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<html>
<head>
<script>
var oldHistoryObject = null;
function test(event) {
if (!opener.scrollRestorationTest) {
opener.scrollRestorationTest = 0;
}
++opener.scrollRestorationTest;
switch (opener.scrollRestorationTest) {
case 1: {
opener.is(event.persisted, false, "Shouldn't have persisted session history entry.");
opener.ok(history.scrollRestoration, "History object has scrollRestoration property.");
opener.ok(history.scrollRestoration, "auto", "history.scrollRestoration's default value should be 'auto'.");
history.scrollRestoration = "foobar";
opener.ok(history.scrollRestoration, "auto", "Invalid enum value should not change the value of an attribute.");
history.scrollRestoration = "manual";
opener.ok(history.scrollRestoration, "manual", "Valid enum value should change the value of an attribute.");
history.scrollRestoration = "auto";
opener.ok(history.scrollRestoration, "auto", "Valid enum value should change the value of an attribute.");
document.getElementById("bottom").scrollIntoView();
window.location.reload(false);
break;
}
case 2: {
opener.is(event.persisted, false, "Shouldn't have persisted session history entry.");
opener.isnot(Math.round(window.scrollY), 0, "Should have restored scrolling.");
opener.is(history.scrollRestoration, "auto", "Should have the same scrollRestoration as before reload.");
history.scrollRestoration = "manual";
window.onunload = function() {} // Disable bfcache.
window.location.reload(false);
break;
}
case 3: {
opener.is(event.persisted, false, "Shouldn't have persisted session history entry.");
opener.is(window.scrollY, 0, "Should not have restored scrolling.");
opener.is(history.scrollRestoration, "manual", "Should have the same scrollRestoration as before reload.");
document.getElementById("bottom").scrollIntoView();
window.onunload = null; // Should get bfcache behavior.
opener.setTimeout("testWindow.history.back();", 250);
window.location.href = 'data:text/html,';
break;
}
case 4: {
opener.is(event.persisted, true, "Should have persisted session history entry.");
opener.isnot(Math.round(window.scrollY), 0, "Should have kept the old scroll position.");
opener.is(history.scrollRestoration, "manual", "Should have the same scrollRestoration as before reload.");
window.scrollTo(0, 0);
window.location.hash = "hash";
requestAnimationFrame(test);
break;
}
case 5: {
opener.isnot(Math.round(window.scrollY), 0, "Should have scrolled to #hash.");
opener.is(history.scrollRestoration, "manual", "Should have the same scrollRestoration mode as before fragment navigation.");
window.onunload = function() {} // Disable bfcache.
opener.setTimeout("is(testWindow.history.scrollRestoration, 'auto'); testWindow.history.back();", 250);
window.location.href = 'data:text/html,';
break;
}
case 6: {
opener.is(event.persisted, false, "Shouldn't have persisted session history entry.");
opener.is(window.scrollY, 0, "Shouldn't have kept the old scroll position.");
opener.is(history.scrollRestoration, "manual", "Should have the same scrollRestoration mode as before fragment navigation.");
history.scrollRestoration = "auto";
document.getElementById("bottom").scrollIntoView();
history.pushState({ state: "state1" }, "state1");
history.pushState({ state: "state2" }, "state2");
window.scrollTo(0, 0);
history.back();
opener.isnot(Math.round(window.scrollY), 0, "Should have scrolled back to the state1's position");
opener.is(history.state.state, "state1", "Unexpected state.");
history.scrollRestoration = "manual";
document.getElementById("bottom").scrollIntoView();
history.pushState({ state: "state3" }, "state3");
history.pushState({ state: "state4" }, "state4");
window.scrollTo(0, 0);
history.back();
opener.is(Math.round(window.scrollY), 0, "Shouldn't have scrolled back to the state3's position");
opener.is(history.state.state, "state3", "Unexpected state.");
history.pushState({ state: "state5" }, "state5");
history.scrollRestoration = "auto";
document.getElementById("bottom").scrollIntoView();
opener.isnot(Math.round(window.scrollY), 0, "Should have scrolled to 'bottom'.");
history.back();
window.scrollTo(0, 0);
history.forward();
opener.isnot(Math.round(window.scrollY), 0, "Should have scrolled back to the state5's position");
var ifr = document.createElement("iframe");
ifr.src = "data:text/html,";
document.body.appendChild(ifr);
ifr.onload = test;
break;
}
case 7: {
oldHistoryObject = event.target.contentWindow.history;
event.target.src = "about:blank";
break;
}
case 8: {
try {
var sr = oldHistoryObject.scrollRestoration;
opener.ok(false, "Should have thrown an exception.");
} catch(ex) {
opener.isnot(ex, null, "Did get an exception");
}
try {
oldHistoryObject.scrollRestoration = "auto";
opener.ok(false, "Should have thrown an exception.");
} catch(ex) {
opener.isnot(ex, null, "Did get an exception");
}
opener.nextTest();
window.close();
break;
}
}
}
window.addEventListener("pageshow",
function(e) {
setTimeout(test, 0, e);
});
</script>
</head>
<body>
<div style="border: 1px solid black; height: 5000px;">
</div>
<div id="bottom">Hello world</div>
<a href="#hash" name="hash">hash</a>
</body>
</html>
|
