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Diffstat (limited to 'docshell/test/chrome/bug321671_window.xhtml')
-rw-r--r-- | docshell/test/chrome/bug321671_window.xhtml | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/docshell/test/chrome/bug321671_window.xhtml b/docshell/test/chrome/bug321671_window.xhtml new file mode 100644 index 0000000000..4ebb268a02 --- /dev/null +++ b/docshell/test/chrome/bug321671_window.xhtml @@ -0,0 +1,133 @@ +<?xml version="1.0"?> +<?xml-stylesheet href="chrome://global/skin" type="text/css"?> + +<window id="321671Test" + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" + width="600" + height="600" + onload="setTimeout(nextTest, 0);" + title="bug 321671 test"> + + <script type="application/javascript" src= "chrome://mochikit/content/chrome-harness.js" /> + <script type="application/javascript" src="docshell_helpers.js" /> + <script type="application/javascript"><![CDATA[ + Services.prefs.setBoolPref("browser.navigation.requireUserInteraction", false); + + // Define the generator-iterator for the tests. + var tests = testIterator(); + + // Maximum number of entries in the bfcache for this session history. + // This number is hardcoded in docshell code. In the test, we'll + // navigate through enough pages so that we hit one that's been + // evicted from the bfcache because it's farther from the current + // page than this number. + const MAX_BFCACHE_PAGES = 3; + + //// + // Execute the next test in the generator function. + // + function nextTest() { + tests.next(); + } + + //// + // Generator function for test steps for bug 321671: Scroll position + // should be retained when moving backwards and forwards through pages + // when bfcache is enabled. + // + function* testIterator() + { + // Variable to hold the scroll positions of the test pages. + var scrollPositions = []; + + // Make sure bfcache is on. + enableBFCache(true); + + // Load enough test pages that so the first one is evicted from the + // bfcache, scroll down on each page, and save the + // current scroll position before continuing. Verify that each + // page we're navigating away from is initially put into the bfcache. + for (var i = 0; i <= MAX_BFCACHE_PAGES + 1; i++) { + doPageNavigation( { + uri: "data:text/html,<html><head><title>bug321671 page" + (i + 1) + + "</title></head>" + + "<body><table border='1' width='300' height='1000'>" + + "<tbody><tr><td>" + + " page " + (i + 1) + ": foobar foobar foobar foobar " + + "</td></tr></tbody></table> " + + "</body></html>", + eventsToListenFor: ["pageshow", "pagehide"], + expectedEvents: [ { type: "pagehide", + persisted: true, + title: i == 0 ? + undefined : "bug321671 page" + i }, + { type: "pageshow", + title: "bug321671 page" + (i + 1) } ], + onNavComplete: nextTest + } ); + yield undefined; + + is(TestWindow.getWindow().scrollY, 0, + "Page initially has non-zero scrollY position"); + TestWindow.getWindow().scrollByLines(10 + (2*i)); + ok(TestWindow.getWindow().scrollY > 0, + "Page has zero scrollY position after scrolling"); + scrollPositions[i] = TestWindow.getWindow().scrollY; + } + + // Go back to the first page, one page at a time. For each 'back' + // action, verify that its vertical scroll position is restored + // correctly. Verify that the last page in the sequence + // does not come from the bfcache. Again verify that all pages + // that we navigate away from are initially + // stored in the bfcache. + for (i = MAX_BFCACHE_PAGES + 1; i > 0; i--) { + doPageNavigation( { + back: true, + eventsToListenFor: ["pageshow", "pagehide"], + expectedEvents: [ { type: "pagehide", + title: "bug321671 page" + (i+1), + persisted: true }, + { type: "pageshow", + title: "bug321671 page" + i, + persisted: i > 1 } ], + onNavComplete: nextTest + } ); + yield undefined; + + is(TestWindow.getWindow().scrollY, scrollPositions[i-1], + "Scroll position not restored while going back!"); + } + + // Traverse history forward now, and verify scroll position is still + // restored. Similar to the backward traversal, verify that all + // but the last page in the sequence comes from the bfcache. Also + // verify that all of the pages get stored in the bfcache when we + // navigate away from them. + for (i = 1; i <= MAX_BFCACHE_PAGES + 1; i++) { + doPageNavigation( { + forward: true, + eventsToListenFor: ["pageshow", "pagehide"], + expectedEvents: [ { type: "pagehide", + persisted: true, + title: "bug321671 page" + i }, + { type: "pageshow", + persisted: i < MAX_BFCACHE_PAGES + 1, + title: "bug321671 page" + (i + 1) } ], + onNavComplete: nextTest + } ); + yield undefined; + + is(TestWindow.getWindow().scrollY, scrollPositions[i], + "Scroll position not restored while going forward!"); + } + + Services.prefs.clearUserPref("browser.navigation.requireUserInteraction"); + // Tell the framework the test is finished. + finish(); + } + + ]]></script> + + <browser type="content" primary="true" flex="1" id="content" src="about:blank"/> +</window> |