compile-file cases added to the test suite

[SVN r17029]

test/Jamfile

@@ -15,5 +15,11 @@ DEPENDS all : test ;
 
   test-suite optional :
     [ run libs/optional/test/optional_test.cpp ]
+    [ compile-fail libs/optional/test/optional_test_fail1.cpp ]
+    [ compile-fail libs/optional/test/optional_test_fail2.cpp ]
+    [ compile-fail libs/optional/test/optional_test_fail3.cpp ]
+    [ compile-fail libs/optional/test/optional_test_fail4.cpp ]
+    [ compile-fail libs/optional/test/optional_test_fail5a.cpp ]
+    [ compile-fail libs/optional/test/optional_test_fail5b.cpp ]
   ;
 }

test/optional_test.cpp

@@ -54,6 +54,8 @@ void assertion_failed (char const * expr, char const * func, char const * file,
 
 using boost::optional ;
 
+template<class T> inline void unused_variable ( T ) {}
+
 #ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
 using boost::swap ;
 using boost::get_pointer ;
@@ -61,14 +63,6 @@ using boost::get_pointer ;
 
 #define ARG(T) (static_cast< T const* >(0))
 
-//#define SHOW_COMPILATION_FAIL_1
-//#define SHOW_COMPILATION_FAIL_2
-//#define SHOW_COMPILATION_FAIL_3
-//#define SHOW_COMPILATION_FAIL_4a
-//#define SHOW_COMPILATION_FAIL_4b
-//#define SHOW_COMPILATION_FAIL_5a
-//#define SHOW_COMPILATION_FAIL_5b
-
 //
 // Helper class used to verify the lifetime managment of the values held by optional
 //
@@ -344,25 +338,6 @@ void test_basics( T const* )
   ob.reset();
   check_is_pending_dtor( ARG(T) ) ;
   check_uninitialized(ob);
-
-#ifdef SHOW_COMPILATION_FAIL_1
-  // This is illegal since 'oa2' is const.
-  *oa2 = oa ;
-#endif
-
-#ifdef SHOW_COMPILATION_FAIL_2
-  T c(3);
-  // Direct Value Assignment is not allowed.
-  // Use operator*() instead.
-  oa = c ;
-#endif
-
-#ifdef SHOW_COMPILATION_FAIL_3
-  T d(4);
-  // Direct Value Construction is explicit.
-  optional<T> oc = d ;
-#endif
-
 }
 
 //
@@ -404,9 +379,9 @@ void test_uninitialized_access( T const* )
   bool passed = false ;
   try
   {
-    // This should throw becasue 'def' is uninitialized
+    // This should throw because 'def' is uninitialized
     T const& n = *def ;
-    (n);
+    unused_variable(n);
     passed = true ;
   }
   catch (...) {}
@@ -415,8 +390,9 @@ void test_uninitialized_access( T const* )
   passed = false ;
   try
   {
-    T v(1) ; (v);
-    // This should throw becasue 'def' is uninitialized
+    T v(1) ;
+    unused_variable(v);
+    // This should throw because 'def' is uninitialized
     *def = v ;
     passed = true ;
   }
@@ -426,9 +402,9 @@ void test_uninitialized_access( T const* )
   passed = false ;
   try
   {
-    // This should throw becasue 'def' is uninitialized
+    // This should throw because 'def' is uninitialized
     T v = *(def.operator->()) ;
-    (v);
+    unused_variable(v);
     passed = true ;
   }
   catch (...) {}
@@ -803,16 +779,6 @@ void test_relops( T const* )
   optional<T> opt1(v1);
   optional<T> opt2(v2);
 
-#ifdef SHOW_COMPILATION_FAIL_4a
-  // You can compare against 0 or against another optional<>,
-  // but not against another value 
-  if ( def0 == 1 ) ;
-#endif
-
-#ifdef SHOW_COMPILATION_FAIL_4b
-  if ( def0 != 1 ) ;
-#endif
-
   // Check identity
   BOOST_CHECK ( def0 == def0 ) ;
   BOOST_CHECK ( opt0 == opt0 ) ;
@@ -909,15 +875,6 @@ void test_conversions()
   optional<double> opt3 ;
   opt3 = opt2 ;
   BOOST_CHECK(*opt3 == d);
-
-#ifdef SHOW_COMPILATION_FAIL_5a
-  optional<A> opt4(opt0);
-#endif
-
-#ifdef SHOW_COMPILATION_FAIL_5b
-  optional<A> opt5 ;
-  opt5 = opt0;
-#endif
 }
 
 int test_main( int, char* [] )

test/optional_test_fail1.cpp

@@ -0,0 +1,28 @@
+// (C) 2003, Fernando Luis Cacciola Carballal.
+//
+// This material is provided "as is", with absolutely no warranty expressed
+// or implied. Any use is at your own risk.
+//
+// Permission to use or copy this software for any purpose is hereby granted
+// without fee, provided the above notices are retained on all copies.
+// Permission to modify the code and to distribute modified code is granted,
+// provided the above notices are retained, and a notice that the code was
+// modified is included with the above copyright notice.
+//
+// You are welcome to contact the author at:
+//  fernando_cacciola@hotmail.com
+//
+#include "boost/optional.hpp"
+
+//
+// THIS TEST SHOULD FAIL TO COMPILE
+//
+void test_deep_constantness()
+{
+  boost::optional<int> opt ;
+  boost::optional<int> const copt ;
+
+  *copt = opt ; // Cannot assign to "int const&"
+}
+
+

