Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

sdk/lib/3rdparty/stlport/test/unit/uninitialized_test.cpp

@@ -0,0 +1,245 @@
+#include <memory>
+#include <vector>
+#include <list>
+
+#include "cppunit/cppunit_proxy.h"
+
+#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
+using namespace std;
+#endif
+
+//
+// TestCase class
+//
+class UninitializedTest : public CPPUNIT_NS::TestCase
+{
+  CPPUNIT_TEST_SUITE(UninitializedTest);
+  CPPUNIT_TEST(copy_test);
+  //CPPUNIT_TEST(fill_test);
+  //CPPUNIT_TEST(fill_n_test);
+  CPPUNIT_TEST_SUITE_END();
+
+protected:
+  void copy_test();
+  void fill_test();
+  void fill_n_test();
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(UninitializedTest);
+
+struct NotTrivialCopyStruct {
+  NotTrivialCopyStruct() : member(0) {}
+  NotTrivialCopyStruct(NotTrivialCopyStruct const&) : member(1) {}
+
+  int member;
+};
+
+struct TrivialCopyStruct {
+  TrivialCopyStruct() : member(0) {}
+  TrivialCopyStruct(TrivialCopyStruct const&) : member(1) {}
+
+  int member;
+};
+
+struct TrivialInitStruct {
+  TrivialInitStruct()
+  { ++nbConstructorCalls; }
+
+  static size_t nbConstructorCalls;
+};
+
+size_t TrivialInitStruct::nbConstructorCalls = 0;
+
+#if defined (STLPORT)
+#  if defined (_STLP_USE_NAMESPACES)
+namespace std {
+#  endif
+  _STLP_TEMPLATE_NULL
+  struct __type_traits<TrivialCopyStruct> {
+     typedef __false_type has_trivial_default_constructor;
+     //This is a wrong declaration just to check that internaly a simple memcpy is called:
+     typedef __true_type has_trivial_copy_constructor;
+     typedef __true_type has_trivial_assignment_operator;
+     typedef __true_type has_trivial_destructor;
+     typedef __false_type is_POD_type;
+  };
+
+  _STLP_TEMPLATE_NULL
+  struct __type_traits<TrivialInitStruct> {
+     //This is a wrong declaration just to check that internaly no initialization is done:
+     typedef __true_type has_trivial_default_constructor;
+     typedef __true_type has_trivial_copy_constructor;
+     typedef __true_type has_trivial_assignment_operator;
+     typedef __true_type has_trivial_destructor;
+     typedef __false_type is_POD_type;
+  };
+#  if defined (_STLP_USE_NAMESPACES)
+}
+#  endif
+#endif
+
+struct base {};
+struct derived : public base {};
+
+//
+// tests implementation
+//
+void UninitializedTest::copy_test()
+{
+  {
+    //Random iterators
+    {
+      vector<NotTrivialCopyStruct> src(10);
+      vector<NotTrivialCopyStruct> dst(10);
+      uninitialized_copy(src.begin(), src.end(), dst.begin());
+      vector<NotTrivialCopyStruct>::const_iterator it(dst.begin()), end(dst.end());
+      for (; it != end; ++it) {
+        CPPUNIT_ASSERT( (*it).member == 1 );
+      }
+    }
+    {
+      /** Note: we use static arrays here so the iterators are always
+      pointers, even in debug mode. */
+      size_t const count = 10;
+      TrivialCopyStruct src[count];
+      TrivialCopyStruct dst[count];
+
+      TrivialCopyStruct* it = src + 0;
+      TrivialCopyStruct* end = src + count;
+      for (; it != end; ++it) {
+        (*it).member = 0;
+      }
+
+      uninitialized_copy(src+0, src+count, dst+0);
+      for (it = dst+0, end = dst+count; it != end; ++it) {
+#if defined (STLPORT)
