From: nielsdekker_at_[hidden]
Date: 2008-01-19 15:21:19
Author: niels_dekker
Date: 2008-01-19 15:21:18 EST (Sat, 19 Jan 2008)
New Revision: 42868
URL: http://svn.boost.org/trac/boost/changeset/42868
Log:
value_init_test now works around Borland 5.82 bug ("Error E2015: Ambiguity..." when using initialized_value), that is fixed with a newer compiler version
Text files modified:
trunk/libs/utility/value_init_test.cpp | 36 +++++++++++++++++++++++++++++++-----
1 files changed, 31 insertions(+), 5 deletions(-)
Modified: trunk/libs/utility/value_init_test.cpp
==============================================================================
--- trunk/libs/utility/value_init_test.cpp (original)
+++ trunk/libs/utility/value_init_test.cpp 2008-01-19 15:21:18 EST (Sat, 19 Jan 2008)
@@ -6,8 +6,8 @@
//
// Test program for "boost/utility/value_init.hpp"
//
-// 21 Agu 2002 (Created) Fernando Cacciola
-// 16 Jan 2008 (Added tests regarding compiler issues and initialized_value) Fernando Cacciola, Niels Dekker
+// 21 Ago 2002 (Created) Fernando Cacciola
+// 19 Jan 2008 (Added tests regarding compiler issues and initialized_value) Fernando Cacciola, Niels Dekker
#include <cstring> // For memcmp.
#include <iostream>
@@ -180,6 +180,32 @@
};
+template<class T>
+void check_initialized_value ( T const& y )
+{
+ T initializedValue = boost::initialized_value() ;
+ BOOST_CHECK ( y == initializedValue ) ;
+}
+
+#ifdef __BORLANDC__
+#if __BORLANDC__ == 0x582
+void check_initialized_value( NonPOD const& )
+{
+ // The initialized_value check is skipped for Borland 5.82
+ // and this type (NonPOD), because the following statement
+ // won't compile on this particular compiler version:
+ // NonPOD initializedValue = boost::initialized_value() ;
+ //
+ // This is caused by a compiler bug, that is fixed with a newer version
+ // of the Borland compiler. The Release Notes for Delphi(R) 2007 for
+ // Win32(R) and C++Builder(R) 2007 (http://dn.codegear.com/article/36575)
+ // say about similar statements:
+ // both of these statements now compile but under 5.82 got the error:
+ // Error E2015: Ambiguity between 'V::V(const A &)' and 'V::V(const V &)'
+}
+#endif
+#endif
+
//
// This test function tests boost::value_initialized<T> for a specific type T.
// The first argument (y) is assumed have the value of a value-initialized object.
@@ -189,13 +215,13 @@
bool test ( T const& y, T const& z )
{
const boost::unit_test::counter_t counter_before_test = boost::minimal_test::errors_counter();
+
+ check_initialized_value(y);
+
boost::value_initialized<T> x ;
BOOST_CHECK ( y == x ) ;
BOOST_CHECK ( y == boost::get(x) ) ;
- T initializedValue = boost::initialized_value() ;
- BOOST_CHECK ( y == initializedValue ) ;
-
static_cast<T&>(x) = z ;
boost::get(x) = z ;
BOOST_CHECK ( x == z ) ;