jdk/test/java/lang/invoke/FindAccessTest.java
changeset 36221 0543ccb78f27
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/invoke/FindAccessTest.java	Wed Mar 02 20:36:00 2016 +0100
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2015, 2016, 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 8139885
+ * @run testng/othervm -ea -esa test.java.lang.invoke.FindAccessTest
+ */
+
+package test.java.lang.invoke;
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodHandles.Lookup;
+import java.lang.invoke.MethodType;
+
+import static org.testng.AssertJUnit.*;
+
+import org.testng.annotations.*;
+
+/**
+ * Tests for Lookup.findClass/accessClass extensions added in JEP 274.
+ */
+public class FindAccessTest {
+
+    static final Lookup LOOKUP = MethodHandles.lookup();
+
+    @Test
+    public static void testFindSpecial() throws Throwable {
+        FindSpecial.C c = new FindSpecial.C();
+        assertEquals("I1.m", c.m());
+        MethodType t = MethodType.methodType(String.class);
+        MethodHandle ci1m = LOOKUP.findSpecial(FindSpecial.I1.class, "m", t, FindSpecial.C.class);
+        assertEquals("I1.m", (String) ci1m.invoke(c));
+    }
+
+    @Test
+    public static void testFindSpecialAbstract() throws Throwable {
+        FindSpecial.C c = new FindSpecial.C();
+        assertEquals("q", c.q());
+        MethodType t = MethodType.methodType(String.class);
+        boolean caught = false;
+        try {
+            MethodHandle ci3q = LOOKUP.findSpecial(FindSpecial.I3.class, "q", t, FindSpecial.C.class);
+        } catch (Throwable thrown) {
+            if (!(thrown instanceof IllegalAccessException) || !FindSpecial.ABSTRACT_ERROR.equals(thrown.getMessage())) {
+                throw new AssertionError(thrown.getMessage(), thrown);
+            }
+            caught = true;
+        }
+        assertTrue(caught);
+    }
+
+    @Test(expectedExceptions = {ClassNotFoundException.class})
+    public static void testFindClassCNFE() throws ClassNotFoundException, IllegalAccessException {
+        LOOKUP.findClass("does.not.Exist");
+    }
+
+    static class FindSpecial {
+
+        interface I1 {
+            default String m() {
+                return "I1.m";
+            }
+        }
+
+        interface I2 {
+            default String m() {
+                return "I2.m";
+            }
+        }
+
+        interface I3 {
+            String q();
+        }
+
+        static class C implements I1, I2, I3 {
+            public String m() {
+                return I1.super.m();
+            }
+            public String q() {
+                return "q";
+            }
+        }
+
+        static final String ABSTRACT_ERROR = "no such method: test.java.lang.invoke.FindAccessTest$FindSpecial$I3.q()String/invokeSpecial";
+
+    }
+
+}