Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /compression/zstd/compression-constructor.tentative.any.html - WPT Dashboard Interop Dashboard
// META: global=window
"use strict";
promise_test(async t => {
t.add_cleanup(async () => {
await SpecialPowers.popPrefEnv();
});
await SpecialPowers.pushPrefEnv({
set: [["dom.compression_streams.zstd.enabled", false]],
});
assert_throws_js(
TypeError,
() => new CompressionStream("zstd"),
'Constructor given "zstd" should throw'
);
}, '"zstd" should be an invalid CompressionStream format in an unprivileged context with the pref set to false');
promise_test(async t => {
t.add_cleanup(async () => {
await SpecialPowers.popPrefEnv();
});
await SpecialPowers.pushPrefEnv({
set: [["dom.compression_streams.zstd.enabled", true]],
});
assert_throws_js(
TypeError,
() => new CompressionStream("zstd"),
'Constructor given "zstd" should throw'
);
}, '"zstd" should be an invalid CompressionStream format in an unprivileged context with the pref set to true');
promise_test(async t => {
t.add_cleanup(async () => {
await SpecialPowers.popPrefEnv();
});
await SpecialPowers.pushPrefEnv({
set: [["dom.compression_streams.zstd.enabled", false]],
});
const constructorFailed = await SpecialPowers.spawnChrome([], () => {
let cs;
try {
cs = new this.browsingContext.topChromeWindow.CompressionStream("zstd");
} catch {
return true;
}
if (cs) {
throw new Error(
'Constructed a CompressionStream with "zstd" format, when that should be disallowed'
);
}
});
assert_true(
constructorFailed,
'Constructor given "zstd" should throw, even in a privileged context'
);
}, '"zstd" should be an invalid CompressionStream format in a privileged context with the pref set to false');
promise_test(async t => {
t.add_cleanup(async () => {
await SpecialPowers.popPrefEnv();
});
await SpecialPowers.pushPrefEnv({
set: [["dom.compression_streams.zstd.enabled", true]],
});
const constructorFailed = await SpecialPowers.spawnChrome([], () => {
let cs;
try {
cs = new this.browsingContext.topChromeWindow.CompressionStream("zstd");
} catch {
return true;
}
if (cs) {
throw new Error(
'Constructed a CompressionStream with "zstd" format, when that should be disallowed'
);
}
});
assert_true(
constructorFailed,
'Constructor given "zstd" should throw, even in a privileged context'
);
}, '"zstd" should be an invalid CompressionStream format in a privileged context with the pref set to true');