mozilla-central/testing/web-platform/tests/editing/other/setting-value-of-textcontrol-immediately-after-hidden.html

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Test Info:

<!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 does not require focus keeps
* working even 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 {
hideTarget.style.display = "none";
editor.value = "new value";
assert_equals(editor.value, "new value", "The value should be set properly");
} finally {
finalize(editor);
}
}, `<${params.get("editor")}>.value = "new value" (without focus)`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.focus();
hideTarget.style.display = "none";
editor.value = "new value";
assert_equals(editor.value, "new value", "The value should be set properly");
} finally {
finalize(editor);
}
}, `<${params.get("editor")}>.value = "new value" (with focus)`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.focus();
editor.blur();
hideTarget.style.display = "none";
editor.value = "new value";
assert_equals(editor.value, "new value", "The value should be set properly");
} finally {
finalize(editor);
}
}, `<${params.get("editor")}>.value = "new value" (after blur)`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
hideTarget.style.display = "none";
editor.setRangeText("new", 0, "default".length);
assert_equals(editor.value, "new value", "The value should be set properly by setRangeText");
} finally {
finalize(editor);
}
}, `<${params.get("editor")}>.setRangeText("new", 0, "default".length) (without focus)`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.focus();
hideTarget.style.display = "none";
editor.setRangeText("new", 0, "default".length);
assert_equals(editor.value, "new value", "The value should be set properly by setRangeText");
} finally {
finalize(editor);
}
}, `<${params.get("editor")}>.setRangeText("new", 0, "default".length) (with focus)`);
promise_test(async () => {
const [hideTarget, editor] = init();
try {
editor.focus();
editor.blur();
hideTarget.style.display = "none";
editor.setRangeText("new", 0, "default".length);
assert_equals(editor.value, "new value", "The value should be set properly by setRangeText");
} finally {
finalize(editor);
}
}, `<${params.get("editor")}>.setRangeText("new", 0, "default".length) (after blur)`);
</script>
</body>