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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;
}
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