libcruft-util/test/typeidx.cpp

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#include "../tap.hpp"
#include "../typeidx.hpp"
///////////////////////////////////////////////////////////////////////////////
int
main (int, char**)
{
cruft::TAP::logger tap;
tap.expect_eq (cruft::typeidx<int> (), cruft::typeidx<int> (), "equality for int");
tap.expect_eq (cruft::typeidx<float> (), cruft::typeidx<float> (), "equality for float");
tap.expect_neq (cruft::typeidx<int> (), cruft::typeidx<float> (), "inequality for int/float");
struct tag_a {};
struct tag_b {};
// Register an unequal number of types (that don't include f32) to each
// tag before we get to testing in the expectation that will force f32 to
// be different in the following tests.
cruft::typeidx<i16, tag_a> ();
cruft::typeidx<i32, tag_a> ();
cruft::typeidx<i08, tag_b> ();
cruft::typeidx<i16, tag_b> ();
cruft::typeidx<i32, tag_b> ();
// We test using f32 rather than int because we're pretty sure it's not
// going to have the first index (and hence give us false results) given
// int was registered first just above here.
tap.expect_neq (
cruft::typeidx<f32,tag_a> (),
cruft::typeidx<f32> (),
"inequality for f32/f32, tag_a"
);
tap.expect_neq (
cruft::typeidx<f32,tag_a> (),
cruft::typeidx<f32,tag_b> (),
"inequality for f32/f32, tag_a/tag_b"
);
tap.expect_neq (
cruft::typeidx<f32,tag_a> (),
cruft::typeidx<f32, tag_b> (),
"equality for f32/f32, tag_a/tag_a"
);
return tap.status ();
}