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<!doctype html>
<title>XMLHttpRequest: overrideMimeType() and responseType = "blob"</title>
<meta name="timeout" content="long">
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
async_test(t => {
const client = new XMLHttpRequest();
client.onload = t.step_func_done(() => {
assert_equals(client.getResponseHeader("Content-Type"), "");
assert_equals(client.response.type, "text/xml");
});
client.open("GET", "resources/status.py");
client.responseType = "blob";
client.send();
}, "Use text/xml as fallback MIME type");
async_test(t => {
const client = new XMLHttpRequest();
client.onload = t.step_func_done(() => {
assert_equals(client.getResponseHeader("Content-Type"), "");
assert_equals(client.response.type, "text/xml");
})
client.open("GET", "resources/status.py?content=thisshouldnotmakeadifferencebutdoes");
client.responseType = "blob";
client.send();
}, "Use text/xml as fallback MIME type, 2");
promise_test(() => {
// Don't load generated-mime-types.json as sending them all over the network would be prohibitive
return fetch("../mimesniff/mime-types/resources/mime-types.json").then(res => res.json()).then(runTests);
}, "Loading data…");
function runTests(tests) {
let index = 0;
tests.forEach((val) => {
if(typeof val === "string") {
return;
}
index++;
async_test(t => {
const client = new XMLHttpRequest(),
expectedOutput = val.output !== null ? val.output : "application/octet-stream";
client.onload = t.step_func_done(() => {
assert_equals(client.getResponseHeader("Content-Type"), "");
assert_equals(client.response.type, expectedOutput);
});
client.open("GET", "resources/status.py");
client.responseType = "blob";
client.overrideMimeType(val.input);
client.send();
}, index + ") MIME types need to be parsed and serialized: " + val.input);
});
}
</script>
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