langtools/test/tools/javac/NestedInnerClassNames.java
author lana
Thu, 21 Jan 2016 09:46:01 -0800
changeset 35340 38f7386ed942
parent 6150 d055fa8ced62
permissions -rw-r--r--
Added tag jdk-9+102 for changeset 7e3feb2ba5b3
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/*
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 * @test  /nodynamiccopyright/
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 * @bug 4037746 4277279 4350658 4785453
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 * @summary Verify that an inner class cannot have the same simple name as an enclosing one.
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 * @author William Maddox (maddox)
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 *
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d055fa8ced62 6971882: Remove -XDstdout from javac test
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 * @compile/fail/ref=NestedInnerClassNames.out -XDrawDiagnostics NestedInnerClassNames.java
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 */
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/*
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 * This program should compile with errors as marked.
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 */
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public class NestedInnerClassNames {
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    class NestedInnerClassNames {}              // ERROR
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    void m1() {
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        class NestedInnerClassNames {}          // ERROR
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    }
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    class foo {
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        class foo { }                           // ERROR
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    }
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    void m2 () {
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        class foo {
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            class foo { }                       // ERROR
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        }
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    }
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    class bar {
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        class foo { }
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        class NestedInnerClassNames {}          // ERROR
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    }
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    void m3() {
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        class bar {
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            class foo { }
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            class NestedInnerClassNames {}      // ERROR
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        }
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    }
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    class baz {
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        class baz {                             // ERROR
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            class baz { }                       // ERROR
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        }
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    }
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    void m4() {
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        class baz {
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            class baz {                         // ERROR
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                class baz { }                   // ERROR
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            }
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        }
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    }
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    class foo$bar {
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        class foo$bar {                         // ERROR
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            class foo { }
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            class bar { }
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        }
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    }
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    void m5() {
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        class foo$bar {
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            class foo$bar {                     // ERROR
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                class foo { }
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                class bar { }
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            }
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        }
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    }
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    class $bar {
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        class foo {
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            class $bar { }                      // ERROR
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        }
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    }
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    void m6() {
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        class $bar {
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            class foo {
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                class $bar { }                  // ERROR
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            }
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        }
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    }
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    class bar$bar {
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        class bar {
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            class bar{ }                       // ERROR
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        }
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    }
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    void m7() {
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        class bar$bar {
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            class bar {
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                class bar{ }                   // ERROR
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            }
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        }
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    }
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    // The name of the class below clashes with the name of the
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    // class created above for 'class foo { class foo {} }'.
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    // The clash follows from the naming requirements of the inner
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    // classes spec, but is most likely a specification bug.
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    // Error may be reported here.  See 4278961.
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    // As of Merlin-beta b21, this now results in an error.
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    class foo$foo { }                           // ERROR
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}