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authorKent Hansen <khansen@trolltech.com>2009-07-29 08:52:24 (GMT)
committerKent Hansen <khansen@trolltech.com>2009-07-29 08:53:23 (GMT)
commite5262a0c29c743f2afd4ba249e8adff984c1ca83 (patch)
tree1cfd16f32658ea45a586edf08efa01071ec2b587 /tests/auto/qscriptengine
parenta7cc30b30df53d6a70208c25f6c12a9f229b3ea6 (diff)
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add more extensive tests for scopechain functionality
Diffstat (limited to 'tests/auto/qscriptengine')
-rw-r--r--tests/auto/qscriptengine/tst_qscriptengine.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/tests/auto/qscriptengine/tst_qscriptengine.cpp b/tests/auto/qscriptengine/tst_qscriptengine.cpp
index 57c5167..ab398e9 100644
--- a/tests/auto/qscriptengine/tst_qscriptengine.cpp
+++ b/tests/auto/qscriptengine/tst_qscriptengine.cpp
@@ -122,6 +122,8 @@ private slots:
void reentrancy();
void incDecNonObjectProperty();
void installTranslatorFunctions();
+ void functionScopes();
+ void nativeFunctionScopes();
};
tst_QScriptEngine::tst_QScriptEngine()
@@ -3578,5 +3580,108 @@ void tst_QScriptEngine::installTranslatorFunctions()
}
}
+void tst_QScriptEngine::functionScopes()
+{
+ QScriptEngine eng;
+ {
+ // top-level functions have only the global object in their scope
+ QScriptValue fun = eng.evaluate("(function() {})");
+ QVERIFY(fun.isFunction());
+ QVERIFY(fun.scope().isObject());
+ QVERIFY(fun.scope().strictlyEquals(eng.globalObject()));
+ QVERIFY(!eng.globalObject().scope().isValid());
+ }
+ {
+ QScriptValue fun = eng.globalObject().property("Object");
+ QVERIFY(fun.isFunction());
+ // native built-in functions don't have scope
+ QVERIFY(!fun.scope().isValid());
+ }
+ {
+ // closure
+ QScriptValue fun = eng.evaluate("(function(arg) { var foo = arg; return function() { return foo; }; })(123)");
+ QVERIFY(fun.isFunction());
+ {
+ QScriptValue ret = fun.call();
+ QVERIFY(ret.isNumber());
+ QCOMPARE(ret.toInt32(), 123);
+ }
+ QScriptValue scope = fun.scope();
+ QVERIFY(scope.isObject());
+ {
+ QScriptValue ret = scope.property("foo");
+ QVERIFY(ret.isNumber());
+ QCOMPARE(ret.toInt32(), 123);
+ QCOMPARE(scope.propertyFlags("foo"), QScriptValue::Undeletable);
+ }
+ {
+ QScriptValue ret = scope.property("arg");
+ QVERIFY(ret.isNumber());
+ QCOMPARE(ret.toInt32(), 123);
+ QCOMPARE(scope.propertyFlags("arg"), QScriptValue::Undeletable | QScriptValue::SkipInEnumeration);
+ }
+
+ scope.setProperty("foo", 456);
+ {
+ QScriptValue ret = fun.call();
+ QVERIFY(ret.isNumber());
+ QCOMPARE(ret.toInt32(), 456);
+ }
+
+ scope = scope.scope();
+ QVERIFY(scope.isObject());
+ QVERIFY(scope.strictlyEquals(eng.globalObject()));
+ }
+}
+
+static QScriptValue counter_inner(QScriptContext *ctx, QScriptEngine *)
+{
+ QScriptValue outerAct = ctx->callee().scope();
+ double count = outerAct.property("count").toNumber();
+ outerAct.setProperty("count", count+1);
+ return count;
+}
+
+static QScriptValue counter(QScriptContext *ctx, QScriptEngine *eng)
+{
+ QScriptValue act = ctx->activationObject();
+ act.setProperty("count", ctx->argument(0).toInt32());
+ QScriptValue result = eng->newFunction(counter_inner);
+ result.setScope(act);
+ return result;
+}
+
+static QScriptValue counter_hybrid(QScriptContext *ctx, QScriptEngine *eng)
+{
+ QScriptValue act = ctx->activationObject();
+ act.setProperty("count", ctx->argument(0).toInt32());
+ return eng->evaluate("function() { return count++; }");
+}
+
+void tst_QScriptEngine::nativeFunctionScopes()
+{
+ QScriptEngine eng;
+ {
+ QScriptValue fun = eng.newFunction(counter);
+ QScriptValue cnt = fun.call(QScriptValue(), QScriptValueList() << 123);
+ QVERIFY(cnt.isFunction());
+ {
+ QScriptValue ret = cnt.call();
+ QVERIFY(ret.isNumber());
+ QCOMPARE(ret.toInt32(), 123);
+ }
+ }
+ {
+ QScriptValue fun = eng.newFunction(counter_hybrid);
+ QScriptValue cnt = fun.call(QScriptValue(), QScriptValueList() << 123);
+ QVERIFY(cnt.isFunction());
+ {
+ QScriptValue ret = cnt.call();
+ QVERIFY(ret.isNumber());
+ QCOMPARE(ret.toInt32(), 123);
+ }
+ }
+}
+
QTEST_MAIN(tst_QScriptEngine)
#include "tst_qscriptengine.moc"