// Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.ir.optimize.templates;

import static org.junit.Assert.assertEquals;

import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.cfmethodgeneration.MethodGenerationBase;
import com.android.tools.r8.graph.DexType;
import com.android.tools.r8.utils.FileUtils;
import com.google.common.collect.ImmutableList;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class GenerateCfUtilityMethodsForCodeOptimizations extends MethodGenerationBase {

  @Parameters(name = "{0}")
  public static TestParametersCollection data() {
    return getTestParameters().withNoneRuntime().build();
  }

  public GenerateCfUtilityMethodsForCodeOptimizations(TestParameters parameters) {
    parameters.assertNoneRuntime();
  }

  @Override
  protected DexType getGeneratedType() {
    return factory.createType(
        "Lcom/android/tools/r8/ir/optimize/templates/CfUtilityMethodsForCodeOptimizations;");
  }

  @Override
  protected List<Class<?>> getMethodTemplateClasses() {
    return ImmutableList.of(CfUtilityMethodsForCodeOptimizationsTemplates.class);
  }

  @Override
  protected int getYear() {
    return 2020;
  }

  @Test
  public void test() throws Exception {
    ArrayList<Class<?>> sorted = new ArrayList<>(getMethodTemplateClasses());
    sorted.sort(Comparator.comparing(Class::getTypeName));
    assertEquals("Classes should be listed in sorted order", sorted, getMethodTemplateClasses());
    assertEquals(
        FileUtils.readTextFile(getGeneratedFile(), StandardCharsets.UTF_8), generateMethods());
  }

  public static void main(String[] args) throws Exception {
    new GenerateCfUtilityMethodsForCodeOptimizations(
            getTestParameters().withNoneRuntime().build().iterator().next())
        .generateMethodsAndWriteThemToFile();
  }
}