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<!DOCTYPE html>
<title>HTMLSelectMenuElement Test: value and selectedOption</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<selectmenu id="selectMenu0"></selectmenu>
<selectmenu id="selectMenu1">
<option>one</option>
<option>two</option>
<div>I'm a div with no part attr</div>
<option id="selectMenu1-option3">three</option>
<option>four</option>
</selectmenu>
<selectmenu id="selectMenu2">
<div behavior="option">one</div>
<div behavior="option">two</div>
<div>I'm a div with no part attr</div>
<div behavior="option">three</div>
<div behavior="option">four</div>
</selectmenu>
<selectmenu id="selectMenu3">
<div>I'm a div with no part attr</div>
<option id="selectMenu3-child1">one</option>
<option id="selectMenu3-child2">two</option>
<option id="selectMenu3-child3">three</option>
</selectmenu>
<selectmenu id="selectMenu4">
<div slot="button" behavior="button">
<div behavior="selected-value" id="selectMenu4-custom-selected-value">Default custom selected-value text</div>
</div>
<option id="selectMenu4-option1">one</option>
<option id="selectMenu4-option2">two</option>
</selectmenu>
<selectmenu id="selectMenu5">
<div slot="button" behavior="button">
<div behavior="selected-value" id="selectMenu5-custom-selected-value">Default custom selected-value text</div>
</div>
<div popover slot="listbox" behavior="listbox">
<option id="selectMenu5-option1">one</option>
<option id="selectMenu5-option2">two</option>
</div>
</selectmenu>
<selectmenu id="selectMenu6">
<option id="selectMenu6-option1">one</option>
<option id="selectMenu6-option2" selected>two</option>
<option id="selectMenu6-option3">three</option>
</selectmenu>
<selectmenu id="selectMenu7">
<option id="selectMenu7-option1">one</option>
<option id="selectMenu7-option2" selected value="test">two</option>
<option>three</option>
</selectmenu>
<script>
test(() => {
const selectMenu0 = document.getElementById("selectMenu0");
assert_equals(selectMenu0.value, "");
assert_equals(selectMenu0.selectedOption, null);
selectMenu0.value = "something";
assert_equals(selectMenu0.value, "", "If there is no matching option, selectmenu should be cleared");
assert_equals(selectMenu0.selectedOption, null);
}, "Test that HTMLSelectMenu with no options has empty string for value and null for selectedOption");
test(() => {
const selectMenu1 = document.getElementById("selectMenu1");
assert_equals(selectMenu1.value, "one", "value should start with the text of the first option part");
selectMenu1.value = "three";
assert_equals(selectMenu1.value, "three", "value can be set to the text of an option part");
assert_equals(selectMenu1.selectedOption, document.getElementById("selectMenu1-option3"));
selectMenu1.value = "I'm a div with no part attr";
assert_equals(selectMenu1.value, "", "If there is no matching option selectmenu should be cleared");
assert_equals(selectMenu1.selectedOption, null);
}, "Test value and selectedOption with HTMLOptionElement element option parts");
test(() => {
const selectMenu1 = document.getElementById("selectMenu1");
selectMenu1.value = "one";
assert_equals(selectMenu1.value, "one");
selectMenu1.value = null;
assert_equals(selectMenu1.value, "");
assert_equals(selectMenu1.selectedOption, null);
}, "Test value and selectedOption when value is null");
test(() => {
const selectMenu1 = document.getElementById("selectMenu1");
selectMenu1.value = "one";
assert_equals(selectMenu1.value, "one");
selectMenu1.value = undefined;
assert_equals(selectMenu1.value, "");
assert_equals(selectMenu1.selectedOption, null);
}, "Test value and selectedOption when value is undefined");
test(() => {
const selectMenu2 = document.getElementById("selectMenu2");
assert_equals(selectMenu2.value, "", "Non-HTMLOptionElements shouldn't be treated as option parts");
assert_equals(selectMenu2.selectedOption, null);
selectMenu2.value = "three";
assert_equals(selectMenu2.value, "", "value can't be set when there are no option parts'");
assert_equals(selectMenu2.selectedOption, null);
}, "Test value with non-HTMLOptionElement elements labeled as parts");
test(() => {
const selectMenu3 = document.getElementById("selectMenu3");
assert_equals(selectMenu3.value, "one", "value should start with the text of the first option part");
assert_equals(selectMenu3.selectedOption, document.getElementById("selectMenu3-child1"));
document.getElementById("selectMenu3-child3").remove();
assert_equals(selectMenu3.value, "one", "Removing a non-selected option should not change the value");
assert_equals(selectMenu3.selectedOption, document.getElementById("selectMenu3-child1"));
document.getElementById("selectMenu3-child1").remove();
assert_equals(selectMenu3.value, "two", "When the selected option is removed, the new first option should become selected");
