315 lines
8.2 KiB
C++
315 lines
8.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/misc/misctests.cpp
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// Purpose: test miscellaneous stuff
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// Author: Peter Most, Vadim Zeitlin
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// Created: 2008-07-10
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// Copyright: (c) 2008 Peter Most
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// (c) 2009 Vadim Zeitlin
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#include "wx/defs.h"
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#include "wx/math.h"
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#include "wx/mimetype.h"
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#include "wx/versioninfo.h"
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#include "wx/utils.h"
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#include "wx/private/wordwrap.h"
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// just some classes using wxRTTI for wxStaticCast() test
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#include "wx/tarstrm.h"
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#include "wx/zipstrm.h"
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#ifdef __WINDOWS__
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// Needed for wxMulDivInt32().
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#include "wx/msw/wrapwin.h"
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#endif
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// ----------------------------------------------------------------------------
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// test class
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// ----------------------------------------------------------------------------
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class MiscTestCase : public CppUnit::TestCase
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{
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public:
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MiscTestCase() { }
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private:
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CPPUNIT_TEST_SUITE( MiscTestCase );
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CPPUNIT_TEST( Assert );
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CPPUNIT_TEST( CallForEach );
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CPPUNIT_TEST( Delete );
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CPPUNIT_TEST( StaticCast );
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CPPUNIT_TEST_SUITE_END();
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void Assert();
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void CallForEach();
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void Delete();
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void StaticCast();
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wxDECLARE_NO_COPY_CLASS(MiscTestCase);
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};
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// register in the unnamed registry so that these tests are run by default
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CPPUNIT_TEST_SUITE_REGISTRATION( MiscTestCase );
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// also include in its own registry so that these tests can be run alone
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MiscTestCase, "MiscTestCase" );
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namespace
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{
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bool AssertIfOdd(int n)
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{
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wxCHECK_MSG( !(n % 2), false, "parameter must be even" );
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return true;
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}
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} // anonymous namespace
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void MiscTestCase::Assert()
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{
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AssertIfOdd(0);
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WX_ASSERT_FAILS_WITH_ASSERT(AssertIfOdd(1));
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// doesn't fail any more
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wxAssertHandler_t oldHandler = wxSetAssertHandler(nullptr);
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AssertIfOdd(17);
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wxSetAssertHandler(oldHandler);
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}
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void MiscTestCase::CallForEach()
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{
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#define MY_MACRO(pos, str) s += str;
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wxString s;
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wxCALL_FOR_EACH(MY_MACRO, "foo", "bar", "baz");
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CPPUNIT_ASSERT_EQUAL( "foobarbaz", s );
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#undef MY_MACRO
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}
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void MiscTestCase::Delete()
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{
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// Allocate some arbitrary memory to get a valid pointer:
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long *pointer = new long;
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CPPUNIT_ASSERT( pointer != nullptr );
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// Check that wxDELETE sets the pointer to nullptr:
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wxDELETE( pointer );
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CPPUNIT_ASSERT( pointer == nullptr );
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// Allocate some arbitrary array to get a valid pointer:
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long *array = new long[ 3 ];
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CPPUNIT_ASSERT( array != nullptr );
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// Check that wxDELETEA sets the pointer to nullptr:
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wxDELETEA( array );
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CPPUNIT_ASSERT( array == nullptr );
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// this results in compilation error, as it should
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#if 0
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struct SomeUnknownStruct *p = nullptr;
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wxDELETE(p);
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#endif
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}
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namespace
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{
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#ifdef __WXDEBUG__
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// helper function used just to avoid warnings about value computed not being
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// used in WX_ASSERT_FAILS_WITH_ASSERT() in StaticCast() below
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bool IsNull(void *p)
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{
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return p == nullptr;
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}
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#endif // __WXDEBUG__
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} // anonymous namespace
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void MiscTestCase::StaticCast()
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{
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#if wxUSE_TARSTREAM
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wxTarEntry tarEntry;
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CPPUNIT_ASSERT( wxStaticCast(&tarEntry, wxArchiveEntry) );
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wxArchiveEntry *entry = &tarEntry;
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CPPUNIT_ASSERT( wxStaticCast(entry, wxTarEntry) );
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#if wxUSE_ZIPSTREAM
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wxZipEntry zipEntry;
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entry = &zipEntry;
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CPPUNIT_ASSERT( wxStaticCast(entry, wxZipEntry) );
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WX_ASSERT_FAILS_WITH_ASSERT( IsNull(wxStaticCast(&zipEntry, wxTarEntry)) );
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#endif // wxUSE_ZIPSTREAM
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WX_ASSERT_FAILS_WITH_ASSERT( IsNull(wxStaticCast(entry, wxTarEntry)) );
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#endif // wxUSE_TARSTREAM
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}
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TEST_CASE("RTTI::ClassInfo", "[rtti]")
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{
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wxObject obj;
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CHECK( obj.GetClassInfo()->IsKindOf(wxCLASSINFO(wxObject)) );
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CHECK( !obj.GetClassInfo()->IsKindOf(wxCLASSINFO(wxArchiveEntry)) );
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#if wxUSE_ZIPSTREAM
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wxZipEntry zipEntry;
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CHECK( zipEntry.GetClassInfo()->IsKindOf(wxCLASSINFO(wxArchiveEntry)) );
