aoqi@0: /*
aoqi@0:  * @test /nodynamiccopyright/
aoqi@0:  * @bug 8029102
aoqi@0:  * @summary Enhance compiler warnings for Lambda
aoqi@0:  *     Checks that the warning for accessing non public members of a class is
aoqi@0:  *     fired correctly.
aoqi@0:  * @compile/fail/ref=WarnSerializableLambdaTest.out -XDrawDiagnostics -Werror -XDwarnOnAccessToSensitiveMembers WarnSerializableLambdaTest.java
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.io.Serializable;
aoqi@0: 
aoqi@0: public class WarnSerializableLambdaTest {
aoqi@0: 
aoqi@0:     void warnLambda() throws Exception {
aoqi@0:         SAM t3 = (SAM & Serializable)WarnSerializableLambdaTest::packageClassMethod;
aoqi@0:         SAM t4 = (SAM & Serializable)WarnSerializableLambdaTest::protectedClassMethod;
aoqi@0:         SAM t5 = (SAM & Serializable)WarnSerializableLambdaTest::privateClassMethod;
aoqi@0: 
aoqi@0:         WarnSerializableLambdaTest test = new WarnSerializableLambdaTest();
aoqi@0:         SAM t6 = (SAM & Serializable)test::packageInstanceMethod;
aoqi@0:         SAM t7 = (SAM & Serializable)test::protectedInstanceMethod;
aoqi@0:         SAM t8 = (SAM & Serializable)test::privateInstanceMethod;
aoqi@0: 
aoqi@0:         SAM t9 = (SAM & Serializable) c -> {
aoqi@0: 
aoqi@0:             WarnSerializableLambdaTest.staticPackageField = "";
aoqi@0:             WarnSerializableLambdaTest.staticProtectedField = "";
aoqi@0:             WarnSerializableLambdaTest.staticPrivateField = "";
aoqi@0: 
aoqi@0:             packageField = "";
aoqi@0:             protectedField = "";
aoqi@0:             privateField = "";
aoqi@0: 
aoqi@0:             WarnSerializableLambdaTest.packageClassMethod(null);
aoqi@0:             WarnSerializableLambdaTest.protectedClassMethod(null);
aoqi@0:             WarnSerializableLambdaTest.privateClassMethod(null);
aoqi@0: 
aoqi@0:             packageInstanceMethod(null);
aoqi@0:             protectedInstanceMethod(null);
aoqi@0:             privateInstanceMethod(null);
aoqi@0: 
aoqi@0:             PrivateClass.effectivelyNonPublicStaticField = "";
aoqi@0:             PrivateClass.effectivelyNonPublicClassMethod();
aoqi@0: 
aoqi@0:             PrivateClass p = new PrivateClass();
aoqi@0:             p.effectivelyNonPublicInstanceField = "";
aoqi@0:             p.effectivelyNonPublicInstanceMethod();
aoqi@0: 
aoqi@0:             return null;
aoqi@0:         };
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void warnAnoInnerClass() throws Exception {
aoqi@0:         new SerializableDesc() {
aoqi@0:             public void m(Object param) throws Exception {
aoqi@0:                 WarnSerializableLambdaTest.staticPackageField = "";
aoqi@0:                 WarnSerializableLambdaTest.staticProtectedField = "";
aoqi@0:                 WarnSerializableLambdaTest.staticPrivateField = "";
aoqi@0: 
aoqi@0:                 packageField = "";
aoqi@0:                 protectedField = "";
aoqi@0:                 privateField = "";
aoqi@0: 
aoqi@0:                 WarnSerializableLambdaTest.packageClassMethod(null);
aoqi@0:                 WarnSerializableLambdaTest.protectedClassMethod(null);
aoqi@0:                 WarnSerializableLambdaTest.privateClassMethod(null);
aoqi@0: 
aoqi@0:                 packageInstanceMethod(null);
aoqi@0:                 protectedInstanceMethod(null);
aoqi@0:                 privateInstanceMethod(null);
aoqi@0: 
aoqi@0:                 PrivateClass.effectivelyNonPublicStaticField = "";
aoqi@0:                 PrivateClass.effectivelyNonPublicClassMethod();
aoqi@0: 
aoqi@0:                 PrivateClass p = new PrivateClass();
aoqi@0:                 p.effectivelyNonPublicInstanceField = "";
aoqi@0:                 p.effectivelyNonPublicInstanceMethod();
aoqi@0:             }
aoqi@0:         };
aoqi@0:     }
aoqi@0: 
aoqi@0:     void dontWarnLambda() throws Exception {
aoqi@0:         SAM t1 = (SAM & Serializable)WarnSerializableLambdaTest::publicClassMethod;
aoqi@0: 
aoqi@0:         WarnSerializableLambdaTest test = new WarnSerializableLambdaTest();
aoqi@0:         SAM t2 = (SAM & Serializable)test::publicInstanceMethod;
aoqi@0: 
aoqi@0:         int[] buffer = {0};
aoqi@0: 
aoqi@0:         SAM t3 = (SAM & Serializable) param -> {
aoqi@0:             Object localVar;
aoqi@0:             localVar = null;
aoqi@0:             param = null;
aoqi@0: 
aoqi@0:             WarnSerializableLambdaTest.staticPublicField = "";
aoqi@0:             publicField = "";
aoqi@0:             WarnSerializableLambdaTest.publicClassMethod(null);
aoqi@0:             publicInstanceMethod(null);
aoqi@0: 
aoqi@0:             PublicClass.effectivelyPublicStaticField = "";
aoqi@0:             PublicClass.effectivelyPublicClassMethod();
aoqi@0: 
aoqi@0:             PublicClass p = new PublicClass();
aoqi@0:             p.effectivelyPublicInstanceField = "";
aoqi@0:             p.effectivelyPublicInstanceMethod();
aoqi@0: 
aoqi@0:             int l = buffer.length;
aoqi@0: 
