Merge branch 'master' of git@github.com:danmar/cppcheck

test/testautovariables.cpp

@@ -0,0 +1,91 @@
+/*
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam,
+ * Leandro Penz, Kimmo Varis, Vesa Pikki, Gianluca Scacco
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/
+ */
+
+
+#include "../src/tokenize.h"
+#include "../src/checkautovariables.h"
+#include "testsuite.h"
+
+#include <sstream>
+
+extern std::ostringstream errout;
+
+class TestAutoVariables : public TestFixture
+{
+public:
+    TestAutoVariables() : TestFixture("TestAutoVariables")
+    { }
+
+private:
+
+
+
+    void check(const char code[])
+    {
+        // Tokenize..
+        Tokenizer tokenizer;
+        std::istringstream istr(code);
+        tokenizer.tokenize(istr, "test.cpp");
+        tokenizer.simplifyTokenList();
+
+        // Assign variable ids
+        tokenizer.setVarId();
+
+        // Fill function list
+        tokenizer.fillFunctionList();
+
+        // Clear the error buffer..
+        errout.str("");
+
+        // Check for buffer overruns..
+        Settings settings;
+        settings._showAll = true;
+        CheckAutoVariables checkAutoVariables(&tokenizer, &settings, this);
+        checkAutoVariables.autoVariables();
+    }
+
+    void run()
+    {
+        TEST_CASE(testautovar);
+	TEST_CASE(testautovararray);
+    }
+
+
+
+    void testautovar()
+    {
+        check("void func1(int *res)\n"
+              "{\n"
+              "    int num=2;"
+              "res=&num;");
+        ASSERT_EQUALS(std::string("[test.cpp:3]: (error) Wrong assignement of an auto-variable to an effective parameter of a function\n"), errout.str());
+    }
+  void testautovararray()
+    {
+        check("void func1(int* arr[2])\n"
+              "{\n"
+              "    int num=2;"
+              "arr[0]=&num;");
+        ASSERT_EQUALS(std::string("[test.cpp:3]: (error) Wrong assignement of an auto-variable to an effective parameter of a function\n"), errout.str());
+    }
+};
+
+REGISTER_TEST(TestAutoVariables)
+
+