assert_equals(selectMenu3.selectedOption, document.getElementById("selectMenu3-child2"));
document.getElementById("selectMenu3-child2").remove();
assert_equals(selectMenu3.value, "", "When all options are removed, value should be the empty string");
assert_equals(selectMenu3.selectedOption, null);
}, "Test that value and selectedOption are updated when options are removed");
test(() => {
const selectMenu4 = document.getElementById("selectMenu4");
let customSelectedValuePart = document.getElementById("selectMenu4-custom-selected-value");
assert_equals(selectMenu4.value, "one", "value should start with the text of the first option part");
assert_equals(selectMenu4.selectedOption, document.getElementById("selectMenu4-option1"));
assert_equals(customSelectedValuePart.innerText, "one", "Custom selected value part should be set to initial value of selectmenu");
selectMenu4.value = "two";
assert_equals(customSelectedValuePart.innerText, "two", "Custom selected value part should be updated when value of selectmenu changes");
assert_equals(selectMenu4.selectedOption, document.getElementById("selectMenu4-option2"));
}, "Test that slotted-in selected-value part is updated to value of selectmenu");
test(() => {
const selectMenu5 = document.getElementById("selectMenu5");
let customSelectedValuePart = document.getElementById("selectMenu5-custom-selected-value");
assert_equals(selectMenu5.value, "one", "value should start with the text of the first option part");
assert_equals(selectMenu5.selectedOption, document.getElementById("selectMenu5-option1"));
assert_equals(customSelectedValuePart.innerText, "one", "Custom selected value part should be set to initial value of selectmenu");
selectMenu5.value = "two";
assert_equals(customSelectedValuePart.innerText, "two", "Custom selected value part should be updated when value of selectmenu changes");
assert_equals(selectMenu5.selectedOption, document.getElementById("selectMenu5-option2"));
}, "Test that option parts in a slotted-in listbox are reflected in the value property");
test(() => {
let selectMenu = document.createElement('selectmenu');
assert_equals(selectMenu.value, "");
let option = document.createElement('option');
option.innerText = "one";
selectMenu.appendChild(option);
assert_equals(selectMenu.value, "one");
assert_equals(selectMenu.selectedOption, option);
let newOption = document.createElement('option');
newOption.innerText = 'two';
selectMenu.appendChild(newOption);
selectMenu.value = "two";
assert_equals(selectMenu.value, "two");
assert_equals(selectMenu.selectedOption, newOption);
option.click();
assert_equals(selectMenu.value, "one");
assert_equals(selectMenu.selectedOption, option);
}, "Test that value and selectedOption are correctly updated");
test(() => {
const selectMenu = document.getElementById("selectMenu6");
let selectMenuOption1 = document.getElementById("selectMenu6-option1");
assert_equals(selectMenu.value, "two");
assert_equals(selectMenu.selectedOption, document.getElementById("selectMenu6-option2"));
assert_false(selectMenuOption1.selected);
selectMenuOption1.selected = true;
assert_equals(selectMenu.value, "one");
assert_equals(selectMenu.selectedOption, selectMenuOption1);
let newOption = document.createElement("option");
newOption.innerText = "four";
newOption.selected = true;
selectMenu.appendChild(newOption);
assert_equals(selectMenu.value, "four");
assert_equals(selectMenu.selectedOption, newOption);
assert_false(selectMenuOption1.selected);
selectMenu.value = "three";
assert_equals(selectMenu.selectedOption, document.getElementById("selectMenu6-option3"));
assert_false(newOption.selected);
}, "Test that HTMLOption.selected updates selectmenu.value and selectmenu.selectedOption");
test(() => {
const selectMenu = document.getElementById("selectMenu7");
let selectMenuOption1 = document.getElementById("selectMenu7-option1");
assert_equals(selectMenu.value, "test");
assert_equals(selectMenu.selectedOption, document.getElementById("selectMenu7-option2"));
assert_false(selectMenuOption1.selected);
selectMenuOption1.selected = true;
assert_equals(selectMenu.value, "one");
assert_equals(selectMenu.selectedOption, selectMenuOption1);
selectMenuOption1.value = "new test";
assert_equals(selectMenu.value, "new test");
assert_equals(selectMenu.selectedOption, selectMenuOption1);
selectMenuOption1.removeAttribute("value");
assert_equals(selectMenu.value, "one");
assert_equals(selectMenu.selectedOption, selectMenuOption1);
selectMenuOption1.value = "";
assert_equals(selectMenu.value, "");
assert_equals(selectMenu.selectedOption, selectMenuOption1);
}, "Test that HTMLOption.value updates selectmenu.value");
</script>
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