1 files changed, 614 insertions, 0 deletions
diff --git a/sca-cpp/branches/lightweight-sca/kernel/kernel-test.cpp b/sca-cpp/branches/lightweight-sca/kernel/kernel-test.cpp
new file mode 100644
index 0000000000..4d2ca2ba81
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+++ b/sca-cpp/branches/lightweight-sca/kernel/kernel-test.cpp
@@ -0,0 +1,614 @@
+/*
+ * 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 kernel functions.
+ */
+
+#include <assert.h>
+#include "string.hpp"
+#include "sstream.hpp"
+#include "function.hpp"
+#include "list.hpp"
+#include "tree.hpp"
+#include "value.hpp"
+#include "monad.hpp"
+#include "dynlib.hpp"
+#include "perf.hpp"
+
+namespace tuscany {
+
+struct inc {
+    int i;
+    inc(int i) :
+        i(i) {
+    }
+    const int operator()(const int x) const {
+        return x + i;
+    }
+};
+
+const int square(const int x) {
+    return x * x;
+}
+
+int mapLambda(lambda<int(const int)> f, int v) {
+    return f(v);
+}
+
+bool testLambda() {
+    const lambda<int(const int)> sq(square);
+    assert(sq(2) == 4);
+    assert(mapLambda(sq, 2) == 4);
+    assert(mapLambda(square, 2) == 4);
+
+    const lambda<int(const int)> incf(inc(10));
+    assert(incf(1) == 11);
+    assert(mapLambda(incf, 1) == 11);
+    assert(mapLambda(inc(10), 1) == 11);
+
+    lambda<int(const int)> l;
+    l = incf;
+    assert(l(1) == 11);
+    l = square;
+    assert(l(2) == 4);
+    return true;
+}
+
+bool testLambdaGC() {
+    resetLambdaCounters();
+    {
+        gc_scoped_pool gc;
+        testLambda();
+    }
+    assert(checkLambdaCounters());
+    return true;
+}
+
+int countElements = 0;
+
+struct Element {
+    int i;
+
+    Element() : i(0) {
+        countElements++;
+    }
+
+    Element(int i) : i(i) {
+        countElements++;
+    }
+
+    Element(const Element& o) : i(o.i) {
+        countElements++;
+    }
+
+    ~Element() {
+        countElements--;
+    }
+
+    const bool operator==(const Element& o) const {
+        return o.i == i;
+    }
+};
+ostream& operator<<(ostream& out, const Element& v) {
+    out << v.i ;
+    return out;
+}
+
+bool testCons() {
+    assert(car(cons(2, mklist(3))) == 2);
+    assert(car(cdr(cons(2, mklist(3)))) == 3);
+    assert(isNil(cdr(cdr(cons(2, mklist(3))))));
+
+    assert(cons(Element(1), mklist(Element(2))) == mklist(Element(1), Element(2)));
+    return true;
+}
+
+bool testListGC() {
+    resetLambdaCounters();
+    resetListCounters();
+    countElements = 0;
+    {
+        gc_scoped_pool gc;
+        testCons();
+    }
+    assert(checkLambdaCounters());
+    assert(checkListCounters());
+    assert(countElements == 0);
+    return true;
+}
+
+bool testOut() {
+    ostringstream os1;
+    os1 << list<int> ();
+    assert(str(os1) == "()");
+
+    ostringstream os2;
+    os2 << mklist(1, 2, 3);
+    assert(str(os2) == "(1 2 3)");
+    return true;
+}
+
+bool testEquals() {
+    assert(list<int>() == list<int>());
+    assert(mklist(1, 2) == mklist(1, 2));
+    assert(list<int>() != mklist(1, 2));
+    assert(mklist(1, 2, 3) == mklist(1, 2, 3));
+    assert(mklist(1, 2) != mklist(1, 2, 3));
+    return true;
+}
+
+bool testLength() {
+    assert(0 == length(list<int>()));
+    assert(1 == length(mklist(1)));
+    assert(2 == length(cons(1, mklist(2))));
+    return true;
+}
+
+bool testAppend() {
+    assert(car(append(mklist(1), mklist(2))) == 1);
