protectedmemberaccess3.java

来自「是一款用JAVA 编写的编译器 具有很强的编译功能」· Java 代码 · 共 116 行

/*
 * @test  /nodynamiccopyright/
 * @bug 4319507 4785453
 * @summary Verify correct implementation of JLS2e 6.6.2.1
 * @author maddox
 *
 * @compile/fail/ref=ProtectedMemberAccess3.out -XDstdout -XDdiags=%b:%l:%_%m ProtectedMemberAccess3.java
 */

// 46 errors expected.

import pkg.SuperClass;

class ProtectedMemberAccess3 {

  // Since this class is not a subclass of the class in which the
  // protected members are declared, all of the accesses are illegal.

  pkg.SuperClass x = new pkg.SuperClass();

  static pkg.SuperClass sx = new pkg.SuperClass();

  class Inner {

    int i = x.pi;				// illegal
    int j = x.spi;				// illegal

    int n = sx.pi;				// illegal
    int m = sx.spi;				// illegal

    //static int sn = sx.pi;
    //static int sm = sx.spi;

    int w = x.pm();				// illegal
    int y = x.spm();				// illegal

    int u = sx.pm();				// illegal
    int v = sx.spm();				// illegal

    pkg.SuperClass.pC  obj1;			// illegal
    pkg.SuperClass.spC obj2;			// illegal

    pkg.SuperClass.pI  obj3;			// illegal
    pkg.SuperClass.spI obj4;			// illegal

    Object o1 = (pkg.SuperClass.pC) null;	// illegal
    Object o2 = (pkg.SuperClass.spC) null;	// illegal

    Object o3 = (pkg.SuperClass.pI) null;	// illegal
    Object o4 = (pkg.SuperClass.spI) null;	// illegal

    class C1 extends pkg.SuperClass.pC {}	// illegal
    class C2 extends pkg.SuperClass.spC {}	// illegal

    //interface I1 extends pkg.SuperClass.pI {}
    //interface I2 extends pkg.SuperClass.spI {}

    // Not allowed in inner classes.
    // static { ... }

    void m() {

      pkg.SuperClass lx = new pkg.SuperClass();

      x.pi  = 1;				// illegal
      x.spi = 2;				// illegal

      sx.pi  = 1;				// illegal
      sx.spi = 2;				// illegal

      lx.pi  = 1;				// illegal
      lx.spi = 2;				// illegal

      int t = x.pm();				// illegal
      int y = x.spm();				// illegal

      int u = sx.pm();				// illegal
      int v = sx.spm();				// illegal

      int w = lx.pm();				// illegal
      int z = lx.spm();				// illegal

      int i = x.pi;				// illegal
      int j = x.spi;				// illegal

      int n = sx.pi;				// illegal
      int m = sx.spi;				// illegal

      int k = lx.pi;				// illegal
      int l = lx.spi;				// illegal

      pkg.SuperClass.pC  obj1;			// illegal
      pkg.SuperClass.spC obj2;			// illegal

      pkg.SuperClass.pI  obj3;			// illegal
      pkg.SuperClass.spI obj4;			// illegal

      Object o1 = (pkg.SuperClass.pC) null;	// illegal
      Object o2 = (pkg.SuperClass.spC) null;	// illegal

      Object o3 = (pkg.SuperClass.pI) null;	// illegal
      Object o4 = (pkg.SuperClass.spI) null;	// illegal

      class C1 extends pkg.SuperClass.pC {}	// illegal
      class C2 extends pkg.SuperClass.spC {}	// illegal

      //interface I1 extends pkg.SuperClass.pI {}
      //interface I2 extends pkg.SuperClass.spI {}

    }

  }

}