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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* $Rev$ $Date$ */
+
+/**
+ * Test C++0x lambda expressions.
+ */
+
+#include <assert.h>
+#include "function.hpp"
+#include "sstream.hpp"
+#include "fstream.hpp"
+
+namespace tuscany {
+
+const lambda<const int(const int)> inc(const int i) {
+ return [=](const int x)->const int {
+ return x + i;
+ };
+}
+
+const int square(const int x) {
+ return x * x;
+}
+
+int mapLambda(const lambda<const int(const int)> f, int v) {
+ return f(v);
+}
+
+bool testLambda() {
+ const lambda<const int(const int)> sq = square;
+ assert(sq(2) == 4);
+ assert(mapLambda(square, 2) == 4);
+ assert(mapLambda(sq, 2) == 4);
+ assert(mapLambda([](const int x)->const int { return x * x; }, 2) == 4);
+
+ const lambda<int(int)> incf = inc(10);
+ assert(incf(1) == 11);
+ assert(mapLambda(incf, 1) == 11);
+ assert(mapLambda(inc(10), 1) == 11);
+
+ lambda<const int(const int)> l;
+ l = incf;
+ assert(l(1) == 11);
+ l = square;
+ assert(l(2) == 4);
+ return true;
+}
+
+}
+
+int main() {
+ tuscany::cout << "Testing..." << tuscany::endl;
+
+ tuscany::testLambda();
+
+ tuscany::cout << "OK" << tuscany::endl;
+
+ return 0;
+}