jdk8-mips64-public/langtools: test/tools/javac/lambda/mostSpecific/StructuralMostSpecificTest.java@01c9d4161882 (annotated)

test/tools/javac/lambda/mostSpecific/StructuralMostSpecificTest.java@01c9d4161882 (annotated)

test/tools/javac/lambda/mostSpecific/StructuralMostSpecificTest.java

Sat, 17 Nov 2012 19:01:03 +0000

author: mcimadamore
date: Sat, 17 Nov 2012 19:01:03 +0000
changeset 1415: 01c9d4161882
child 1482: 954541f13717
permissions: -rw-r--r--

8003280: Add lambda tests
Summary: Turn on lambda expression, method reference and default method support
Reviewed-by: jjg

 /*
  * Copyright (c) 2012, 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 8003280
  * @summary Add lambda tests
  *  Automatic test for checking correctness of structural most specific test routine
  * @run main/timeout=360 StructuralMostSpecificTest
  */
 import com.sun.source.util.JavacTask;
 import com.sun.tools.javac.api.ClientCodeWrapper;
 import com.sun.tools.javac.util.JCDiagnostic;
 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 StructuralMostSpecificTest {
     static int checkCount = 0;
     enum RetTypeKind {
         SHORT("short"),
         INT("int"),
         OBJECT("Object"),
         INTEGER("Integer"),
         VOID("void"),
         J_L_VOID("Void");
         String retTypeStr;
         RetTypeKind(String retTypeStr) {
             this.retTypeStr = retTypeStr;
         }
         boolean moreSpecificThan(RetTypeKind rk) {
             return moreSpecificThan[this.ordinal()][rk.ordinal()];
         }
         static boolean[][] moreSpecificThan = {
                 //              SHORT |  INT  | OBJECT | INTEGER | VOID  | J_L_VOID
                 /* SHORT */   { true  , true  , true   , false   , false , false },
                 /* INT */     { false , true  , true   , true    , false , false },
                 /* OBJECT */  { false , false , true   , false   , false , false },
                 /* INTEGER */ { false , false , true   , true    , false , false },
                 /* VOID */    { false , false , false  , false   , true  , true  },
                 /* J_L_VOID */{ false , false , true   , false   , false , true  } };
     }
     enum ArgTypeKind {
         SHORT("short"),
         INT("int"),
         BOOLEAN("boolean"),
         OBJECT("Object"),
         INTEGER("Integer"),
         DOUBLE("Double");
         String argTypeStr;
         ArgTypeKind(String typeStr) {
             this.argTypeStr = typeStr;
         }
     }
     enum ExceptionKind {
         NONE(""),
         EXCEPTION("throws Exception"),
         SQL_EXCEPTION("throws java.sql.SQLException"),
         IO_EXCEPTION("throws java.io.IOException");
         String exceptionStr;
         ExceptionKind(String exceptionStr) {
             this.exceptionStr = exceptionStr;
         }
     }
     enum LambdaReturnKind {
         VOID("return;"),
         SHORT("return (short)0;"),
         INT("return 0;"),
         INTEGER("return (Integer)null"),
         NULL("return null;");
         String retStr;
         LambdaReturnKind(String retStr) {
             this.retStr = retStr;
         }
         boolean compatibleWith(RetTypeKind rk) {
             return compatibleWith[rk.ordinal()][ordinal()];
         }
         static boolean[][] compatibleWith = {
                 //              VOID  | SHORT | INT     | INTEGER | NULL
                 /* SHORT */   { false , true  , false   , false   , false },
                 /* INT */     { false , true  , true    , true    , false },
                 /* OBJECT */  { false , true  , true    , true    , true  },
                 /* INTEGER */ { false , false , true    , true    , true  },
                 /* VOID */    { true  , false , false   , false   , false },
                 /* J_L_VOID */{ false , false , false   , false   , true  } };
         boolean needsConversion(RetTypeKind rk) {
             return needsConversion[rk.ordinal()][ordinal()];
         }
         static boolean[][] needsConversion = {
                 //              VOID  | SHORT | INT     | INTEGER | NULL
                 /* SHORT */   { false , false , false   , false   , false },
                 /* INT */     { false , false , false   , true    , false },
                 /* OBJECT */  { false , true  , true    , false   , false },
                 /* INTEGER */ { false , false , true    , false   , false },
                 /* VOID */    { false , false , false   , false   , false },
                 /* J_L_VOID */{ true  , false , false   , false   , false } };
     }
     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 (LambdaReturnKind lrk : LambdaReturnKind.values()) {
             for (RetTypeKind rk1 : RetTypeKind.values()) {
                 for (RetTypeKind rk2 : RetTypeKind.values()) {
                     for (ExceptionKind ek1 : ExceptionKind.values()) {
                         for (ExceptionKind ek2 : ExceptionKind.values()) {
                             for (ArgTypeKind ak11 : ArgTypeKind.values()) {
                                 for (ArgTypeKind ak12 : ArgTypeKind.values()) {
                                     new StructuralMostSpecificTest(lrk, rk1, rk2, ek1, ek2, ak11, ak12).run(comp, fm);
                                 }
                             }
                         }
                     }
                 }
             }
         }
         System.out.println("Total check executed: " + checkCount);
