Generate correct stub names for inner function pointers of structs (#612

)

* Replace "::" with "_" in stub name

* Delete getStubSymbolicVarName duplicate

server/src/printers/Printer.cpp

@@ -393,9 +393,9 @@ namespace printer {
         auto methodCopy = method;
         methodCopy.name = method.name;
 
-        std::string stubSymbolicVarName = getStubSymbolicVarName(nameForStub);
+        std::string stubSymbolicVarName = StubsUtils::getStubSymbolicVarName(nameForStub);
         if (!types::TypesHandler::omitMakeSymbolic(method.returnType)) {
-            stubSymbolicVarName = getStubSymbolicVarName(methodName + "_" + nameForStub);
+            stubSymbolicVarName = StubsUtils::getStubSymbolicVarName(methodName + "_" + nameForStub);
             strDeclareArrayVar(types::Type::createArray(method.returnType), stubSymbolicVarName,
                                types::PointerUsage::PARAMETER);
         }
@@ -447,10 +447,6 @@ namespace printer {
         return ss;
     }
 
-    std::string Printer::getStubSymbolicVarName(const std::string &methodName) {
-        return methodName + PrinterUtils::KLEE_SYMBOLIC_SUFFIX;
-    }
-
     Printer::Stream Printer::strKleeMakeSymbolic(const std::string &varName, bool needAmpersand, SRef pseudoName) {
         auto pointer = (needAmpersand ? "&" : "") + varName;
         auto size = "sizeof(" + varName + ")";

server/src/printers/Printer.h

@@ -182,8 +182,6 @@ namespace printer {
                                 const std::string &nameForStub,
                                 bool makeStatic = false);
 
-        static std::string getStubSymbolicVarName(const std::string &methodName);
-
         Stream strKleeMakeSymbolic(SRef varName, bool needAmpersand, SRef pseudoName);
 
         static inline std::string getTypedefFunctionPointer(const std::string &parentFunctionName,

server/src/printers/StubsPrinter.cpp

@@ -53,7 +53,7 @@ Stubs printer::StubsPrinter::genStubFile(const tests::Tests &tests,
         }
 
         if (!typesHandler.omitMakeSymbolic(methodCopy.returnType)) {
-            std::string stubSymbolicVarName = getStubSymbolicVarName(method.name);
+            std::string stubSymbolicVarName = StubsUtils::getStubSymbolicVarName(method.name);
             strDeclareArrayVar(types::Type::createArray(method.returnType), stubSymbolicVarName,
                                types::PointerUsage::PARAMETER);
         }

server/src/printers/StubsPrinter.h

@@ -5,6 +5,7 @@
 #include "ProjectContext.h"
 #include "stubs/Stubs.h"
 #include "types/Types.h"
+#include "utils/StubsUtils.h"
 
 namespace printer {
     class StubsPrinter : Printer {

server/src/printers/TestsPrinter.cpp

@@ -194,7 +194,7 @@ void TestsPrinter::genCode(Tests::MethodDescription &methodDescription,
 
 static std::string getTestName(const Tests::MethodDescription &methodDescription, int testNum) {
     std::string renamedMethodDescription = KleeUtils::getRenamedOperator(methodDescription.name);
-    StringUtils::replaceAll(renamedMethodDescription, ':', '_');
+    StringUtils::replaceColon(renamedMethodDescription);
     std::string testBaseName = methodDescription.isClassMethod()
                                    ? StringUtils::stringFormat("%s_%s",
                                                                methodDescription.classObj->type.typeName(),

server/src/types/TypesResolver.cpp

@@ -75,7 +75,7 @@ std::string TypesResolver::getFullname(const clang::TagDecl *TD, const clang::Qu
             if (!fullname[parentID].empty()) {
                 fullname[id] = fullname[parentID] + "::" + fullname[id];
                 if (typeDeclNeeded) {
-                    StringUtils::replaceAll(fullname[id], "::", "_");
+                    StringUtils::replaceColon(fullname[id]);
                 }
             }
         }

server/src/utils/KleeUtils.cpp

@@ -84,7 +84,7 @@ namespace KleeUtils {
                                    bool needToMangle,
                                    bool isWrapped) {
         std::string methodNewName = methodName;
-        StringUtils::replaceAll(methodNewName, ':', '_');
+        StringUtils::replaceColon(methodNewName);
         methodNewName = getRenamedOperator(methodNewName);
         if (isWrapped) {
             methodNewName += PrinterUtils::WRAPPED_SUFFIX;

server/src/utils/StringUtils.cpp

@@ -84,6 +84,10 @@ namespace StringUtils {
         }
     }
 
+    void replaceColon(std::string &str) {
+        replaceAll(str, "::", "_");
+    }
+
     bool isPrintable(int code) {
         if (std::numeric_limits<char>::is_signed && code < 0) {
             code += 256;

server/src/utils/StringUtils.h

@@ -53,6 +53,8 @@ namespace StringUtils {
 
     void replaceAll(std::string &str, const std::string &from, const std::string &to);
 
