Jochen Theodorou created GROOVY-7709:
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Summary: NPE with ConvertedClosure
Key: GROOVY-7709
URL: https://issues.apache.org/jira/browse/GROOVY-7709
Project: Groovy
Issue Type: Bug
Reporter: Jochen Theodorou
{code}
interface Y extends GroovyObject {}
def cl = {println 1} as Y
assert cl instanceof GroovyObject
if (cl) println "!cl"
{code}
the code above will cause the execution of the method getMetaClass in the
boolean part of the "if". It looks like this code path now produces a NPE
{code}
java.lang.NullPointerException
at
org.codehaus.groovy.runtime.InvokerHelper.invokePogoMethod(InvokerHelper.java:919)
at
org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:902)
at
org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.castToBoolean(DefaultTypeTransformation.java:185)
at
org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.booleanUnbox(DefaultTypeTransformation.java:74){code}
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