XtendAnnotationsFormatterTest.java

/**
 * Copyright (c) 2012, 2024 itemis AG (http://www.itemis.eu) and others.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 * 
 * SPDX-License-Identifier: EPL-2.0
 */
package org.eclipse.xtend.core.tests.formatting;

import java.util.function.Consumer;
import org.eclipse.xtend.core.formatting2.XtendFormatterPreferenceKeys;
import org.eclipse.xtend.core.tests.RuntimeInjectorProvider;
import org.eclipse.xtend2.lib.StringConcatenation;
import org.eclipse.xtext.preferences.MapBasedPreferenceValues;
import org.eclipse.xtext.testing.InjectWith;
import org.eclipse.xtext.testing.XtextRunner;
import org.eclipse.xtext.testing.formatter.AbstractFormatterTest;
import org.eclipse.xtext.xbase.formatting2.XbaseFormatterPreferenceKeys;
import org.eclipse.xtext.xbase.lib.Procedures.Procedure1;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(XtextRunner.class)
@InjectWith(RuntimeInjectorProvider.class)
@SuppressWarnings("all")
public class XtendAnnotationsFormatterTest extends AbstractFormatterTest {
  private CharSequence toFile(final CharSequence ann) {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo");
    _builder.newLine();
    _builder.newLine();
    _builder.append("import java.lang.annotation.*");
    _builder.newLine();
    _builder.append("import com.google.common.annotations.*");
    _builder.newLine();
    _builder.newLine();
    _builder.append(ann);
    _builder.newLineIfNotEmpty();
    _builder.append("class bar {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    return _builder;
  }

  private void assertFormattedAnnotation(final CharSequence expectation, final CharSequence actual) {
    this.assertFormattedTo(this.toFile(actual), this.toFile(expectation));
  }

  @Test
  public void formatClassSingleAnnotationSL() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo @Deprecated class bar { }");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("package foo");
    _builder_1.newLine();
    _builder_1.newLine();
    _builder_1.append("@Deprecated class bar {");
    _builder_1.newLine();
    _builder_1.append("}");
    _builder_1.newLine();
    final Consumer<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterClassAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    this.assertFormattedTo(_builder, _builder_1, _function);
  }

  @Test
  public void formatClassSingleAnnotationML1() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo");
    _builder.newLine();
    _builder.newLine();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("class bar {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    final Consumer<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterClassAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    this.assertUnformattedEqualsFormatted(_builder, _function);
  }

  @Test
  public void formatClassSingleAnnotationML11() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo");
    _builder.newLine();
    _builder.newLine();
    _builder.append("@SuppressWarnings(\"restriction\")");
    _builder.newLine();
    _builder.append("public class Foo {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertUnformattedEqualsFormatted(_builder);
  }

  @Test
  public void formatClassSingleAnnotationML2() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo @Deprecated class bar { }");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("package foo");
    _builder_1.newLine();
    _builder_1.newLine();
    _builder_1.append("@Deprecated");
    _builder_1.newLine();
    _builder_1.append("class bar {");
    _builder_1.newLine();
    _builder_1.append("}");
    _builder_1.newLine();
    final Consumer<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterClassAnnotations, Boolean.valueOf(true));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    this.assertFormattedTo(_builder, _builder_1, _function);
  }

  @Test
  public void formatClassTwoAnnotationsSL() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo");
    _builder.newLine();
    _builder.newLine();
    _builder.append("@Override @Deprecated class bar {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertUnformattedEqualsFormatted(_builder);
  }

  @Test
  public void formatClassTwoAnnotationsML1() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo");
    _builder.newLine();
    _builder.newLine();
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("class bar {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertUnformattedEqualsFormatted(_builder);
  }

  @Test
  public void formatClassTwoAnnotationsML2() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo");
    _builder.newLine();
    _builder.newLine();
    _builder.append("@Override @Deprecated");
    _builder.newLine();
    _builder.append("class bar {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertUnformattedEqualsFormatted(_builder);
  }

