diff options
Diffstat (limited to 'testing/web-platform/tests/fs/FileSystemFileHandle-sync-access-handle-back-forward-cache.https.tentative.window.js')
-rw-r--r-- | testing/web-platform/tests/fs/FileSystemFileHandle-sync-access-handle-back-forward-cache.https.tentative.window.js | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fs/FileSystemFileHandle-sync-access-handle-back-forward-cache.https.tentative.window.js b/testing/web-platform/tests/fs/FileSystemFileHandle-sync-access-handle-back-forward-cache.https.tentative.window.js new file mode 100644 index 0000000000..46a6c726ab --- /dev/null +++ b/testing/web-platform/tests/fs/FileSystemFileHandle-sync-access-handle-back-forward-cache.https.tentative.window.js @@ -0,0 +1,64 @@ +// META: script=/common/dispatcher/dispatcher.js +// META: script=/common/utils.js +// META: script=resources/test-helpers.js +// META: script=resources/messaging-helpers.js +// META: script=/html/browsers/browsing-the-web/back-forward-cache/resources/rc-helper.js +// META: script=/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js +// META: timeout=long + +'use strict'; + + +createBFCacheTest(async (t, testControls) => { + const {getRemoteFuncs, assertBFCacheEligibility} = testControls; + const [createAndReleaseSAH] = getRemoteFuncs('createAndReleaseSAH'); + + for (const mode of SAH_MODES) { + await createAndReleaseSAH(mode, 'hello.txt'); + await assertBFCacheEligibility(/*shouldRestoreFromBFCache=*/ true); + } +}, 'Creating an SAH should not make it ineligible for the BFCache.'); + +createBFCacheTest(async (t, testControls) => { + const origFile = 'hello.txt'; + const diffFile = 'world.txt'; + + const {getRemoteFuncs, forward, back} = testControls; + const [createSAH, releaseSAH, createAndReleaseSAH] = + getRemoteFuncs('createSAH', 'releaseSAH', 'createAndReleaseSAH'); + + async function testTakeLockOnForward( + mode, fileName, shouldRestoreFromBFCache) { + await forward(); + + assert_true(await createAndReleaseSAH(mode, fileName)); + + await back(shouldRestoreFromBFCache); + } + + for (const backMode of SAH_MODES) { + for (const forwMode of SAH_MODES) { + const contentiousLocks = sahModesAreContentious(backMode, forwMode); + + // Create a lock on the page that will be BFCached. + const lockId = await createSAH(backMode, origFile); + assert_true(lockId !== undefined); + + // Navigating to a new page and taking a lock on a different file should + // not evict the page from BFCache. + await testTakeLockOnForward( + forwMode, diffFile, /*shouldRestoreFromBFCache=*/ true); + + // Navigating to a new page and taking a lock on the same file should only + // evict if the locks are contentious. + await testTakeLockOnForward( + forwMode, origFile, /*shouldRestoreFromBFCache=*/ !contentiousLocks); + + // Release the lock when there isn't contention since it won't have been + // evicted. + if (!contentiousLocks) { + await releaseSAH(lockId); + } + } + } +}, `Creating a SAH on an active page evicts an inactive page on contention.`) |