selectlist-value-selectedOption.tentative.html

mozilla-central/testing/web-platform/tests/html/semantics/forms/the-selectlist-element/selectlist-value-selectedOption.tentative.html

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Test Info: Warnings

This test has a WPT meta file that expects 11 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/semantics/forms/the-selectlist-element/selectlist-value-selectedOption.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>HTMLSelectListElement Test: value and selectedOption</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<selectlist id="selectList0"></selectlist>

<selectlist id="selectList1">

  <option>one</option>

  <option>two</option>

  <div>I'm a div with no part attr</div>

  <option id="selectList1-option3">three</option>

  <option>four</option>

</selectlist>

<selectlist id="selectList2">

  <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>

</selectlist>

<selectlist id="selectList3">

  <div>I'm a div with no part attr</div>

  <option id="selectList3-child1">one</option>

  <option id="selectList3-child2">two</option>

  <option id="selectList3-child3">three</option>

</selectlist>

<selectlist id="selectList4">

  <div slot="button" behavior="button">

    <div behavior="selected-value" id="selectList4-custom-selected-value">Default custom selected-value text</div>

  </div>

  <option id="selectList4-option1">one</option>

  <option id="selectList4-option2">two</option>

</selectlist>

<selectlist id="selectList5">

  <div slot="button" behavior="button">

    <div behavior="selected-value" id="selectList5-custom-selected-value">Default custom selected-value text</div>

  </div>

  <div popover slot="listbox" behavior="listbox">

    <option id="selectList5-option1">one</option>

    <option id="selectList5-option2">two</option>

  </div>

</selectlist>

<selectlist id="selectList6">

  <option id="selectList6-option1">one</option>

  <option id="selectList6-option2" selected>two</option>

  <option id="selectList6-option3">three</option>

</selectlist>

<selectlist id="selectList7">

  <option id="selectList7-option1">one</option>

  <option id="selectList7-option2" selected value="test">two</option>

  <option>three</option>

</selectlist>

<script>

test(() => {

  const selectList0 = document.getElementById("selectList0");

  assert_equals(selectList0.value, "");

  assert_equals(selectList0.selectedOption, null);

  selectList0.value = "something";

  assert_equals(selectList0.value, "", "If there is no matching option, selectlist should be cleared");

  assert_equals(selectList0.selectedOption, null);

}, "Test that HTMLSelectList with no options has empty string for value and null for selectedOption");

test(() => {

  const selectList1 = document.getElementById("selectList1");

  assert_equals(selectList1.value, "one", "value should start with the text of the first option part");

  selectList1.value = "three";

  assert_equals(selectList1.value, "three", "value can be set to the text of an option part");

  assert_equals(selectList1.selectedOption, document.getElementById("selectList1-option3"));

  selectList1.value = "I'm a div with no part attr";

  assert_equals(selectList1.value, "", "If there is no matching option selectlist should be cleared");

  assert_equals(selectList1.selectedOption, null);

}, "Test value and selectedOption with HTMLOptionElement element option parts");

test(() => {

  const selectList1 = document.getElementById("selectList1");

  selectList1.value = "one";

  assert_equals(selectList1.value, "one");

  selectList1.value = null;

  assert_equals(selectList1.value, "");

  assert_equals(selectList1.selectedOption, null);

}, "Test value and selectedOption when value is null");

test(() => {

  const selectList1 = document.getElementById("selectList1");

  selectList1.value = "one";

  assert_equals(selectList1.value, "one");

  selectList1.value = undefined;

  assert_equals(selectList1.value, "");

  assert_equals(selectList1.selectedOption, null);

}, "Test value and selectedOption when value is undefined");

test(() => {

  const selectList2 = document.getElementById("selectList2");

  assert_equals(selectList2.value, "", "Non-HTMLOptionElements shouldn't be treated as option parts");

  assert_equals(selectList2.selectedOption, null);

  selectList2.value = "three";

  assert_equals(selectList2.value, "", "value can't be set when there are no option parts'");

  assert_equals(selectList2.selectedOption, null);

}, "Test value with non-HTMLOptionElement elements labeled as parts");

test(() => {

  const selectList3 = document.getElementById("selectList3");

  assert_equals(selectList3.value, "one", "value should start with the text of the first option part");

  assert_equals(selectList3.selectedOption, document.getElementById("selectList3-child1"));

  document.getElementById("selectList3-child3").remove();

  assert_equals(selectList3.value, "one", "Removing a non-selected option should not change the value");

  assert_equals(selectList3.selectedOption, document.getElementById("selectList3-child1"));

  document.getElementById("selectList3-child1").remove();

  assert_equals(selectList3.value, "two", "When the selected option is removed, the new first option should become selected");

  assert_equals(selectList3.selectedOption, document.getElementById("selectList3-child2"));

  document.getElementById("selectList3-child2").remove();

  assert_equals(selectList3.value, "", "When all options are removed, value should be the empty string");

  assert_equals(selectList3.selectedOption, null);

