langtools/test/tools/javac/TryWithResources/TwrVarKinds.java
author jlahoda
Wed, 09 Dec 2015 14:26:56 +0100
changeset 34565 627464b87753
permissions -rw-r--r--
8080641: JEP-JDK-8042880 : Implement new tests on Project Coin Summary: A set of tests using t-w-r as variable in different positive and negative constructions Reviewed-by: abuckley, darcy, jlahoda, sadayapalam Contributed-by: sergei.pikalev@oracle.com
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/*
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 * @test /nodynamiccopyright/
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 * @bug 7196163
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 * @summary Twr with different kinds of variables: local, instance, class, array component, parameter
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 * @compile/fail/ref=TwrVarKinds.out -XDrawDiagnostics TwrVarKinds.java
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 */
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public class TwrVarKinds implements AutoCloseable {
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    final static TwrVarKinds r1 = new TwrVarKinds();
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    final TwrVarKinds r2 = new TwrVarKinds();
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    static TwrVarKinds r3 = new TwrVarKinds();
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    TwrVarKinds r4 = new TwrVarKinds();
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    public static void main(String... args) {
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        TwrVarKinds r5 = new TwrVarKinds();
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        /* static final field - ok */
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        try (r1) {
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        }
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        /* non-static final field - ok */
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        try (r1.r2) {
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        }
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        /* static non-final field - wrong */
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        try (r3) {
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            fail("Static non-final field is not allowed");
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        }
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        /* non-static non-final field - wrong */
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        try (r1.r4) {
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            fail("Non-static non-final field is not allowed");
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        }
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        /* local variable - covered by TwrForVariable1 test */
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        /* array components - covered by TwrForVariable2 test */
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        /* method parameter - ok */
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        method(r5);
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        /* constructor parameter - ok */
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        TwrVarKinds r6 = new TwrVarKinds(r5);
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        /* lambda parameter - covered by TwrAndLambda */
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        /* exception parameter - ok */
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        try {
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            throw new ResourceException();
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        } catch (ResourceException e) {
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            try (e) {
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            }
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        }
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    }
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    public TwrVarKinds() {
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    }
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    public TwrVarKinds(TwrVarKinds r) {
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        try (r) {
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        }
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    }
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    static void method(TwrVarKinds r) {
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        /* parameter */
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        try (r) {
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        }
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    }
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    static void fail(String reason) {
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        throw new RuntimeException(reason);
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    }
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    public void close() {}
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    static class ResourceException extends Exception implements AutoCloseable {
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        public void close() {}
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    }
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}