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Test Info:
- Manifest: dom/base/test/browser.toml
const PI_URL = `data:text/xml,
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="data:text/xml,"?>
<root/>
`;
const HEADER_URL =
const XSLT_DISABLED_MESSAGE =
"It uses XSLT, which the browser does not support";
async function checkXSLTDisabledMessage(url, xsltEnabled) {
await SpecialPowers.pushPrefEnv({ set: [["dom.xslt.enabled", xsltEnabled]] });
await BrowserTestUtils.withNewTab(url, async function (browser) {
await SpecialPowers.spawn(
browser,
[XSLT_DISABLED_MESSAGE, !xsltEnabled],
(message, expected) => {
const docElement = content.document.documentElement;
const shadowRoot = docElement?.openOrClosedShadowRoot;
const shown = shadowRoot?.textContent.includes(message) ?? false;
is(
shown,
expected,
`The XSLT-disabled message should ${expected ? "" : "not "}be displayed`
);
}
);
});
}
add_task(async function xslt_disabled() {
await checkXSLTDisabledMessage(PI_URL, false);
});
add_task(async function xslt_enabled() {
await checkXSLTDisabledMessage(PI_URL, true);
});
add_task(async function xslt_disabled_header() {
await checkXSLTDisabledMessage(HEADER_URL, false);
});
add_task(async function xslt_enabled_header() {
await checkXSLTDisabledMessage(HEADER_URL, true);
});