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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 script evaluator.
*/
#include <assert.h>
#include <iostream>
#include <string>
#include <sstream>
#include "driver.hpp"
namespace tuscany {
namespace eval {
bool testEnv() {
Env globalEnv = list<value>();
Env env = extendEnvironment(mklist<value>("a"), mklist<value>(1), globalEnv);
defineVariable("x", env, env);
//assert(lookupVariableValue(value("x"), env) == env);
assert(lookupVariableValue("a", env) == value(1));
return true;
}
bool testEnvGC() {
resetLambdaCounters();
resetListCounters();
resetValueCounters();
testEnv();
assert(countValues == 0);
assert(countLambdas == 0);
assert(countlists == 0);
//printLambdaCounters();
//printListCounters();
//printValueCounters();
return true;
}
bool testRead() {
std::istringstream is("abcd");
assert(read(is) == "abcd");
std::istringstream is2("123");
assert(read(is2) == value(123));
std::istringstream is3("(abcd)");
assert(read(is3) == mklist(value("abcd")));
std::istringstream is4("(abcd xyz)");
assert(read(is4) == mklist<value>("abcd", "xyz"));
std::istringstream is5("(abcd (xyz tuv))");
assert(read(is5) == mklist<value>("abcd", mklist<value>("xyz", "tuv")));
return true;
}
const std::string testSchemeNumber(
"(define (testNumber) (if (= 1 1) (display \"testNumber ok\") (error \"testNumber\"))) "
"(testNumber)");
const std::string testSchemeString(
"(define (testString) (if (= \"abc\" \"abc\") (display \"testString ok\") (error \"testString\"))) "
"(testString)");
const std::string testSchemeDefinition(
"(define a \"abc\") (define (testDefinition) (if (= a \"abc\") (display \"testDefinition ok\") (error \"testDefinition\"))) "
"(testDefinition)");
const std::string testSchemeIf(
"(define (testIf) (if (= \"abc\" \"abc\") (if (= \"xyz\" \"xyz\") (display \"testIf ok\") (error \"testNestedIf\")) (error \"testIf\"))) "
"(testIf)");
const std::string testSchemeCond(
"(define (testCond) (cond ((= \"abc\" \"abc\") (display \"testCond ok\")) (else (error \"testIf\"))))"
"(testCond)");
const std::string testSchemeBegin(
"(define (testBegin) "
"(begin "
"(define a \"abc\") "
"(if (= a \"abc\") (display \"testBegin1 ok\") (error \"testBegin\")) "
"(define x \"xyz\") "
"(if (= x \"xyz\") (display \"testBegin2 ok\") (error \"testBegin\")) "
") "
") "
"(testBegin)");
const std::string testSchemeLambda(
"(define sqrt (lambda (x) (* x x))) "
"(define (testLambda) (if (= 4 (sqrt 2)) (display \"testLambda ok\") (error \"testLambda\"))) "
"(testLambda)");
const std::string testSchemeForward(
"(define (testLambda) (if (= 4 (sqrt 2)) (display \"testForward ok\") (error \"testForward\"))) "
"(define sqrt (lambda (x) (* x x))) "
"(testLambda)");
bool contains(const std::string& str, const std::string& pattern) {
return str.find(pattern) != str.npos;
}
const std::string evalOutput(const std::string& scm) {
std::istringstream is(scm);
std::ostringstream os;
evalDriverRun(is, os);
return os.str();
}
bool testEval() {
assert(contains(evalOutput(testSchemeNumber), "testNumber ok"));
assert(contains(evalOutput(testSchemeString), "testString ok"));
assert(contains(evalOutput(testSchemeDefinition), "testDefinition ok"));
assert(contains(evalOutput(testSchemeIf), "testIf ok"));
assert(contains(evalOutput(testSchemeCond), "testCond ok"));
assert(contains(evalOutput(testSchemeBegin), "testBegin1 ok"));
assert(contains(evalOutput(testSchemeBegin), "testBegin2 ok"));
assert(contains(evalOutput(testSchemeLambda), "testLambda ok"));
//assert(contains(evalOutput(testSchemeForward), "testForward ok"));
return true;
}
bool testEvalExpr() {
const value exp = mklist<value>("+", 2, 3);
Env env = setupEnvironment();
const value r = evalApply(exp, env);
assert(r == value(5));
return true;
}
bool testEvalGC() {
resetLambdaCounters();
resetListCounters();
resetValueCounters();
testEval();
assert(countValues == 0);
assert(countLambdas == 0);
assert(countlists == 0);
//printLambdaCounters();
//printListCounters();
//printValueCounters();
return true;
}
bool testEvalRun() {
evalDriverRun(std::cin, std::cout);
return true;
}
}
}
int main() {
std::cout << "Testing..." << std::endl;
tuscany::eval::testEnv();
tuscany::eval::testEnvGC();
tuscany::eval::testRead();
tuscany::eval::testEval();
tuscany::eval::testEvalExpr();
tuscany::eval::testEvalGC();
std::cout << "OK" << std::endl;
return 0;
}
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