Improved speed of testrunner: Avoid repeated loading of the same library

lib/settings.h

@@ -165,6 +165,13 @@ public:
      */
     std::string addEnabled(const std::string &str);
 
+    /**
+     * @brief Disables all severities, except from error.
+     */
+    void clearEnabled() {
+        _enabled.clear();
+    }
+
     enum Language {
         None, C, CPP
     };

test/testio.cpp

@@ -29,8 +29,11 @@ public:
     }
 
 private:
+    Settings settings;
 
     void run() {
+        LOAD_LIB_2(settings.library, "std.cfg");
+
         TEST_CASE(coutCerrMisusage);
 
         TEST_CASE(wrongMode_simple);
@@ -49,6 +52,8 @@ private:
         TEST_CASE(testPrintfArgument);
         TEST_CASE(testPosixPrintfScanfParameterPosition);  // #4900
 
+        LOAD_LIB_2(settings.library, "windows.cfg");
+
         TEST_CASE(testMicrosoftPrintfArgument); // ticket #4902
         TEST_CASE(testMicrosoftScanfArgument);
         TEST_CASE(testMicrosoftCStringFormatArguments); // ticket #4920
@@ -60,7 +65,7 @@ private:
         // Clear the error buffer..
         errout.str("");
 
-        Settings settings;
+        settings.clearEnabled();
         settings.addEnabled("warning");
         settings.addEnabled("style");
         if (portability)
@@ -68,8 +73,6 @@ private:
         settings.inconclusive = inconclusive;
         settings.platform(platform);
 
-        settings.library = _lib;
-
         // Tokenize..
         Tokenizer tokenizer(&settings, this);
         std::istringstream istr(code);
@@ -612,8 +615,6 @@ private:
 
 
     void testScanf1() {
-        LOAD_LIB("std.cfg");
-
         check("void foo() {\n"
               "    int a, b;\n"
               "    FILE *file = fopen(\"test\", \"r\");\n"
@@ -632,8 +633,6 @@ private:
     }
 
     void testScanf2() {
-        LOAD_LIB("std.cfg");
-
         check("void foo() {\n"
               "    scanf(\"%5s\", bar);\n" // Width specifier given
               "    scanf(\"%5[^~]\", bar);\n" // Width specifier given
@@ -660,8 +659,6 @@ private:
     }
 
     void testScanf4() { // ticket #2553
-        LOAD_LIB("std.cfg");
-
         check("void f()\n"
               "{\n"
               "  char str [8];\n"
@@ -674,8 +671,6 @@ private:
 
 
     void testScanfArgument() {
-        LOAD_LIB("std.cfg");
-
         check("void foo() {\n"
               "    scanf(\"%1d\", &foo);\n"
               "    sscanf(bar, \"%1d\", &foo);\n"
@@ -2276,7 +2271,6 @@ private:
     }
 
     void testPrintfArgument() {
-        LOAD_LIB("std.cfg");
         check("void foo() {\n"
               "    printf(\"%u\");\n"
               "    printf(\"%u%s\", 123);\n"
@@ -3108,8 +3102,6 @@ private:
     }
 
     void testPosixPrintfScanfParameterPosition() { // #4900  - No support for parameters in format strings
-        LOAD_LIB("std.cfg");
-
         check("void foo() {"
               "  int bar;"
               "  printf(\"%1$d\", 1);"
@@ -3134,9 +3126,6 @@ private:
 
 
     void testMicrosoftPrintfArgument() {
-        LOAD_LIB("std.cfg");
-        LOAD_LIB("windows.cfg");
-
         check("void foo() {\n"
               "    size_t s;\n"
               "    ptrdiff_t p;\n"
@@ -3226,9 +3215,6 @@ private:
     }
 
     void testMicrosoftScanfArgument() {
-        LOAD_LIB("std.cfg");
-        LOAD_LIB("windows.cfg");
-
         check("void foo() {\n"
               "    size_t s;\n"
               "    ptrdiff_t p;\n"
@@ -3333,9 +3319,6 @@ private:
     }
 
     void testMicrosoftSecurePrintfArgument() {
-        LOAD_LIB("std.cfg");
-        LOAD_LIB("windows.cfg");
-
         check("void foo() {\n"
               "    int i;\n"
               "    unsigned int u;\n"
@@ -3526,8 +3509,6 @@ private:
     }
 
     void testMicrosoftSecureScanfArgument() {
-        LOAD_LIB("windows.cfg");
-
         check("void foo() {\n"
               "    int i;\n"
               "    unsigned int u;\n"

test/testmemleak.cpp

@@ -126,6 +126,7 @@ public:
 
 private:
     Settings settings1;
+    Settings settings2;
 
     void check(const char code[], const Settings *settings = nullptr) {
         // Clear the error buffer..
@@ -150,6 +151,7 @@ private:
     void run() {
         LOAD_LIB_2(settings1.library, "std.cfg");
         LOAD_LIB_2(settings1.library, "gtk.cfg");
+        LOAD_LIB_2(settings2.library, "std.cfg");
 
         // Check that getcode works correctly..
         TEST_CASE(testgetcode);
@@ -367,20 +369,14 @@ private:
         TEST_CASE(posixcfg);
     }
 
-    void loadlib(Library& library) {
-        LOAD_LIB_2(library, "std.cfg");
-    }
-
     std::string getcode(const char code[], const char varname[], bool classfunc=false) {
         // Clear the error buffer..
         errout.str("");
 
-        Settings settings;
+        settings2.standards.posix = true;
-        settings.standards.posix = true;
-        loadlib(settings.library);
 
         // Tokenize..
-        Tokenizer tokenizer(&settings, this);
+        Tokenizer tokenizer(&settings2, this);
         std::istringstream istr(code);
         if (!tokenizer.tokenize(istr, "test.cpp"))
             return "";
@@ -389,7 +385,7 @@ private:
         const unsigned int varId(Token::findmatch(tokenizer.tokens(), varname)->varId());
 
         // getcode..
-        CheckMemoryLeakInFunction checkMemoryLeak(&tokenizer, &settings, nullptr);
+        CheckMemoryLeakInFunction checkMemoryLeak(&tokenizer, &settings2, nullptr);
         std::list<const Token *> callstack;
         callstack.push_back(0);
         CheckMemoryLeak::AllocType allocType, deallocType;