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Removed warnings in GCC 4.8 -Wall -pedantic

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Ion Gaztañaga committed 2014-09-25 16:45:22 +02:00
1 parent 4e7a046df2
commit 76ab7093ae
4 files changed
+59 -55
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test/copy_elision_test.cpp
+21 -17
View File
@@ -4,6 +4,7 @@
#include <boost/move/detail/config_begin.hpp>
#include <iostream>
#include <boost/core/lightweight_test.hpp>
#ifdef NO_MOVE
# undef BOOST_COPY_ASSIGN_REF
@@ -73,9 +74,12 @@ unsigned X::instances = 0;
stmt; \
} \
unsigned const n = X::copies - old_copies; \
if (n > max) \
volatile unsigned const minv(min), maxv(max); \
BOOST_TEST(n <= maxv); \
if (n > maxv) \
std::cout << "*** max is too low or compiler is buggy ***\n"; \
if (n < min) \
BOOST_TEST(n >= minv); \
if (n < minv) \
std::cout << "*** min is too high or compiler is buggy ***\n"; \
\
std::cout << "-----------\n" \
@@ -84,7 +88,7 @@ unsigned X::instances = 0;
<< max - n << "/" << max - min \
<< " possible elisions performed\n\n"; \
\
if (n > min) \
if (n > minv) \
std::cout << "*** " << n - min \
<< " possible elisions missed! ***\n"; \
}
@@ -105,7 +109,7 @@ struct trace
char const* m_name;
};
void sink(X a)
void sink(X)
{
trace t("sink");
}
@@ -146,28 +150,28 @@ int main(int argc, char* argv[])
{
(void)argv;
// Double parens prevent "most vexing parse"
CHECK_COPIES( X a(( lvalue() )), 1, 1, "Direct initialization from lvalue");
CHECK_COPIES( X a(( rvalue() )), 0, 1, "Direct initialization from rvalue");
CHECK_COPIES( X a(( lvalue() )), 1U, 1U, "Direct initialization from lvalue");
CHECK_COPIES( X a(( rvalue() )), 0U, 1U, "Direct initialization from rvalue");
CHECK_COPIES( X a = lvalue(), 1, 1, "Copy initialization from lvalue" );
CHECK_COPIES( X a = rvalue(), 0, 1, "Copy initialization from rvalue" );
CHECK_COPIES( X a = lvalue(), 1U, 1U, "Copy initialization from lvalue" );
CHECK_COPIES( X a = rvalue(), 0U, 1U, "Copy initialization from rvalue" );
CHECK_COPIES( sink( lvalue() ), 1, 1, "Pass lvalue by value" );
CHECK_COPIES( sink( rvalue() ), 0, 1, "Pass rvalue by value" );
CHECK_COPIES( sink( lvalue() ), 1U, 1U, "Pass lvalue by value" );
CHECK_COPIES( sink( rvalue() ), 0U, 1U, "Pass rvalue by value" );
CHECK_COPIES( nrvo_source(), 0, 1, "Named return value optimization (NRVO)" );
CHECK_COPIES( urvo_source(), 0, 1, "Unnamed return value optimization (URVO)" );
CHECK_COPIES( nrvo_source(), 0U, 1U, "Named return value optimization (NRVO)" );
CHECK_COPIES( urvo_source(), 0U, 1U, "Unnamed return value optimization (URVO)" );
// Just to prove these things compose properly
CHECK_COPIES( X a(urvo_source()), 0, 2, "Return value used as ctor arg" );
CHECK_COPIES( X a(urvo_source()), 0U, 2U, "Return value used as ctor arg" );
// Expect to miss one possible elision here
CHECK_COPIES( identity( rvalue() ), 0, 2, "Return rvalue passed by value" );
CHECK_COPIES( identity( rvalue() ), 0U, 2U, "Return rvalue passed by value" );
// Expect to miss an elision in at least one of the following lines
CHECK_COPIES( X a = ternary( argc == 1000 ), 0, 2, "Return result of ternary operation" );
CHECK_COPIES( X a = ternary( argc != 1000 ), 0, 2, "Return result of ternary operation again" );
return 0;
CHECK_COPIES( X a = ternary( argc == 1000 ), 0U, 2U, "Return result of ternary operation" );
CHECK_COPIES( X a = ternary( argc != 1000 ), 0U, 2U, "Return result of ternary operation again" );
return boost::report_errors();
}
#include <boost/move/detail/config_end.hpp>