aoqi@0:             return null;
aoqi@0:         };
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void dontWarnAnoInnerClass() throws Exception {
aoqi@0:         final int[] buffer = {0};
aoqi@0:         new SerializableDesc() {
aoqi@0:             public void m(Object param) throws Exception {
aoqi@0:                 Object localVar;
aoqi@0:                 localVar = null;
aoqi@0:                 param = null;
aoqi@0: 
aoqi@0:                 WarnSerializableLambdaTest.staticPublicField = "";
aoqi@0:                 publicField = "";
aoqi@0:                 WarnSerializableLambdaTest.publicClassMethod(null);
aoqi@0:                 publicInstanceMethod(null);
aoqi@0: 
aoqi@0:                 PublicClass.effectivelyPublicStaticField = "";
aoqi@0:                 PublicClass.effectivelyPublicClassMethod();
aoqi@0: 
aoqi@0:                 PublicClass p = new PublicClass();
aoqi@0:                 p.effectivelyPublicInstanceField = "";
aoqi@0:                 p.effectivelyPublicInstanceMethod();
aoqi@0: 
aoqi@0:                 int l = buffer.length;
aoqi@0:             }
aoqi@0:         };
aoqi@0:     }
aoqi@0: 
aoqi@0:     enum WarnEnum {
aoqi@0:         A {
aoqi@0:             public void m() throws Exception {
aoqi@0:                 WarnSerializableLambdaTest.staticPackageField = "";
aoqi@0:                 WarnSerializableLambdaTest.staticProtectedField = "";
aoqi@0:                 WarnSerializableLambdaTest.staticPrivateField = "";
aoqi@0: 
aoqi@0:                 WarnSerializableLambdaTest test =
aoqi@0:                         new WarnSerializableLambdaTest();
aoqi@0: 
aoqi@0:                 test.packageField = "";
aoqi@0:                 test.protectedField = "";
aoqi@0:                 test.privateField = "";
aoqi@0: 
aoqi@0:                 WarnSerializableLambdaTest.packageClassMethod(null);
aoqi@0:                 WarnSerializableLambdaTest.protectedClassMethod(null);
aoqi@0:                 WarnSerializableLambdaTest.privateClassMethod(null);
aoqi@0: 
aoqi@0:                 test.packageInstanceMethod(null);
aoqi@0:                 test.protectedInstanceMethod(null);
aoqi@0:                 test.privateInstanceMethod(null);
aoqi@0: 
aoqi@0:                 PrivateClass.effectivelyNonPublicStaticField = "";
aoqi@0:                 PrivateClass.effectivelyNonPublicClassMethod();
aoqi@0: 
aoqi@0:                 PrivateClass p = new PrivateClass();
aoqi@0:                 p.effectivelyNonPublicInstanceField = "";
aoqi@0:                 p.effectivelyNonPublicInstanceMethod();
aoqi@0:             }
aoqi@0:         };
aoqi@0: 
aoqi@0:         public void m() throws Exception {}
aoqi@0:     }
aoqi@0: 
aoqi@0:     static String staticPackageField;
aoqi@0:     static private String staticPrivateField;
aoqi@0:     static protected String staticProtectedField;
aoqi@0:     static public String staticPublicField;
aoqi@0: 
aoqi@0:     String packageField;
aoqi@0:     private String privateField;
aoqi@0:     protected String protectedField;
aoqi@0:     public String publicField;
aoqi@0: 
aoqi@0:     static Object packageClassMethod(String s) {
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     static private Object privateClassMethod(String s) {
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     static protected Object protectedClassMethod(String s) {
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     static public Object publicClassMethod(String s) {
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     Object packageInstanceMethod(String s) {
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     protected Object protectedInstanceMethod(String s) {
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     private Object privateInstanceMethod(String s) {
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public Object publicInstanceMethod(String s) {
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     interface SAM {
aoqi@0:         Object apply(String s) throws Exception;
aoqi@0:     }
aoqi@0: 
aoqi@0:     interface SAM2 {
aoqi@0:         Object apply(String arg1, String arg2);
aoqi@0:     }
aoqi@0: 
aoqi@0:     class SerializableDesc implements Serializable {
aoqi@0:         public void m(Object param) throws Exception {}
aoqi@0:     }
aoqi@0: 
aoqi@0:     static private class PrivateClass {
aoqi@0:         static public String effectivelyNonPublicStaticField;
aoqi@0:         public String effectivelyNonPublicInstanceField;
aoqi@0: 
aoqi@0:         static public void effectivelyNonPublicClassMethod() {}
aoqi@0:         public void effectivelyNonPublicInstanceMethod() {}
aoqi@0:     }
aoqi@0: 
aoqi@0:     static public class PublicClass {
aoqi@0:         static public String effectivelyPublicStaticField;
aoqi@0:         public String effectivelyPublicInstanceField;
aoqi@0: 
aoqi@0:         static public void effectivelyPublicClassMethod() {}
aoqi@0:         public void effectivelyPublicInstanceMethod() {}
aoqi@0:     }
aoqi@0: }