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JMockit on Java 11 #534

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risicle opened this issue Jul 29, 2018 · 3 comments
Closed

JMockit on Java 11 #534

risicle opened this issue Jul 29, 2018 · 3 comments
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@risicle
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@risicle risicle commented Jul 29, 2018

  • Version of JMockit that was used:

1.40

  • Description of the problem:

This is a stub issue for JMockit on Java 11. I'll have a go at getting jmockit's test suite running on java 11 to see if that passes, but for now I seem to be getting:

java.lang.UnsupportedOperationException: class redefinition failed: attempted to change the class NestHost or NestMembers attribute
        at java.instrument/sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)
        at mypackage.MyTest$1.<init>(MyTest.java:52)
        ...

When instantiating a MockUp derivative that works fine on java <= 10.

@jmockit jmockit deleted a comment from don-vip Aug 2, 2018
@jmockit jmockit deleted a comment from don-vip Aug 2, 2018
simon04 pushed a commit to JOSM/josm that referenced this issue Aug 4, 2018
floscher pushed a commit to floscher/josm that referenced this issue Aug 4, 2018
@rliesenfeld
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@rliesenfeld rliesenfeld commented Aug 18, 2018

Support for the new "NestHost" and "NestMembers" classfile attributes will be added once JDK 11 is released.

@jmockit jmockit deleted a comment from risicle Aug 18, 2018
@jmockit jmockit deleted a comment from risicle Aug 18, 2018
@jmockit jmockit deleted a comment from don-vip Aug 18, 2018
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@rliesenfeld
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@rliesenfeld rliesenfeld commented Sep 12, 2018

I tested it with a simple test which applies an anonymous MockUp to a small class, but there is no failure (compiling with "-source 1.11" and "-target 1.11").

@jmockit jmockit unlocked this conversation Sep 12, 2018
@rliesenfeld rliesenfeld reopened this Sep 13, 2018
@don-vip
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@don-vip don-vip commented Sep 13, 2018

Here you go:

public class ExportProfileActionTest {

    private static class JOptionPaneSimpleMocker extends mockit.MockUp<javax.swing.JOptionPane> {

        @mockit.Mock
        protected Object showInputDialog(
            final java.awt.Component parentComponent,
            final Object message,
            final String title,
            final int messageType,
            final javax.swing.Icon icon,
            final Object[] selectionValues,
            final Object initialSelectionValue
        ) {
            return null;
        }

        @mockit.Mock
        protected void showMessageDialog(
            final java.awt.Component parentComponent,
            final Object message,
            final String title,
            final int messageType,
            final javax.swing.Icon icon
        ) {
        }

        @mockit.Mock
        protected int showConfirmDialog(
            final java.awt.Component parentComponent,
            final Object message,
            final String title,
            final int optionType,
            final int messageType,
            final javax.swing.Icon icon
        ) {
            return 0;
        }
    }

    @org.junit.Test
    public void testAction() {
        new JOptionPaneSimpleMocker();
    }
}

Results:

java.lang.UnsupportedOperationException: class redefinition failed: attempted to change the class NestHost or NestMembers attribute
	at java.instrument/sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)
	at org.openstreetmap.josm.gui.preferences.advanced.ExportProfileActionTest$JOptionPaneSimpleMocker.<init>(ExportProfileActionTest.java:6)
	at org.openstreetmap.josm.gui.preferences.advanced.ExportProfileActionTest$JOptionPaneSimpleMocker.<init>(ExportProfileActionTest.java:6)
	at org.openstreetmap.josm.gui.preferences.advanced.ExportProfileActionTest.testAction(ExportProfileActionTest.java:46)

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