jdk8-mips64-public/langtools: test/tools/javac/cast/intersection/IntersectionTypeParserTest.java@998b10c43157 (annotated)

test/tools/javac/cast/intersection/IntersectionTypeParserTest.java@998b10c43157 (annotated)

test/tools/javac/cast/intersection/IntersectionTypeParserTest.java

Tue, 24 Dec 2013 09:17:37 -0800

author: ksrini
date: Tue, 24 Dec 2013 09:17:37 -0800
changeset 2227: 998b10c43157
parent 1511: c7c41a044e7c
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

8029230: Update copyright year to match last edit in jdk8 langtools repository for 2013
Reviewed-by: ksrini
Contributed-by: steve.sides@oracle.com

 /*
  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @bug 8002099
  * @summary Add support for intersection types in cast expression
  */
 import com.sun.source.util.JavacTask;
 import java.net.URI;
 import java.util.Arrays;
 import javax.tools.Diagnostic;
 import javax.tools.JavaCompiler;
 import javax.tools.JavaFileObject;
 import javax.tools.SimpleJavaFileObject;
 import javax.tools.StandardJavaFileManager;
 import javax.tools.ToolProvider;
 public class IntersectionTypeParserTest {
     static int checkCount = 0;
     enum TypeKind {
         SIMPLE("A"),
         GENERIC("A<X>"),
         WILDCARD("A<? super X, ? extends Y>");
         String typeStr;
         TypeKind(String typeStr) {
             this.typeStr = typeStr;
         }
     }
     enum ArrayKind {
         NONE(""),
         SINGLE("[]"),
         DOUBLE("[][]");
         String arrStr;
         ArrayKind(String arrStr) {
             this.arrStr = arrStr;
         }
     }
     static class Type {
         TypeKind tk;
         ArrayKind ak;
         Type(TypeKind tk, ArrayKind ak) {
             this.tk = tk;
             this.ak = ak;
         }
         String asString() {
             return tk.typeStr + ak.arrStr;
         }
     }
     enum CastKind {
         ONE("(#T0)", 1),
         TWO("(#T0 & T1)", 2),
         THREE("(#T0 & #T1 & #T2)", 3);
         String castTemplate;
         int nBounds;
         CastKind(String castTemplate, int nBounds) {
             this.castTemplate = castTemplate;
             this.nBounds = nBounds;
         }
         String asString(Type... types) {
             String res = castTemplate;
             for (int i = 0; i < nBounds ; i++) {
                 res = res.replaceAll(String.format("#T%d", i), types[i].asString());
             }
             return res;
         }
     }
     public static void main(String... args) throws Exception {
         //create default shared JavaCompiler - reused across multiple compilations
         JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
         StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
         for (CastKind ck : CastKind.values()) {
             for (TypeKind t1 : TypeKind.values()) {
                 for (ArrayKind ak1 : ArrayKind.values()) {
                     Type typ1 = new Type(t1, ak1);
                     if (ck.nBounds == 1) {
                         new IntersectionTypeParserTest(ck, typ1).run(comp, fm);
                         continue;
                     }
                     for (TypeKind t2 : TypeKind.values()) {
                         for (ArrayKind ak2 : ArrayKind.values()) {
                             Type typ2 = new Type(t2, ak2);
                             if (ck.nBounds == 2) {
                                 new IntersectionTypeParserTest(ck, typ1, typ2).run(comp, fm);
                                 continue;
                             }
                             for (TypeKind t3 : TypeKind.values()) {
                                 for (ArrayKind ak3 : ArrayKind.values()) {
                                     Type typ3 = new Type(t3, ak3);
                                     new IntersectionTypeParserTest(ck, typ1, typ2, typ3).run(comp, fm);
                                 }
                             }
                         }
                     }
                 }
             }
         }
         System.out.println("Total check executed: " + checkCount);
     }
     CastKind ck;
     Type[] types;
     JavaSource source;
     DiagnosticChecker diagChecker;
     IntersectionTypeParserTest(CastKind ck, Type... types) {
         this.ck = ck;
         this.types = types;
         this.source = new JavaSource();
         this.diagChecker = new DiagnosticChecker();
     }
     class JavaSource extends SimpleJavaFileObject {
         String bodyTemplate = "class Test {\n" +
                               "   void test() {\n" +
                               "      Object o = #Cnull;\n" +
                               "   } }";
         String source = "";
         public JavaSource() {
             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
             source += bodyTemplate.replaceAll("#C", ck.asString(types));
         }
         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return source;
         }
     }
     void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
         checkCount++;
         JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker,
                 null, null, Arrays.asList(source));
         ct.parse();
         if (diagChecker.errorFound) {
             throw new Error("Unexpected parser error for source:\n" +
                 source.getCharContent(true));
         }
     }
     static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
         boolean errorFound;
         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
             if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
                 errorFound = true;
             }
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/cast/intersection/IntersectionTypeParserTest.java@998b10c43157 (annotated)

test/tools/javac/cast/intersection/IntersectionTypeParserTest.java