palemoon27/dom/tests/mochitest/fetch/test_headers_mainthread.js

// Main thread specific tests because they need SpecialPowers.  Expects
// test_headers_common.js to already be loaded.

function TestRequestHeaders() {
  is(typeof Headers, "function", "Headers global constructor exists.");
  var headers = new Headers();
  ok(headers, "Constructed empty Headers object");
  SpecialPowers.wrap(headers).guard = "request";
  TestCoreBehavior(headers, "foo");
  var forbidden = [
    "Accept-Charset",
    "Accept-Encoding",
    "Access-Control-Request-Headers",
    "Access-Control-Request-Method",
    "Connection",
    "Content-Length",
    "Cookie",
    "Cookie2",
    "Date",
    "DNT",
    "Expect",
    "Host",
    "Keep-Alive",
    "Origin",
    "Referer",
    "TE",
    "Trailer",
    "Transfer-Encoding",
    "Upgrade",
    "User-Agent",
    "Via",
    "Proxy-Authorization",
    "Proxy-blarg",
    "Proxy-",
    "Sec-foo",
    "Sec-"
  ];

  for (var i = 0, n = forbidden.length; i < n; ++i) {
    var name = forbidden[i];
    headers.append(name, "hmm");
    checkNotHas(headers, name, "Should not be able to append " + name + " to request headers");
    headers.set(name, "hmm");
    checkNotHas(headers, name, "Should not be able to set " + name + " on request headers");
  }
}

function TestRequestNoCorsHeaders() {
  is(typeof Headers, "function", "Headers global constructor exists.");
  var headers = new Headers();
  ok(headers, "Constructed empty Headers object");
  SpecialPowers.wrap(headers).guard = "request-no-cors";

  headers.append("foo", "bar");
  checkNotHas(headers, "foo", "Should not be able to append arbitrary headers to request-no-cors headers.");
  headers.set("foo", "bar");
  checkNotHas(headers, "foo", "Should not be able to set arbitrary headers on request-no-cors headers.");

  var simpleNames = [
    "Accept",
    "Accept-Language",
    "Content-Language"
  ];

  var simpleContentTypes = [
    "application/x-www-form-urlencoded",
    "multipart/form-data",
    "text/plain",
    "application/x-www-form-urlencoded; charset=utf-8",
    "multipart/form-data; charset=utf-8",
    "text/plain; charset=utf-8"
  ];

  for (var i = 0, n = simpleNames.length; i < n; ++i) {
    var name = simpleNames[i];
    headers.append(name, "hmm");
    checkHas(headers, name, "Should be able to append " + name + " to request-no-cors headers");
    headers.set(name, "hmm");
    checkHas(headers, name, "Should be able to set " + name + " on request-no-cors headers");
  }

  for (var i = 0, n = simpleContentTypes.length; i < n; ++i) {
    var value = simpleContentTypes[i];
    headers.append("Content-Type", value);
    checkHas(headers, "Content-Type", "Should be able to append " + value + " Content-Type to request-no-cors headers");
    headers.delete("Content-Type");
    headers.set("Content-Type", value);
    checkHas(headers, "Content-Type", "Should be able to set " + value + " Content-Type on request-no-cors headers");
  }
}

function TestResponseHeaders() {
  is(typeof Headers, "function", "Headers global constructor exists.");
  var headers = new Headers();
  ok(headers, "Constructed empty Headers object");
  SpecialPowers.wrap(headers).guard = "response";
  TestCoreBehavior(headers, "foo");
  var forbidden = [
    "Set-Cookie",
    "Set-Cookie2"
  ];

  for (var i = 0, n = forbidden.length; i < n; ++i) {
    var name = forbidden[i];
    headers.append(name, "hmm");
    checkNotHas(headers, name, "Should not be able to append " + name + " to response headers");
    headers.set(name, "hmm");
    checkNotHas(headers, name, "Should not be able to set " + name + " on response headers");
  }
}

function TestImmutableHeaders() {
  is(typeof Headers, "function", "Headers global constructor exists.");
  var headers = new Headers();
  ok(headers, "Constructed empty Headers object");
  TestCoreBehavior(headers, "foo");
  headers.append("foo", "atleastone");

  SpecialPowers.wrap(headers).guard = "immutable";

  shouldThrow(function() {
    headers.append("foo", "wat");
  }, TypeError, "Should not be able to append to immutable headers");

  shouldThrow(function() {
    headers.set("foo", "wat");
  }, TypeError, "Should not be able to set immutable headers");

  shouldThrow(function() {
    headers.delete("foo");
  }, TypeError, "Should not be able to delete immutable headers");

  checkHas(headers, "foo", "Should be able to check immutable headers");
  ok(headers.get("foo"), "Should be able to get immutable headers");
  ok(headers.getAll("foo").length, "Should be able to get all immutable headers");
}

TestRequestHeaders();
TestRequestNoCorsHeaders();
TestResponseHeaders();
TestImmutableHeaders();