third_party/WebKit/LayoutTests/fast/events/backspace-navigates-back.html

   1 <!DOCTYPE html>
   2 <script>
   3 function expect(test, msg) {
   4     if (test)
   5         return true;
   6
   7     log.innerText = 'FAIL: expected ' + msg;
   8     testRunner.notifyDone();
   9     return false;
  10 }
  11
  12 function testBackspaceNavigatesBack() {
  13     eventSender.keyDown('\u0008');
  14
  15     // We expected to navigate; set a timeout that causes the test
  16     // to fail quickly if we didn't navigate.
  17     setTimeout(function() {
  18         expect(false, 'navigation back');
  19     }, 500);
  20 }
  21
  22 function doStep(step, location) {
  23     // This function is called on each page load.
  24     // 'step' increases with each page load, while 'location' is the query param for the page load.
  25     // Since we go back and forwards, we assert that 'location' is what we expect upon the entry to each step.
  26
  27     switch (step) {
  28     case 0:
  29         document.location = '?test-start';
  30         break;
  31     case 1:
  32         if (!expect(location == 'test-start', 'navigation to test-start'))
  33             return;
  34         document.location = '?test-mac';
  35         break;
  36     case 2:
  37         if (!expect(location == 'test-mac', 'navigation to test-mac'))
  38             return;
  39
  40         internals.settings.setEditingBehavior('mac');
  41         testBackspaceNavigatesBack();
  42
  43         break;
  44     case 3:
  45         if (!expect(location == 'test-start', 'navigation back to test-start'))
  46             return;
  47         document.location = '?test-win';
  48         break;
  49     case 4:
  50         if (!expect(location == 'test-win', 'navigation to test-win'))
  51             return;
  52
  53         internals.settings.setEditingBehavior('win');
  54         testBackspaceNavigatesBack();
  55
  56         break;
  57     case 5:
  58         if (!expect(location == 'test-start', 'navigation back to test-start'))
  59             return;
  60         document.location = '?test-unix';
  61         break;
  62     case 6:
  63         if (!expect(location == 'test-unix', 'navigation to test-unix'))
  64             return;
  65
  66         // Test unix behavior: that backspace does not go back.
  67         internals.settings.setEditingBehavior('unix');
  68
  69         // We expect backspace to *not* navigate.
  70         // Start a navigation to the success page; if backspace causes us to go back,
  71         // it will cancel that navigation and navigate us elsewhere, causing the test
  72         // to fail.
  73         document.location = '?test-complete';
  74         eventSender.keyDown('\u0008');
  75
  76         break;
  77     case 7:
  78         if (!expect(location == 'test-complete', 'navigation to test-complete'))
  79             return;
  80         log.innerText += 'PASS: test complete';
  81         sessionStorage.removeItem('step');
  82         testRunner.notifyDone();
  83     }
  84 }
  85
  86 window.onpageshow = function() {
  87     if (!window.testRunner || !window.eventSender || !window.internals) {
  88         log.innerText =
  89             'This test requires eventSender, testRunner and window.internals. ' +
  90             'It cannot be run manually.';
  91         return;
  92     }
  93     if (!location.search) {
  94         sessionStorage.step = 0;
  95         testRunner.dumpAsText();
  96         testRunner.clearBackForwardList();
  97         testRunner.waitUntilDone();
  98     }
  99
 100     setTimeout(function() {
 101         doStep(sessionStorage.step++, location.search.substring(1));
 102     }, 0)
 103 }
 104 </script>
 105 <body>This test passes if it says PASS below.
 106 <div id=log></div>
 107 </body>