPromise = new Promise(async resolve => {
selectMenu.addEventListener("click", (e) => {
assert_true(e.defaultPrevented, "Event should have been defaultPrevented by selectMenuButton click handler");
assert_false(selectMenu.open, "Listbox shouldn't have opened, because click event was defaultPrevented.");
resolve();
});
});
await clickOn(selectMenuButton);
return Promise.all([selectMenuButtonPromise, selectMenuPromise]);
}, "Button controller code should not run if the click event is preventDefaulted.");
// See https://w3c.github.io/webdriver/#keyboard-actions
const KEY_CODE_MAP = {
'Tab': '\uE004',
'Enter': '\uE007',
'Space': '\uE00D',
'ArrowUp': '\uE013',
'ArrowDown': '\uE015',
};
promise_test(async () => {
const selectMenu = document.getElementById("selectMenu1");
const selectMenuButton = document.getElementById("selectMenu1-button");
await clickOn(selectMenu);
assert_true(selectMenu.open);
const selectMenuButtonPromise = new Promise(async resolve => {
selectMenuButton.addEventListener("click", (e) => {
assert_true(selectMenu.open, "Listbox shouldn't have closed yet");
// PreventDefaulting the event here should prevent UA controller code
// on the listbox part from selecting the option and closing the listbox.
e.preventDefault();
resolve();
});
});
const selectMenuPromise = new Promise(async resolve => {
selectMenu.addEventListener("click", (e) => {
assert_true(e.defaultPrevented, "Event should have been defaultPrevented by selectMenuButton click handler");
assert_true(selectMenu.open, "Listbox shouldn't have closed, because keydown event was defaultPrevented.");
assert_equals(selectMenu.value, "one", "<selectmenu> shouldn't have changed value, because keydown event was defaultPrevented.");
resolve();
});
});
await clickOn(selectMenuButton);
return Promise.all([selectMenuButtonPromise, selectMenuPromise]);
}, "Listbox controller code should not run if the click event is preventDefaulted.");
promise_test(async () => {
const selectMenu = document.getElementById("selectMenu2");
let input_event_count = 0;
let change_event_count = 0;
selectMenu.addEventListener("input", (e) => {
assert_true(e.composed, "input event should be composed");
assert_equals(input_event_count, 0, "input event should not fire twice");
assert_equals(change_event_count, 0, "input event should not fire before change");
input_event_count++;
});
selectMenu.addEventListener("change", (e) => {
assert_false(e.composed, "change event should not be composed");
assert_equals(input_event_count, 1, "change event should fire after input");
assert_equals(change_event_count, 0, "change event should not fire twice");
change_event_count++;
});
await clickOn(selectMenu);
assert_true(selectMenu.open);
await test_driver.send_keys(selectMenu, KEY_CODE_MAP.Enter);
assert_false(selectMenu.open);
assert_equals(selectMenu.value, "one");
assert_equals(input_event_count, 0, "input event shouldn't fire if value wasn't changed");
assert_equals(change_event_count, 0, "change event shouldn't fire if value wasn't changed");
await clickOn(selectMenu);
assert_true(selectMenu.open);
await test_driver.send_keys(selectMenu, KEY_CODE_MAP.ArrowDown);
assert_equals(selectMenu.value, "two", "value should change when user switches options with arrow key");
assert_equals(input_event_count, 1, "input event should fire when user switches options with arrow key");
assert_equals(change_event_count, 0, "change event shouldn't fire until popover is closed");
await test_driver.send_keys(selectMenu, KEY_CODE_MAP.Enter);
assert_equals(selectMenu.value, "two");
assert_equals(input_event_count, 1, "input event should have fired");
assert_equals(change_event_count, 1, "change event should have fired");
}, "<selectmenu> should fire input and change events when new option is selected");
promise_test(async () => {
const selectMenu = document.getElementById("selectMenu3");
let input_event_count = 0;
let change_event_count = 0;
selectMenu.addEventListener("input", (e) => {
assert_true(e.composed, "input event should be composed");
assert_equals(input_event_count, 0, "input event should not fire twice");
assert_equals(change_event_count, 0, "input event should not fire before change");
input_event_count++;
});
selectMenu.addEventListener("change", (e) => {
assert_false(e.composed, "change event should not be composed");
assert_equals(input_event_count, 1, "change event should fire after input");
assert_equals(change_event_count, 0, "change event should not fire twice");
change_event_count++;
});
await clickOn(selectMenu);
assert_true(selectMenu.open);
await test_driver.send_keys(selectMenu, KEY_CODE_MAP.ArrowDown);
await test_driver.send_keys(selectMenu, KEY_CODE_MAP.Enter);
assert_equals(input_event_count, 1, "input event should have fired");
assert_equals(change_event_count, 1, "change event should have fired");
}, "<selectmenu> should fire input and change events even when new selected option has the same value as the old");
promise_test(async () => {
const selectMenu = document.getElementById("selectMenu4");
const selectMenuOption2 = document.getElementById("selectMenu4-option2");
let input_event_count = 0;
let change_event_count = 0;
selectMenu.addEventListener("input", (e) => {
assert_true(e.composed, "input event should be composed");
assert_equals(input_event_count, 0, "input event should not fire twice");
assert_equals(change_event_count, 0, "input event should not fire before change");
input_event_count++;
});
selectMenu.addEventListener("change", (e) => {
assert_false(e.composed, "change event should not be composed");
assert_equals(input_event_count, 1, "change event should fire after input");
assert_equals(change_event_count, 0, "change event should not fire twice");
change_event_count++;
});
await clickOn(selectMenu);
assert_true(selectMenu.open);
await clickOn(selectMenuOption2);
assert_equals(input_event_count, 1, "input event shouldn't fire when selected option didn't change");
assert_equals(change_event_count, 1, "change event shouldn't fire when selected option didn't change");
}, "<selectmenu> should fire input and change events when option in listbox is clicked");
promise_test(async() => {
const selectMenu = document.getElementById("selectMenu2");
await test_driver.send_keys(selectMenu, " ");
assert_true(selectMenu.open, "<Space> should open selectmenu");
await test_driver.send_keys(selectMenu, KEY_CODE_MAP.Enter);
assert_false(selectMenu.open, "<Enter> should close selectmenu");
}, "Check that <Space> opens <selectmenu>.");
promise_test(async() => {
const selectMenu = document.getElementById("selectMenu5WithTabIndex");
await test_driver.send_keys(selectMenu, " ");
assert_true(selectMenu.open, "<Space> should open selectmenu");
await test_driver.send_keys(selectMenu, KEY_CODE_MAP.Enter);
assert_false(selectMenu.open, "<Enter> should close selectmenu");
}, "Check that <Space> opens <selectmenu> when <selectmenu> specifies tabindex");
promise_test(async() => {
const input6 = document.getElementById("input6");
const selectMenu = document.getElementById("selectMenu7");
const selectMenuButton = document.getElementById("selectMenu7-button")
var keydown_count = 0;
selectMenuButton.addEventListener("keydown", (e) => {
keydown_count++;
});
// Focus selectmenu via Tab traversal because focus() does not work when selectmenu
// has custom slot.
// TODO(http://crbug.com/1440573) Fix this.
await test_driver.send_keys(input6, KEY_CODE_MAP.Tab);
await test_driver.send_keys(selectMenu, "a");
assert_equals(keydown_count, 1, "button in shadowroot should have observed keydown");
}, "Test that <selectmenu> button slot receives key events.");
</script>
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