8003639: convert lambda testng tests to jtreg and add them

Reviewed-by: mcimadamore

langtools/test/tools/javac/lambda/methodReferenceExecution/MethodReferenceTestFDCCE.java

@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8003639
+ * @summary convert lambda testng tests to jtreg and add them
+ * @run testng MethodReferenceTestFDCCE
+ */
+
+import org.testng.annotations.Test;
+import java.lang.reflect.Array;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+import static org.testng.Assert.fail;
+
+/**
+ * Method references and raw types.
+ * @author Robert Field
+ */
+
+@Test
+@SuppressWarnings({"rawtypes", "unchecked"})
+public class MethodReferenceTestFDCCE {
+
+    static void assertCCE(Throwable t) {
+        assertEquals(t.getClass().getName(), "java.lang.ClassCastException");
+    }
+
+    interface Pred<T> { boolean accept(T x); }
+
+    interface Ps { boolean accept(short x); }
+
+    interface Oo { Object too(int x); }
+
+    interface Reto<T> { T m(); }
+
+    class A {}
+    class B extends A {}
+
+    static boolean isMinor(int x) {
+        return x < 18;
+    }
+
+    static boolean tst(A x) {
+        return true;
+    }
+
+    static Object otst(Object x) {
+        return x;
+    }
+
+    static boolean stst(Short x) {
+        return x < 18;
+    }
+
+    static short ritst() {
+        return 123;
+    }
+
+    public void testMethodReferenceFDPrim1() {
+        Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
+        Pred p2 = p;
+        assertTrue(p2.accept((Byte)(byte)15));
+    }
+
+    public void testMethodReferenceFDPrim2() {
+        Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
+        Pred p2 = p;
+        assertTrue(p2.accept((byte)15));
+    }
+
+    public void testMethodReferenceFDPrimICCE() {
+        Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
+        Pred p2 = p;
+        try {
+            p2.accept(15); // should throw CCE
+            fail("Exception should have been thrown");
+        } catch (Throwable t) {
+            assertCCE(t);
+        }
+    }
+
+    public void testMethodReferenceFDPrimOCCE() {
+        Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;
+        Pred p2 = p;
+        try {
+            p2.accept(new Object()); // should throw CCE
+            fail("Exception should have been thrown");
+        } catch (Throwable t) {
+            assertCCE(t);
+        }
+    }
+
+    public void testMethodReferenceFDRef() {
+        Pred<B> p = MethodReferenceTestFDCCE::tst;
+        Pred p2 = p;
+        assertTrue(p2.accept(new B()));
+    }
+
+    public void testMethodReferenceFDRefCCE() {
+        Pred<B> p = MethodReferenceTestFDCCE::tst;
+        Pred p2 = p;
+        try {
+            p2.accept(new A()); // should throw CCE
+            fail("Exception should have been thrown");
+        } catch (Throwable t) {
+            assertCCE(t);
+        }
+    }
+
+    public void testMethodReferenceFDPrimPrim() {
+        Ps p = MethodReferenceTestFDCCE::isMinor;
+        assertTrue(p.accept((byte)15));
+    }
+
+    public void testMethodReferenceFDPrimBoxed() {
+        Ps p = MethodReferenceTestFDCCE::stst;
+        assertTrue(p.accept((byte)15));
+    }
+
+    public void testMethodReferenceFDPrimRef() {
+        Oo p = MethodReferenceTestFDCCE::otst;
+        assertEquals(p.too(15).getClass().getName(), "java.lang.Integer");
+    }
+
+    public void testMethodReferenceFDRet1() {
+        Reto<Short> p = MethodReferenceTestFDCCE::ritst;
+        assertEquals(p.m(), (Short)(short)123);
+    }
+}