infer_clone/infer/tests/frontend/cpp/NestedOperatorsTest.java

67 lines
2.2 KiB

/*
* 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 frontend.cpp;
import org.junit.Rule;
import org.junit.Test;
import java.io.IOException;
import utils.DebuggableTemporaryFolder;
import utils.InferException;
import utils.ClangFrontendUtils;
/**
* Run C++ frontend on C code and compare it to .dot files produced by C frontend.
*/
public class NestedOperatorsTest {
String nestedOperatorsBasePath = "infer/tests/codetoanalyze/c/frontend/nestedoperators/";
@Rule
public DebuggableTemporaryFolder folder = new DebuggableTemporaryFolder();
void frontendTest(String fileRelative) throws InterruptedException, IOException, InferException {
ClangFrontendUtils.createAndCompareCppDotFiles(folder, nestedOperatorsBasePath + fileRelative);
}
@Test
public void whenCaptureRunEnumThenDotFilesAreTheSame()
throws InterruptedException, IOException, InferException {
frontendTest("nestedassignment.c");
}
@Test
public void whenCaptureRunUnionThenDotFilesAreTheSame()
throws InterruptedException, IOException, InferException {
// .dot file for cpp is different due to autogenerated constructors for union type
// otherwise cfgs should look the same for C and C++
frontendTest("union.cpp");
}
@Test
public void whenCaptureRunAssignInConditionThenDotFilesAreTheSame()
throws InterruptedException, IOException, InferException {
// .dot file for cpp is slightly different (but semantically equivalent).
// We need to have different dot file to compare against.
// assign_in_condition.cpp is in fact pointing to assign_in_condition.c
frontendTest("assign_in_condition.cpp");
}
@Test
public void whenCaptureRunAssignWithIncrementThenDotFilesAreTheSame()
throws InterruptedException, IOException, InferException {
// .dot file differs, but it's semantically equivalent to one produced by
// C compiler
frontendTest("assign_with_increment.cpp");
}
}