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#endif // wxUSE_ZIPSTREAM
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}
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TEST_CASE("wxObjectDataPtr", "[ptr]")
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{
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struct Foo : wxObjectRefData
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{
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explicit Foo(int value) : m_value{value} {}
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int m_value;
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};
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wxObjectDataPtr<Foo> p1, p2;
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CHECK( p1 == p2 );
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p1 = new Foo(1);
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CHECK( p1 != p2 );
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p2 = new Foo(2);
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CHECK( p1 != p2 );
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}
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TEST_CASE("wxCTZ", "[math]")
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{
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CHECK( wxCTZ(1) == 0 );
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CHECK( wxCTZ(4) == 2 );
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CHECK( wxCTZ(17) == 0 );
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CHECK( wxCTZ(0x80000000) == 31 );
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WX_ASSERT_FAILS_WITH_ASSERT( wxCTZ(0) );
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}
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TEST_CASE("wxRound", "[math]")
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{
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CHECK( wxRound(2.3) == 2 );
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CHECK( wxRound(3.7) == 4 );
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CHECK( wxRound(-0.5f) == -1 );
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WX_ASSERT_FAILS_WITH_ASSERT( wxRound(2.0*INT_MAX) );
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WX_ASSERT_FAILS_WITH_ASSERT( wxRound(1.1*INT_MIN) );
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// For compatibility reasons, we allow using wxRound() with integer types
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// as well, even if this doesn't really make sense/
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#if WXWIN_COMPATIBILITY_3_0
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#ifdef __VISUALC__
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#pragma warning(push)
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#pragma warning(disable:4996)
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#endif
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wxGCC_WARNING_SUPPRESS(deprecated-declarations)
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CHECK( wxRound(-9) == -9 );
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CHECK( wxRound((size_t)17) == 17 );
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CHECK( wxRound((short)289) == 289 );
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wxGCC_WARNING_RESTORE(deprecated-declarations)
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#ifdef __VISUALC__
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#pragma warning(pop)
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#endif
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#endif // WXWIN_COMPATIBILITY_3_0
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}
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TEST_CASE("wxMulDivInt32", "[math]")
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{
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// Check that it rounds correctly.
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CHECK( wxMulDivInt32(15, 3, 2) == 23 );
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// Check that it doesn't overflow.
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CHECK( wxMulDivInt32((INT_MAX - 1)/2, 200, 100) == INT_MAX - 1 );
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}
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#if wxUSE_MIMETYPE
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TEST_CASE("wxFileTypeInfo", "[mime]")
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{
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SECTION("no extensions")
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{
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wxFileTypeInfo fti("binary/*", "", wxString{}, L"plain binary");
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REQUIRE( fti.GetExtensionsCount() == 0 );
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}
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SECTION("extension without null at the end")
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{
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wxFileTypeInfo fti("image/png", "", wxEmptyString, "PNG image", "png");
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REQUIRE( fti.GetExtensionsCount() == 1 );
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CHECK( fti.GetExtensions()[0] == "png" );
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}
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SECTION("two extensions with null at the end")
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{
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wxFileTypeInfo fti("image/jpeg", "", "", "JPEG image",
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"jpg", L"jpeg", nullptr);
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REQUIRE( fti.GetExtensionsCount() == 2 );
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CHECK( fti.GetExtensions()[0] == "jpg" );
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CHECK( fti.GetExtensions()[1] == "jpeg" );
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}
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}
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#endif // wxUSE_MIMETYPE
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TEST_CASE("wxVersionInfo", "[version]")
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{
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wxVersionInfo ver120("test", 1, 2);
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CHECK( ver120.AtLeast(1, 2) );
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CHECK( ver120.AtLeast(1, 0) );
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CHECK( ver120.AtLeast(0, 9) );
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CHECK_FALSE( ver120.AtLeast(1, 2, 1) );
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CHECK_FALSE( ver120.AtLeast(1, 3) );
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CHECK_FALSE( ver120.AtLeast(2, 0) );
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}
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TEST_CASE("wxGetLibraryVersionInfo", "[libraryversion]")
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{
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// We especially want to ensure that wxGetLibraryVersionInfo()
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// is available in wxBase, and successfully links, too.
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wxVersionInfo libver = wxGetLibraryVersionInfo();
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CHECK( libver.GetNumericVersionString().starts_with("3.") );
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}
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TEST_CASE("wxWordWrap", "[wordwrap]")
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{
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// Use artificially small max width to make the tests shorter and simpler.
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constexpr int N = 8;
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CHECK( wxWordWrap("", N).empty() );
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CHECK_THAT( wxWordWrap("foo", N),
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Catch::Equals<wxString>({"foo"}) );
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CHECK_THAT( wxWordWrap("foo bar", N),
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Catch::Equals<wxString>({"foo bar"}) );
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CHECK_THAT( wxWordWrap("foo quux", N),
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Catch::Equals<wxString>({"foo quux"}) );
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CHECK_THAT( wxWordWrap("foo bar baz", N),
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Catch::Equals<wxString>({"foo bar", "baz"}) );
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CHECK_THAT( wxWordWrap("foo barbaz", N),
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Catch::Equals<wxString>({"foo", "barbaz"}) );
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CHECK_THAT( wxWordWrap("foobarbaz", N),
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Catch::Equals<wxString>({"foobarba", "z"}) );
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CHECK_THAT( wxWordWrap("some more realistic text is wrapped correctly", 15),
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Catch::Equals<wxString>({
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"some more",
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"realistic text",
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"is wrapped",
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"correctly"
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}) );
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}
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