jdk8-mips64-public/langtools: test/tools/javac/lambdaShapes/org/openjdk/tests/separate/TestHarness.java@860f1d21763a (annotated)

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/TestHarness.java@860f1d21763a (annotated)

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/TestHarness.java

Thu, 24 Oct 2013 16:52:27 -0700

author: rfield
date: Thu, 24 Oct 2013 16:52:27 -0700
changeset 2170: 860f1d21763a
parent 1448: 7d34e91f66bb
child 2174: 62a67e0875ff
permissions: -rw-r--r--

8027220: DefaultMethodsTest: Change test to match spec
Reviewed-by: ksrini

 /*
  * 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.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * 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.
  */
 package org.openjdk.tests.separate;
 import org.testng.ITestResult;
 import org.testng.annotations.AfterMethod;
 import java.lang.reflect.InvocationTargetException;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import static org.openjdk.tests.separate.SourceModel.Class;
 import static org.openjdk.tests.separate.SourceModel.*;
 import static org.testng.Assert.*;
 public class TestHarness {
     /**
      * Creates a per-thread persistent compiler object to allow as much
      * sharing as possible, but still allows for parallel execution of tests.
      */
     protected ThreadLocal<Compiler> compilerLocal = new ThreadLocal<Compiler>(){
          protected synchronized Compiler initialValue() {
              return new Compiler();
          }
     };
     protected ThreadLocal<Boolean> verboseLocal = new ThreadLocal<Boolean>() {
          protected synchronized Boolean initialValue() {
              return Boolean.FALSE;
          }
     };
     protected boolean verbose;
     protected boolean canUseCompilerCache;
     public static final String stdMethodName = SourceModel.stdMethodName;
     private TestHarness() {
     }
     protected TestHarness(boolean verbose, boolean canUseCompilerCache) {
         this.verbose = verbose;
         this.canUseCompilerCache = canUseCompilerCache;
     }
     public void setTestVerbose() {
         verboseLocal.set(Boolean.TRUE);
     }
     @AfterMethod
     public void reset() {
         if (!this.verbose) {
             verboseLocal.set(Boolean.FALSE);
         }
     }
     public Compiler.Flags[] compilerFlags() {
         HashSet<Compiler.Flags> flags = new HashSet<>();
         if (verboseLocal.get() == Boolean.TRUE) {
             flags.add(Compiler.Flags.VERBOSE);
         }
         if (this.canUseCompilerCache) {
             flags.add(Compiler.Flags.USECACHE);
         }
         return flags.toArray(new Compiler.Flags[0]);
     }
     @AfterMethod
     public void printError(ITestResult result) {
         if (result.getStatus() == ITestResult.FAILURE) {
             String clsName = result.getTestClass().getName();
             clsName = clsName.substring(clsName.lastIndexOf(".") + 1);
             System.out.println("Test " + clsName + "." +
                                result.getName() + " FAILED");
         }
     }
     private static final ConcreteMethod stdCM = ConcreteMethod.std("-1");
     private static final AbstractMethod stdAM =
             new AbstractMethod("int", stdMethodName);
     /**
      * Returns a class which has a static method with the same name as
      * 'method', whose body creates an new instance of 'specimen' and invokes
      * 'method' upon it via an invokevirtual instruction with 'args' as
      * function call parameters.
      *
      * 'returns' is a dummy return value that need only match 'methods'
      * return type (it is only used in the dummy class when compiling IV).
      */
     private Class invokeVirtualHarness(
             Class specimen, ConcreteMethod method,
             String returns, String ... args) {
         Method cm = new ConcreteMethod(
             method.getReturnType(), method.getName(),
             "return " + returns + ";",  method.getElements());
         Class stub = new Class(specimen.getName(), cm);
         String params = toJoinedString(args, ", ");
         ConcreteMethod sm = new ConcreteMethod(
             method.getReturnType(), method.getName(),
             String.format("return (new %s()).%s(%s);",
                           specimen.getName(), method.getName(), params),
             new AccessFlag("public"), new AccessFlag("static"));
         Class iv = new Class("IV_" + specimen.getName(), sm);
         iv.addCompilationDependency(stub);
         iv.addCompilationDependency(cm);
         return iv;
     }
     /**
      * Returns a class which has a static method with the same name as
      * 'method', whose body creates an new instance of 'specimen', casts it
      * to 'iface' (including the type parameters)  and invokes
      * 'method' upon it via an invokeinterface instruction with 'args' as
      * function call parameters.
      */
     private Class invokeInterfaceHarness(Class specimen, Extends iface,
             AbstractMethod method, String ... args) {
         Interface istub = new Interface(
             iface.getType().getName(), iface.getType().getAccessFlags(),
             iface.getType().getParameters(),
             null, Arrays.asList((Method)method));
         Class cstub = new Class(specimen.getName());
         String params = toJoinedString(args, ", ");
         ConcreteMethod sm = new ConcreteMethod(
             "int", SourceModel.stdMethodName,
             String.format("return ((%s)(new %s())).%s(%s);", iface.toString(),
                 specimen.getName(), method.getName(), params),
             new AccessFlag("public"), new AccessFlag("static"));
         sm.suppressWarnings();
         Class ii = new Class("II_" + specimen.getName() + "_" +
             iface.getType().getName(), sm);
         ii.addCompilationDependency(istub);
         ii.addCompilationDependency(cstub);
         ii.addCompilationDependency(method);
         return ii;
     }
     /**
      * Uses 'loader' to load class 'clzz', and calls the static method
      * 'method'.  If the return value does not equal 'value' (or if an
      * exception is thrown), then a test failure is indicated.
      *
      * If 'value' is null, then no equality check is performed -- the assertion
