Attachment 361751 Details for Bug 194527 – Patch

[patch] Patch

bug-194527-20190211182236.patch (text/plain), 9.08 KB, created by Sihui Liu on 2019-02-11 18:22:37 PST

(hide)

Description:

Filename:

MIME Type:

Creator: Sihui Liu

Created: 2019-02-11 18:22:37 PST

Size: 9.08 KB

patch

obsolete

>Subversion Revision: 241287
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index 790c5526c86d1a25c675e97cd34d8a431fe7642e..12961ae2e342e0046cae41bbc92eadfcc18df5bc 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,20 @@
>+2019-02-11  Sihui Liu  <sihui_liu@apple.com>
>+
>+        Add two regression tests for reference cycle in IndexedDB
>+        https://bugs.webkit.org/show_bug.cgi?id=194527
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * storage/indexeddb/resources/result-request-cycle.js: Added.
>+        (prepareDatabase):
>+        * storage/indexeddb/resources/value-cursor-cycle.js: Added.
>+        (prepareDatabase):
>+        (onOpen.cursorRequest.onsuccess):
>+        * storage/indexeddb/result-request-cycle-expected.txt: Added.
>+        * storage/indexeddb/result-request-cycle.html: Added.
>+        * storage/indexeddb/value-cursor-cycle-expected.txt: Added.
>+        * storage/indexeddb/value-cursor-cycle.html: Added.
>+
> 2019-02-11  Shawn Roberts  <sroberts@apple.com>
> 
>         Updating for all of Mac WK2 for flaky test
>diff --git a/LayoutTests/storage/indexeddb/resources/result-request-cycle.js b/LayoutTests/storage/indexeddb/resources/result-request-cycle.js
>new file mode 100644
>index 0000000000000000000000000000000000000000..477548c8f9e671eb8ac238f8f70a58fa30e5e170
>--- /dev/null
>+++ b/LayoutTests/storage/indexeddb/resources/result-request-cycle.js
>@@ -0,0 +1,56 @@
>+if (this.importScripts) {
>+    importScripts('../../../resources/js-test.js');
>+    importScripts('shared.js');
>+}
>+
>+description("Verify that IDBRequest is not leaked when there is a reference cycle for result attribute");
>+
>+indexedDBTest(prepareDatabase, onOpen);
>+
>+function prepareDatabase(evt)
>+{
>+    preamble(evt);
>+    evalAndLog("db = event.target.result");
>+    evalAndLog("store = db.createObjectStore('store')");
>+    store.put({ value: 'value1' }, 'key1');
>+    store.put({ value: 'value2' }, 'key2');
>+}
>+
>+function onOpen(evt)
>+{
>+    preamble(evt);
>+    evalAndLog("db = event.target.result");
>+    evalAndLog("tx = db.transaction('store')");
>+    evalAndLog("store = tx.objectStore('store')");
>+
>+    evalAndLog("getRequest = store.get('key1')");
>+    getRequest.onsuccess = (evt) => {
>+        preamble(evt);
>+
>+        debug("Verify that the request's result can be accessed lazily:");
>+        evalAndLog("gc()");
>+
>+        evalAndLog("result = getRequest.result");
>+        shouldBeEqualToString("result.value", "value1");
>+        evalAndLog("result.source = getRequest");
>+    }
>+
>+    evalAndLog("getRequest2 = store.get('key2')");
>+    getRequest2.onsuccess = (evt) => {
>+        shouldBeEqualToString("getRequest2.result.value", "value2");
>+
>+        getRequestObervation = internals.observeGC(getRequest);
>+        resultObservation = internals.observeGC(result);
>+        evalAndLog("getRequest = null");
>+        evalAndLog("gc()");
>+        shouldBeFalse("getRequestObervation.wasCollected");
>+        shouldBeFalse("resultObservation.wasCollected");
>+
>+        evalAndLog("result = null");
>+        evalAndLog("gc()");
>+        shouldBeTrue("getRequestObervation.wasCollected");
>+        shouldBeTrue("resultObservation.wasCollected");
>+    }
>+
>+    tx.oncomplete = finishJSTest;
>+}
>\ No newline at end of file
>diff --git a/LayoutTests/storage/indexeddb/resources/value-cursor-cycle.js b/LayoutTests/storage/indexeddb/resources/value-cursor-cycle.js
>new file mode 100644
>index 0000000000000000000000000000000000000000..c33fc29163d185b526a752e0142c235907a0a06c
>--- /dev/null
>+++ b/LayoutTests/storage/indexeddb/resources/value-cursor-cycle.js
>@@ -0,0 +1,54 @@
>+if (this.importScripts) {
>+    importScripts('../../../resources/js-test.js');
>+    importScripts('shared.js');
>+}
>+
>+description("Verify that IDBCursor is not leaked when there is a reference cycle for value attribute");
>+
>+indexedDBTest(prepareDatabase, onOpen);
>+
>+function prepareDatabase(evt)
>+{
>+    preamble(evt);
>+    evalAndLog("db = event.target.result");
>+    evalAndLog("store = db.createObjectStore('store')");
>+    store.put({ name: 'value' }, 'key');
>+}
>+
>+function onOpen(evt)
>+{
>+    preamble(evt);
>+    evalAndLog("db = event.target.result");
>+    evalAndLog("tx = db.transaction('store')");
>+    evalAndLog("store = tx.objectStore('store')");
>+
>+    evalAndLog("cursorRequest = store.openCursor()");
