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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/indexedDB/test/unit/test_blocked_order.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/indexedDB/test/unit/test_blocked_order.js')
-rw-r--r-- | dom/indexedDB/test/unit/test_blocked_order.js | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/dom/indexedDB/test/unit/test_blocked_order.js b/dom/indexedDB/test/unit/test_blocked_order.js new file mode 100644 index 000000000..1c70853f4 --- /dev/null +++ b/dom/indexedDB/test/unit/test_blocked_order.js @@ -0,0 +1,179 @@ +/** + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ + */ + +var testGenerator = testSteps(); + +function testSteps() +{ + const databaseName = + ("window" in this) ? window.location.pathname : "Test"; + const databaseCount = 10; + + // Test 1: Make sure basic versionchange events work and that they don't + // trigger blocked events. + info("Opening " + databaseCount + " databases with version 1"); + + let databases = []; + + for (let i = 0; i < databaseCount; i++) { + let thisIndex = i; + + info("Opening database " + thisIndex); + + let request = indexedDB.open(databaseName, 1); + request.onerror = errorHandler; + request.onblocked = errorHandler; + request.onsuccess = grabEventAndContinueHandler; + + let event = yield undefined; + + is(event.type, "success", "Got success event"); + + let db = request.result; + is(db.version, 1, "Got version 1"); + + db.onversionchange = function(event) { + info("Closing database " + thisIndex); + db.close(); + + databases.splice(databases.indexOf(db), 1); + }; + + databases.push(db); + } + + is(databases.length, databaseCount, "Created all databases with version 1"); + + info("Opening database with version 2"); + + let request = indexedDB.open(databaseName, 2); + request.onerror = errorHandler; + request.onsuccess = grabEventAndContinueHandler; + + request.onblocked = function(event) { + ok(false, "Should not receive a blocked event"); + }; + + let event = yield undefined; + + is(event.type, "success", "Got success event"); + is(databases.length, 0, "All databases with version 1 were closed"); + + let db = request.result; + is(db.version, 2, "Got version 2"); + + info("Deleting database with version 2"); + db.close(); + + request = indexedDB.deleteDatabase(databaseName); + request.onerror = errorHandler; + request.onsuccess = grabEventAndContinueHandler; + + event = yield undefined; + + is(event.type, "success", "Got success event"); + + // Test 2: Make sure blocked events aren't delivered until all versionchange + // events have been delivered. + info("Opening " + databaseCount + " databases with version 1"); + + for (let i = 0; i < databaseCount; i++) { + let thisIndex = i; + + info("Opening database " + thisIndex); + + let request = indexedDB.open(databaseName, 1); + request.onerror = errorHandler; + request.onblocked = errorHandler; + request.onsuccess = grabEventAndContinueHandler; + + let event = yield undefined; + + is(event.type, "success", "Got success event"); + + let db = request.result; + is(db.version, 1, "Got version 1"); + + db.onversionchange = function(event) { + if (thisIndex == (databaseCount - 1)) { + info("Closing all databases with version 1"); + + for (let j = 0; j < databases.length; j++) { + databases[j].close(); + } + + databases = []; + info("Done closing all databases with version 1"); + } else { + info("Not closing database " + thisIndex); + } + }; + + databases.push(db); + } + + is(databases.length, databaseCount, "Created all databases with version 1"); + + info("Opening database with version 2"); + + request = indexedDB.open(databaseName, 2); + request.onerror = errorHandler; + request.onsuccess = grabEventAndContinueHandler; + + request.onblocked = function(event) { + ok(false, "Should not receive a blocked event"); + }; + + event = yield undefined; + + is(event.type, "success", "Got success event"); + is(databases.length, 0, "All databases with version 1 were closed"); + + db = request.result; + is(db.version, 2, "Got version 2"); + + info("Deleting database with version 2"); + db.close(); + + request = indexedDB.deleteDatabase(databaseName); + request.onerror = errorHandler; + request.onsuccess = grabEventAndContinueHandler; + + event = yield undefined; + + is(event.type, "success", "Got success event"); + + // Test 3: A blocked database left in that state should not hang shutdown. + info("Opening 1 database with version 1"); + + request = indexedDB.open(databaseName, 1); + request.onerror = errorHandler; + request.onblocked = errorHandler; + request.onsuccess = grabEventAndContinueHandler; + + event = yield undefined; + + is(event.type, "success", "Got success event"); + + db = request.result; + is(db.version, 1, "Got version 1"); + + info("Opening database with version 2"); + + request = indexedDB.open(databaseName, 2); + request.onerror = function(e) { + e.preventDefault(); + }; + request.onsuccess = errorHandler; + + request.onblocked = grabEventAndContinueHandler; + + event = yield undefined; + ok(true, "Got blocked"); + // Just allow this to remain blocked ... + + finishTest(); + yield undefined; +} |