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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /encoding/json-document-utf8.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="windows-1251">
<title>JSON documents are decoded as UTF-8 by default</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
const utf8 = '{"text":"\u2603\u00e9"}';
function loadJSON(query) {
return new Promise((resolve, reject) => {
const frame = document.createElement("iframe");
frame.onload = () => {
const text = frame.contentDocument.body.textContent;
frame.remove();
resolve(text);
};
frame.onerror = () => { frame.remove(); reject(new Error("load failed")); };
frame.src = "resources/json-charset.py" + query;
document.body.appendChild(frame);
});
}
promise_test(async () => {
assert_equals(await loadJSON(""), utf8);
}, "application/json with no charset is decoded as UTF-8 under a windows-1251 parent frame");
promise_test(async () => {
assert_equals(await loadJSON("?charset=utf-8"), utf8);
}, "application/json;charset=utf-8 is decoded as UTF-8");
promise_test(async () => {
assert_equals(await loadJSON("?type=text/json"), utf8);
}, "text/json with no charset is decoded as UTF-8");
promise_test(async () => {
assert_not_equals(await loadJSON("?charset=windows-1251"), utf8);
}, "application/json;charset=windows-1251 honors the explicit charset");
</script>
</body>