--- a/jdk/test/java/lang/invoke/lambda/MetafactorySamReturnTest.java Mon Feb 13 11:57:56 2017 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,167 +0,0 @@
-/*
- * Copyright (c) 2014, 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.
- *
- * 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 8035776
- * @summary metafactory should fail if impl return does not match sam/bridge returns
- */
-import java.lang.invoke.*;
-import java.util.Arrays;
-import static java.lang.invoke.MethodType.methodType;
-
-public class MetafactorySamReturnTest {
-
- static final MethodHandles.Lookup lookup = MethodHandles.lookup();
-
- public interface I {}
-
- public static class C {
- public static void m_void(String arg) {}
- public static boolean m_boolean(String arg) { return true; }
- public static char m_char(String arg) { return 'x'; }
- public static byte m_byte(String arg) { return 12; }
- public static short m_short(String arg) { return 12; }
- public static int m_int(String arg) { return 12; }
- public static long m_long(String arg) { return 12; }
- public static float m_float(String arg) { return 12; }
- public static double m_double(String arg) { return 12; }
- public static String m_String(String arg) { return ""; }
- public static Integer m_Integer(String arg) { return 23; }
- public static Object m_Object(String arg) { return new Object(); }
-
- public static MethodHandle getMH(Class<?> c) {
- try {
- return lookup.findStatic(C.class, "m_" + c.getSimpleName(), methodType(c, String.class));
- }
- catch (NoSuchMethodException | IllegalAccessException e) {
- throw new RuntimeException(e);
- }
- }
- }
-
- public static void main(String... args) {
- Class<?>[] t = { void.class, boolean.class, char.class,
- byte.class, short.class, int.class, long.class, float.class, double.class,
- String.class, Integer.class, Object.class };
-
- for (int i = 0; i < t.length; i++) {
- MethodHandle mh = C.getMH(t[i]);
- for (int j = 0; j < t.length; j++) {
- // TEMPORARY EXCEPTIONS
- if (t[j] == void.class) continue;
- if (t[i].isPrimitive() && t[j] == Object.class) continue;
- if (t[i] == char.class && (t[j] == int.class || t[j] == long.class || t[j] == float.class || t[j] == double.class)) continue;
- if (t[i] == byte.class && (t[j] == short.class || t[j] == int.class || t[j] == long.class || t[j] == float.class || t[j] == double.class)) continue;
- if (t[i] == short.class && (t[j] == int.class || t[j] == long.class || t[j] == float.class || t[j] == double.class)) continue;
- if (t[i] == int.class && (t[j] == long.class || t[j] == float.class || t[j] == double.class)) continue;
- if (t[i] == long.class && (t[j] == float.class || t[j] == double.class)) continue;
- if (t[i] == float.class && t[j] == double.class) continue;
- if (t[i] == int.class && t[j] == Integer.class) continue;
- if (t[i] == Integer.class && (t[j] == int.class || t[j] == long.class || t[j] == float.class || t[j] == double.class)) continue;
- // END TEMPORARY EXCEPTIONS
- boolean correct = (t[i].isPrimitive() || t[j].isPrimitive())
- ? t[i] == t[j]
- : t[j].isAssignableFrom(t[i]);
- MethodType mti = methodType(t[i], String.class);
- MethodType mtiCS = methodType(t[i], CharSequence.class);
- MethodType mtj = methodType(t[j], String.class);
- MethodType mtjObj = methodType(t[j], Object.class);
- test(correct, mh, mti, mtj);
- testBridge(correct, mh, mti, mti, mtjObj);
- testBridge(correct, mh, mti, mti, mtiCS, mtjObj);
- }
- }
- }
-
- static void test(boolean correct, MethodHandle mh, MethodType instMT, MethodType samMT) {
- tryMetafactory(correct, mh, new Class<?>[]{}, instMT, samMT);
- tryAltMetafactory(correct, mh, new Class<?>[]{}, instMT, samMT);
- }
-
- static void testBridge(boolean correct, MethodHandle mh, MethodType instMT, MethodType samMT, MethodType... bridgeMTs) {
- tryAltMetafactory(correct, mh, new Class<?>[]{}, instMT, samMT, bridgeMTs);
- }
-
- static void tryMetafactory(boolean correct, MethodHandle mh, Class<?>[] captured,
- MethodType instMT, MethodType samMT) {
- try {
- LambdaMetafactory.metafactory(lookup, "run", methodType(I.class, captured),
- samMT, mh, instMT);
- if (!correct) {
- throw new AssertionError("Uncaught linkage error:" +
- " impl=" + mh +
- ", captured=" + Arrays.toString(captured) +
- ", inst=" + instMT +
- ", sam=" + samMT);
- }
- }
- catch (LambdaConversionException e) {
- if (correct) {
- throw new AssertionError("Unexpected linkage error:" +
- " e=" + e +
- ", impl=" + mh +
- ", captured=" + Arrays.toString(captured) +
- ", inst=" + instMT +
- ", sam=" + samMT);
- }
- }
- }
-
- static void tryAltMetafactory(boolean correct, MethodHandle mh, Class<?>[] captured,
- MethodType instMT, MethodType samMT, MethodType... bridgeMTs) {
- boolean bridge = bridgeMTs.length > 0;
- Object[] args = new Object[bridge ? 5+bridgeMTs.length : 4];
- args[0] = samMT;
- args[1] = mh;
- args[2] = instMT;
- args[3] = bridge ? LambdaMetafactory.FLAG_BRIDGES : 0;
- if (bridge) {
- args[4] = bridgeMTs.length;
- for (int i = 0; i < bridgeMTs.length; i++) args[5+i] = bridgeMTs[i];
- }
- try {
- LambdaMetafactory.altMetafactory(lookup, "run", methodType(I.class, captured), args);
- if (!correct) {
- throw new AssertionError("Uncaught linkage error:" +
- " impl=" + mh +
- ", captured=" + Arrays.toString(captured) +
- ", inst=" + instMT +
- ", sam=" + samMT +
- ", bridges=" + Arrays.toString(bridgeMTs));
- }
- }
- catch (LambdaConversionException e) {
- if (correct) {
- throw new AssertionError("Unexpected linkage error:" +
- " e=" + e +
- ", impl=" + mh +
- ", captured=" + Arrays.toString(captured) +
- ", inst=" + instMT +
- ", sam=" + samMT +
- ", bridges=" + Arrays.toString(bridgeMTs));
- }
- }
- }
-
-}