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// META: title=Headers set-cookie special cases
// META: global=window,worker
const headerList = [
["set-cookie", "foo=bar"],
["Set-Cookie", "fizz=buzz; domain=example.com"],
];
const setCookie2HeaderList = [
["set-cookie2", "foo2=bar2"],
["Set-Cookie2", "fizz2=buzz2; domain=example2.com"],
];
function assert_nested_array_equals(actual, expected) {
assert_equals(actual.length, expected.length, "Array length is not equal");
for (let i = 0; i < expected.length; i++) {
assert_array_equals(actual[i], expected[i]);
}
}
test(function () {
const headers = new Headers(headerList);
assert_equals(
headers.get("set-cookie"),
"foo=bar, fizz=buzz; domain=example.com",
);
}, "Headers.prototype.get combines set-cookie headers in order");
test(function () {
const headers = new Headers(headerList);
const list = [...headers];
assert_nested_array_equals(list, [
["set-cookie", "foo=bar"],
["set-cookie", "fizz=buzz; domain=example.com"],
]);
}, "Headers iterator does not combine set-cookie headers");
test(function () {
const headers = new Headers(setCookie2HeaderList);
const list = [...headers];
assert_nested_array_equals(list, [
["set-cookie2", "foo2=bar2, fizz2=buzz2; domain=example2.com"],
]);
}, "Headers iterator does not special case set-cookie2 headers");
test(function () {
const headers = new Headers([...headerList, ...setCookie2HeaderList]);
const list = [...headers];
assert_nested_array_equals(list, [
["set-cookie", "foo=bar"],
["set-cookie", "fizz=buzz; domain=example.com"],
["set-cookie2", "foo2=bar2, fizz2=buzz2; domain=example2.com"],
]);
}, "Headers iterator does not combine set-cookie & set-cookie2 headers");
test(function () {
// Values are in non alphabetic order, and the iterator should yield in the
// headers in the exact order of the input.
const headers = new Headers([
["set-cookie", "z=z"],
["set-cookie", "a=a"],
["set-cookie", "n=n"],
]);
const list = [...headers];
assert_nested_array_equals(list, [
["set-cookie", "z=z"],
["set-cookie", "a=a"],
["set-cookie", "n=n"],
]);
}, "Headers iterator preserves set-cookie ordering");
test(
function () {
const headers = new Headers([
["xylophone-header", "1"],
["best-header", "2"],
["set-cookie", "3"],
["a-cool-header", "4"],
["set-cookie", "5"],
["a-cool-header", "6"],
["best-header", "7"],
]);
const list = [...headers];
assert_nested_array_equals(list, [
["a-cool-header", "4, 6"],
["best-header", "2, 7"],
["set-cookie", "3"],
["set-cookie", "5"],
["xylophone-header", "1"],
]);
},
"Headers iterator preserves per header ordering, but sorts keys alphabetically",
);
test(
function () {
const headers = new Headers([
["xylophone-header", "7"],
["best-header", "6"],
["set-cookie", "5"],
["a-cool-header", "4"],
["set-cookie", "3"],
["a-cool-header", "2"],
["best-header", "1"],
]);
const list = [...headers];
assert_nested_array_equals(list, [
["a-cool-header", "4, 2"],
["best-header", "6, 1"],
["set-cookie", "5"],
["set-cookie", "3"],
["xylophone-header", "7"],
]);
},
"Headers iterator preserves per header ordering, but sorts keys alphabetically (and ignores value ordering)",
);
test(function () {
const headers = new Headers([["fizz", "buzz"], ["X-Header", "test"]]);
const iterator = headers[Symbol.iterator]();
assert_array_equals(iterator.next().value, ["fizz", "buzz"]);
headers.append("Set-Cookie", "a=b");
assert_array_equals(iterator.next().value, ["set-cookie", "a=b"]);
headers.append("Accept", "text/html");
assert_array_equals(iterator.next().value, ["set-cookie", "a=b"]);
assert_array_equals(iterator.next().value, ["x-header", "test"]);
headers.append("set-cookie", "c=d");
assert_array_equals(iterator.next().value, ["x-header", "test"]);
assert_true(iterator.next().done);
}, "Headers iterator is correctly updated with set-cookie changes");
test(function () {
const headers = new Headers([
["set-cookie", "a"],
["set-cookie", "b"],
["set-cookie", "c"]
]);
const iterator = headers[Symbol.iterator]();
assert_array_equals(iterator.next().value, ["set-cookie", "a"]);
headers.delete("set-cookie");
headers.append("set-cookie", "d");
headers.append("set-cookie", "e");
