infer_clone/infer/tests/endtoend/objcpp/componentkit/MutableLocalVariableTest.java

/*
 * Copyright (c) 2016 - present Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

package endtoend.objcpp.componentkit;

import static org.hamcrest.MatcherAssert.assertThat;
import static utils.matchers.ResultContainsLineNumbers.containsLines;
import static utils.matchers.ResultContainsErrorInMethod.contains;

import com.google.common.collect.ImmutableList;

import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;

import java.io.IOException;

import utils.DebuggableTemporaryFolder;
import utils.InferException;
import utils.InferResults;
import utils.InferRunner;

public class MutableLocalVariableTest {

  public static final String FILE =
      "infer/tests/codetoanalyze/objcpp/componentkit/Test.mm";
  private static ImmutableList<String> inferCmd;
  public static final String MUTABLE_LOCAL_VARIABLE_IN_COMPONENT_FILE =
      "MUTABLE_LOCAL_VARIABLE_IN_COMPONENT_FILE";

  @ClassRule
  public static DebuggableTemporaryFolder folder = new DebuggableTemporaryFolder();

  @BeforeClass
  public static void runInfer() throws InterruptedException, IOException {
    inferCmd = InferRunner.createObjCPPLintersCommand(
        folder,
        FILE);
  }

  @Test
  public void MLVsInComponentFile()
      throws InterruptedException, IOException, InferException {
    InferResults inferResults = InferRunner.runInferObjC(inferCmd);
    assertThat(
        "Results should contain " + MUTABLE_LOCAL_VARIABLE_IN_COMPONENT_FILE,
        inferResults,
        containsLines(new int[]{58, 69, 74, 76, 80, 85}));
  }

  @Test
  public void MLVsInNewWithString()
      throws InterruptedException, IOException, InferException {
    InferResults inferResults = InferRunner.runInferObjC(inferCmd);
    assertThat(
        "Results should contain " + MUTABLE_LOCAL_VARIABLE_IN_COMPONENT_FILE,
        inferResults,
        contains(MUTABLE_LOCAL_VARIABLE_IN_COMPONENT_FILE, FILE, "newWithString:"));
  }
}