>+    cursorRequest.onsuccess = function openCursorRequestSuccess(evt) {
>+        preamble(evt);
>+    };
>+
>+    evalAndLog("getRequest = store.get('key')");
>+    getRequest.onsuccess = () => {
>+        shouldBeEqualToString("getRequest.result.name", "value");
>+
>+        evalAndLog("cursor = cursorRequest.result");
>+        shouldBeNonNull("cursor");
>+        evalAndLog("value = cursor.value");
>+        shouldBeEqualToString("value.name", "value");
>+        evalAndLog("value.cycle = cursor");
>+
>+        cursorObservation = internals.observeGC(cursor);
>+        valueObservation = internals.observeGC(value);
>+        evalAndLog("cursor = null");
>+        evalAndLog("cursorRequest = null");
>+        evalAndLog("gc()");
>+        shouldBeFalse("cursorObservation.wasCollected");
>+
>+        evalAndLog("value = null");
>+        evalAndLog("gc()");
>+        shouldBeTrue("cursorObservation.wasCollected");
>+        shouldBeTrue("valueObservation.wasCollected");
>+    }
>+
>+    tx.oncomplete = finishJSTest;
>+}
>\ No newline at end of file
>diff --git a/LayoutTests/storage/indexeddb/result-request-cycle-expected.txt b/LayoutTests/storage/indexeddb/result-request-cycle-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..7c91fe2bd8d5cebf8569b7107284e5b9bab737bc
>--- /dev/null
>+++ b/LayoutTests/storage/indexeddb/result-request-cycle-expected.txt
>@@ -0,0 +1,40 @@
>+Verify that IDBRequest is not leaked when there is a reference cycle for result attribute
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
>+
>+indexedDB.deleteDatabase(dbname)
>+indexedDB.open(dbname)
>+
>+prepareDatabase():
>+db = event.target.result
>+store = db.createObjectStore('store')
>+
>+onOpen():
>+db = event.target.result
>+tx = db.transaction('store')
>+store = tx.objectStore('store')
>+getRequest = store.get('key1')
>+getRequest2 = store.get('key2')
>+
>+():
>+Verify that the request's result can be accessed lazily:
>+gc()
>+result = getRequest.result
>+PASS result.value is "value1"
>+result.source = getRequest
>+PASS getRequest2.result.value is "value2"
>+getRequest = null
>+gc()
>+PASS getRequestObervation.wasCollected is false
>+PASS resultObservation.wasCollected is false
>+result = null
>+gc()
>+PASS getRequestObervation.wasCollected is true
>+PASS resultObservation.wasCollected is true
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>diff --git a/LayoutTests/storage/indexeddb/result-request-cycle.html b/LayoutTests/storage/indexeddb/result-request-cycle.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..b2a5e264920e4a1e7523beaefb8f02a7e648cb9e
>--- /dev/null
>+++ b/LayoutTests/storage/indexeddb/result-request-cycle.html
>@@ -0,0 +1,9 @@
>+<html>
>+<head>
>+<script src="../../resources/js-test.js"></script>
>+<script src="resources/shared.js"></script>
>+</head>
>+<body>
>+<script src="resources/result-request-cycle.js"></script>
>+</body>
>+</html>
>diff --git a/LayoutTests/storage/indexeddb/value-cursor-cycle-expected.txt b/LayoutTests/storage/indexeddb/value-cursor-cycle-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..57145c29980567d2accf95babd4f6b32c54bc07c
>--- /dev/null
>+++ b/LayoutTests/storage/indexeddb/value-cursor-cycle-expected.txt
>@@ -0,0 +1,40 @@
>+Verify that IDBCursor is not leaked when there is a reference cycle for value attribute
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
>+
>+indexedDB.deleteDatabase(dbname)
>+indexedDB.open(dbname)
>+
>+prepareDatabase():
>+db = event.target.result
>+store = db.createObjectStore('store')
>+
>+onOpen():
>+db = event.target.result
>+tx = db.transaction('store')
>+store = tx.objectStore('store')
>+cursorRequest = store.openCursor()
>+getRequest = store.get('key')
>+
>+openCursorRequestSuccess():
>+PASS getRequest.result.name is "value"
>+cursor = cursorRequest.result
>+PASS cursor is non-null.
>+value = cursor.value
>+PASS value.name is "value"
>+value.cycle = cursor
>+cursor = null
>+cursorRequest = null
>+gc()
>+PASS cursorObservation.wasCollected is false
>+value = null
>+gc()
>+PASS cursorObservation.wasCollected is true
>+PASS valueObservation.wasCollected is true
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>diff --git a/LayoutTests/storage/indexeddb/value-cursor-cycle.html b/LayoutTests/storage/indexeddb/value-cursor-cycle.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..9c62007296b655d362aefb0ecfd9791226ffb35f
>--- /dev/null
>+++ b/LayoutTests/storage/indexeddb/value-cursor-cycle.html
>@@ -0,0 +1,9 @@
>+<html>
>+<head>
>+<script src="../../resources/js-test.js"></script>
>+<script src="resources/shared.js"></script>
>+</head>
>+<body>
>+<script src="resources/value-cursor-cycle.js"></script>
>+</body>
>+</html>

Actions: View | Formatted Diff | Diff

Attachments on bug 194527: 361751 | 361763 | 361809 | 361920