     }
     LambdaReturnKind lrk;
     RetTypeKind rt1, rt2;
     ArgTypeKind ak1, ak2;
     ExceptionKind ek1, ek2;
     JavaSource source;
     DiagnosticChecker diagChecker;
     StructuralMostSpecificTest(LambdaReturnKind lrk, RetTypeKind rt1, RetTypeKind rt2,
             ExceptionKind ek1, ExceptionKind ek2, ArgTypeKind ak1, ArgTypeKind ak2) {
         this.lrk = lrk;
         this.rt1 = rt1;
         this.rt2 = rt2;
         this.ek1 = ek1;
         this.ek2 = ek2;
         this.ak1 = ak1;
         this.ak2 = ak2;
         this.source = new JavaSource();
         this.diagChecker = new DiagnosticChecker();
     }
     class JavaSource extends SimpleJavaFileObject {
         String template = "interface SAM1 {\n" +
                           "   #R1 m(#A1 a1) #E1;\n" +
                           "}\n" +
                           "interface SAM2 {\n" +
                           "   #R2 m(#A2 a1) #E2;\n" +
                           "}\n" +
                           "class Test {\n" +
                           "   void m(SAM1 s) { }\n" +
                           "   void m(SAM2 s) { }\n" +
                           "   { m(x->{ #LR }); }\n" +
                           "}\n";
         String source;
         public JavaSource() {
             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
             source = template.replaceAll("#LR", lrk.retStr)
                     .replaceAll("#R1", rt1.retTypeStr)
                     .replaceAll("#R2", rt2.retTypeStr)
                     .replaceAll("#A1", ak1.argTypeStr)
                     .replaceAll("#A2", ak2.argTypeStr)
                     .replaceAll("#E1", ek1.exceptionStr)
                     .replaceAll("#E2", ek2.exceptionStr);
         }
         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return source;
         }
     }
     void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
         JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker,
                 Arrays.asList("-XDverboseResolution=all,-predef,-internal,-object-init"),
                 null, Arrays.asList(source));
         try {
             ct.analyze();
         } catch (Throwable ex) {
             throw new AssertionError("Error thron when analyzing the following source:\n" + source.getCharContent(true));
         }
         check();
     }
     void check() {
         checkCount++;
         if (!lrk.compatibleWith(rt1) || !lrk.compatibleWith(rt2))
             return;
         if (lrk.needsConversion(rt1) != lrk.needsConversion(rt2))
             return;
         boolean m1MoreSpecific = moreSpecific(rt1, rt2, ek1, ek2, ak1, ak2);
         boolean m2MoreSpecific = moreSpecific(rt2, rt1, ek2, ek1, ak2, ak1);
         boolean ambiguous = (m1MoreSpecific == m2MoreSpecific);
         if (ambiguous != diagChecker.ambiguityFound) {
             throw new Error("invalid diagnostics for source:\n" +
                 source.getCharContent(true) +
                 "\nAmbiguity found: " + diagChecker.ambiguityFound +
                 "\nm1 more specific: " + m1MoreSpecific +
                 "\nm2 more specific: " + m2MoreSpecific +
                 "\nexpected ambiguity: " + ambiguous);
         }
         if (!ambiguous) {
             String sigToCheck = m1MoreSpecific ? "m(SAM1)" : "m(SAM2)";
             if (!sigToCheck.equals(diagChecker.mostSpecificSig)) {
                 throw new Error("invalid most specific method selected:\n" +
                 source.getCharContent(true) +
                 "\nMost specific found: " + diagChecker.mostSpecificSig +
                 "\nm1 more specific: " + m1MoreSpecific +
                 "\nm2 more specific: " + m2MoreSpecific);
             }
         }
     }
     boolean moreSpecific(RetTypeKind rk1, RetTypeKind rk2, ExceptionKind ek1, ExceptionKind ek2,
             ArgTypeKind ak1, ArgTypeKind ak2) {
         if (!rk1.moreSpecificThan(rk2))
             return false;
         if (ak1 != ak2)
             return false;
         return true;
     }
     static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
         boolean ambiguityFound;
         String mostSpecificSig;
         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
             try {
                 if (diagnostic.getKind() == Diagnostic.Kind.ERROR &&
                         diagnostic.getCode().equals("compiler.err.ref.ambiguous")) {
                     ambiguityFound = true;
                 } else if (diagnostic.getKind() == Diagnostic.Kind.NOTE &&
                         diagnostic.getCode().equals("compiler.note.verbose.resolve.multi")) {
                     ClientCodeWrapper.DiagnosticSourceUnwrapper dsu =
                             (ClientCodeWrapper.DiagnosticSourceUnwrapper)diagnostic;
                     JCDiagnostic.MultilineDiagnostic mdiag = (JCDiagnostic.MultilineDiagnostic)dsu.d;
                     int mostSpecificIndex = (Integer)mdiag.getArgs()[2];
                     mostSpecificSig = ((JCDiagnostic)mdiag.getSubdiagnostics().get(mostSpecificIndex)).getArgs()[1].toString();
                 }
             } catch (RuntimeException t) {
                 t.printStackTrace();
                 throw t;
             }
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/lambda/mostSpecific/StructuralMostSpecificTest.java@01c9d4161882 (annotated)

test/tools/javac/lambda/mostSpecific/StructuralMostSpecificTest.java