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<?xml version="1.0"?>
<!-- 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
<window id="364461Test"
        width="600"
        height="600"
        onload="runTest();"
        title="364461 test">
  <script type="application/javascript" src="docshell_helpers.js" />
  <script type="application/javascript"><![CDATA[
    Services.prefs.setBoolPref("browser.navigation.requireUserInteraction", false);
    var gBrowser;
    async function runTest() {
      gBrowser = document.getElementById("content");
      // Tests 1 + 2:
      //  Back/forward between two simple documents. Bfcache will be used.
      var test1Doc = "data:text/html,<html><head><title>test1</title></head>" +
                     "<body>test1</body></html>";
      await promisePageNavigation({
        uri: test1Doc,
        eventsToListenFor: ["load", "pageshow"],
        expectedEvents: [{type: "load", title: "test1"},
                         {type: "pageshow", title: "test1", persisted: false}],
      });
      var test2Doc = "data:text/html,<html><head><title>test2</title></head>" +
                     "<body>test2</body></html>";
      await promisePageNavigation({
        uri: test2Doc,
        eventsToListenFor: ["load", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test1", persisted: true},
                         {type: "load", title: "test2"},
                         {type: "pageshow", title: "test2", persisted: false}],
      });
      await promisePageNavigation({
        back: true,
        eventsToListenFor: ["pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test2", persisted: true},
                         {type: "pageshow", title: "test1", persisted: true}],
      });
      await promisePageNavigation({
        forward: true,
        eventsToListenFor: ["pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test1", persisted: true},
                         {type: "pageshow", title: "test2", persisted: true}],
      });
      // Tests 3 + 4:
      //  Back/forward between a two-level deep iframed document and a simple
      //  document. Bfcache will be used and events should be dispatched to
      //  all frames.
      var test3Doc = "data:text/html,<html><head><title>test3</title>" +
                      "</head><body>" +
                      "<iframe src='data:text/html," +
                        "<html><head><title>test3-nested1</title></head>" +
                        "<body>test3-nested1" +
                          "<iframe src=\"data:text/html," +
                            "<html><head><title>test3-nested2</title></head>" +
                            "<body>test3-nested2</body></html>\">" +
                          "</iframe>" +
                        "</body></html>'>" +
                      "</iframe>" +
                    "</body></html>";
      await promisePageNavigation({
        uri: test3Doc,
        eventsToListenFor: ["load", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test2", persisted: true},
                         {type: "load", title: "test3-nested2"},
                         {type: "pageshow", title: "test3-nested2", persisted: false},
                         {type: "load", title: "test3-nested1"},
                         {type: "pageshow", title: "test3-nested1", persisted: false},
                         {type: "load", title: "test3"},
                         {type: "pageshow", title: "test3", persisted: false}],
      });
      var test4Doc = "data:text/html,<html><head><title>test4</title></head>" +
                     "<body>test4</body></html>";
      await promisePageNavigation({
        uri: test4Doc,
        eventsToListenFor: ["load", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test3", persisted: true},
                         {type: "pagehide", title: "test3-nested1", persisted: true},
                         {type: "pagehide", title: "test3-nested2", persisted: true},
                         {type: "load", title: "test4"},
                         {type: "pageshow", title: "test4", persisted: false}],
      });
      await promisePageNavigation({
        back: true,
        eventsToListenFor: ["pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test4", persisted: true},
                         {type: "pageshow", title: "test3-nested2", persisted: true},
                         {type: "pageshow", title: "test3-nested1", persisted: true},
                         {type: "pageshow", title: "test3", persisted: true}],
      });
      await promisePageNavigation({
        forward: true,
        eventsToListenFor: ["pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test3", persisted: true},
                         {type: "pagehide", title: "test3-nested1", persisted: true},
                         {type: "pagehide", title: "test3-nested2", persisted: true},
                         {type: "pageshow", title: "test4", persisted: true}],
      });
      // Tests 5 + 6:
      //  Back/forward between a document containing an unload handler and a
      //  a simple document. Bfcache won't be used for the first one (see
      
