libcruft-util/test/fixed.cpp

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#include "fixed.hpp"
#include "types/string.hpp"
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#include "tap.hpp"
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///////////////////////////////////////////////////////////////////////////////
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template <typename T, unsigned I, unsigned E>
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void
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test_simple (util::TAP::logger &tap)
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{
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using fixed = util::fixed<T,I,E>;
using integer = typename fixed::integer_type;
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const auto lo = fixed::from_integer (integer {0});
const auto hi = fixed::from_integer (integer {1});
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std::ostringstream os;
os << "fixed<" << type_to_string<T> () << ',' << I << ',' << E << '>';
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tap.expect_eq (lo, lo, "%s self equality", os.str ());
tap.expect_eq (hi, hi, "%s self equality", os.str ());
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tap.expect_neq (hi, lo, "%s inequality", os.str ());
tap.expect_neq (lo, hi, "%s inequality", os.str ());
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tap.expect_lt (lo, hi, "%s less than", os.str ());
tap.expect_le (lo, hi, "%s less than equal", os.str ());
tap.expect_le (lo, lo, "%s less than equal", os.str ());
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tap.expect_gt (hi, lo, "%s greater than", os.str ());
tap.expect_ge (lo, lo, "%s greater than equal", os.str ());
tap.expect_ge (hi, lo, "%s greater than equal", os.str ());
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}
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///////////////////////////////////////////////////////////////////////////////
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int
main (void)
{
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util::TAP::logger tap;
test_simple<signed,16,16> (tap);
test_simple<signed,26, 6> (tap);
test_simple<signed,32,32> (tap);
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test_simple<unsigned,16,16> (tap);
test_simple<unsigned,26, 6> (tap);
test_simple<unsigned,32,32> (tap);
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}