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/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 CondyTypeValidationTest

    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.util.ArrayList;

    40 import java.util.List;

    41 import java.util.stream.Collectors;

    42 import java.util.stream.Stream;

    43 

    44 import static java.lang.invoke.MethodType.methodType;

    45 

    46 public class CondyTypeValidationTest {

    47     static final MethodHandles.Lookup L = MethodHandles.lookup();

    48     static final String BSM_TYPE = methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class)

    49             .toMethodDescriptorString();

    50 

    51     @DataProvider

    52     public Object[][] invalidTypesProvider() throws Exception {

    53         return Stream.of(

    54 //                         ByteCode API checks for the following invalid types

    55 //                         "",

    56 //                         "[",

    57 //                         "A",

    58 //                         "a",

    59                 "L/java/lang/Object",

    60                 Stream.generate(() -> "[").limit(256).collect(Collectors.joining("", "", "I")))

    61                 .map(e -> new Object[]{e}).toArray(Object[][]::new);

    62     }

    63 

    64     @Test(dataProvider = "invalidTypesProvider", expectedExceptions = ClassFormatError.class)

    65     public void testInvalidTypes(String type) throws Exception {

    66         MethodHandle mh = InstructionHelper.ldcDynamicConstant(

    67                 L, "name", type,

    68                 "bsm", BSM_TYPE,

    69                 S -> {

    70                 });

    71     }

    72 

    73     @DataProvider

    74     public Object[][] validTypesProvider() throws Exception {

    75         List<String> t = new ArrayList<>(List.of("B", "C", "D", "F", "I", "J", "Ljava/lang/Object;", "S", "Z"));

    76         int l = t.size();

    77         for (int i = 0; i < l; i++) {

    78             t.add("[" + t.get(i));

    79         }

    80 

    81         return t.stream()

    82                 .map(e -> new Object[]{e}).toArray(Object[][]::new);

    83     }

    84 

    85     @Test(dataProvider = "validTypesProvider")

    86     public void testValidTypes(String type) throws Exception {

    87         MethodHandle mh = InstructionHelper.ldcDynamicConstant(

    88                 L, "name", type,

    89                 "bsm", BSM_TYPE,

    90                 S -> {

    91                 });

    92     }

    93 }