Changeset 56689 in webkit for trunk/JavaScriptCore/qt/tests

Timestamp:

Mar 28, 2010, 3:43:05 AM (15 years ago)

Author:

[email protected]

Message:

2010-03-28 Kent Hansen <​[email protected]>

Reviewed by Simon Hausmann.

[Qt] Add API for reporting additional memory cost of JavaScript objects
​https://bugs.webkit.org/show_bug.cgi?id=36650

• qt/api/qscriptengine.cpp: (QScriptEngine::reportAdditionalMemoryCost):
• qt/api/qscriptengine.h:
• qt/api/qscriptengine_p.h: (QScriptEnginePrivate::reportAdditionalMemoryCost):
• qt/tests/qscriptengine/tst_qscriptengine.cpp: (tst_QScriptEngine::reportAdditionalMemoryCost):

File:

• trunk/JavaScriptCore/qt/tests/qscriptengine/tst_qscriptengine.cpp (modified) (2 diffs)

trunk/JavaScriptCore/qt/tests/qscriptengine/tst_qscriptengine.cpp

@@ -39 +39 @@
     void evaluate();
     void collectGarbage();
+    void reportAdditionalMemoryCost();
     void nullValue();
     void undefinedValue();
@@ -73 +74 @@
     engine.collectGarbage();
     QCOMPARE(foo.call().toString(), QString::fromAscii("pong"));
+}
+
+void tst_QScriptEngine::reportAdditionalMemoryCost()
+{
+    // There isn't any easy way to test the responsiveness of the GC;
+    // just try to call the function a few times with various sizes.
+    QScriptEngine eng;
+    for (int i = 0; i < 100; ++i) {
+        eng.reportAdditionalMemoryCost(0);
+        eng.reportAdditionalMemoryCost(10);
+        eng.reportAdditionalMemoryCost(1000);
+        eng.reportAdditionalMemoryCost(10000);
+        eng.reportAdditionalMemoryCost(100000);
+        eng.reportAdditionalMemoryCost(1000000);
+        eng.reportAdditionalMemoryCost(10000000);
+        eng.reportAdditionalMemoryCost(-1);
+        eng.reportAdditionalMemoryCost(-1000);
+        QScriptValue obj = eng.evaluate("new Object");
+        eng.collectGarbage();
+    }
 }