  @Test
  public void formatConstructorTwoAnnotations1() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterConstructorAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("new() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatConstructorTwoAnnotations2() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterConstructorAnnotations, Boolean.valueOf(true));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("new() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatConstructorTwoAnnotationsSL1() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterConstructorAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(false));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override @Deprecated new() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@Override ");
    _builder_1.newLine();
    _builder_1.append("@Deprecated ");
    _builder_1.newLine();
    _builder_1.append("new() {");
    _builder_1.newLine();
    _builder_1.append("}");
    _builder_1.newLine();
    this.assertFormattedMember(_function, _builder.toString(), _builder_1);
  }

  @Test
  public void formatConstructorTwoAnnotationsSL2() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterConstructorAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override @Deprecated new() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatConstructorSingleAnnotations() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("new() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertUnformattedEqualsFormatted(this.toMember(_builder));
  }

  @Test
  public void formatConstructorParameterTwoAnnotations() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("new(@Override @Deprecated String p) {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("new(  @Override  @Deprecated  String  p  ) {  }");
    _builder_1.newLine();
    this.assertFormattedMember(_builder.toString(), _builder_1);
  }

  @Test
  public void formatConstructorParameterSingleAnnotations() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("new(@Deprecated String p) {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("new(  @Deprecated  String   p  ) {  }");
    _builder_1.newLine();
    this.assertFormattedMember(_builder.toString(), _builder_1);
  }

  @Test
  public void formatFieldTwoAnnotations1() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterFieldAnnotations, Boolean.valueOf(true));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("int value");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatFieldTwoAnnotations2() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterFieldAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(false));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override @Deprecated int value");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatFieldSingleAnnotations1() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterFieldAnnotations, Boolean.valueOf(true));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("int value");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatFieldSingleAnnotations2() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterFieldAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(false));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override int value");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatMethodTwoAnnotations1() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterMethodAnnotations, Boolean.valueOf(true));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("def foo() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatMethodTwoAnnotations2() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterMethodAnnotations, Boolean.valueOf(true));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(false));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("def foo() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatMethodTwoAnnotations3() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterMethodAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("def foo() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    this.assertFormattedMember(_function, _builder.toString());
  }

  @Test
  public void formatMethodTwoAnnotations4() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XtendFormatterPreferenceKeys.keepOneLineMethods, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterMethodAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(false));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Override @Deprecated def foo() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@Override  ");
    _builder_1.newLine();
    _builder_1.append("@Deprecated  ");
    _builder_1.newLine();
    _builder_1.append("def foo() {  }");
    _builder_1.newLine();
    this.assertFormattedMember(_function, _builder.toString(), _builder_1);
  }

  @Test
  public void formatMethodSingleAnnotations() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("def foo() {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@Deprecated  ");
    _builder_1.newLine();
    _builder_1.append("def foo() {  }");
    _builder_1.newLine();
    this.assertFormattedMember(_builder.toString(), _builder_1);
  }

  @Test
  public void formatMethodParameterTwoAnnotations1() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XtendFormatterPreferenceKeys.keepOneLineMethods, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterParameterAnnotations, Boolean.valueOf(false));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("def foo(@Override @Deprecated String p) {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("def foo(  @Override  @Deprecated  String  p  ) {  }");
    _builder_1.newLine();
    this.assertFormattedMember(_function, _builder.toString(), _builder_1);
  }

  @Ignore
  @Test
  public void formatMethodParameterTwoAnnotations2() {
    final Procedure1<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XbaseFormatterPreferenceKeys.newLineAfterParameterAnnotations, Boolean.valueOf(true));
      it.<Boolean>put(XbaseFormatterPreferenceKeys.preserveNewLines, Boolean.valueOf(true));
    };
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("def foo(");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("@Override");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("@Deprecated");
    _builder.newLine();
    _builder.append("\t");
    _builder.append("String p) {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("def foo(  @Override  @Deprecated  String  p  ) {  }");
    _builder_1.newLine();
    this.assertFormattedMember(_function, _builder.toString(), _builder_1);
  }

