From a562430f3f3a93e26fb0696351d4dea8f2a7657c Mon Sep 17 00:00:00 2001
From: Reijo Tomperi <aggro80@users.sourceforge.net>
Date: Tue, 6 Apr 2010 22:13:23 +0300
Subject: [PATCH] Add a few test cases for CppCheck::parseFromArgs

---
 test/testcppcheck.cpp     | 39 +++++++++++++++++++++++++++++++++++++--
 test/testpreprocessor.cpp |  4 +++-
 test/testsuite.cpp        |  3 ++-
 3 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/test/testcppcheck.cpp b/test/testcppcheck.cpp
index 2c9a5c9d0..11e636f25 100644
--- a/test/testcppcheck.cpp
+++ b/test/testcppcheck.cpp
@@ -28,6 +28,7 @@
 #include <string>
 
 extern std::ostringstream errout;
+extern std::ostringstream output;
 
 class TestCppcheck : public TestFixture
 {
@@ -40,6 +41,7 @@ private:
     void check(const std::string &data)
     {
         errout.str("");
+        output.str("");
         CppCheck cppCheck(*this);
         cppCheck.addFile("file.cpp", data);
         cppCheck.check();
@@ -55,6 +57,39 @@ private:
         TEST_CASE(include);
         TEST_CASE(templateFormat);
         TEST_CASE(getErrorMessages);
+        TEST_CASE(parseArgs);
+    }
+
+    void argCheck(int argc, const char *argv[])
+    {
+        errout.str("");
+        output.str("");
+        CppCheck cppCheck(*this);
+        cppCheck.parseFromArgs(argc, argv);
+    }
+
+    void parseArgs()
+    {
+        {
+            const char *argv[] = {"cppcheck", "--help"};
+            argCheck(2, argv);
+            ASSERT_EQUALS("", errout.str());
+            ASSERT_EQUALS(true, output.str().find("Example usage") != std::string::npos);
+        }
+
+        {
+            const char *argv[] = {"cppcheck"};
+            argCheck(1, argv);
+            ASSERT_EQUALS("", errout.str());
+            ASSERT_EQUALS(true, output.str().find("Example usage") != std::string::npos);
+        }
+
+        {
+            const char *argv[] = {"cppcheck", "--version"};
+            argCheck(2, argv);
+            ASSERT_EQUALS("", errout.str());
+            ASSERT_EQUALS(std::string("Cppcheck ") + CppCheck::version() + "\n", output.str());
+        }
     }
 
     void linenumbers()
@@ -68,8 +103,8 @@ private:
         check(filedata);
 
         // Compare results..
-        ASSERT_EQUALS("Checking file.cpp...\n"
-                      "[file.cpp:5]: (error) Dereferencing 'foo' after it is deallocated / released\n", errout.str());
+        ASSERT_EQUALS("Checking file.cpp...\n", output.str());
+        ASSERT_EQUALS("[file.cpp:5]: (error) Dereferencing 'foo' after it is deallocated / released\n", errout.str());
     }
 
     void linenumbers2()
diff --git a/test/testpreprocessor.cpp b/test/testpreprocessor.cpp
index 08d2db93f..6223ebe87 100644
--- a/test/testpreprocessor.cpp
+++ b/test/testpreprocessor.cpp
@@ -31,6 +31,7 @@
 #include <stdexcept>
 
 extern std::ostringstream errout;
+extern std::ostringstream output;
 
 class TestPreprocessor : public TestFixture
 {
@@ -1050,6 +1051,7 @@ private:
                                 "#endif\n";
 
         errout.str("");
+        output.str("");
 
         // Preprocess => actual result..
         std::istringstream istr(filedata);
@@ -1065,7 +1067,7 @@ private:
         ASSERT_EQUALS("\n\n\n", actual[""]);
 
         // the "defined(DEF_10) || defined(DEF_11)" are not handled correctly..
-        ASSERT_EQUALS("unhandled configuration: defined(DEF_10)||defined(DEF_11)\n", errout.str());
+        ASSERT_EQUALS("unhandled configuration: defined(DEF_10)||defined(DEF_11)\n", output.str());
         TODO_ASSERT_EQUALS(2, actual.size());
         TODO_ASSERT_EQUALS("\na1;\n\n", actual["DEF_10"]);
 
diff --git a/test/testsuite.cpp b/test/testsuite.cpp
index c69f313ba..8df184b6c 100644
--- a/test/testsuite.cpp
+++ b/test/testsuite.cpp
@@ -26,6 +26,7 @@
 #include <list>
 
 std::ostringstream errout;
+std::ostringstream output;
 
 /**
  * TestRegistry
@@ -201,7 +202,7 @@ size_t TestFixture::runTests(const char cmd[])
 
 void TestFixture::reportOut(const std::string & outmsg)
 {
-    errout << outmsg << std::endl;
+    output << outmsg << std::endl;
 }
 
 void TestFixture::reportErr(const ErrorLogger::ErrorMessage &msg)