82 lines
3.7 KiB
Java
82 lines
3.7 KiB
Java
/*
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* Copyright (c) 2006, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8222378
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* @summary Test that ProcessingEnvironment.isPreviewEnabled works properly
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* @library /tools/javac/lib
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* @modules java.compiler
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* @build JavacTestingAbstractProcessor
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* @compile TestPreviewEnabled.java
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* @compile -processor TestPreviewEnabled -proc:only -source ${jdk.version} -AExpectedPreview=false TestSourceVersion.java
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* @compile -processor TestPreviewEnabled -proc:only -source ${jdk.version} -AExpectedPreview=true --enable-preview TestSourceVersion.java
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*/
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import java.util.Locale;
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import java.util.Map;
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import java.util.Set;
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import javax.lang.model.SourceVersion;
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import javax.lang.model.element.TypeElement;
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import javax.annotation.processing.*;
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import javax.lang.model.util.*;
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/**
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* This processor checks that ProcessingEnvironment.isPreviewEnabled
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* is consistent with the compiler options.
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*/
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@SupportedOptions("ExpectedPreview")
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public class TestPreviewEnabled extends JavacTestingAbstractProcessor {
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public boolean process(Set<? extends TypeElement> annotations,
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RoundEnvironment roundEnvironment) {
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if (!roundEnvironment.processingOver()) {
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boolean expectedPreview =
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Boolean.valueOf(processingEnv.getOptions().get("ExpectedPreview"));
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boolean actualPreview = processingEnv.isPreviewEnabled();
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System.out.println("Expected PreviewEnabled: " + expectedPreview +
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"\n actual PreviewEnabled: " + actualPreview);
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if (expectedPreview != actualPreview)
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throw new RuntimeException();
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if (expectedPreview) {
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// Create a ProcessingEnvironment that uses the
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// default implemention of isPreviewEnabled.
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ProcessingEnvironment testEnv = new ProcessingEnvironment() {
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@Override public Elements getElementUtils() {return null;}
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@Override public Filer getFiler() {return null;}
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@Override public Locale getLocale() {return null;}
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@Override public Messager getMessager() {return null;}
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@Override public Map<String,String> getOptions() {return null;}
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@Override public SourceVersion getSourceVersion() {return null;}
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@Override public Types getTypeUtils() {return null;}
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};
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if (testEnv.isPreviewEnabled()) {
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throw new RuntimeException("Bad true return value from default " +
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"ProcessingEnvironment.isPreviewEnabled.");
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}
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}
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}
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return true;
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}
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}
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