+    assert(car(cdr(append(mklist(1), mklist(2)))) == 2);
+    assert(car(cdr(cdr(append(mklist(1), mklist(2, 3))))) == 3);
+    assert(isNil(cdr(cdr(cdr(append(mklist(1), mklist(2, 3)))))));
+
+    assert(list<int>() + 1 + 2 + 3 == mklist(1, 2, 3));
+    return true;
+}
+
+struct Complex {
+    int x;
+    int y;
+    Complex() {
+    }
+    Complex(int x, int y) :
+        x(x), y(y) {
+    }
+};
+ostream& operator<<(ostream& out, const Complex& v) {
+    out << "[" << v.x << ":" << v.y << "]";
+    return out;
+}
+
+bool testComplex() {
+    const list<Complex> p = mklist(Complex(1, 2), Complex(3, 4));
+    assert(car(p).x == 1);
+    assert(car(cdr(p)).x == 3);
+    assert(isNil(cdr(cdr(p))));
+    return true;
+}
+
+bool testMap() {
+    assert(isNil(map<int, int>(square, list<int>())));
+
+    const list<int> m = map<int, int>(square, mklist(2, 3));
+    assert(car(m) == 4);
+    assert(car(cdr(m)) == 9);
+
+    return true;
+}
+
+const int add(const int x, const int y) {
+    return x + y;
+}
+
+bool testReduce() {
+    const lambda<int(const int, const int)> r(add);
+    assert(reduce(r, 0, mklist(1, 2, 3)) == 6);
+    return true;
+}
+
+bool isPositive(const int x) {
+    if(x >= 0)
+        return true;
+    else
+        return false;
+}
+
+bool testFilter() {
+    assert(car(filter<int>(isPositive, mklist(1, -1, 2, -2))) == 1);
+    assert(cadr(filter<int>(isPositive, mklist(1, -1, 2, -2))) == 2);
+    return true;
+}
+
+bool testMember() {
+    assert(isNil(member(4, mklist(1, 2, 3))));
+    assert(car(member(1, mklist(1, 2, 3))) == 1);
+    assert(car(member(2, mklist(1, 2, 3))) == 2);
+    assert(car(member(3, mklist(1, 2, 3))) == 3);
+    return true;
+}
+
+bool testReverse() {
+    assert(isNil(reverse(list<int>())));
+    assert(car(reverse(mklist(1, 2, 3))) == 3);
+    assert(cadr(reverse(mklist(1, 2, 3))) == 2);
+    return true;
+}
+
+bool testListRef() {
+    assert(listRef(mklist(1), 0) == 1);
+    assert(listRef(mklist(1, 2, 3), 0) == 1);
+    assert(listRef(mklist(1, 2, 3), 1) == 2);
+    assert(listRef(mklist(1, 2, 3), 2) == 3);
+    return true;
+}
+
+bool testAssoc() {
+    const list<list<string> > l = mklist(mklist<string>("x", "X"), mklist<string>("a", "A"), mklist<string>("y", "Y"), mklist<string>("a", "AA"));
+    assert(assoc<string>("a", l) == mklist<string>("a", "A"));
+    assert(isNil(assoc<string>("z", l)));
+
+    const list<list<value> > u = mklist(mklist<value>("x", "X"), mklist<value>("a", "A"), mklist<value>("y", "Y"), mklist<value>("a", "AA"));
+    assert(assoc<value>("a", u) == mklist<value>("a", "A"));
+
+    const list<value> v = mklist<value>(mklist<value>("x", "X"), mklist<value>("a", "A"), mklist<value>("y", "Y"), mklist<value>("a", "AA"));
+    assert(assoc<value>("a", v) == mklist<value>("a", "A"));
+    return true;
+}
+
+bool testZip() {
+    const list<string> k = mklist<string>("x", "a", "y", "a");
+    const list<string> v = mklist<string>("X", "A", "Y", "AA");
+    const list<list<string> > z = mklist(k, v);
+    const list<list<string> > u = mklist(mklist<string>("x", "X"), mklist<string>("a", "A"), mklist<string>("y", "Y"), mklist<string>("a", "AA"));
+    assert(zip(k, v) == u);
+    assert(unzip(u) == z);
+    return true;
+}
+
+bool testTokenize() {
+    assert(tokenize("/", "") == list<string>());
