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/*
* Copyright (c) 2013 - 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.objc;
import static org.hamcrest.MatcherAssert.assertThat;
import static utils.matchers.ResultContainsErrorInMethod.contains;
import static utils.matchers.ResultContainsOnlyTheseErrors.containsOnly;
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 NullDerefObjCClassTest {
public static final String FRACTION_FILE =
"infer/tests/codetoanalyze/objc/errors/npe/Fraction.m";
private static ImmutableList<String> inferCmdFraction;
public static final String NULL_DEREFERENCE = "NULL_DEREFERENCE";
@ClassRule
public static DebuggableTemporaryFolder folderFraction =
new DebuggableTemporaryFolder();
@BeforeClass
public static void runInfer() throws InterruptedException, IOException {
inferCmdFraction = InferRunner.createObjCInferCommandWithMLBuckets(
folderFraction,
FRACTION_FILE,
"cf",
false);
}
@Test
public void whenInferRunsOnNull_deref_objc_classThenNpeIsFound()
throws InterruptedException, IOException, InferException {
InferResults inferResults = InferRunner.runInferC(inferCmdFraction);
assertThat(
"Results should contain null pointer dereference error",
inferResults,
contains(
NULL_DEREFERENCE,
FRACTION_FILE,
"test_virtual_call"
)
);
}
@Test
public void whenInferRunsOnNpeThenOnlyTheExpectedErrorsAreFound()
throws InterruptedException, IOException, InferException {
InferResults inferResults = InferRunner.runInferC(inferCmdFraction);
String[] expectedProcedures = {
"test_virtual_call"
};
assertThat(
"No unexpected errors should be found", inferResults,
containsOnly(
NULL_DEREFERENCE,
FRACTION_FILE,
expectedProcedures));
}
}