request-error.any.js

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /fetch/api/request/request-error.any.html - WPT Dashboard Interop Dashboard
- /fetch/api/request/request-error.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /fetch/api/request/request-error.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /fetch/api/request/request-error.any.worker.html - WPT Dashboard Interop Dashboard

// META: global=window,worker

// META: title=Request error

// META: script=request-error.js

// badRequestArgTests is from response-error.js

for (const { args, testName } of badRequestArgTests) {

  test(() => {

    assert_throws_js(

      TypeError,

      () => new Request(...args),

      "Expect TypeError exception"

);

  }, testName);

test(function() {

  assert_throws_js(

      TypeError,

      () => Request("about:blank"),

      "Calling Request constructor without 'new' must throw"

);

});

test(function() {

  var initialHeaders = new Headers([["Content-Type", "potato"]]);

  var initialRequest = new Request("", {"headers" : initialHeaders});

  var request = new Request(initialRequest);

  assert_equals(request.headers.get("Content-Type"), "potato");

}, "Request should get its content-type from the init request");

test(function() {

  var initialHeaders = new Headers([["Content-Type", "potato"]]);

  var initialRequest = new Request("", {"headers" : initialHeaders});

  var headers = new Headers([]);

  var request = new Request(initialRequest, {"headers" : headers});

  assert_false(request.headers.has("Content-Type"));

}, "Request should not get its content-type from the init request if init headers are provided");

test(function() {

  var initialHeaders = new Headers([["Content-Type-Extra", "potato"]]);

  var initialRequest = new Request("", {"headers" : initialHeaders, "body" : "this is my plate", "method" : "POST"});

  var request = new Request(initialRequest);

  assert_equals(request.headers.get("Content-Type"), "text/plain;charset=UTF-8");

}, "Request should get its content-type from the body if none is provided");

test(function() {

  var initialHeaders = new Headers([["Content-Type", "potato"]]);

  var initialRequest = new Request("", {"headers" : initialHeaders, "body" : "this is my plate", "method" : "POST"});

  var request = new Request(initialRequest);

  assert_equals(request.headers.get("Content-Type"), "potato");

}, "Request should get its content-type from init headers if one is provided");

test(function() {

  var options = {"cache": "only-if-cached", "mode": "same-origin"};

  new Request("test", options);

}, "Request with cache mode: only-if-cached and fetch mode: same-origin");