testing/web-platform/tests/navigation-api/currententrychange-event/constructor.html

   1 <!doctype html>
   2 <script src="/resources/testharness.js"></script>
   3 <script src="/resources/testharnessreport.js"></script>
   4 <script>
   5 test(() => {
   6   assert_throws_js(TypeError, () => {
   7     new AppHistoryCurrentChangeEvent("currententrychange");
   8   });
   9 }, "can't bypass required members by omitting the dictionary entirely");
  10
  11 test(() => {
  12   assert_throws_js(TypeError, () => {
  13     new AppHistoryCurrentChangeEvent("currententrychange", {
  14       navigationType: "push"
  15     });
  16   });
  17 }, "from is required");
  18
  19 test(() => {
  20   const event = new AppHistoryCurrentChangeEvent("currententrychange", {
  21     navigationType: "replace",
  22     from: navigation.currentEntry
  23   });
  24   assert_equals(event.navigationType, "replace");
  25   assert_equals(event.from, navigation.currentEntry);
  26 }, "all properties are reflected back");
  27
  28 test(t => {
  29   const event = new AppHistoryCurrentChangeEvent("currententrychange", { from: navigation.currentEntry });
  30   assert_equals(event.navigationType, null);
  31 }, "defaults are as expected");
  32 </script>