Fix #12341 (If --premium=safety is used then go to "safety mode". do not override this in cppcheck.cfg) (danmar#5872)

Author: danmar

cli/cmdlineparser.cpp

@@ -890,6 +890,8 @@ CmdLineParser::Result CmdLineParser::parseFromArgs(int argc, const char* const a
 
             // Special Cppcheck Premium options
             else if (std::strncmp(argv[i], "--premium=", 10) == 0 && isCppcheckPremium()) {
+                if (std::strcmp(argv[i], "--premium=safety") == 0)
+                    mSettings.safety = true;
                 if (!mSettings.premiumArgs.empty())
                     mSettings.premiumArgs += " ";
                 const std::string p(argv[i] + 10);

lib/settings.cpp

@@ -125,7 +125,7 @@ std::string Settings::loadCppcheckCfg()
             const auto& v = it->second;
             if (!v.is<bool>())
                 return "'safety' is not a bool";
-            safety = v.get<bool>();
+            safety = safety || v.get<bool>();
         }
     }
 

test/testcmdlineparser.cpp

@@ -213,6 +213,7 @@ class TestCmdlineParser : public TestFixture {
         TEST_CASE(maxConfigsMissingCount);
         TEST_CASE(maxConfigsInvalid);
         TEST_CASE(maxConfigsTooSmall);
+        TEST_CASE(premiumSafety);
         TEST_CASE(reportProgress1);
         TEST_CASE(reportProgress2);
         TEST_CASE(reportProgress3);
@@ -1186,6 +1187,17 @@ class TestCmdlineParser : public TestFixture {
         ASSERT_EQUALS("cppcheck: error: argument to '--max-configs=' must be greater than 0.\n", logger->str());
     }
 
+    void premiumSafety() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--premium=safety", "file.cpp"};
+        settings->safety = false;
+        settings->cppcheckCfgProductName = "Cppcheck Premium 0.0.0";
+        ASSERT_EQUALS(CmdLineParser::Result::Success, parser->parseFromArgs(3, argv));
+        ASSERT_EQUALS(true, settings->safety);
+        settings->safety = false;
+        settings->cppcheckCfgProductName.clear();
+    }
+
     void reportProgress1() {
         REDIRECT;
         const char * const argv[] = {"cppcheck", "--report-progress", "file.cpp"};

test/testsettings.cpp

@@ -30,6 +30,7 @@ class TestSettings : public TestFixture {
     void run() override {
         TEST_CASE(simpleEnableGroup);
         TEST_CASE(loadCppcheckCfg);
+        TEST_CASE(loadCppcheckCfgSafety);
     }
 
     void simpleEnableGroup() const {
@@ -209,6 +210,34 @@ class TestSettings : public TestFixture {
 
         // TODO: test with FILESDIR
     }
+
+    void loadCppcheckCfgSafety() const
+    {
+        // Test the "safety" flag
+        {
+            Settings s;
+            s.safety = false;
+            ScopedFile file("cppcheck.cfg", "{}");
+            ASSERT_EQUALS("", s.loadCppcheckCfg());
+            ASSERT_EQUALS(false, s.safety);
+        }
+
+        {
+            Settings s;
+            s.safety = true;
+            ScopedFile file("cppcheck.cfg", "{\"safety\": false}");
+            ASSERT_EQUALS("", s.loadCppcheckCfg());
+            ASSERT_EQUALS(true, s.safety);
+        }
+
+        {
+            Settings s;
+            s.safety = false;
+            ScopedFile file("cppcheck.cfg", "{\"safety\": true}");
+            ASSERT_EQUALS("", s.loadCppcheckCfg());
+            ASSERT_EQUALS(true, s.safety);
+        }
+    }
 };
 
 REGISTER_TEST(TestSettings)