8009582: Method reference generic constructor gives: IllegalArgumentException: Invalid lambda deserialization
Reviewed-by: mcimadamore
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/*
* @test
* @bug 8009582
* @summary Method reference generic constructor gives: IllegalArgumentException: Invalid lambda deserialization
* @author Robert Field
* @run main GenericMethodRefImplClass
*/
import java.io.*;
import java.util.*;
public class GenericMethodRefImplClass {
static int assertionCount = 0;
static void assertTrue(boolean cond) {
assertionCount++;
if (!cond)
throw new AssertionError();
}
public static void main(String[] args) throws Exception {
try {
// Write lambdas out
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(baos);
write(out, HashMap::new );
out.flush();
out.close();
// Read them back
ByteArrayInputStream bais =
new ByteArrayInputStream(baos.toByteArray());
ObjectInputStream in = new ObjectInputStream(bais);
readIt(in);
in.close();
} catch (IOException e) {
e.printStackTrace();
throw e;
}
assertTrue(assertionCount == 1);
}
static void write(ObjectOutput out, GenericMethodRefImplClassLSI lamb) throws IOException {
out.writeObject(lamb);
}
static void readIt(ObjectInputStream in) throws IOException, ClassNotFoundException {
GenericMethodRefImplClassLSI ls = (GenericMethodRefImplClassLSI) in.readObject();
Map result = ls.convert();
assertTrue(result.getClass().getName().equals("java.util.HashMap"));
}
}
interface GenericMethodRefImplClassLSI extends Serializable {
Map convert();
}