test_nsIMsgCompFields.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// Test that nsIMsgCompFields works properly

var nsMsgCompFields = Components.Constructor(

  "@mozilla.org/messengercompose/composefields;1",

  Ci.nsIMsgCompFields

);

function check_headers(enumerator, container) {

  const checkValues = new Set(container.map(header => header.toLowerCase()));

  for (let value of enumerator) {

    value = value.toLowerCase();

    Assert.ok(checkValues.has(value));

    checkValues.delete(value);

  Assert.equal(checkValues.size, 0);

function run_test() {

  const fields = new nsMsgCompFields();

  Assert.ok(fields instanceof Ci.nsIMsgCompFields);

  Assert.ok(fields instanceof Ci.msgIStructuredHeaders);

  Assert.ok(fields instanceof Ci.msgIWritableStructuredHeaders);

  check_headers(fields.headerNames, []);

  Assert.ok(!fields.hasRecipients);

  // Try some basic headers

  fields.setHeader("From", [{ name: "", email: "a@test.invalid" }]);

  const from = fields.getHeader("from");

  Assert.equal(from.length, 1);

  Assert.equal(from[0].email, "a@test.invalid");

  check_headers(fields.headerNames, ["From"]);

  Assert.ok(!fields.hasRecipients);

  // Add a To header

  fields.setHeader("To", [{ name: "", email: "b@test.invalid" }]);

  check_headers(fields.headerNames, ["From", "To"]);

  Assert.ok(fields.hasRecipients);

  // Delete a header...

  fields.deleteHeader("from");

  Assert.equal(fields.getHeader("From"), undefined);

  check_headers(fields.headerNames, ["To"]);

  // Subject should work and not convert to RFC 2047.

  fields.subject = "\u79c1\u306f\u4ef6\u540d\u5348\u524d";

  Assert.equal(fields.subject, "\u79c1\u306f\u4ef6\u540d\u5348\u524d");

  Assert.equal(

    fields.getHeader("Subject"),

    "\u79c1\u306f\u4ef6\u540d\u5348\u524d"

);

  // Check header synchronization.

  fields.from = "a@test.invalid";

  Assert.equal(fields.from, "a@test.invalid");

  Assert.equal(fields.getHeader("From")[0].email, "a@test.invalid");

  fields.from = null;

  Assert.equal(fields.getHeader("From"), undefined);