+    void replaceColon(std::string &str);
+
     /**
      * Returns true if char literal can be printed to .cpp file as is, false otherwise.
      * @param value - given character code

server/src/utils/StubsUtils.cpp

@@ -16,7 +16,9 @@ namespace StubsUtils {
     }
 
     std::string getStubSymbolicVarName(const std::string &methodName) {
-        return methodName + PrinterUtils::KLEE_SYMBOLIC_SUFFIX;
+        std::string stubName = methodName + PrinterUtils::KLEE_SYMBOLIC_SUFFIX;
+        StringUtils::replaceColon(stubName);
+        return stubName;
     }
 
     std::string getFunctionPointerAsStructFieldStubName(const std::string &structName,
@@ -28,6 +30,7 @@ namespace StubsUtils {
         } else {
             stubName = stubName.substr(1);
         }
+        StringUtils::replaceColon(stubName);
         return stubName;
     }
 }

server/test/framework/Server_Tests.cpp

@@ -1986,6 +1986,44 @@ namespace {
         testUtils::checkStatusesCount(resultMap, tests, expectedStatusCountMap);
     }
 
+    TEST_F(Server_Test, Run_Tests_For_Complex_Structs) {
+        fs::path complex_structs_c = getTestFilePath("complex_structs.c");
+        auto request = testUtils::createFileRequest(projectName, suitePath, buildDirRelativePath,
+                                                    srcPaths, complex_structs_c,
+                                                    GrpcUtils::UTBOT_AUTO_TARGET_PATH, true, false);
+        auto testGen = FileTestGen(*request, writer.get(), TESTMODE);
+        Status status = Server::TestsGenServiceImpl::ProcessBaseTestRequest(testGen, writer.get());
+        ASSERT_TRUE(status.ok()) << status.error_message();
+        EXPECT_GE(testUtils::getNumberOfTests(testGen.tests), 12);
+
+        fs::path testsDirPath = getTestFilePath("tests");
+
+        fs::path complex_structs_test_cpp = Paths::sourcePathToTestPath(
+            utbot::ProjectContext(projectName, suitePath, testsDirPath, buildDirRelativePath, clientProjectPath),
+            complex_structs_c);
+        auto testFilter = GrpcUtils::createTestFilterForFile(complex_structs_test_cpp);
+        auto runRequest = testUtils::createCoverageAndResultsRequest(
+            projectName, suitePath, testsDirPath, buildDirRelativePath, std::move(testFilter));
+
+        static auto coverageAndResultsWriter =
+            std::make_unique<ServerCoverageAndResultsWriter>(nullptr);
+        CoverageAndResultsGenerator coverageGenerator{ runRequest.get(),
+                                                       coverageAndResultsWriter.get() };
+        utbot::SettingsContext settingsContext{
+            true, false, 45, 0, false, false, ErrorMode::FAILING, false
+        };
+        coverageGenerator.generate(false, settingsContext);
+
+        EXPECT_FALSE(coverageGenerator.hasExceptions());
+        ASSERT_TRUE(coverageGenerator.getCoverageMap().empty());
+
+        auto resultsMap = coverageGenerator.getTestResultMap();
+        auto tests = coverageGenerator.getTestsToLaunch();
+
+        StatusCountMap expectedStatusCountMap{ { testsgen::TEST_PASSED, 12 } };
+        testUtils::checkStatuses(resultsMap, tests);
+    }
+
     TEST_F(Server_Test, Run_Tests_For_Input_Output_C) {
         fs::path input_output_c = getTestFilePath("input_output.c");
         auto request = testUtils::createFileRequest(projectName, suitePath, buildDirRelativePath,

server/test/suites/server/complex_structs.c

@@ -41,3 +41,7 @@ struct One alphabet(int a) {
     struct One res = {1, {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L'}};
     return res;
 }
+
+int st_access_s(struct StructWithFunctionPointer st) {
+    return st.s;
+}

server/test/suites/server/complex_structs.h

@@ -6,6 +6,13 @@ struct StructWithArrays {
     int a[10];
 };
 
+struct StructWithFunctionPointer {
+    int s;
+    struct FunctionPointer {
+        void *(*plain) (int);
+    } fptr;
+};
+
 struct One {
     int a;
     char str[12];
@@ -23,8 +30,10 @@ struct Three {
 
 int struct_has_alphabet(struct One st);
 
-
 char arrays_in_inner_structs(struct Three st);
 
 struct One alphabet(int a);
+
+int st_access_s(struct StructWithFunctionPointer st);
+
 #endif // SIMPLE_TEST_PROJECT_COMPLEX_STRUCTS_H