ctrump/parser/unit-test/TypeTest.cpp

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/*
 Copyright (c) 2009, National Institute of Advanced Industrial Science
 and Technology.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
 
   * Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
 
   * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.
 
   * Neither the name of Fixstars Corporation nor the names of its
     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*/

#include "TypeTest.hpp"

#include <iostream>
#include <string>
#include <sstream>
#include "../Type.hpp"
#include "../BasicType.hpp"
#include "../PointerType.hpp"
#include "TestUtil.hpp"


CPPUNIT_TEST_SUITE_REGISTRATION(TypeTest);

using namespace cfront;

void
TypeTest::testIsCompatibleType()
{
//     antlr::RefAST ast1 =
//         parseString("int a;", &cfront::CParser::declaration);
//     antlr::RefAST ast2 =
//         parseString("int a = 0;", &cfront::CParser::declaration);
//     CPPUNIT_ASSERT(cfront::isCompatibleType(ast1, ast2));


//     BasicType bs1(SINT);
//     BasicType bs2(SINT);
//     BasicType bu1(UINT);
//     CPPUNIT_ASSERT(bs1.isCompatibleType(bs2));
//     CPPUNIT_ASSERT(!bs1.isCompatibleType(bu1));

//     PointerType p1(&bs1);
//     PointerType p2(&bs2);
//     CPPUNIT_ASSERT(p1.isCompatibleType(p2));
}

void
TypeTest::testSizeofType()
{
    TargetInfo* targetInfo = makeDefaultTargetInfo();
    {
        // int f(char c);
        FunctionType ft1(new BasicType(BasicType::SINT));
        ft1.addParameterType(new BasicType(BasicType::CHAR));
        CPPUNIT_ASSERT(ft1.getSize(*targetInfo) ==
                       targetInfo->getSize(TargetInfo::POINTER));
    }
    {
        // unin u {
        //   double d;
        //   int i;
        //   char c;
        // };
        UnionDefinition ud1("");
        ud1.addField(new BasicType(BasicType::DOUBLE), 0, "d");
        ud1.addField(new BasicType(BasicType::SINT), 0, "i");
        ud1.addField(new BasicType(BasicType::CHAR), 0, "c");
        CPPUNIT_ASSERT(ud1.getSize(*targetInfo) ==
                       targetInfo->getSize(TargetInfo::DOUBLE));
    }
    {
//         struct {
//             char c1;
//             double d;
//             char c2;
//         };
        StructDefinition sd1("");
        sd1.addField(new BasicType(BasicType::CHAR), 0, "c1");
        sd1.addField(new BasicType(BasicType::DOUBLE), 0, "d");
        sd1.addField(new BasicType(BasicType::CHAR), 0, "c2");
        CPPUNIT_ASSERT(sd1.getSize(*targetInfo) ==
                       targetInfo->getSize(TargetInfo::DOUBLE) * 3);
    }
    {
//         struct {
//             int i;
//         };
        StructDefinition sd1("");
        sd1.addField(new BasicType(BasicType::SINT), 0, "i");
        CPPUNIT_ASSERT(sd1.getSize(*targetInfo) ==
                       targetInfo->getSize(TargetInfo::INT));
    }
    {
//         struct {
//             char c1;
//             char c2;
//         };
        StructDefinition sd1("");
        sd1.addField(new BasicType(BasicType::CHAR), 0, "c1");
        sd1.addField(new BasicType(BasicType::CHAR), 0, "c2");
        CPPUNIT_ASSERT(sd1.getSize(*targetInfo) ==
                       targetInfo->getSize(TargetInfo::CHAR) * 2);
    }
    {
//         struct {
//             double d;
//             int a[3];
//         };
        StructDefinition sd1("");
        sd1.addField(new BasicType(BasicType::DOUBLE), 0, "d");
        ConstantValue alen = 3;
        ArrayType at1(new BasicType(BasicType::SINT), alen, 0);
        sd1.addField(&at1, 0, "a");
        CPPUNIT_ASSERT(sd1.getSize(*targetInfo) ==
                       targetInfo->getSize(TargetInfo::DOUBLE) * 3);
    }
}

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