diff options
Diffstat (limited to 'testing/web-platform/mozilla/tests/focus/delegateFocus-is-focusable.html')
| -rw-r--r-- | testing/web-platform/mozilla/tests/focus/delegateFocus-is-focusable.html | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/mozilla/tests/focus/delegateFocus-is-focusable.html b/testing/web-platform/mozilla/tests/focus/delegateFocus-is-focusable.html new file mode 100644 index 0000000000..35fd30f1f6 --- /dev/null +++ b/testing/web-platform/mozilla/tests/focus/delegateFocus-is-focusable.html @@ -0,0 +1,19 @@ +<!doctype html> +<meta charset=utf-8> +<title>focus move tests caused by a call of Selection.addRange()</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id="host"></div> +<script> +let host = document.getElementById("host"); +let shadow = host.attachShadow({ mode: "open", delegatesFocus: true }); +shadow.innerHTML = `<button>Focusable</button>`; + +test(function() { + assert_true(SpecialPowers.Services.focus.elementIsFocusable(host, 0), "host is focusable"); + host.focus(); + assert_equals(document.activeElement, host, "Host is focused"); + assert_equals(shadow.activeElement, shadow.querySelector("button"), "Button is focused"); + assert_true(SpecialPowers.Services.focus.elementIsFocusable(host, 0), "host is still focusable"); +}, "isElementFocusable with delegateFocus"); +</script> |