  @Test
  public void formatMethodParameterSingleAnnotations() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("def foo(@Deprecated String p) {");
    _builder.newLine();
    _builder.append("}");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("def foo(  @Deprecated  String   p  ) {  }");
    _builder_1.newLine();
    this.assertFormattedMember(_builder.toString(), _builder_1);
  }

  @Test
  public void formatAnnotationSingeValue() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@SuppressWarnings(\"all\")");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@  SuppressWarnings  (  \"all\"  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  @Test
  public void formatAnnotationListValue3() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@SuppressWarnings(#[])");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@SuppressWarnings(#  [  ]  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  @Test
  public void formatAnnotationListValue4() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@SuppressWarnings(#[\"all\"])");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@SuppressWarnings(  #  [  \"all\"  ]  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  @Test
  public void formatAnnotationListValue5() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@SuppressWarnings(#[\"all\", \"access\"])");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@SuppressWarnings( #   [  \"all\"  ,   \"access\"  ]  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  @Test
  public void formatAnnotationAssignedSingeValue() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@SuppressWarnings(value=\"all\")");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@SuppressWarnings(  value  =  \"all\"  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  @Test
  public void formatAnnotationAssignedListValue_1() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@SuppressWarnings(value=#[\"all\", \"access\"])");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@SuppressWarnings(  value  =#  [  \"all\"  ,   \"access\"  ]  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  @Test
  public void formatAnnotationMultiAssignments() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@GwtCompatible(serializable=true, emulated=true)");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@GwtCompatible(  serializable  =  true,  emulated  =  true  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  @Test
  public void formatAnnotationEnumLiteral() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@Retention(RetentionPolicy::CLASS)");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@Retention(  RetentionPolicy::  CLASS  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  @Ignore("https://bugs.eclipse.org/bugs/show_bug.cgi?id=393349")
  @Test
  public void formatAnnotationStringConcatenation() {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("@SuppressWarnings((\"all\" + \"more\"))");
    _builder.newLine();
    StringConcatenation _builder_1 = new StringConcatenation();
    _builder_1.append("@  SuppressWarnings  (  (  \"all\"  +  \"more\"  )  )");
    _builder_1.newLine();
    this.assertFormattedAnnotation(_builder, _builder_1);
  }

  private void assertFormattedMember(final String expectation, final CharSequence toBeFormatted) {
    final Consumer<MapBasedPreferenceValues> _function = (MapBasedPreferenceValues it) -> {
      it.<Boolean>put(XtendFormatterPreferenceKeys.keepOneLineMethods, Boolean.valueOf(false));
    };
    this.assertFormattedTo(this.toMember(toBeFormatted), this.toMember(expectation), _function);
  }

  private void assertFormattedMember(final Procedure1<? super MapBasedPreferenceValues> cfg, final String expectation, final CharSequence toBeFormatted) {
    this.assertFormattedTo(this.toMember(toBeFormatted), this.toMember(expectation), new Consumer<MapBasedPreferenceValues>() {
        public void accept(MapBasedPreferenceValues t) {
          cfg.apply(t);
        }
    });
  }

  private void assertFormattedMember(final Procedure1<? super MapBasedPreferenceValues> cfg, final String expectation) {
    this.assertUnformattedEqualsFormatted(this.toMember(expectation), new Consumer<MapBasedPreferenceValues>() {
        public void accept(MapBasedPreferenceValues t) {
          cfg.apply(t);
        }
    });
  }

  private CharSequence toMember(final CharSequence expression) {
    StringConcatenation _builder = new StringConcatenation();
    _builder.append("package foo");
    _builder.newLine();
    _builder.newLine();
    _builder.append("class bar {");
    _builder.newLine();
    _builder.append("\t");
    _builder.append(expression, "\t");
    _builder.newLineIfNotEmpty();
    _builder.append("}");
    _builder.newLine();
    return _builder;
  }
}