87 lines
3.5 KiB
HTML
87 lines
3.5 KiB
HTML
<!DOCTYPE html>
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<link rel="help" href="https://drafts.csswg.org/css-ui-4/#field-sizing">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<style>
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.disable-default {
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field-sizing: content;
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}
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</style>
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<div id="container"></div>
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<script>
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const container = document.querySelector('#container');
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const DISABLE = 'class="disable-default"';
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// Tests for drop-down box ====================================================
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test(() => {
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const s = '<select>><option>1<option>quick brown<option>fox</select>';
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container.innerHTML = s + s;
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container.lastElementChild.style.fieldSizing = 'content';
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const widthForContent1 = container.lastElementChild.offsetWidth;
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assert_greater_than(container.firstElementChild.offsetWidth,
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widthForContent1);
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container.lastElementChild.selectedIndex = 1;
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const widthForContentQuickBrown = container.lastElementChild.offsetWidth;
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assert_greater_than(widthForContentQuickBrown, widthForContent1);
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}, 'dropdown: The width should depend on the selected OPTION');
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test(() => {
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container.innerHTML = '<select><option>foo<option>quick brown fox</select>';
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const select = container.firstElementChild;
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const initialWidth = select.offsetWidth;
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select.style.fieldSizing = 'content';
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assert_less_than(select.offsetWidth, initialWidth);
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select.style.fieldSizing = 'fixed';
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assert_equals(select.offsetWidth, initialWidth);
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}, 'dropdown: Change the field-sizing value dynamically');
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// Tests for list box =========================================================
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// Some paltforms don't support list box rendering.
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container.innerHTML = '<select></select><select multiple></select>';
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if (container.firstElementChild.offsetHeight != container.lastElementChild.offsetHeight) {
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test(() => {
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container.innerHTML = `<select multiple><option>fox</select>` +
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`<select multiple ${DISABLE}><option>fox</select>`;
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const former = container.firstElementChild;
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const latter = container.lastElementChild;
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const widthForOneItem = latter.offsetWidth;
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const heightForOneItem = latter.offsetHeight;
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assert_equals(former.offsetWidth, widthForOneItem);
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assert_greater_than(former.offsetHeight, heightForOneItem);
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latter.add(new Option('quick brown'));
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assert_greater_than(latter.offsetWidth, widthForOneItem);
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assert_greater_than(latter.offsetHeight, heightForOneItem);
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}, 'listbox: The size depend on the content');
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test(() => {
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container.innerHTML = `<select size="4"></select><select size="4" ${DISABLE}></select>`;
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const former = container.firstElementChild;
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const latter = container.lastElementChild;
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const widthForZeroItem = latter.offsetWidth;
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const heightForZeroItem = latter.offsetHeight;
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assert_equals(former.offsetWidth, widthForZeroItem);
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assert_greater_than(former.offsetHeight, heightForZeroItem);
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latter.add(new Option('quick brown'));
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assert_greater_than(latter.offsetWidth, widthForZeroItem);
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assert_greater_than(latter.offsetHeight, heightForZeroItem);
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}, 'listbox: The size attribute value is ignored');
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test(() => {
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container.innerHTML = '<select multiple><option>foo<option>quick brown fox</select>';
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const select = container.firstElementChild;
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const initialHeight = select.offsetHeight;
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select.style.fieldSizing = 'content';
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assert_less_than(select.offsetHeight, initialHeight);
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select.style.fieldSizing = 'fixed';
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assert_equals(select.offsetHeight, initialHeight);
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}, 'listbox: Change the field-sizing value dynamically');
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}
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</script>
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</body>
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