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promise_test(() => fetch("resources/percent-encoding.json").then(res => res.json()).then(runTests), "Loading data…");
function runTests(testUnits) {
for (const testUnit of testUnits) {
// Ignore comments
if (typeof testUnit === "string") {
continue;
}
for (const encoding of Object.keys(testUnit.output)) {
async_test(t => {
const frame = document.body.appendChild(document.createElement("iframe"));
t.add_cleanup(() => frame.remove());
frame.onload = t.step_func_done(() => {
const output = frame.contentDocument.querySelector("a");
// Test that the fragment is always UTF-8 encoded
assert_equals(output.hash, `#${testUnit.output["utf-8"]}`, "fragment");
assert_equals(output.search, `?${testUnit.output[encoding]}`, "query");
});
frame.src = `resources/percent-encoding.py?encoding=${encoding}&value=${toBase64(testUnit.input)}`;
}, `Input ${testUnit.input} with encoding ${encoding}`);
}
}
}
// Use base64 to avoid relying on the URL parser to get UTF-8 percent-encoding correctly. This does
// not use btoa directly as that only works with code points in the range U+0000 to U+00FF,
// inclusive.
function toBase64(input) {
const bytes = new TextEncoder().encode(input);
const byteString = Array.from(bytes, byte => String.fromCharCode(byte)).join("");
const encoded = self.btoa(byteString);
return encoded;
}
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