1 /*
  2  * Copyright (c) 2023, 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 8304487
 27  * @summary Compiler Implementation for Primitive types in patterns, instanceof, and switch (Preview)
 28  * @enablePreview
 29  * @library /tools/lib /tools/javac/lib
 30  * @modules
 31  *      jdk.compiler/com.sun.tools.javac.api
 32  *      jdk.compiler/com.sun.tools.javac.file
 33  *      jdk.compiler/com.sun.tools.javac.main
 34  *      jdk.compiler/com.sun.tools.javac.util
 35  * @build toolbox.ToolBox toolbox.JavacTask
 36  * @build combo.ComboTestHelper
 37  * @compile PrimitiveInstanceOfComboTest.java
 38  * @run main PrimitiveInstanceOfComboTest
 39  */
 40 
 41 import combo.ComboInstance;
 42 import combo.ComboParameter;
 43 import combo.ComboTask;
 44 import combo.ComboTestHelper;
 45 import toolbox.ToolBox;
 46 
 47 import javax.tools.Diagnostic;
 48 import javax.tools.JavaFileObject;
 49 import java.util.List;
 50 
 51 public class PrimitiveInstanceOfComboTest extends ComboInstance<PrimitiveInstanceOfComboTest> {
 52     private static final String JAVA_VERSION = System.getProperty("java.specification.version");
 53 
 54     protected ToolBox tb;
 55 
 56     PrimitiveInstanceOfComboTest() {
 57         super();
 58         tb = new ToolBox();
 59     }
 60 
 61     public static void main(String... args) throws Exception {
 62         new ComboTestHelper<PrimitiveInstanceOfComboTest>()
 63                 .withDimension("TYPE1", (x, type1) -> x.type1 = type1, Type.values())
 64                 .withDimension("TYPE2", (x, type2) -> x.type2 = type2, Type.values())
 65                 .withFailMode(ComboTestHelper.FailMode.FAIL_FAST)
 66                 .run(PrimitiveInstanceOfComboTest::new);
 67     }
 68 
 69     private Type type1;
 70     private Type type2;
 71 
 72     private static final String test1 =
 73             """
 74             public class Test {
 75                 public static void doTest(#{TYPE1} in) {
 76                     var r = (#{TYPE2}) in;
 77                 }
 78             }
 79             """;
 80 
 81     private static final String test2 =
 82             """
 83             public class Test {
 84                 public static void doTest(#{TYPE1} in) {
 85                     var r = in instanceof #{TYPE2};
 86                 }
 87             }
 88             """;
 89 
 90     // potential not-exhaustive errors are expected and filtered out in `doWork`
 91     private static final String test3 =
 92             """
 93             public class Test {
 94                 public static void doTest(#{TYPE1} in) {
 95                     switch(in) {
 96                        case #{TYPE2} x -> {}
 97                     }
 98                 }
 99             }
100             """;
101 
102     @Override
103     protected void doWork() throws Throwable {
104         ComboTask task1 = newCompilationTask()
105                 .withSourceFromTemplate(test1.replace("#{TYPE1}", type1.code).replace("#{TYPE2}", type2.code))
106                 .withOption("--enable-preview")
107                 .withOption("-source").withOption(JAVA_VERSION);
108 
109         ComboTask task2 = newCompilationTask()
110                 .withSourceFromTemplate(test2.replace("#{TYPE1}", type1.code).replace("#{TYPE2}", type2.code))
111                 .withOption("--enable-preview")
112                 .withOption("-source").withOption(JAVA_VERSION);
113 
114         ComboTask task3 = newCompilationTask()
115                 .withSourceFromTemplate(test3.replace("#{TYPE1}", type1.code).replace("#{TYPE2}", type2.code))
116                 .withOption("--enable-preview")
117                 .withOption("-source").withOption(JAVA_VERSION);
118 
119         task1.generate(result1 -> {
120             task2.generate(result2 -> {
121                 task3.generate(result3 -> {
122                     List<Diagnostic<? extends JavaFileObject>> list1 = result1.diagnosticsForKind(Diagnostic.Kind.ERROR);
123                     List<Diagnostic<? extends JavaFileObject>> list2 = result2.diagnosticsForKind(Diagnostic.Kind.ERROR);
124                     List<Diagnostic<? extends JavaFileObject>> list3 = result3.diagnosticsForKind(Diagnostic.Kind.ERROR).stream().filter(e -> !e.getCode().equals("compiler.err.not.exhaustive.statement")).toList();
125                     if (!(list1.size() == list2.size() && list3.size() == list2.size())) {
126                         throw new AssertionError("Unexpected result: " +
127                                 "\n task1: " + result1.hasErrors() + ", info: " + result1.compilationInfo() +
128                                 "\n task2: " + result2.hasErrors() + ", info: " + result2.compilationInfo() +
129                                 "\n task3: " + result3.hasErrors() + ", info: " + result3.compilationInfo()
130                         );
131                     }
132                 });
133             });
134         });
135     }
136 
137     public enum Type implements ComboParameter {
138         BYTE("byte"),
139         SHORT("short"),
140         CHAR("char"),
141         INT("int"),
142         LONG("long"),
143         FLOAT("float"),
144         DOUBLE("double"),
145         BOOLEAN("boolean"),
146 
147         BYTE_r("Byte"),
148         SHORT_r("Short"),
149         CHAR_r("Character"),
150         INTEGER_r("Integer"),
151         LONG_r("Long"),
152         FLOAT_r("Float"),
153         DOUBLE_r("Double"),
154         BOOLEAN_r("Boolean");
155 
156         private final String code;
157 
158         Type(String code) {
159             this.code = code;
160         }
161 
162         @Override
163         public String expand(String optParameter) {
164             throw new UnsupportedOperationException("Not supported.");
165         }
166     }
167 }