/*
 * Copyright 2024 The Error Prone Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.errorprone.bugpatterns;

import com.google.errorprone.CompilationTestHelper;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

@RunWith(JUnit4.class)
public final class ArrayRecordComponentTest {
  private final CompilationTestHelper testHelper =
      CompilationTestHelper.newInstance(ArrayRecordComponent.class, getClass());

  @Test
  public void positive_recordWithArrayComponents() {
    testHelper
        .addSourceLines(
            "Foo.java",
            "record Foo(",
            "    String string,",
            "    // BUG: Diagnostic contains: Record components should not be arrays",
            "    int[] array,",
            "    String otherString,",
            "    // BUG: Diagnostic contains: Record components should not be arrays",
            "    String[] otherArray) {}")
        .doTest();
  }

  @Test
  public void negative_recordWithNonArrayComponents() {
    testHelper
        .addSourceLines(
            "Foo.java",
            "record Foo(",
            "    String string,",
            "    java.util.List<String> list,",
            "    int integer) {}")
        .doTest();
  }

  @Test
  public void negative_recordWithStaticArrayField() {
    testHelper
        .addSourceLines(
            "Foo.java",
            "record Foo(String string) {",
            "  private static final int[] ints = {1, 2, 3};",
            "}")
        .doTest();
  }

  @Test
  public void negative_nonRecordWithArrayField() {
    testHelper
        .addSourceLines(
            "IntArrayHolder.java",
            "public class IntArrayHolder {",
            "  public final int[] ints;",
            "",
            "  public IntArrayHolder(int[] ints) {",
            "    this.ints = ints;",
            "  }",
            "}")
        .doTest();
  }
}
