InterfaceTyp.java

/*
 * Copyright 2004-2007 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */


/*
 * @test
 * @bug 4853450 5055963
 * @summary InterfaceType tests
 * @library ../../lib
 * @run main/othervm InterfaceTyp
 */


import java.util.*;
import com.sun.mirror.declaration.*;
import com.sun.mirror.type.*;
import com.sun.mirror.util.*;


public class InterfaceTyp<T1,T2> extends Tester {

    public static void main(String[] args) {
        (new InterfaceTyp()).run();
    }


    // Declarations used by tests

    interface I1<S> extends Set<String> {
        interface I2<R> {
        }
    }


    // Generate some interface types to test
    private I1<T1> f0;
    private I1<String> f1;
    private I1 f2;
    private I1.I2<String> f3;
    private I1.I2 f4;
    private I1<T1> f5;
    private I3<T1> f6;
    private static final int NUMTYPES = 7;

    // Type mirrors corresponding to the types of the above fields
    private InterfaceType[] t = new InterfaceType[NUMTYPES];

    protected void init() {
        for (int i = 0; i < t.length; i++) {
            t[i] = (InterfaceType) getField("f"+i).getType();
        }
    }


    // TypeMirror methods

    @Test(result="interface")
    Collection<String> accept() {
        final Collection<String> res = new ArrayList<String>();

        t[0].accept(new SimpleTypeVisitor() {
            public void visitReferenceType(ReferenceType t) {
                res.add("ref type");
            }
            public void visitClassType(ClassType t) {
                res.add("class");
            }
            public void visitInterfaceType(InterfaceType t) {
                res.add("interface");
            }
        });
        return res;
    }

    @Test(result="true")
    boolean equals1() {
        return t[0].equals(t[0]);
    }

    @Test(result="false")
    boolean equals2() {
        return t[0].equals(t[1]);
    }

    // Raw type is not same as type instantiated with unbounded type var.
    @Test(result="false")
    boolean equals3() {
        return t[0].equals(t[2]);
    }

    // I1<T1> is same type as I1<T1>
    @Test(result="true")
    boolean equals4() {
        return t[0].equals(t[5]);
    }

    @Test(result={
              "InterfaceTyp.I1<T1>",
              "InterfaceTyp.I1<java.lang.String>",
              "InterfaceTyp.I1",
              "InterfaceTyp.I1.I2<java.lang.String>",
              "InterfaceTyp.I1.I2",
              "InterfaceTyp.I1<T1>",
              "I3<T1>"
          },
          ordered=true)
    Collection<String> toStringTests() {
        Collection<String> res = new ArrayList<String>();
        for (InterfaceType i : t) {
            res.add(i.toString());
        }
        return res;
    }


    // DeclaredType methods

    @Test(result={"T1"})
    Collection<TypeMirror> getActualTypeArguments1() {
        return t[0].getActualTypeArguments();
    }

    @Test(result={})
    Collection<TypeMirror> getActualTypeArguments2() {
        return t[2].getActualTypeArguments();
    }

    @Test(result={"java.lang.String"})
    Collection<TypeMirror> getActualTypeArguments3() {
        return t[3].getActualTypeArguments();
    }

    @Test(result="InterfaceTyp")
    DeclaredType getContainingType1() {
        return t[0].getContainingType();
    }

    @Test(result="InterfaceTyp.I1")
    DeclaredType getContainingType2() {
        return t[3].getContainingType();
    }

    @Test(result="null")
    DeclaredType getContainingTypeTopLevel() {
        return t[6].getContainingType();
    }

    @Test(result={"java.util.Set<java.lang.String>"})
    Collection<InterfaceType> getSuperinterfaces() {
        return t[0].getSuperinterfaces();
    }



    // InterfaceType method

    @Test(result="InterfaceTyp.I1<S>")
    InterfaceDeclaration getDeclaration1() {
        return t[0].getDeclaration();
    }

    @Test(result="InterfaceTyp.I1.I2<R>")
    InterfaceDeclaration getDeclaration2a() {
        return t[3].getDeclaration();
    }

    @Test(result="InterfaceTyp.I1.I2<R>")
    InterfaceDeclaration getDeclaration2b() {
        return t[4].getDeclaration();
    }

    @Test(result="true")
    boolean getDeclarationCaching() {
        return t[0].getDeclaration() == t[5].getDeclaration();
    }
}


// A top-level interface used by tests.

interface I3<T> {
}