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Added tests for alignas involving constant expressions.

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Some compilers (e.g. gcc 4.8) are known to require a literal constant in
alignas and not supporting a constant expression. The test was modified
to detect that.
This commit is contained in:
Andrey Semashev
2020-03-01 12:53:47 +03:00
parent cc915f1055
commit 0173564c24
1 changed files with 16 additions and 3 deletions
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19
test/boost_no_cxx11_alignas.ipp
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@ -1,4 +1,4 @@
// (C) Copyright Andrey Semashev 2013 // (C) Copyright Andrey Semashev 2013, 2020
// Use, modification and distribution are subject to the // Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file // Boost Software License, Version 1.0. (See accompanying file
@ -12,6 +12,12 @@
namespace boost_no_cxx11_alignas { namespace boost_no_cxx11_alignas {
template< unsigned int Alignment >
struct alignment
{
static const unsigned int value = Alignment;
};
struct alignas(16) my_data1 struct alignas(16) my_data1
{ {
char data[10]; char data[10];
@ -22,10 +28,17 @@ struct alignas(double) my_data2
char data[16]; char data[16];
}; };
struct alignas(alignment< 16u >::value) my_data3
{
char data[16];
};
my_data1 dummy1[2]; my_data1 dummy1[2];
my_data2 dummy2; my_data2 dummy2;
alignas(16) char dummy3[10]; my_data3 dummy3;
alignas(double) char dummy4[32]; alignas(16) char dummy4[10];
alignas(double) char dummy5[32];
alignas(alignment< 16u >::value) char dummy6[32];
int test() int test()
{ {