gcc/libjava/testsuite/libjava.lang/PR29495.java

57 lines
1.3 KiB
Java

// Test various reflection methods.
import java.lang.annotation.Inherited;
import java.lang.reflect.Method;
import java.lang.reflect.Field;
public class PR29495
{
public class container<T>
{
// This class has a synthetic field...
public T get(T v) { return v; }
}
public class concrete extends container<String>
{
// This makes us have a synthetic bridge method.
public String get(String v) { return "hi" + v; }
}
// varargs method
public static void va(Object... args)
{
}
public static void check(boolean x, String m)
{
if (! x)
System.out.println("fail: " + m);
}
public static void main(String[] args) throws Throwable
{
check (Inherited.class.isAnnotation(), "Inherited isAnnotation");
Method m = PR29495.class.getDeclaredMethod("va", new Class[] { Object[].class });
check (m.isVarArgs(), "va isVarArgs");
m = concrete.class.getDeclaredMethod("get", new Class[] { Object.class });
check (m.isSynthetic(), "get isSynthetic");
check (m.isBridge(), "get isBridge");
Field[] fs = container.class.getDeclaredFields();
boolean ok = false;
for (int i = 0; i < fs.length; ++i)
{
if (fs[i].isSynthetic())
{
ok = true;
break;
}
}
check (ok, "container has synthetic field");
}
}