1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 8186046
  27  * @summary Test invalid name in name and type
  28  * @library /lib/testlibrary/bytecode /java/lang/invoke/common
  29  * @build jdk.experimental.bytecode.BasicClassBuilder test.java.lang.invoke.lib.InstructionHelper
  30  * @run testng CondyNameValidationTest
  31  */
  32 
  33 import org.testng.annotations.DataProvider;
  34 import org.testng.annotations.Test;
  35 import test.java.lang.invoke.lib.InstructionHelper;
  36 
  37 import java.lang.invoke.MethodHandle;
  38 import java.lang.invoke.MethodHandles;
  39 import java.lang.invoke.MethodType;
  40 import java.util.stream.Stream;
  41 
  42 import static java.lang.invoke.MethodType.methodType;
  43 
  44 public class CondyNameValidationTest {
  45     static final MethodHandles.Lookup L = MethodHandles.lookup();
  46     static final MethodType BSM_TYPE = methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class);
  47 
  48     @DataProvider
  49     public Object[][] invalidNamesProvider() throws Exception {
  50         return Stream.of("",
  51                          ".",
  52                          ";",
  53                          "[",
  54                          "/")
  55                 .map(e -> new Object[]{e}).toArray(Object[][]::new);
  56     }
  57 
  58     @Test(dataProvider = "invalidNamesProvider", expectedExceptions = java.lang.ClassFormatError.class)
  59     public void testInvalidNames(String name) throws Exception {
  60         MethodHandle mh = InstructionHelper.ldcDynamicConstant(
  61                 L, name, Object.class,
  62                 "bsm", BSM_TYPE,
  63                 S -> {
  64                 });
  65     }
  66 
  67     @DataProvider
  68     public Object[][] validNamesProvider() throws Exception {
  69         return Stream.of("<clinit>",
  70                          "<init>",
  71                          "<foo>")
  72                 .map(e -> new Object[]{e}).toArray(Object[][]::new);
  73     }
  74 
  75     @Test(dataProvider = "validNamesProvider")
  76     public void testValidNames(String name) throws Exception {
  77         MethodHandle mh = InstructionHelper.ldcDynamicConstant(
  78                 L, name, Object.class,
  79                 "bsm", BSM_TYPE,
  80                 S -> {
  81                 });
  82     }
  83 }