Refactor C++ frontend tests

Summary: @​public
Remove some of the duplicated code, move .dot files to new locations

Reviewed By: @dulmarod

Differential Revision: D2521709

fb-gh-sync-id: 0cc333d

infer/tests/frontend/cpp/CastsTest.java

@@ -9,20 +9,14 @@
 
 package frontend.cpp;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static utils.matchers.DotFilesEqual.dotFileEqualTo;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
 import java.io.IOException;
 
 import utils.DebuggableTemporaryFolder;
 import utils.InferException;
-import utils.InferRunner;
+import utils.ClangFrontendUtils;
 
 public class CastsTest {
 
@@ -32,20 +26,8 @@ public class CastsTest {
   @Test
   public void whenCaptureRunCommaThenDotFilesAreTheSame()
       throws InterruptedException, IOException, InferException {
-    String literal_src =
+    String src =
         "infer/tests/codetoanalyze/cpp/frontend/types/casts.cpp";
-
-    String literal_dotty =
-        "infer/tests/codetoanalyze/cpp/frontend/types/casts.dot";
-
-    ImmutableList<String> inferCmd =
-        InferRunner.createCPPInferCommandFrontend(
-            folder,
-            literal_src);
-    File newDotFile = InferRunner.runInferFrontend(inferCmd);
-    assertThat(
-        "In the capture of " + literal_src +
-            " the dotty files should be the same.",
-        newDotFile, dotFileEqualTo(literal_dotty));
+    ClangFrontendUtils.createAndCompareCppDotFiles(folder, src);
   }
 }

infer/tests/frontend/cpp/ClassTest.java

@@ -9,20 +9,14 @@
 
 package frontend.cpp;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static utils.matchers.DotFilesEqual.dotFileEqualTo;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
 import java.io.IOException;
 
 import utils.DebuggableTemporaryFolder;
 import utils.InferException;
-import utils.InferRunner;
+import utils.ClangFrontendUtils;
 
 public class ClassTest {
 
@@ -32,20 +26,8 @@ public class ClassTest {
   @Test
   public void whenCaptureRunCommaThenDotFilesAreTheSame()
       throws InterruptedException, IOException, InferException {
-    String literal_src =
+    String src =
         "infer/tests/codetoanalyze/cpp/frontend/types/struct.cpp";
-
-    String literal_dotty =
-        "infer/tests/codetoanalyze/cpp/frontend/types/struct.dot";
-
-    ImmutableList<String> inferCmd =
-        InferRunner.createCPPInferCommandFrontend(
-            folder,
-            literal_src);
-    File newDotFile = InferRunner.runInferFrontend(inferCmd);
-    assertThat(
-        "In the capture of " + literal_src +
-            " the dotty files should be the same.",
-        newDotFile, dotFileEqualTo(literal_dotty));
+    ClangFrontendUtils.createAndCompareCppDotFiles(folder, src);
   }
 }

infer/tests/frontend/cpp/FunctionsTest.java

@@ -9,20 +9,14 @@
 
 package frontend.cpp;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static utils.matchers.DotFilesEqual.dotFileEqualTo;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
 import java.io.IOException;
 
 import utils.DebuggableTemporaryFolder;
 import utils.InferException;
-import utils.InferRunner;
+import utils.ClangFrontendUtils;
 
 public class FunctionsTest {
 
@@ -32,20 +26,8 @@ public class FunctionsTest {
   @Test
   public void whenCaptureRunCommaThenDotFilesAreTheSame()
       throws InterruptedException, IOException, InferException {
-    String literal_src =
+    String src =
         "infer/tests/codetoanalyze/cpp/frontend/types/functions.cpp";
-
-    String literal_dotty =
-        "infer/tests/codetoanalyze/cpp/frontend/types/functions.dot";
-
-    ImmutableList<String> inferCmd =
-        InferRunner.createCPPInferCommandFrontend(
-            folder,
-            literal_src);
-    File newDotFile = InferRunner.runInferFrontend(inferCmd);
-    assertThat(
-        "In the capture of " + literal_src +
-            " the dotty files should be the same.",
-        newDotFile, dotFileEqualTo(literal_dotty));
+    ClangFrontendUtils.createAndCompareCppDotFiles(folder, src);
   }
 }

infer/tests/frontend/cpp/InheritanceTest.java

@@ -9,20 +9,14 @@
 
 package frontend.cpp;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static utils.matchers.DotFilesEqual.dotFileEqualTo;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
 import java.io.IOException;
 
 import utils.DebuggableTemporaryFolder;
 import utils.InferException;
-import utils.InferRunner;
+import utils.ClangFrontendUtils;
 
 public class InheritanceTest {
 
@@ -34,18 +28,6 @@ public class InheritanceTest {
       throws InterruptedException, IOException, InferException {
     String src =
         "infer/tests/codetoanalyze/cpp/frontend/types/inheritance.cpp";
-
-    String dotty =
-        "infer/tests/codetoanalyze/cpp/frontend/types/inheritance.dot";
-
-    ImmutableList<String> inferCmd =
-        InferRunner.createCPPInferCommandFrontend(
-            folder,
-            src);
-    File newDotFile = InferRunner.runInferFrontend(inferCmd);
-    assertThat(
-        "In the capture of " + src +
-            " the dotty files should be the same.",
-        newDotFile, dotFileEqualTo(dotty));
+    ClangFrontendUtils.createAndCompareCppDotFiles(folder, src);
   }
 }