headers.append("set-cookie", "f");
assert_array_equals(iterator.next().value, ["set-cookie", "e"]);
assert_array_equals(iterator.next().value, ["set-cookie", "f"]);
assert_true(iterator.next().done);
}, "Headers iterator is correctly updated with set-cookie changes #2");
test(function () {
const headers = new Headers(headerList);
assert_true(headers.has("sEt-cOoKiE"));
}, "Headers.prototype.has works for set-cookie");
test(function () {
const headers = new Headers(setCookie2HeaderList);
headers.append("set-Cookie", "foo=bar");
headers.append("sEt-cOoKiE", "fizz=buzz");
const list = [...headers];
assert_nested_array_equals(list, [
["set-cookie", "foo=bar"],
["set-cookie", "fizz=buzz"],
["set-cookie2", "foo2=bar2, fizz2=buzz2; domain=example2.com"],
]);
}, "Headers.prototype.append works for set-cookie");
test(function () {
const headers = new Headers(headerList);
headers.set("set-cookie", "foo2=bar2");
const list = [...headers];
assert_nested_array_equals(list, [
["set-cookie", "foo2=bar2"],
]);
}, "Headers.prototype.set works for set-cookie");
test(function () {
const headers = new Headers(headerList);
headers.delete("set-Cookie");
const list = [...headers];
assert_nested_array_equals(list, []);
}, "Headers.prototype.delete works for set-cookie");
test(function () {
const headers = new Headers();
assert_array_equals(headers.getSetCookie(), []);
}, "Headers.prototype.getSetCookie with no headers present");
test(function () {
const headers = new Headers([headerList[0]]);
assert_array_equals(headers.getSetCookie(), ["foo=bar"]);
}, "Headers.prototype.getSetCookie with one header");
test(function () {
const headers = new Headers({ "Set-Cookie": "foo=bar" });
assert_array_equals(headers.getSetCookie(), ["foo=bar"]);
}, "Headers.prototype.getSetCookie with one header created from an object");
test(function () {
const headers = new Headers(headerList);
assert_array_equals(headers.getSetCookie(), [
"foo=bar",
"fizz=buzz; domain=example.com",
]);
}, "Headers.prototype.getSetCookie with multiple headers");
test(function () {
const headers = new Headers([["set-cookie", ""]]);
assert_array_equals(headers.getSetCookie(), [""]);
}, "Headers.prototype.getSetCookie with an empty header");
test(function () {
const headers = new Headers([["set-cookie", "x"], ["set-cookie", "x"]]);
assert_array_equals(headers.getSetCookie(), ["x", "x"]);
}, "Headers.prototype.getSetCookie with two equal headers");
test(function () {
const headers = new Headers([
["set-cookie2", "x"],
["set-cookie", "y"],
["set-cookie2", "z"],
]);
assert_array_equals(headers.getSetCookie(), ["y"]);
}, "Headers.prototype.getSetCookie ignores set-cookie2 headers");
test(function () {
// Values are in non alphabetic order, and the iterator should yield in the
// headers in the exact order of the input.
const headers = new Headers([
["set-cookie", "z=z"],
["set-cookie", "a=a"],
["set-cookie", "n=n"],
]);
assert_array_equals(headers.getSetCookie(), ["z=z", "a=a", "n=n"]);
}, "Headers.prototype.getSetCookie preserves header ordering");
test(function () {
const headers = new Headers({"Set-Cookie": " a=b\n"});
headers.append("set-cookie", "\n\rc=d ");
assert_nested_array_equals([...headers], [
["set-cookie", "a=b"],
["set-cookie", "c=d"]
]);
headers.set("set-cookie", "\te=f ");
assert_nested_array_equals([...headers], [["set-cookie", "e=f"]]);
}, "Adding Set-Cookie headers normalizes their value");
test(function () {
assert_throws_js(TypeError, () => {
new Headers({"set-cookie": "\0"});
});
const headers = new Headers();
assert_throws_js(TypeError, () => {
headers.append("Set-Cookie", "a\nb");
});
assert_throws_js(TypeError, () => {
headers.set("Set-Cookie", "a\rb");
});
}, "Adding invalid Set-Cookie headers throws");
test(function () {
const response = new Response();
response.headers.append("Set-Cookie", "foo=bar");
assert_array_equals(response.headers.getSetCookie(), []);
response.headers.append("sEt-cOokIe", "bar=baz");
assert_array_equals(response.headers.getSetCookie(), []);
}, "Set-Cookie is a forbidden response header");
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