src/test/examplesJava17/string/StringBuilderWithAppendOutOfBoundsTest.java

// Copyright (c) 2024, 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 string;

import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.ToolHelper;
import com.android.tools.r8.utils.StringUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class StringBuilderWithAppendOutOfBoundsTest extends TestBase {

  private static final String EXPECTED_OUTPUT =
      StringUtils.lines("class java.lang.IndexOutOfBoundsException");

  @Parameter(0)
  public TestParameters parameters;

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

  @Test
  public void testD8() throws Exception {
    testForRuntime(parameters)
        .addInnerClassesAndStrippedOuter(getClass())
        .run(parameters.getRuntime(), Main.class)
        .assertSuccessWithOutput(EXPECTED_OUTPUT);
  }

  @Test
  public void testR8() throws Exception {
    testForR8(parameters.getBackend())
        .addInnerClassesAndStrippedOuter(getClass())
        .addKeepMainRule(Main.class)
        .addLibraryFiles(ToolHelper.getAndroidJar(35))
        .setMinApi(parameters)
        .run(parameters.getRuntime(), Main.class)
        .assertSuccessWithOutput(EXPECTED_OUTPUT);
  }

  static class Main {

    public static void main(String[] strArr) {
      String text = "sss";
      int l = 7;

      StringBuilder sb = new StringBuilder();
      try {
        sb.append(text, 0, l);
        System.out.println("not out of bounds");
      } catch (Exception e) {
        System.out.println(e.getClass());
      }
    }
  }
}