+        /* If the member is 1, it means that library has not found any
+        optimization oportunity and called the regular copy-ctor instead. */
+        CPPUNIT_ASSERT( (*it).member == 0 );
+#else
+        CPPUNIT_ASSERT( (*it).member == 1 );
+#endif
+      }
+    }
+  }
+
+  {
+    //Bidirectional iterator
+    {
+      vector<NotTrivialCopyStruct> src(10);
+      list<NotTrivialCopyStruct> dst(10);
+
+      list<NotTrivialCopyStruct>::iterator it(dst.begin()), end(dst.end());
+      for (; it != end; ++it) {
+        (*it).member = -1;
+      }
+
+      uninitialized_copy(src.begin(), src.end(), dst.begin());
+
+      for (it = dst.begin(); it != end; ++it) {
+        CPPUNIT_ASSERT( (*it).member == 1 );
+      }
+    }
+
+    {
+      list<NotTrivialCopyStruct> src(10);
+      vector<NotTrivialCopyStruct> dst(10);
+
+      vector<NotTrivialCopyStruct>::iterator it(dst.begin()), end(dst.end());
+      for (; it != end; ++it) {
+        (*it).member = -1;
+      }
+
+      uninitialized_copy(src.begin(), src.end(), dst.begin());
+
+      for (it = dst.begin(); it != end; ++it) {
+        CPPUNIT_ASSERT( (*it).member == 1 );
+      }
+    }
+  }
+
+  {
+    //Using containers of native types:
+#if !defined (STLPORT) || !defined (_STLP_NO_MEMBER_TEMPLATES)
+    {
+      vector<int> src;
+      int i;
+      for (i = -5; i < 6; ++i) {
+        src.push_back(i);
+      }
+
+      //Building a vector result in a uninitialized_copy call internally
+      vector<unsigned int> dst(src.begin(), src.end());
+      vector<unsigned int>::const_iterator it(dst.begin());
+      for (i = -5; i < 6; ++i, ++it) {
+        CPPUNIT_ASSERT( *it == (unsigned int)i );
+      }
+    }
+
+    {
+      vector<char> src;
+      char i;
+      for (i = -5; i < 6; ++i) {
+        src.push_back(i);
+      }
+
+      //Building a vector result in a uninitialized_copy call internally
+      vector<unsigned int> dst(src.begin(), src.end());
+      vector<unsigned int>::const_iterator it(dst.begin());
+      for (i = -5; i < 6; ++i, ++it) {
+        CPPUNIT_ASSERT( *it == (unsigned int)i );
+      }
+    }
+
+    {
+      vector<int> src;
+      int i;
+      for (i = -5; i < 6; ++i) {
+        src.push_back(i);
+      }
+
+      //Building a vector result in a uninitialized_copy call internally
+      vector<float> dst(src.begin(), src.end());
+      vector<float>::const_iterator it(dst.begin());
+      for (i = -5; i < 6; ++i, ++it) {
+        CPPUNIT_ASSERT( *it == (float)i );
+      }
+    }
+
+    {
+      vector<vector<float>*> src(10);
+      vector<vector<float>*> dst(src.begin(), src.end());
+    }
+
+    {
+      derived d;
+      //base *pb = &d;
+      derived *pd = &d;
+      //base **ppb = &pd;
+      vector<derived*> src(10, pd);
+      vector<base*> dst(src.begin(), src.end());
+      vector<base*>::iterator it(dst.begin()), end(dst.end());
+      for (; it != end; ++it) {
+        CPPUNIT_ASSERT( (*it) == pd );
+      }
+    }
+#endif
+  }
+
+  {
+    //Vector initialization:
+    vector<TrivialInitStruct> vect(10);
+    //Just 1 constructor call for the default value:
+    CPPUNIT_ASSERT( TrivialInitStruct::nbConstructorCalls == 1  );
+  }
+}
+
+/*
+void UninitializedTest::fill_test()
+{
+}
+
+void UninitializedTest::fill_n_test()
+{
+}
+*/