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Commit 37288fed authored by simonjam@chromium.org's avatar simonjam@chromium.org
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Revalidate expired resources if they're requested after the initial document load 

https://bugs.webkit.org/show_bug.cgi?id=52153

Reviewed by Antti Koivisto.

Source/WebCore:

Test: http/tests/cache/subresource-multiple-instances.html

* loader/cache/CachedResourceLoader.cpp:
(WebCore::CachedResourceLoader::determineRevalidationPolicy):

LayoutTests:

* http/tests/cache/subresource-multiple-instances-expected.txt: Added.
* http/tests/cache/subresource-multiple-instances.html: Added.


git-svn-id: svn://svn.chromium.org/blink/trunk@93326 bbb929c8-8fbe-4397-9dbb-9b2b20218538
parent 6784f325
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third_party/WebKit/LayoutTests/ChangeLog
View file @ 37288fed
2011-08-18 James Simonsen <simonjam@chromium.org>
Revalidate expired resources if they're requested after the initial document load
https://bugs.webkit.org/show_bug.cgi?id=52153
Reviewed by Antti Koivisto.
* http/tests/cache/subresource-multiple-instances-expected.txt: Added.
* http/tests/cache/subresource-multiple-instances.html: Added.
2011-08-18 Tony Chang <tony@chromium.org>
[chromium] Marking tests needing win/linux baselines as such in
third_party/WebKit/LayoutTests/http/tests/cache/subresource-multiple-instances-expected.txt 0 → 100644
View file @ 37288fed
Verifies that resources are loaded only once during the initial document load, but are reloaded if they are requested again later and can not be cached.
PASS firstRandomNumber is non-zero.
PASS secondRandomNumber is non-zero.
PASS thirdRandomNumber is non-zero.
PASS firstRandomNumber == secondRandomNumber is true
PASS firstRandomNumber != thirdRandomNumber is true
PASS successfullyParsed is true
TEST COMPLETE
third_party/WebKit/LayoutTests/http/tests/cache/subresource-multiple-instances.html 0 → 100644
View file @ 37288fed
<!DOCTYPE html>
<html>
<head>
<title>Test Caching "no-store" For History Only</title>
<script src="../../js-test-resources/js-test-pre.js"></script>
</head>
<body>
<p>Verifies that resources are loaded only once during the initial document
load, but are reloaded if they are requested again later and can not be cached.
</p>
<pre id="console"></pre>
<script>
if (window.layoutTestController) {
layoutTestController.dumpAsText();
}
var randomNumber = 0;
var firstRandomNumber = 0;
var secondRandomNumber = 0;
var thirdRandomNumber = 0;
function firstLoaded() {
firstRandomNumber = randomNumber;
var newScript = document.createElement("script");
newScript.src = "resources/cache-simulator.cgi?uniqueId=1&Cache-control=max-age=0";
newScript.onload = secondLoaded;
document.getElementsByTagName("head")[0].appendChild(newScript);
}
function secondLoaded() {
secondRandomNumber = randomNumber;
}
function loadNextScript() {
var newScript = document.createElement("script");
newScript.src = "resources/cache-simulator.cgi?uniqueId=1&Cache-control=max-age=0";
newScript.onload = thirdLoaded;
document.getElementsByTagName("head")[0].appendChild(newScript);
}
function thirdLoaded() {
thirdRandomNumber = randomNumber;
shouldBeNonZero("firstRandomNumber");
shouldBeNonZero("secondRandomNumber");
shouldBeNonZero("thirdRandomNumber");
shouldBeTrue("firstRandomNumber == secondRandomNumber");
shouldBeTrue("firstRandomNumber != thirdRandomNumber");
finishJSTest();
}
window.addEventListener("load", function() { setTimeout(loadNextScript, 0); }, false);
var jsTestIsAsync = true;
var successfullyParsed = true;
</script>
<script src="resources/cache-simulator.cgi?uniqueId=1&Cache-control=max-age=0" onload="firstLoaded()" async></script>
<script src="../../js-test-resources/js-test-post.js"></script>
</body>
</html>
third_party/WebKit/Source/WebCore/ChangeLog
View file @ 37288fed
2011-08-18 James Simonsen <simonjam@chromium.org>
Revalidate expired resources if they're requested after the initial document load
https://bugs.webkit.org/show_bug.cgi?id=52153
Reviewed by Antti Koivisto.
Test: http/tests/cache/subresource-multiple-instances.html
* loader/cache/CachedResourceLoader.cpp:
(WebCore::CachedResourceLoader::determineRevalidationPolicy):
2011-08-18 Anders Carlsson <andersca@apple.com>
Fix clang libc++ C++0x build
third_party/WebKit/Source/WebCore/loader/cache/CachedResourceLoader.cpp
View file @ 37288fed
......@@ -474,10 +474,10 @@ CachedResourceLoader::RevalidationPolicy CachedResourceLoader::determineRevalida
return Reload;
}
// Avoid loading the same resource multiple times for a single document, even if the cache policies would tell us to.
if (m_validatedURLs.contains(existingResource->url()))
// During the initial load, avoid loading the same resource multiple times for a single document, even if the cache policies would tell us to.
if (!document()->loadEventFinished() && m_validatedURLs.contains(existingResource->url()))
return Use;
// CachePolicyReload always reloads
if (cachePolicy() == CachePolicyReload) {
LOG(ResourceLoading, "CachedResourceLoader::determineRevalidationPolicy reloading due to CachePolicyReload.");
......
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