+    assert(tokenize("/", "aaa") == mklist<string>("aaa"));
+    assert(tokenize("/", "aaa/bbb/ccc/ddd") == mklist<string>("aaa", "bbb", "ccc", "ddd"));
+    assert(tokenize("/", "/bbb/ccc/ddd") == mklist<string>("", "bbb", "ccc", "ddd"));
+    assert(tokenize("/", "/bbb/ccc/") == mklist<string>("", "bbb", "ccc"));
+    assert(tokenize("/", "/bbb//ccc/") == mklist<string>("", "bbb", "", "ccc"));
+    assert(tokenize("/", "abc/def/") == mklist<string>("abc", "def"));
+
+    assert(join("/", list<string>()) == "");
+    assert(join("/", mklist<string>("aaa")) == "aaa");
+    assert(join("/", mklist<string>("aaa", "bbb", "ccc", "ddd")) == "aaa/bbb/ccc/ddd");
+    assert(join("/", mklist<string>("", "bbb", "ccc", "ddd")) == "/bbb/ccc/ddd");
+    assert(join("/", mklist<string>("bbb", "ccc", "")) == "bbb/ccc/");
+    assert(join("/", mklist<string>("bbb", "", "ccc")) == "bbb//ccc");
+    return true;
+}
+
+double testSeqMap(double x) {
+    return x;
+}
+
+double testSeqReduce(unused double v, double accum) {
+    return accum + 1.0;
+}
+
+bool testSeq() {
+    resetLambdaCounters();
+    resetListCounters();
+
+    list<double> s = seq(0.0, 1000.0);
+    assert(1001 == length(s));
+
+    assert(1001 == length(map<double, double>(testSeqMap, s)));
+
+    assert(801 == length(member(200.0, s)));
+    assert(201 == length(member(200.0, reverse(s))));
+
+    assert(1001 == (reduce<double, double>(testSeqReduce, 0.0, s)));
+    return true;
+}
+
+value valueSquare(list<value> x) {
+    return (int)car(x) * (int)car(x);
+}
+
+bool testValue() {
+    assert(value(true) == value(true));
+    assert(value(1) == value(1));
+    assert(value("abcd") == value("abcd"));
+    lambda<value(const list<value>&)> vl(valueSquare);
+    assert(value(vl) == value(vl));
+    assert(value(mklist<value>(1, 2)) == value(mklist<value>(1, 2)));
+
+    const list<value> v = mklist<value>(mklist<value>("x", "X"), mklist<value>("a", "A"), mklist<value>("y", "Y"));
+    assert(cadr((list<list<value> >)value(v)) == mklist<value>("a", "A"));
+
+    const value pv(gc_ptr<value>(new (gc_new<value>()) value(1)));
+    assert(*(gc_ptr<value>)pv == value(1));
+
+    const list<value> lpv = mklist<value>(gc_ptr<value>(new (gc_new<value>()) value(1)), gc_ptr<value>(new (gc_new<value>()) value(2)));
+    assert(*(gc_ptr<value>)car(lpv) == value(1));
+    return true;
+}
+
+bool testValueGC() {
+    resetLambdaCounters();
+    resetListCounters();
+    resetValueCounters();
+    {
+        gc_scoped_pool gc;
+        testValue();
+    }
+    assert(checkValueCounters());
+    assert(checkLambdaCounters());
+    assert(checkListCounters());
+    return true;
+}
+
+bool testTree() {
+    const list<value> t = mktree<value>("a", list<value>(), list<value>());
+    const list<value> ct = constree<value>("d", constree<value>("f", constree<value>("c", constree<value>("e", constree<value>("b", t)))));
+    const list<value> mt = mktree(mklist<value>("d", "f", "c", "e", "b", "a"));
+    assert(mt == ct);
+    const list<value> l = flatten<value>(mt);
+    assert(length(l) == 6);
+    assert(car(l) == "a");
+    assert(car(reverse(l)) == "f");
+    const list<value> bt = mkbtree<value>(l);
+    assert(car(bt) == "c");
+    return true;
+}
+
+const list<value> lta(const string& x) {
+    return mklist<value>(c_str(x), c_str(x + x));
+}
+
+bool testTreeAssoc() {