test/optional_test_fail2.cpp

@@ -0,0 +1,26 @@
+// (C) 2003, Fernando Luis Cacciola Carballal.
+//
+// This material is provided "as is", with absolutely no warranty expressed
+// or implied. Any use is at your own risk.
+//
+// Permission to use or copy this software for any purpose is hereby granted
+// without fee, provided the above notices are retained on all copies.
+// Permission to modify the code and to distribute modified code is granted,
+// provided the above notices are retained, and a notice that the code was
+// modified is included with the above copyright notice.
+//
+// You are welcome to contact the author at:
+//  fernando_cacciola@hotmail.com
+//
+#include "boost/optional.hpp"
+
+//
+// THIS TEST SHOULD FAIL TO COMPILE
+//
+void test_no_direct_value_assignment()
+{
+  boost::optional<int> opt(3) ;
+  opt = 4 ; // Cannot assign "int" to "optional<int>"
+}
+
+

test/optional_test_fail3.cpp

@@ -0,0 +1,25 @@
+// (C) 2003, Fernando Luis Cacciola Carballal.
+//
+// This material is provided "as is", with absolutely no warranty expressed
+// or implied. Any use is at your own risk.
+//
+// Permission to use or copy this software for any purpose is hereby granted
+// without fee, provided the above notices are retained on all copies.
+// Permission to modify the code and to distribute modified code is granted,
+// provided the above notices are retained, and a notice that the code was
+// modified is included with the above copyright notice.
+//
+// You are welcome to contact the author at:
+//  fernando_cacciola@hotmail.com
+//
+#include "boost/optional.hpp"
+
+//
+// THIS TEST SHOULD FAIL TO COMPILE
+//
+void test_explicit_constructor()
+{
+  boost::optional<int> opt = 3 ; // ERROR: Ctor is explicit.
+}
+
+

test/optional_test_fail4.cpp

@@ -0,0 +1,29 @@
+// (C) 2003, Fernando Luis Cacciola Carballal.
+//
+// This material is provided "as is", with absolutely no warranty expressed
+// or implied. Any use is at your own risk.
+//
+// Permission to use or copy this software for any purpose is hereby granted
+// without fee, provided the above notices are retained on all copies.
+// Permission to modify the code and to distribute modified code is granted,
+// provided the above notices are retained, and a notice that the code was
+// modified is included with the above copyright notice.
+//
+// You are welcome to contact the author at:
+//  fernando_cacciola@hotmail.com
+//
+#include "boost/optional.hpp"
+
+//
+// THIS TEST SHOULD FAIL TO COMPILE
+//
+void test_no_implicit_conversion()
+{
+  boost::optional<int> opt(1) ;
+
+  // You can compare against 0 or against another optional<>,
+  // but not against another value
+  if ( opt == 1 ) ;
+}
+
+

test/optional_test_fail5a.cpp

@@ -0,0 +1,28 @@
+// (C) 2003, Fernando Luis Cacciola Carballal.
+//
+// This material is provided "as is", with absolutely no warranty expressed
+// or implied. Any use is at your own risk.
+//
+// Permission to use or copy this software for any purpose is hereby granted
+// without fee, provided the above notices are retained on all copies.
+// Permission to modify the code and to distribute modified code is granted,
+// provided the above notices are retained, and a notice that the code was
+// modified is included with the above copyright notice.
+//
+// You are welcome to contact the author at:
+//  fernando_cacciola@hotmail.com
+//
+#include<string>
+
+#include "boost/optional.hpp"
+
+//
+// THIS TEST SHOULD FAIL TO COMPILE
+//
+void test_no_unsupported_conversion()
+{
+  boost::optional<int> opt1(1) ;
+  boost::optional< std::string > opt2( opt1 ) ; // Cannot convert from "int" to "std::string"
+}
+
+

test/optional_test_fail5b.cpp

@@ -0,0 +1,29 @@
+// (C) 2003, Fernando Luis Cacciola Carballal.
+//
+// This material is provided "as is", with absolutely no warranty expressed
+// or implied. Any use is at your own risk.
+//
+// Permission to use or copy this software for any purpose is hereby granted
+// without fee, provided the above notices are retained on all copies.
+// Permission to modify the code and to distribute modified code is granted,
+// provided the above notices are retained, and a notice that the code was
+// modified is included with the above copyright notice.
+//
+// You are welcome to contact the author at:
+//  fernando_cacciola@hotmail.com
+//
+#include<string>
+
+#include "boost/optional.hpp"
+
+//
+// THIS TEST SHOULD FAIL TO COMPILE
+//
+void test_no_unsupported_conversion()
+{
+  boost::optional<int> opt1(1) ;
+  boost::optional< std::string > opt2 ;
+  opt2 = opt1 ; // Cannot convert from "int" to "std::string"
+}
+
+