+
+void StringTestCase::IndexedAccess()
+{
+ wxString s("bar");
+ CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
+
+ // this tests for a possible bug in UTF-8 based wxString implementation:
+ // the 3rd character of the underlying byte string is going to change, but
+ // the 3rd character of wxString should remain the same
+ s[0] = L'\xe9';
+ CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
+}
+
+void StringTestCase::BeforeAndAfter()
+{
+ // Construct a string with 2 equal signs in it by concatenating its three
+ // parts: before the first "=", in between the two "="s and after the last
+ // one. This allows to avoid duplicating the string contents (which has to
+ // be different for Unicode and ANSI builds) in the tests below.
+#if wxUSE_UNICODE
+ #define FIRST_PART L"letter"
+ #define MIDDLE_PART L"\xe9;\xe7a"
+ #define LAST_PART L"l\xe0"
+#else // !wxUSE_UNICODE
+ #define FIRST_PART "letter"
+ #define MIDDLE_PART "e;ca"
+ #define LAST_PART "la"
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+
+ const wxString s(FIRST_PART wxT("=") MIDDLE_PART wxT("=") LAST_PART);
+
+ wxString r;
+
+ CPPUNIT_ASSERT_EQUAL( FIRST_PART, s.BeforeFirst('=', &r) );
+ CPPUNIT_ASSERT_EQUAL( MIDDLE_PART wxT("=") LAST_PART, r );
+
+ CPPUNIT_ASSERT_EQUAL( s, s.BeforeFirst('!', &r) );
+ CPPUNIT_ASSERT_EQUAL( "", r );
+
+
+ CPPUNIT_ASSERT_EQUAL( FIRST_PART wxT("=") MIDDLE_PART, s.BeforeLast('=', &r) );
+ CPPUNIT_ASSERT_EQUAL( LAST_PART, r );
+
+ CPPUNIT_ASSERT_EQUAL( "", s.BeforeLast('!', &r) );
+ CPPUNIT_ASSERT_EQUAL( s, r );
+
+
+ CPPUNIT_ASSERT_EQUAL( MIDDLE_PART wxT("=") LAST_PART, s.AfterFirst('=') );
+ CPPUNIT_ASSERT_EQUAL( "", s.AfterFirst('!') );
+
+
+ CPPUNIT_ASSERT_EQUAL( LAST_PART, s.AfterLast('=') );
+ CPPUNIT_ASSERT_EQUAL( s, s.AfterLast('!') );
+
+ #undef LAST_PART
+ #undef MIDDLE_PART
+ #undef FIRST_PART
+}
+
+void StringTestCase::ScopedBuffers()
+{
+ // wxString relies on efficient buffers, verify they work as they should
+
+ const char *literal = "Hello World!";
+
+ // non-owned buffer points to the string passed to it
+ wxScopedCharBuffer sbuf = wxScopedCharBuffer::CreateNonOwned(literal);
+ CPPUNIT_ASSERT( sbuf.data() == literal );
+
+ // a copy of scoped non-owned buffer still points to the same string
+ wxScopedCharBuffer sbuf2(sbuf);
+ CPPUNIT_ASSERT( sbuf.data() == sbuf2.data() );
+
+ // but assigning it to wxCharBuffer makes a full copy
+ wxCharBuffer buf(sbuf);
+ CPPUNIT_ASSERT( buf.data() != literal );
+ CPPUNIT_ASSERT_EQUAL( literal, buf.data() );
+
+ wxCharBuffer buf2 = sbuf;
+ CPPUNIT_ASSERT( buf2.data() != literal );
+ CPPUNIT_ASSERT_EQUAL( literal, buf.data() );
+
+ // Check that extending the buffer keeps it NUL-terminated.
+ size_t len = 10;
+
+ wxCharBuffer buf3(len);
+ CPPUNIT_ASSERT_EQUAL('\0', buf3.data()[len]);
+
+ wxCharBuffer buf4;
+ buf4.extend(len);
+ CPPUNIT_ASSERT_EQUAL('\0', buf4.data()[len]);
+
+ wxCharBuffer buf5(5);
+ buf5.extend(len);
+ CPPUNIT_ASSERT_EQUAL('\0', buf5.data()[len]);
+}
projects / wxWidgets.git / blobdiff