+    const list<value> t = mktree<value>(lta("a"), list<value>(), list<value>());
+    const list<value> at = constree<value>(lta("d"), constree<value>(lta("f"), constree<value>(lta("c"), constree<value>(lta("e"), constree<value>(lta("b"), t)))));
+    const list<value> l = flatten<value>(at);
+    assert(length(l) == 6);
+    assert(car(l) == mklist<value>("a", "aa"));
+    assert(car(reverse(l)) == mklist<value>("f", "ff"));
+    const list<value> bt = mkbtree<value>(l);
+    assert(car(bt) == mklist<value>("c", "cc"));
+    assert(assoctree<value>("a", bt) == mklist<value>("a", "aa"));
+    assert(assoctree<value>("b", bt) == mklist<value>("b", "bb"));
+    assert(assoctree<value>("f", bt) == mklist<value>("f", "ff"));
+    assert(isNil(assoctree<value>("x", bt)));
+    return true;
+}
+
+double fib_aux(double n, double a, double b) {
+    if(n == 0.0)
+        return a;
+    return fib_aux(n - 1.0, b, a + b);
+}
+
+double fib(double n) {
+    return fib_aux(n, 0.0, 1.0);
+}
+
+struct fibMapPerf {
+    const bool operator()() const {
+        list<double> s = seq(0.0, 999.0);
+        list<double> r = map<double, double>(fib, s);
+        assert(1000 == length(r));
+        return true;
+    }
+};
+
+struct nestedFibMapPerf {
+    const lambda<double(const double)> fib;
+    nestedFibMapPerf(const lambda<double(const double)>& fib) : fib(fib) {
+    }
+    const bool operator()() const {
+        list<double> s = seq(0.0, 999.0);
+        list<double> r = map<double, double>(fib, s);
+        assert(1000 == length(r));
+        return true;
+    }
+};
+
+bool testCppPerf() {
+    {
+        const lambda<bool()> fml = fibMapPerf();
+        cout << "Fibonacci map test " << (time(fml, 1, 1) / 1000) << " ms" << endl;
+    }
+
+    {
+        struct nested {
+            static double fib(double n) {
+                struct nested {
+                    static double fib_aux(double n, double a, double b) {
+                        if(n == 0.0)
+                            return a;
+                        return fib_aux(n - 1.0, b, a + b);
+                    }
+                };
+                return nested::fib_aux(n, 0.0, 1.0);
+            }
+        };
+
+        const lambda<bool()> nfml = nestedFibMapPerf(lambda<double(const double)>(nested::fib));
+        cout << "Nested Fibonacci map test " << (time(nfml, 1, 1) / 1000) << " ms" << endl;
+    }
+    return true;
+}
+
+const id<int> idF(const int v) {
+    return v * 2;
+}
+
+const id<int> idG(const int v) {
+    return v * 3;
+}
+
+const id<int> idH(const int v) {
+    return idF(v) >> idG;
+}
+
+bool testIdMonad() {
+    const id<int> m(2);
+    assert(m >> idF == idF(2));
+    assert(m >> unit<int>() == m);
+    assert(m >> idF >> idG == m >> idH);
+    return true;
+}
+
+const maybe<int> maybeF(const int v) {
+    return v * 2;
+}
+
+const maybe<int> maybeG(const int v) {
+    return v * 3;
+}
+
+const maybe<int> maybeH(const int v) {
+    return maybeF(v) >> maybeG;
+}
+
+bool testMaybeMonad() {
+    const maybe<int> m(2);
+    assert(m >> maybeF == maybeF(2));
+    assert((m >> just<int>()) == m);
+    assert(m >> maybeF >> maybeG == m >> maybeH);
+
+    assert(maybe<int>() >> maybeF >> maybeG == maybe<int>());
+    return true;
+}
+
+const failable<int> failableF(const int v) {
+    return v * 2;
+}
+
+const failable<int> failableG(const int v) {
+    return v * 3;
