duke@1: /*
duke@1:  * @test  /nodynamiccopyright/
duke@1:  * @bug 4037746 4277279 4350658 4785453
duke@1:  * @summary Verify that an inner class cannot have the same simple name as an enclosing one.
duke@1:  * @author William Maddox (maddox)
duke@1:  *
jjg@611:  * @compile/fail/ref=NestedInnerClassNames.out -XDrawDiagnostics NestedInnerClassNames.java
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * This program should compile with errors as marked.
duke@1:  */
duke@1: 
duke@1: public class NestedInnerClassNames {
duke@1: 
duke@1:     class NestedInnerClassNames {}              // ERROR
duke@1: 
duke@1:     void m1() {
duke@1:         class NestedInnerClassNames {}          // ERROR
duke@1:     }
duke@1: 
duke@1:     class foo {
duke@1:         class foo { }                           // ERROR
duke@1:     }
duke@1: 
duke@1:     void m2 () {
duke@1:         class foo {
duke@1:             class foo { }                       // ERROR
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     class bar {
duke@1:         class foo { }
duke@1:         class NestedInnerClassNames {}          // ERROR
duke@1:     }
duke@1: 
duke@1:     void m3() {
duke@1:         class bar {
duke@1:             class foo { }
duke@1:             class NestedInnerClassNames {}      // ERROR
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     class baz {
duke@1:         class baz {                             // ERROR
duke@1:             class baz { }                       // ERROR
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     void m4() {
duke@1:         class baz {
duke@1:             class baz {                         // ERROR
duke@1:                 class baz { }                   // ERROR
duke@1:             }
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     class foo$bar {
duke@1:         class foo$bar {                         // ERROR
duke@1:             class foo { }
duke@1:             class bar { }
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     void m5() {
duke@1:         class foo$bar {
duke@1:             class foo$bar {                     // ERROR
duke@1:                 class foo { }
duke@1:                 class bar { }
duke@1:             }
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     class $bar {
duke@1:         class foo {
duke@1:             class $bar { }                      // ERROR
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     void m6() {
duke@1:         class $bar {
duke@1:             class foo {
duke@1:                 class $bar { }                  // ERROR
duke@1:             }
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     class bar$bar {
duke@1:         class bar {
duke@1:             class bar{ }                       // ERROR
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     void m7() {
duke@1:         class bar$bar {
duke@1:             class bar {
duke@1:                 class bar{ }                   // ERROR
duke@1:             }
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     // The name of the class below clashes with the name of the
duke@1:     // class created above for 'class foo { class foo {} }'.
duke@1:     // The clash follows from the naming requirements of the inner
duke@1:     // classes spec, but is most likely a specification bug.
duke@1: 
duke@1:     // Error may be reported here.  See 4278961.
duke@1:     // As of Merlin-beta b21, this now results in an error.
duke@1:     class foo$foo { }                           // ERROR
duke@1: 
duke@1: }