      * fails only if an exception is thrown.
      */
     protected void assertStaticCallEquals(
             ClassLoader loader, Class clzz, String method, Object value) {
         java.lang.Class<?> cls = null;
         try {
             cls = java.lang.Class.forName(clzz.getName(), true, loader);
         } catch (ClassNotFoundException e) {}
         assertNotNull(cls);
         java.lang.reflect.Method m = null;
         try {
             m = cls.getMethod(method);
         } catch (NoSuchMethodException e) {}
         assertNotNull(m);
         try {
             Object res = m.invoke(null);
             assertNotNull(res);
             if (value != null) {
                 assertEquals(res, value);
             }
         } catch (InvocationTargetException | IllegalAccessException e) {
             fail("Unexpected exception thrown: " + e.getCause());
         }
     }
     /**
      * Creates a class which calls target::method(args) via invokevirtual,
      * compiles and loads both the new class and 'target', and then invokes
      * the method.  If the returned value does not match 'value' then a
      * test failure is indicated.
      */
     public void assertInvokeVirtualEquals(
             Object value, Class target, ConcreteMethod method,
             String returns, String ... args) {
         Compiler compiler = compilerLocal.get();
         compiler.setFlags(compilerFlags());
         Class iv = invokeVirtualHarness(target, method, returns, args);
         ClassLoader loader = compiler.compile(iv, target);
         assertStaticCallEquals(loader, iv, method.getName(), value);
         compiler.cleanup();
     }
     /**
      * Convenience method for above, which assumes stdMethodName,
      * a return type of 'int', and no arguments.
      */
     public void assertInvokeVirtualEquals(int value, Class target) {
         assertInvokeVirtualEquals(
             new Integer(value), target, stdCM, "-1");
     }
     /**
      * Creates a class which calls target::method(args) via invokeinterface
      * through 'iface', compiles and loads both it and 'target', and
      * then invokes the method.  If the returned value does not match
      * 'value' then a test failure is indicated.
      */
     public void assertInvokeInterfaceEquals(Object value, Class target,
             Extends iface, AbstractMethod method, String ... args) {
         Compiler compiler = compilerLocal.get();
         compiler.setFlags(compilerFlags());
         Class ii = invokeInterfaceHarness(target, iface, method, args);
         ClassLoader loader = compiler.compile(ii, target);
         assertStaticCallEquals(loader, ii, method.getName(), value);
         compiler.cleanup();
     }
     /**
      * Convenience method for above, which assumes stdMethodName,
      * a return type of 'int', and no arguments.
      */
     public void assertInvokeInterfaceEquals(
             int value, Class target, Interface iface) {
         Compiler compiler = compilerLocal.get();
         compiler.setFlags(compilerFlags());
         assertInvokeInterfaceEquals(
             new Integer(value), target, new Extends(iface), stdAM);
         compiler.cleanup();
     }
     /**
      * Creates a class which calls target::method(args) via invokevirtual,
      * compiles and loads both the new class and 'target', and then invokes
      * the method.  If an exception of type 'exceptionType' is not thrown,
      * then a test failure is indicated.
      */
     public void assertThrows(java.lang.Class<?> exceptionType, Class target,
             ConcreteMethod method, String returns, String ... args) {
         Compiler compiler = compilerLocal.get();
         compiler.setFlags(compilerFlags());
         Class iv = invokeVirtualHarness(target, method, returns, args);
         ClassLoader loader = compiler.compile(iv, target);
         java.lang.Class<?> cls = null;
         try {
             cls = java.lang.Class.forName(iv.getName(), true, loader);
         } catch (ClassNotFoundException e) {}
         assertNotNull(cls);
         java.lang.reflect.Method m = null;
         try {
             m = cls.getMethod(method.getName());
         } catch (NoSuchMethodException e) {}
         assertNotNull(m);
         try {
             m.invoke(null);
             fail("Exception should have been thrown");
         } catch (InvocationTargetException | IllegalAccessException e) {
             if (verboseLocal.get() == Boolean.TRUE) {
                 System.out.println(e.getCause());
             }
             assertTrue(exceptionType.isAssignableFrom(e.getCause().getClass()));
         }
         compiler.cleanup();
     }
     /**
      * Convenience method for above, which assumes stdMethodName,
      * a return type of 'int', and no arguments.
      */
     public void assertThrows(java.lang.Class<?> exceptionType, Class target) {
         assertThrows(exceptionType, target, stdCM, "-1");
     }
     private static <T> String toJoinedString(T[] a, String... p) {
         return toJoinedString(Arrays.asList(a), p);
     }
     private static <T> String toJoinedString(List<T> list, String... p) {
         StringBuilder sb = new StringBuilder();
         String sep = "";
         String init = "";
         String end = "";
         String empty = null;
         switch (p.length) {
             case 4:
                 empty = p[3];
             /*fall-through*/
             case 3:
                 end = p[2];
             /*fall-through*/
             case 2:
                 init = p[1];
             /*fall-through*/
             case 1:
                 sep = p[0];
                 break;
         }
         if (empty != null && list.isEmpty()) {
             return empty;
         } else {
             sb.append(init);
             for (T x : list) {
                 if (sb.length() != init.length()) {
                     sb.append(sep);
                 }
                 sb.append(x.toString());
             }
             sb.append(end);
             return sb.toString();
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/TestHarness.java@860f1d21763a (annotated)

test/tools/javac/lambdaShapes/org/openjdk/tests/separate/TestHarness.java