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 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 }