mozilla-central/testing/web-platform/tests/editing/other/edit-in-textcontrol-immediately-after-hidden.tentative.html

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Test Info: Warnings

<!doctype html>
<meta charset=utf-8>
<meta name="variant" content="?editor=input&hide-target=editor">
<meta name="variant" content="?editor=textarea&hide-target=editor">
<meta name="variant" content="?editor=input&hide-target=parent">
<meta name="variant" content="?editor=textarea&hide-target=parent">
<title>Testing edit action in zombie editor</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<body>
<script>
"use strict";
const params = new URLSearchParams(location.search);
/**
* The expected results is based on Chrome 93.
* The behavior is reasonable because JS API which requires focus and user input
* does not work if it's hidden.
*/
function init() {
const div = document.createElement("div");
const editor = document.createElement(params.get("editor"));
const hideTarget = params.get("hide-target") == "editor" ? editor : div;
editor.value = "default value";
div.appendChild(editor);
document.body.appendChild(div);
return [ hideTarget, editor ];
}
function finalize(editor) {
editor.blur();
editor.parentNode.remove();
document.body.getBoundingClientRect();
}
promise_test(async () => {
await new Promise(resolve => addEventListener("load", resolve, {once: true}));
}, "Wait for load event");
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.select();
hideTarget.style.display = "none";
document.execCommand("insertText", false, "typed value");
assert_equals(editor.value, "default value", "The value shouldn't be modified by \"insertText\" command");
} finally {
finalize(editor);
}
}, `execCommand("insertText", false, "typed value") in <${params.get("editor")}>`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.select();
hideTarget.style.display = "none";
document.execCommand("delete");
assert_equals(editor.value, "default value", "The value shouldn't be modified by \"delete\" command");
} finally {
finalize(editor);
}
}, `execCommand("delete") in <${params.get("editor")}>`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.select();
const waitForKeyDown = new Promise(resolve => {
editor.addEventListener("keydown", () => {
hideTarget.style.display = "none";
resolve();
});
});
await new test_driver.Actions()
.keyDown("a").keyUp("a")
.send();
assert_equals(
editor.value,
"default value",
"The value shouldn't be modified by user input if \"keydown\" event listener destroyed the editor"
);
} finally {
finalize(editor);
}
}, `<${params.get("editor")}> is hidden by "keydown" event listener`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.select();
const waitForKeyDown = new Promise(resolve => {
editor.addEventListener("keypress", () => {
hideTarget.style.display = "none";
resolve();
});
});
await new test_driver.Actions()
.keyDown("a").keyUp("a")
.send();
assert_equals(
editor.value,
"default value",
"The value shouldn't be modified by user input if \"keypress\" event listener destroyed the editor"
);
} finally {
finalize(editor);
}
}, `<${params.get("editor")}> is hidden by "keypress" event listener`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.select();
const waitForKeyDown = new Promise(resolve => {
editor.addEventListener("beforeinput", () => {
hideTarget.style.display = "none";
resolve();
});
});
await new test_driver.Actions()
.keyDown("a").keyUp("a")
.send();
assert_equals(
editor.value,
"default value",
"The value shouldn't be modified by user input if \"beforeinput\" event listener destroyed the editor"
);
} finally {
finalize(editor);
}
}, `<${params.get("editor")}> is hidden by "beforeinput" event listener`);
</script>
</body>