IsSameTypeWildcardTest.java revision 3549:8150eeaf8c24
1/* 2 * Copyright (c) 2016, 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 8161277 27 * @summary javax.lang.model.util.Types.isSameType(...) returns true on wildcards 28 * @library /tools/lib/types 29 * @modules jdk.compiler/com.sun.tools.javac.api 30 * jdk.compiler/com.sun.tools.javac.main 31 * jdk.compiler/com.sun.tools.javac.code 32 * jdk.compiler/com.sun.tools.javac.comp 33 * jdk.compiler/com.sun.tools.javac.tree 34 * jdk.compiler/com.sun.tools.javac.util 35 * jdk.compiler/com.sun.tools.javac.file 36 * jdk.compiler/com.sun.tools.javac.model 37 * @build TypeHarness 38 * @run main IsSameTypeWildcardTest 39 */ 40 41import java.util.ArrayList; 42import java.util.List; 43 44import com.sun.tools.javac.code.Type; 45import com.sun.tools.javac.util.Assert; 46import com.sun.tools.javac.model.JavacTypes; 47 48public class IsSameTypeWildcardTest extends TypeHarness { 49 StrToTypeFactory strToTypeFactory; 50 JavacTypes javacTypes; 51 52 public static void main(String... args) throws Exception { 53 new IsSameTypeWildcardTest().runTest(); 54 } 55 56 public IsSameTypeWildcardTest() { 57 javacTypes = JavacTypes.instance(context); 58 } 59 60 void runTest() { 61 List<String> imports = new ArrayList<>(); 62 imports.add("java.util.*"); 63 strToTypeFactory = new StrToTypeFactory(null, imports, null); 64 65 Type listOfWildcard = strToTypeFactory.getType("List<?>"); 66 com.sun.tools.javac.util.List<Type> arguments = listOfWildcard.getTypeArguments(); 67 Assert.check(!javacTypes.isSameType(arguments.head, arguments.head), 68 "if any argument is a wildcard then result must be false"); 69 } 70} 71