}, "Test that value and selectedOption are updated when options are removed");

test(() => {

  const selectList4 = document.getElementById("selectList4");

  let customSelectedValuePart = document.getElementById("selectList4-custom-selected-value");

  assert_equals(selectList4.value, "one", "value should start with the text of the first option part");

  assert_equals(selectList4.selectedOption, document.getElementById("selectList4-option1"));

  assert_equals(customSelectedValuePart.innerText, "one", "Custom selected value part should be set to initial value of selectlist");

  selectList4.value = "two";

  assert_equals(customSelectedValuePart.innerText, "two", "Custom selected value part should be updated when value of selectlist changes");

  assert_equals(selectList4.selectedOption, document.getElementById("selectList4-option2"));

}, "Test that slotted-in selected-value part is updated to value of selectlist");

test(() => {

  const selectList5 = document.getElementById("selectList5");

  let customSelectedValuePart = document.getElementById("selectList5-custom-selected-value");

  assert_equals(selectList5.value, "one", "value should start with the text of the first option part");

  assert_equals(selectList5.selectedOption, document.getElementById("selectList5-option1"));

  assert_equals(customSelectedValuePart.innerText, "one", "Custom selected value part should be set to initial value of selectlist");

  selectList5.value = "two";

  assert_equals(customSelectedValuePart.innerText, "two", "Custom selected value part should be updated when value of selectlist changes");

  assert_equals(selectList5.selectedOption, document.getElementById("selectList5-option2"));

}, "Test that option parts in a slotted-in listbox are reflected in the value property");

test(() => {

  let selectList = document.createElement('selectlist');

  assert_equals(selectList.value, "");

  let option = document.createElement('option');

  option.innerText = "one";

  selectList.appendChild(option);

  assert_equals(selectList.value, "one");

  assert_equals(selectList.selectedOption, option);

  let newOption = document.createElement('option');

  newOption.innerText = 'two';

  selectList.appendChild(newOption);

  selectList.value = "two";

  assert_equals(selectList.value, "two");

  assert_equals(selectList.selectedOption, newOption);

  option.click();

  assert_equals(selectList.value, "one");

  assert_equals(selectList.selectedOption, option);

}, "Test that value and selectedOption are correctly updated");

test(() => {

  const selectList = document.getElementById("selectList6");

  let selectListOption1 = document.getElementById("selectList6-option1");

  assert_equals(selectList.value, "two");

  assert_equals(selectList.selectedOption, document.getElementById("selectList6-option2"));

  assert_false(selectListOption1.selected);

  selectListOption1.selected = true;

  assert_equals(selectList.value, "one");

  assert_equals(selectList.selectedOption, selectListOption1);

  let newOption = document.createElement("option");

  newOption.innerText = "four";

  newOption.selected = true;

  selectList.appendChild(newOption);

  assert_equals(selectList.value, "four");

  assert_equals(selectList.selectedOption, newOption);

  assert_false(selectListOption1.selected);

  selectList.value = "three";

  assert_equals(selectList.selectedOption, document.getElementById("selectList6-option3"));

  assert_false(newOption.selected);

}, "Test that HTMLOption.selected updates selectlist.value and selectlist.selectedOption");

test(() => {

  const selectList = document.getElementById("selectList7");

  let selectListOption1 = document.getElementById("selectList7-option1");

  assert_equals(selectList.value, "test");

  assert_equals(selectList.selectedOption, document.getElementById("selectList7-option2"));

  assert_false(selectListOption1.selected);

  selectListOption1.selected = true;

  assert_equals(selectList.value, "one");

  assert_equals(selectList.selectedOption, selectListOption1);

  selectListOption1.value = "new test";

  assert_equals(selectList.value, "new test");

  assert_equals(selectList.selectedOption, selectListOption1);

  selectListOption1.removeAttribute("value");

  assert_equals(selectList.value, "one");

  assert_equals(selectList.selectedOption, selectListOption1);

  selectListOption1.value = "";

  assert_equals(selectList.value, "");

  assert_equals(selectList.selectedOption, selectListOption1);

}, "Test that HTMLOption.value updates selectlist.value");

</script>