infer/tests/frontend/cpp/LiteralsTest.java

@@ -9,20 +9,14 @@
 
 package frontend.cpp;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static utils.matchers.DotFilesEqual.dotFileEqualTo;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
 import java.io.IOException;
 
 import utils.DebuggableTemporaryFolder;
 import utils.InferException;
-import utils.InferRunner;
+import utils.ClangFrontendUtils;
 
 public class LiteralsTest {
 
@@ -32,20 +26,8 @@ public class LiteralsTest {
   @Test
   public void whenCaptureRunCommaThenDotFilesAreTheSame()
       throws InterruptedException, IOException, InferException {
-    String literal_src =
+    String src =
         "infer/tests/codetoanalyze/cpp/frontend/literals/nullptr.cpp";
-
-    String literal_dotty =
-        "infer/tests/codetoanalyze/cpp/frontend/literals/nullptr.dot";
-
-    ImmutableList<String> inferCmd =
-        InferRunner.createCPPInferCommandFrontend(
-            folder,
-            literal_src);
-    File newDotFile = InferRunner.runInferFrontend(inferCmd);
-    assertThat(
-        "In the capture of " + literal_src +
-            " the dotty files should be the same.",
-        newDotFile, dotFileEqualTo(literal_dotty));
+    ClangFrontendUtils.createAndCompareCppDotFiles(folder, src);
   }
 }

infer/tests/frontend/cpp/NamespaceTest.java

@@ -9,20 +9,14 @@
 
 package frontend.cpp;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static utils.matchers.DotFilesEqual.dotFileEqualTo;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
 import java.io.IOException;
 
 import utils.DebuggableTemporaryFolder;
 import utils.InferException;
-import utils.InferRunner;
+import utils.ClangFrontendUtils;
 
 public class NamespaceTest {
 
@@ -32,20 +26,8 @@ public class NamespaceTest {
   @Test
   public void whenCaptureRunCommaThenDotFilesAreTheSame()
       throws InterruptedException, IOException, InferException {
-    String switch_src =
+    String src =
         "infer/tests/codetoanalyze/cpp/frontend/namespace/namespace.cpp";
-
-    String switch_dotty =
-        "infer/tests/codetoanalyze/cpp/frontend/namespace/namespace.dot";
-
-    ImmutableList<String> inferCmd =
-        InferRunner.createCPPInferCommandFrontend(
-            folder,
-            switch_src);
-    File newDotFile = InferRunner.runInferFrontend(inferCmd);
-    assertThat(
-        "In the capture of " + switch_src +
-            " the dotty files should be the same.",
-        newDotFile, dotFileEqualTo(switch_dotty));
+    ClangFrontendUtils.createAndCompareCppDotFiles(folder, src);
   }
 }

infer/tests/frontend/cpp/NewTest.java

@@ -9,20 +9,14 @@
 
 package frontend.cpp;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static utils.matchers.DotFilesEqual.dotFileEqualTo;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
 import java.io.IOException;
 
 import utils.DebuggableTemporaryFolder;
 import utils.InferException;
-import utils.InferRunner;
+import utils.ClangFrontendUtils;
 
 public class NewTest {
 
@@ -34,18 +28,6 @@ public class NewTest {
       throws InterruptedException, IOException, InferException {
     String src =
         "infer/tests/codetoanalyze/cpp/frontend/builtin/new.cpp";
-
-    String dotty =
-        "infer/tests/codetoanalyze/cpp/frontend/builtin/new.dot";
-
-    ImmutableList<String> inferCmd =
-        InferRunner.createCPPInferCommandFrontend(
-            folder,
-            src);
-    File newDotFile = InferRunner.runInferFrontend(inferCmd);
-    assertThat(
-        "In the capture of " + src +
-            " the dotty files should be the same.",
-        newDotFile, dotFileEqualTo(dotty));
+    ClangFrontendUtils.createAndCompareCppDotFiles(folder, src);
   }
 }

infer/tests/frontend/cpp/SelfParameterTest.java

@@ -9,20 +9,14 @@
 
 package frontend.cpp;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static utils.matchers.DotFilesEqual.dotFileEqualTo;
-
-import com.google.common.collect.ImmutableList;
-
 import org.junit.Rule;
 import org.junit.Test;
 
-import java.io.File;
 import java.io.IOException;
 
 import utils.DebuggableTemporaryFolder;
 import utils.InferException;
-import utils.InferRunner;
+import utils.ClangFrontendUtils;
 
 public class SelfParameterTest {
 
@@ -34,18 +28,6 @@ public class SelfParameterTest {
       throws InterruptedException, IOException, InferException {
     String src =
         "infer/tests/codetoanalyze/cpp/frontend/keywords/self_parameter.cpp";
-
-    String dotty =
-        "infer/tests/codetoanalyze/cpp/frontend/keywords/self_parameter.dot";
-
-    ImmutableList<String> inferCmd =
-        InferRunner.createCPPInferCommandFrontend(
-            folder,
-            src);
-    File newDotFile = InferRunner.runInferFrontend(inferCmd);
-    assertThat(
-        "In the capture of " + src +
-            " the dotty files should be the same.",
-        newDotFile, dotFileEqualTo(dotty));
+    ClangFrontendUtils.createAndCompareCppDotFiles(folder, src);
   }
 }