+}
+
+const failable<int> failableH(const int v) {
+    return failableF(v) >> failableG;
+}
+
+bool testFailableMonad() {
+    const failable<int> m(2);
+    assert(m >> failableF == failableF(2));
+    assert((m >> success<int, string, int>()) == m);
+    assert(m >> failableF >> failableG == m >> failableH);
+
+    cout << "Failable monad test... " << endl;
+    const failable<int> ooops = mkfailure<int>("test", 500);
+    assert(reason(ooops) == "test");
+    assert(rcode(ooops) == 500);
+    assert(ooops >> failableF >> failableG == ooops);
+
+    const failable<value> vooops = mkfailure<value>(ooops);
+    assert(reason(vooops) == "test");
+    assert(rcode(vooops) == 500);
+
+    const value v = value(vooops);
+    assert(car<value>(v) == value());
+    assert(cadr<value>(v) == string("test"));
+    assert(caddr<value>(v) == value((double)500));
+    return true;
+}
+
+struct tickInc {
+    const double v;
+    tickInc(const double v) : v(v) {
+    }
+    const scp<int, double> operator()(int s) const {
+        return scp<int, double>(s + 1, v);
+    }
+};
+
+const state<int, double> tick(const double v) {
+    return transformer<int, double>(tickInc(v));
+}
+
+const state<int, double> stateF(const double v) {
+    return result<int, double>(v * 2.0) >> tick;
+}
+
+const state<int, double> stateG(const double v) {
+    return result<int, double>(v + 5);
+}
+
+const state<int, double> stateH(const double v) {
+    return stateF(v) >> stateG;
+}
+
+bool testStateMonad() {
+    const lambda<state<int, double>(const double)> r(result<int, double>);
+
+    state<int, double> m = result<int, double>(2.0);
+    assert((m >> stateF)(0) == stateF(2.0)(0));
+    assert(1 == (int)(m >> stateF)(0));
+    assert((m >> r)(0) == m(0));
+    assert((m >> stateF >> stateG)(0) == (m >> stateH)(0));
+
+    return true;
+}
+
+bool testDynLib() {
+    const lib dl(string("./libdynlib-test") + dynlibExt);
+    const failable<lambda<int(const int)> > sq(dynlambda<int(const int)>("csquare", dl));
+    assert(hasContent(sq));
+    lambda<int(const int)> l(content(sq));
+    assert(l(2) == 4);
+
+    const failable<lambda<lambda<int(const int)>()> > sql(dynlambda<lambda<int(const int)>()>("csquarel", dl));
+    assert(hasContent(sql));
+    lambda<lambda<int(const int)>()> ll(content(sql));
+    assert(ll()(3) == 9);
+    return true;
+}
+
+}
+
+int main() {
+    tuscany::gc_scoped_pool p;
+    tuscany::cout << "Testing..." << tuscany::endl;
+
+    tuscany::testLambda();
+    tuscany::testLambdaGC();
+    tuscany::testCons();
+    tuscany::testListGC();
+    tuscany::testOut();
+    tuscany::testEquals();
+    tuscany::testLength();
+    tuscany::testAppend();
+    tuscany::testComplex();
+    tuscany::testMap();
+    tuscany::testReduce();
+    tuscany::testFilter();
+    tuscany::testMember();
+    tuscany::testReverse();
+    tuscany::testListRef();
+    tuscany::testAssoc();
+    tuscany::testZip();
+    tuscany::testTokenize();
+    tuscany::testSeq();
+    tuscany::testValue();
+    tuscany::testValueGC();
+    tuscany::testTree();
+    tuscany::testTreeAssoc();
+    tuscany::testCppPerf();
+    tuscany::testIdMonad();
+    tuscany::testMaybeMonad();
+    tuscany::testFailableMonad();
+    tuscany::testStateMonad();
+    tuscany::testDynLib();
+
+    tuscany::cout << "OK" << tuscany::endl;
+
+    return 0;
+}