#include "test/helpers/test_fixture.h" class TestCommandString : public test_fixture {  CPPUNIT_TEST_SUITE(TestCommandString);   CPPUNIT_TEST(test_length);  CPPUNIT_TEST(test_equals);  CPPUNIT_TEST(test_starts_with);  CPPUNIT_TEST(test_ends_with);  CPPUNIT_TEST(test_contains);  CPPUNIT_TEST(test_substr);  CPPUNIT_TEST(test_split);  CPPUNIT_TEST(test_join);  CPPUNIT_TEST(test_pad);  CPPUNIT_TEST(test_strip);  CPPUNIT_TEST(test_map);  CPPUNIT_TEST(test_replace);  CPPUNIT_TEST(test_invalid_arguments);  CPPUNIT_TEST(test_config_syntax);   CPPUNIT_TEST_SUITE_END(); public:  void setUp();  void tearDown();   void test_length();  void test_equals();  void test_starts_with();  void test_ends_with();  void test_contains();  void test_substr();  void test_split();  void test_join();  void test_pad();  void test_strip();  void test_map();  void test_replace();  void test_invalid_arguments();  void test_config_syntax();};