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test/tools/javac/TryWithResources/ImplicitFinal.java@93012e2a5d1d (annotated)

test/tools/javac/TryWithResources/ImplicitFinal.java

Sat, 07 Nov 2020 10:30:02 +0800

author

aoqi

date

Sat, 07 Nov 2020 10:30:02 +0800

changeset 3938

93012e2a5d1d

parent 2525

2eb010b6cb22

permissions

-rw-r--r--

Added tag mips-jdk8u275-b01 for changeset eb6ee6a5f2fe

aoqi@0	1	/*
aoqi@0	2	* @test /nodynamiccopyright/
aoqi@0	3	* @bug 6911256 6964740 6965277 7013420
aoqi@0	4	* @author Maurizio Cimadamore
aoqi@0	5	* @summary Test that resource variables are implicitly final
aoqi@0	6	* @compile/fail/ref=ImplicitFinal.out -XDrawDiagnostics ImplicitFinal.java
aoqi@0	7	*/
aoqi@0	8
aoqi@0	9	import java.io.IOException;
aoqi@0	10
aoqi@0	11	class ImplicitFinal implements AutoCloseable {
aoqi@0	12	public static void main(String... args) {
aoqi@0	13	try(ImplicitFinal r = new ImplicitFinal()) {
aoqi@0	14	r = null; //disallowed
aoqi@0	15	} catch (IOException ioe) { // Not reachable
aoqi@0	16	throw new AssertionError("Shouldn't reach here", ioe);
aoqi@0	17	}
aoqi@0	18
aoqi@0	19	try(@SuppressWarnings("unchecked") ImplicitFinal r1 = new ImplicitFinal()) {
aoqi@0	20	r1 = null; //disallowed
aoqi@0	21	} catch (IOException ioe) { // Not reachable
aoqi@0	22	throw new AssertionError("Shouldn't reach here", ioe);
aoqi@0	23	}
aoqi@0	24
aoqi@0	25	try(final ImplicitFinal r2 = new ImplicitFinal()) {
aoqi@0	26	r2 = null; //disallowed
aoqi@0	27	} catch (IOException ioe) { // Not reachable
aoqi@0	28	throw new AssertionError("Shouldn't reach here", ioe);
aoqi@0	29	}
aoqi@0	30
aoqi@0	31	try(final @SuppressWarnings("unchecked") ImplicitFinal r3 = new ImplicitFinal()) {
aoqi@0	32	r3 = null; //disallowed
aoqi@0	33	} catch (IOException ioe) { // Not reachable
aoqi@0	34	throw new AssertionError("Shouldn't reach here", ioe);
aoqi@0	35	}
aoqi@0	36	}
aoqi@0	37	public void close() throws IOException {
aoqi@0	38	throw new IOException();
aoqi@0	39	}
aoqi@0	40	}