      var test5Doc = "data:text/html,<html><head><title>test5</title></head>" +
                     "<body onunload='while(false) { /* nop */ }'>" +
                     "test5</body></html>";
      await promisePageNavigation({
        uri: test5Doc,
        eventsToListenFor: ["load", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test4", persisted: true},
                         {type: "load", title: "test5"},
                         {type: "pageshow", title: "test5", persisted: false}],
      });
      var test6Doc = "data:text/html,<html><head><title>test6</title></head>" +
                     "<body>test6</body></html>";
      await promisePageNavigation({
        uri: test6Doc,
        eventsToListenFor: ["load", "unload", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test5", persisted: false},
                         {type: "unload", title: "test5"},
                         {type: "load", title: "test6"},
                         {type: "pageshow", title: "test6", persisted: false}],
      });
      await promisePageNavigation({
        back: true,
        eventsToListenFor: ["load", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test6", persisted: true},
                         {type: "load", title: "test5"},
                         {type: "pageshow", title: "test5", persisted: false}],
      });
      await promisePageNavigation({
        forward: true,
        eventsToListenFor: ["unload", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test5", persisted: false},
                         {type: "unload", title: "test5"},
                         {type: "pageshow", title: "test6", persisted: true}],
      });
      // Test 7:
      //  Check that navigation is not blocked after a document is restored
      //  from bfcache
      
      var test7Doc = "data:text/html,<html><head><title>test7</title>" +
                      "</head><body>" +
                      "<iframe src='data:text/html," +
                        "<html><head><title>test7-nested1</title></head>" +
                        "<body>test7-nested1<br/>" +
                        "<a href=\"data:text/plain,aaa\" target=\"_top\">" +
                          "Click me, hit back, click me again</a>" +
                        "</body></html>'>" +
                      "</iframe>" +
                    "</body></html>";
      
      await promisePageNavigation({
        uri: test7Doc,
        eventsToListenFor: ["load", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test6", persisted: true},
                         {type: "load", title: "test7-nested1"},
                         {type: "pageshow", title: "test7-nested1", persisted: false},
                         {type: "load", title: "test7"},
                         {type: "pageshow", title: "test7", persisted: false}],
      });
      // Simulates a click on the link inside the iframe
      function clickIframeLink() {
        SpecialPowers.spawn(TestWindow.getBrowser(), [], () => {
          var iframe = content.document.getElementsByTagName("iframe")[0];
          var w = iframe.contentWindow;
          var d = iframe.contentDocument;
        
          var evt = d.createEvent("MouseEvents");
          evt.initMouseEvent("click", true, true, w,
                             0, 0, 0, 0, 0, false, false, false, false, 0, null);
          d.getElementsByTagName("a")[0].dispatchEvent(evt);
        });
      }
      let clicked = promisePageNavigation({
        eventsToListenFor: ["load", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test7", persisted: true},
                         {type: "pagehide", title: "test7-nested1", persisted: true},
                         {type: "load"},
                         {type: "pageshow", persisted: false}],
                         waitForEventsOnly: true,
      });
      clickIframeLink();
      await clicked;
      is(gBrowser.currentURI.spec, "data:text/plain,aaa",
         "Navigation is blocked when clicking link");
      
      await promisePageNavigation({
        back: true,
        eventsToListenFor: ["pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", persisted: true},
                         {type: "pageshow", title: "test7-nested1", persisted: true},
                         {type: "pageshow", title: "test7", persisted: true}],
      });
      clicked = promisePageNavigation({
        eventsToListenFor: ["load", "pageshow", "pagehide"],
        expectedEvents: [{type: "pagehide", title: "test7", persisted: true},
                         {type: "pagehide", title: "test7-nested1", persisted: true},
                         {type: "load"},
                         {type: "pageshow", persisted: false}],
        waitForEventsOnly: true,
      });
      clickIframeLink();
      await clicked;
      is(gBrowser.currentURI.spec, "data:text/plain,aaa",
         "Navigation is blocked when clicking link");
      Services.prefs.clearUserPref("browser.navigation.requireUserInteraction");
      finish();
    }
  ]]></script>
  <browser type="content" primary="true" flex="1" id="content" remote="true" maychangeremoteness="true" />
</window>