wxMessageBox off the main thread lost result code.

[wxWidgets.git] / tests / vectors / vectors.cpp

diff --git a/tests/vectors/vectors.cpp b/tests/vectors/vectors.cpp
index ad49527a94ee27f239ecd782376ed3e8a43d2d36..d00e78bc5297ec42b283ec9c6438fe7f13da09b4 100644 (file)
--- a/tests/vectors/vectors.cpp
+++ b/tests/vectors/vectors.cpp
@@ -3,7 +3,6 @@
 // Purpose:     wxVector<T> unit test
 // Author:      Vaclav Slavik
 // Created:     2007-07-07
-// RCS-ID:      $Id$
 // Copyright:   (c) 2007 Vaclav Slavik
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -23,9 +22,51 @@
 
 #include "wx/vector.h"
 
-// --------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// simple class capable of detecting leaks of its objects
+// ----------------------------------------------------------------------------
+
+class CountedObject
+{
+public:
+    CountedObject(int n = 0) : m_n(n) { ms_count++; }
+    CountedObject(const CountedObject& co) : m_n(co.m_n) { ms_count++; }
+    ~CountedObject() { ms_count--; }
+
+    int GetValue() const { return m_n; }
+
+    static int GetCount() { return ms_count; }
+
+private:
+    static int ms_count;
+
+    int m_n;
+};
+
+int CountedObject::ms_count = 0;
+
+// ----------------------------------------------------------------------------
+// simple class capable of checking its "this" pointer validity
+// ----------------------------------------------------------------------------
+
+class SelfPointingObject
+{
+public:
+    SelfPointingObject() { m_self = this; }
+    SelfPointingObject(const SelfPointingObject&) { m_self = this; }
+    ~SelfPointingObject() { CPPUNIT_ASSERT( this == m_self ); }
+
+    // the assignment operator should not modify our "this" pointer so
+    // implement it just to prevent the default version from doing it
+    SelfPointingObject& operator=(const SelfPointingObject&) { return *this; }
+
+private:
+    SelfPointingObject *m_self;
+};
+
+// ----------------------------------------------------------------------------
 // test class
-// --------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 
 class VectorsTestCase : public CppUnit::TestCase
 {
@@ -38,12 +79,22 @@ private:
         CPPUNIT_TEST( Insert );
         CPPUNIT_TEST( Erase );
         CPPUNIT_TEST( Iterators );
+        CPPUNIT_TEST( Objects );
+        CPPUNIT_TEST( NonPODs );
+        CPPUNIT_TEST( Resize );
+        CPPUNIT_TEST( Swap );
+        CPPUNIT_TEST( Sort );
     CPPUNIT_TEST_SUITE_END();
 
     void PushPopTest();
     void Insert();
     void Erase();
     void Iterators();
+    void Objects();
+    void NonPODs();
+    void Resize();
+    void Swap();
+    void Sort();
 
     DECLARE_NO_COPY_CLASS(VectorsTestCase)
 };
@@ -51,7 +102,7 @@ private:
 // register in the unnamed registry so that these tests are run by default
 CPPUNIT_TEST_SUITE_REGISTRATION( VectorsTestCase );
 
-// also include in it's own registry so that these tests can be run alone
+// also include in its own registry so that these tests can be run alone
 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VectorsTestCase, "VectorsTestCase" );
 
 void VectorsTestCase::PushPopTest()
@@ -155,3 +206,111 @@ void VectorsTestCase::Iterators()
         CPPUNIT_ASSERT_EQUAL( value, *i );
     }
 }
+
+void VectorsTestCase::Objects()
+{
+    wxVector<CountedObject> v;
+    v.push_back(CountedObject(1));
+    v.push_back(CountedObject(2));
+    v.push_back(CountedObject(3));
+
+    v.erase(v.begin());
+    CPPUNIT_ASSERT_EQUAL( 2, v.size() );
+    CPPUNIT_ASSERT_EQUAL( 2, CountedObject::GetCount() );
+
+    v.clear();
+    CPPUNIT_ASSERT_EQUAL( 0, CountedObject::GetCount() );
+}
+
+void VectorsTestCase::NonPODs()
+{
+    wxVector<SelfPointingObject> v;
+    v.push_back(SelfPointingObject());
+    v.push_back(SelfPointingObject());
+    v.push_back(SelfPointingObject());
+
+    v.erase(v.begin());
+    v.clear();
+
+    // try the same with wxString, which is not POD, but is implemented in
+    // a movable way (this won't assert, but would crash or show some memory
+    // problems under Valgrind if wxString couldn't be safely moved with
+    // memmove()):
+    wxVector<wxString> vs;
+    vs.push_back("one");
+    vs.push_back("two");
+    vs.push_back("three");
+
+    vs.erase(vs.begin());
+    vs.clear();
+}
+
+void VectorsTestCase::Resize()
+{
+    wxVector<CountedObject> v;
+    v.resize(3);
+
+    CPPUNIT_ASSERT_EQUAL( 3, v.size() );
+    CPPUNIT_ASSERT_EQUAL( 3, CountedObject::GetCount() );
+    CPPUNIT_ASSERT_EQUAL( 0, v[0].GetValue() );
+    CPPUNIT_ASSERT_EQUAL( 0, v[1].GetValue() );
+    CPPUNIT_ASSERT_EQUAL( 0, v[2].GetValue() );
+
+    v.resize(1);
+    CPPUNIT_ASSERT_EQUAL( 1, v.size() );
+    CPPUNIT_ASSERT_EQUAL( 1, CountedObject::GetCount() );
+
+    v.resize(4, CountedObject(17));
+    CPPUNIT_ASSERT_EQUAL( 4, v.size() );
+    CPPUNIT_ASSERT_EQUAL( 4, CountedObject::GetCount() );
+    CPPUNIT_ASSERT_EQUAL( 0, v[0].GetValue() );
+    CPPUNIT_ASSERT_EQUAL( 17, v[1].GetValue() );
+    CPPUNIT_ASSERT_EQUAL( 17, v[2].GetValue() );
+    CPPUNIT_ASSERT_EQUAL( 17, v[3].GetValue() );
+}
+
+void VectorsTestCase::Swap()
+{
+    wxVector<int> v1, v2;
+    v1.push_back(17);
+    v1.swap(v2);
+    CPPUNIT_ASSERT( v1.empty() );
+    CPPUNIT_ASSERT_EQUAL( 1, v2.size() );
+    CPPUNIT_ASSERT_EQUAL( 17, v2[0] );
+
+    v1.push_back(9);
+    v2.swap(v1);
+    CPPUNIT_ASSERT_EQUAL( 1, v1.size() );
+    CPPUNIT_ASSERT_EQUAL( 17, v1[0] );
+    CPPUNIT_ASSERT_EQUAL( 1, v2.size() );
+    CPPUNIT_ASSERT_EQUAL( 9, v2[0] );
+
+    v2.clear();
+    v1.swap(v2);
+    CPPUNIT_ASSERT( v1.empty() );
+}
+
+
+void VectorsTestCase::Sort()
+{
+    size_t  idx;
+    wxVector<int> v;
+
+    v.push_back(5);
+    v.push_back(7);
+    v.push_back(2);
+    v.push_back(9);
+    v.push_back(4);
+    v.push_back(1);
+    v.push_back(3);
+    v.push_back(8);
+    v.push_back(0);
+    v.push_back(6);
+
+    wxVectorSort(v);
+
+    for (idx=1; idx<v.size(); idx++)
+    {
+        CPPUNIT_ASSERT( v[idx-1] <= v[idx] );
+    }
+}