| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>dialog element: centered alignment</title> |
| <link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me"> |
| <link rel=help href="https://html.spec.whatwg.org/multipage/#centered-alignment"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="log"></div> |
| |
| <script> |
| "use strict"; |
| |
| // Be sure to sync with centering-iframe.html |
| const DIALOG_WIDTH = 20; |
| const DIALOG_HEIGHT = 10; |
| |
| testDialogCentering("horizontal-tb", "", "", "tall viewport", 40, 100, "top", 100 / 2 - DIALOG_HEIGHT / 2); |
| testDialogCentering("horizontal-tb", "", "", "wide viewport", 100, 40, "top", 40 / 2 - DIALOG_HEIGHT / 2); |
| testDialogCentering("horizontal-tb", "", "", "square viewport", 100, 100, "top", 100 / 2 - DIALOG_HEIGHT / 2); |
| testDialogCentering("horizontal-tb", "", "", "dialog and viewport match", DIALOG_WIDTH, DIALOG_HEIGHT, "top", 0); |
| testDialogCentering("horizontal-tb", "", "", "dialog bigger than viewport", 100, DIALOG_HEIGHT / 2, "top", 0); |
| |
| testDialogCentering("vertical-rl", "", "", "tall viewport", 40, 100, "left", 40 / 2 - DIALOG_WIDTH / 2); |
| testDialogCentering("vertical-lr", "", "", "tall viewport", 40, 100, "right", 40 / 2 - DIALOG_WIDTH / 2); |
| testDialogCentering("vertical-lr", "", "", "dialog bigger than viewport", DIALOG_WIDTH / 2, 100, "right", 0); |
| |
| testDialogCentering("vertical-rl", "", "horizontal-tb", "tall viewport", 40, 100, "left", 40 / 2 - DIALOG_WIDTH / 2); |
| testDialogCentering("vertical-lr", "", "horizontal-tb", "tall viewport", 40, 100, "right", 40 / 2 - DIALOG_WIDTH / 2); |
| testDialogCentering("vertical-lr", "", "horizontal-tb", "dialog bigger than viewport", DIALOG_WIDTH / 2, 100, "right", 0); |
| |
| testDialogCentering("horizontal-tb", "vertical-rl", "", "tall viewport", 40, 100, "right", 40 / 2 - DIALOG_WIDTH / 2); |
| testDialogCentering("vertical-rl", "horizontal-tb", "", "tall viewport", 40, 100, "top", 100 / 2 - DIALOG_HEIGHT / 2); |
| |
| testDialogCentering("horizontal-tb", "vertical-rl", "horizontal-tb", "tall viewport", 40, 100, "right", 40 / 2 - DIALOG_WIDTH / 2); |
| testDialogCentering("vertical-rl", "horizontal-tb", "vertical-rl", "tall viewport", 40, 100, "top", 100 / 2 - DIALOG_HEIGHT / 2); |
| |
| function testDialogCentering(writingMode, containerWritingMode, dialogWritingMode, label, iframeWidth, iframeHeight, property, numericValue) { |
| async_test(t => { |
| const iframe = document.createElement("iframe"); |
| iframe.src = `centering-iframe.sub.html?html-writing-mode=${writingMode}&container-writing-mode=${containerWritingMode}&dialog-writing-mode=${dialogWritingMode}`; |
| iframe.width = iframeWidth; |
| iframe.height = iframeHeight; |
| iframe.onload = t.step_func_done(() => { |
| const dialog = iframe.contentDocument.querySelector("dialog"); |
| assert_equals(iframe.contentWindow.getComputedStyle(dialog)[property], numericValue + "px"); |
| }); |
| document.body.appendChild(iframe); |
| }, writingMode + (containerWritingMode ? ` (container ${containerWritingMode})` : "") + |
| (dialogWritingMode ? ` (dialog ${dialogWritingMode})` : "") + `: ${label}`); |
| } |
| </script> |