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#include <tut/tut.hpp>
// geos
#include <geos_c.h>
#include "capi_test_utils.h"
namespace tut {
//
// Test Group
//
struct test_geos_printdouble_data : public capitest::utility {};
typedef test_group<test_geos_printdouble_data> group;
typedef group::object object;
group test_geos_printdouble("capi::GEOS_printDouble");
template<>
template<>
void object::test<1>()
{
struct TESTCASE {
TESTCASE(unsigned int p_p, double p_d, std::string p_expected)
: p(p_p), d(p_d), expected(p_expected) {}
unsigned int p;
double d;
std::string expected;
};
std::vector<TESTCASE> testcase_l{
TESTCASE(1, 0.0, "0"),
TESTCASE(1, std::nan("0"), "NaN"),
TESTCASE(1, std::numeric_limits<double>::infinity(), "Infinity"),
TESTCASE(1, -std::numeric_limits<double>::infinity(), "-Infinity"),
TESTCASE(16, 1.0, "1"),
TESTCASE(16, 1.2e+234, "1.2e+234"),
TESTCASE(2, -1.2e+234, "-1.2e+234"),
TESTCASE(16, 1.2e-234, "1.2e-234"),
TESTCASE(2, -1.2e-234, "-1.2e-234"),
TESTCASE(2, 1.1e-5, "1.1e-5"),
TESTCASE(0, 1e-4, "0.0001"),
TESTCASE(1, 1e-4, "0.0001"),
TESTCASE(2, 1e-4, "0.0001"),
TESTCASE(3, 1e-4, "0.0001"),
TESTCASE(4, 1e-4, "0.0001"),
TESTCASE(5, 1e-4, "0.0001"),
TESTCASE(0, 5.6e-4, "0.0006"),
TESTCASE(1, 5.6e-4, "0.0006"),
TESTCASE(2, 5.6e-4, "0.0006"),
TESTCASE(3, 5.6e-4, "0.0006"),
TESTCASE(4, 5.6e-4, "0.0006"),
TESTCASE(5, 5.6e-4, "0.00056"),
TESTCASE(0, 1.2345678901234e+15, "1234567890123400"),
TESTCASE(1, 1.2345678901234e+15, "1234567890123400"),
TESTCASE(0, 1.2345678901234e+16, "12345678901234000"),
TESTCASE(1, 1.2345678901234e+16, "12345678901234000"),
TESTCASE(0, 1.2345678901234e+17, "1e+17"),
TESTCASE(1, 1.2345678901234e+17, "1.2e+17"),
TESTCASE(2, 1.2345678901234e+17, "1.23e+17"),
TESTCASE(3, 1.2345678901234e+17, "1.235e+17"),
TESTCASE(4, 1.2345678901234e+17, "1.2346e+17"),
TESTCASE(5, 1.2345678901234e+17, "1.23457e+17"),
TESTCASE(6, 1.2345678901234e+17, "1.234568e+17"),
TESTCASE(7, 1.2345678901234e+17, "1.2345679e+17"),
TESTCASE(8, 1.2345678901234e+17, "1.23456789e+17"),
TESTCASE(9, 1.2345678901234e+17, "1.23456789e+17"),
TESTCASE(10, 1.2345678901234e+17, "1.2345678901e+17"),
TESTCASE(11, 1.2345678901234e+17, "1.23456789012e+17"),
TESTCASE(12, 1.2345678901234e+17, "1.234567890123e+17"),
TESTCASE(13, 1.2345678901234e+17, "1.2345678901234e+17"),
TESTCASE(14, 1.2345678901234e+17, "1.2345678901234e+17"),
TESTCASE(0, 0.0123456789, "0.01"),
TESTCASE(1, 0.0123456789, "0.01"),
TESTCASE(2, 0.0123456789, "0.01"),
TESTCASE(3, 0.0123456789, "0.012"),
TESTCASE(4, 0.0123456789, "0.0123"),
TESTCASE(0, 0.123456789, "0.1"),
TESTCASE(1, 0.123456789, "0.1"),
TESTCASE(2, 0.123456789, "0.12"),
TESTCASE(3, 0.123456789, "0.123"),
TESTCASE(4, 0.123456789, "0.1235"),
TESTCASE(0, 1.23456789, "1"),
TESTCASE(1, 1.23456789, "1.2"),
TESTCASE(2, 1.23456789, "1.23"),
TESTCASE(3, 1.23456789, "1.235"),
TESTCASE(4, 1.23456789, "1.2346"),
};
for (const auto& testcase : testcase_l) {
char buf[28];
const auto len = GEOS_printDouble(testcase.d, testcase.p, buf);
buf[len] = '\0';
const auto res_str = std::string(buf);
ensure_equals(res_str, testcase.expected);
ensure_equals(len, static_cast<int>(testcase.expected.size()));
}
}
} // namespace tut
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