test/langtools/tools/javac/processing/model/element/TestModuleElementNames.java

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/*
 * @test
 * @bug 8163989
 * @summary Test basic workings of naming methods on ModuleElement
 * @library /tools/javac/lib
 * @modules java.compiler
 *          jdk.compiler
 * @build   JavacTestingAbstractProcessor TestModuleElementNames
 * @compile -processor TestModuleElementNames -proc:only TestModuleElementNames.java
 */

import java.util.Set;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import javax.lang.model.util.*;

/**
 * Test basic workings of names of ModuleElement.
 */
public class TestModuleElementNames extends JavacTestingAbstractProcessor {
    public boolean process(Set<? extends TypeElement> annotations,
                           RoundEnvironment roundEnv) {
        if (!roundEnv.processingOver()) {
            checkNames(eltUtils.getModuleElement(""),          "",          "",          true);
            checkNames(eltUtils.getModuleElement("java.base"), "base",      "java.base", false);
        }
        return true;
    }

    private void checkNames(ModuleElement mod, String expectedSimple, String expectedQual, boolean expectedUnnamed) {
        boolean unnamed = mod.isUnnamed();
        String simpleName    = mod.getSimpleName().toString();
        String qualifiedName = mod.getQualifiedName().toString();

        if (unnamed != expectedUnnamed) {
            throw new RuntimeException("Unnamed mismatch on " + qualifiedName);
        }

        if (!simpleName.equals(expectedSimple) ||
            !qualifiedName.equals(expectedQual)) {
            throw new RuntimeException("Unexpected name,\tqualitifed ``" + qualifiedName +
                                       "''\tsimmple ``" + simpleName + "''");
        }
    }
}