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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 memory allocation functions.
+ */
+
+#include <assert.h>
+#include "stream.hpp"
+#include "string.hpp"
+#include "gc.hpp"
+#include "function.hpp"
+#include "perf.hpp"
+
+namespace tuscany {
+
+int countElements = 0;
+int maxElements = 0;
+
+class Element {
+public:
+ Element() : i(0) {
+ countElements++;
+ if (countElements > maxElements)
+ maxElements = countElements;
+ }
+
+ Element(int i) : i(i) {
+ countElements++;
+ if (countElements > maxElements)
+ maxElements = countElements;
+ }
+
+ Element(const Element& o) : i(o.i) {
+ countElements++;
+ if (countElements > maxElements)
+ maxElements = countElements;
+ }
+
+ ~Element() {
+ countElements--;
+ }
+
+ const bool operator==(const Element& o) const {
+ return o.i == i;
+ }
+
+private:
+ friend ostream& operator<<(ostream& out, const Element& v);
+
+ int i;
+ char c[20];
+};
+
+ostream& operator<<(ostream& out, const Element& v) {
+ out << v.i ;
+ return out;
+}
+
+bool poolAlloc(Element** p, const int count) {
+ if (count == 0)
+ return true;
+ p[count - 1] = new (gc_new<Element>()) Element();
+ return poolAlloc(p, count - 1);
+};
+
+bool poolFree(Element** p, const int count) {
+ if (count == 0)
+ return true;
+ // Do nothing to free the element, but cycle through them just
+ // to get a fair comparison with the other memory alloc tests
+ return poolFree(p, count - 1);
+};
+
+struct poolAllocPerf {
+ const int n;
+ Element** p;
+ poolAllocPerf(const int n) : n(n), p(new Element*[n]) {
+ }
+ const bool operator()() const {
+ gc_scoped_pool gc;
+ poolAlloc(p, n);
+ return true;
+ }
+};
+
+bool testPoolAllocPerf() {
+ const int count = 100000;
+ const lambda<bool()> pl = poolAllocPerf(count);
+ maxElements = 0;
+ cout << "Memory pool alloc test " << (time(pl, 1, 1) / count) << " ms" << endl;
+ assert(countElements == 0);
+ assert(maxElements == count);
+ return true;
+}
+
+bool stdAlloc(Element** p, const int count) {
+ if (count == 0)
+ return true;
+ p[count - 1] = new Element();
+ return stdAlloc(p, count - 1);
+};
+
+bool stdFree(Element** p, const int count) {
+ if (count == 0)
+ return true;
+ delete p[count -1];
+ return stdFree(p, count - 1);
+};
+
+struct stdAllocPerf {
+ const int n;
+ Element** p;
+ stdAllocPerf(const int n) : n(n), p(new Element*[n]) {
+ }
+ const bool operator()() const {
+ stdAlloc(p, n);
+ stdFree(p, n);
+ return true;
+ }
+};
+
+bool testStdAllocPerf() {
+ const int count = 100000;
+ const lambda<bool()> sl = stdAllocPerf(count);
+ maxElements = 0;
+ cout << "Memory standard alloc test " << (time(sl, 1, 1) / count) << " ms" << endl;
+ assert(countElements == 0);
+ assert(maxElements == count);
+ return true;
+}
+
+}
+
+int main() {
+ tuscany::cout << "Testing..." << tuscany::endl;
+
+ tuscany::testPoolAllocPerf();
+ tuscany::testStdAllocPerf();
+
+ tuscany::cout << "OK" << tuscany::endl;
+
+ return 0;
+}