initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/tests/misc/metatest.cpp

@@ -0,0 +1,94 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        tests/misc/metatest.cpp
+// Purpose:     Test template meta-programming constructs
+// Author:      Jaakko Salli
+// Copyright:   (c) the wxWidgets team
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#include "testprec.h"
+
+#include "wx/object.h"
+#include "wx/utils.h"
+#include "wx/meta/pod.h"
+#include "wx/meta/movable.h"
+
+#ifndef wxNO_RTTI
+#include <typeinfo>
+#endif
+
+// ----------------------------------------------------------------------------
+// test class
+// ----------------------------------------------------------------------------
+
+class MetaProgrammingTestCase : public CppUnit::TestCase
+{
+public:
+    MetaProgrammingTestCase() { }
+
+private:
+    CPPUNIT_TEST_SUITE( MetaProgrammingTestCase );
+        CPPUNIT_TEST( IsPod );
+        CPPUNIT_TEST( IsMovable );
+        CPPUNIT_TEST( ImplicitConversion );
+        CPPUNIT_TEST( MinMax );
+    CPPUNIT_TEST_SUITE_END();
+
+    void IsPod();
+    void IsMovable();
+    void ImplicitConversion();
+    void MinMax();
+
+    wxDECLARE_NO_COPY_CLASS(MetaProgrammingTestCase);
+};
+
+// register in the unnamed registry so that these tests are run by default
+CPPUNIT_TEST_SUITE_REGISTRATION( MetaProgrammingTestCase );
+
+// also include in its own registry so that these tests can be run alone
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MetaProgrammingTestCase,
+                                       "MetaProgrammingTestCase" );
+
+
+void MetaProgrammingTestCase::IsPod()
+{
+    CPPUNIT_ASSERT(wxIsPod<bool>::value);
+    CPPUNIT_ASSERT(wxIsPod<signed int>::value);
+    CPPUNIT_ASSERT(wxIsPod<double>::value);
+    CPPUNIT_ASSERT(wxIsPod<wxObject*>::value);
+    CPPUNIT_ASSERT(!wxIsPod<wxObject>::value);
+}
+
+void MetaProgrammingTestCase::IsMovable()
+{
+    CPPUNIT_ASSERT(wxIsMovable<bool>::value);
+    CPPUNIT_ASSERT(wxIsMovable<signed int>::value);
+    CPPUNIT_ASSERT(wxIsMovable<double>::value);
+    CPPUNIT_ASSERT(wxIsMovable<wxObject*>::value);
+    CPPUNIT_ASSERT(!wxIsMovable<wxObject>::value);
+}
+
+void MetaProgrammingTestCase::ImplicitConversion()
+{
+#ifndef wxNO_RTTI
+    CPPUNIT_ASSERT(typeid(wxImplicitConversionType<char,int>::value) == typeid(int));
+    CPPUNIT_ASSERT(typeid(wxImplicitConversionType<int,unsigned>::value) == typeid(unsigned));
+    CPPUNIT_ASSERT(typeid(wxImplicitConversionType<wxLongLong_t,float>::value) == typeid(float));
+#endif // !wxNO_RTTI
+}
+
+void MetaProgrammingTestCase::MinMax()
+{
+    // test that wxMax(1.1,1) returns float, not long int
+    float f = wxMax(1.1f, 1l);
+    CPPUNIT_ASSERT_EQUAL( 1.1f, f);
+
+    // test that comparing signed and unsigned correctly returns unsigned: this
+    // may seem counterintuitive in this case but this is consistent with the
+    // standard C conversions
+    CPPUNIT_ASSERT_EQUAL( 1, wxMin(-1, 1u) );
+
+    CPPUNIT_ASSERT_EQUAL( -1., wxClip(-1.5, -1, 1) );
+    CPPUNIT_ASSERT_EQUAL( 0, wxClip(0, -1, 1) );
+    CPPUNIT_ASSERT_EQUAL( 1, wxClip(2l, -1, 1) );
+}