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// This source code is released into the public domain.
#include <catch2/catch_test_macros.hpp>
#include <ucl.h>
import nihil.std;
import nihil.ucl;
namespace {
TEST_CASE("ucl: integer: invariants", "[ucl]")
{
using namespace nihil::ucl;
static_assert(std::same_as<std::int64_t, integer::contained_type>);
REQUIRE(integer::ucl_type == object_type::integer);
REQUIRE(static_cast<::ucl_type>(integer::ucl_type) == UCL_INT);
static_assert(std::destructible<integer>);
static_assert(std::default_initializable<integer>);
static_assert(std::move_constructible<integer>);
static_assert(std::copy_constructible<integer>);
static_assert(std::equality_comparable<integer>);
static_assert(std::totally_ordered<integer>);
static_assert(std::swappable<integer>);
}
TEST_CASE("ucl: integer: constructor", "[ucl]")
{
using namespace nihil::ucl;
SECTION("default") {
auto i = integer();
REQUIRE(i == 0);
}
SECTION("with value") {
auto i = integer(42);
REQUIRE(i == 42);
}
}
TEST_CASE("ucl: integer: literal", "[ucl]")
{
SECTION("with namespace nihil::ucl::literals") {
using namespace nihil::ucl::literals;
auto i = 42_ucl;
REQUIRE(i.type() == nihil::ucl::object_type::integer);
REQUIRE(i == 42);
}
SECTION("with namespace nihil::literals") {
using namespace nihil::literals;
auto i = 42_ucl;
REQUIRE(i.type() == nihil::ucl::object_type::integer);
REQUIRE(i == 42);
}
}
TEST_CASE("ucl: integer: construct from UCL object", "[ucl]")
{
using namespace nihil::ucl;
SECTION("ref, correct type") {
auto *uobj = ::ucl_object_fromint(42);
auto i = integer(ref, uobj);
REQUIRE(i == 42);
::ucl_object_unref(uobj);
}
SECTION("noref, correct type") {
auto *uobj = ::ucl_object_fromint(42);
auto i = integer(noref, uobj);
REQUIRE(i == 42);
}
SECTION("ref, wrong type") {
auto *uobj = ::ucl_object_frombool(true);
REQUIRE_THROWS_AS(integer(ref, uobj), type_mismatch);
::ucl_object_unref(uobj);
}
SECTION("noref, wrong type") {
auto *uobj = ::ucl_object_frombool(true);
REQUIRE_THROWS_AS(integer(noref, uobj), type_mismatch);
::ucl_object_unref(uobj);
}
}
TEST_CASE("ucl: integer: make_integer", "[ucl]")
{
using namespace nihil::ucl;
SECTION("default value") {
auto i = make_integer().value();
REQUIRE(i == 0);
}
SECTION("explicit value") {
auto i = make_integer(42).value();
REQUIRE(i == 42);
}
}
TEST_CASE("ucl: integer: swap", "[ucl]")
{
// do not add using namespace nihil::ucl
auto i1 = nihil::ucl::integer(1);
auto i2 = nihil::ucl::integer(2);
swap(i1, i2);
REQUIRE(i1 == 2);
REQUIRE(i2 == 1);
}
TEST_CASE("ucl: integer: value()", "[ucl]")
{
using namespace nihil::ucl;
auto i = 42_ucl;
REQUIRE(i.value() == 42);
}
TEST_CASE("ucl: integer: key()", "[ucl]")
{
using namespace nihil::ucl;
SECTION("parsed with key") {
auto obj = parse("an_int = 42").value();
auto i = object_cast<integer>(obj["an_int"]).value();
REQUIRE(i.key() == "an_int");
}
SECTION("bare integer, no key") {
auto i = 42_ucl;
REQUIRE(i.key().empty() == true);
}
}
TEST_CASE("ucl: integer: comparison", "[ucl]")
{
using namespace nihil::ucl;
auto i = 42_ucl;
SECTION("operator==") {
REQUIRE(i == 42);
REQUIRE(i == 42_ucl);
}
SECTION("operator!=") {
REQUIRE(i != 1);
REQUIRE(i != 1_ucl);
}
SECTION("operator<") {
REQUIRE(i < 43);
REQUIRE(i < 43_ucl);
}
SECTION("operator>") {
REQUIRE(i > 1);
REQUIRE(i > 1_ucl);
}
}
TEST_CASE("ucl: integer: parse", "[ucl]")
{
using namespace nihil::ucl;
auto obj = parse("value = 42").value();
auto v = obj["value"];
REQUIRE(v.key() == "value");
REQUIRE(object_cast<integer>(v) == 42);
}
TEST_CASE("ucl: integer: parse and emit", "[ucl]")
{
using namespace nihil::ucl;
auto ucl = parse("int = 42;").value();
auto output = std::string();
emit(ucl, emitter::configuration, std::back_inserter(output));
REQUIRE(output == "int = 42;\n");
}
TEST_CASE("ucl: integer: format", "[ucl]")
{
using namespace nihil::ucl;
SECTION("bare integer") {
auto str = std::format("{}", 42_ucl);
REQUIRE(str == "42");
}
SECTION("parsed integer") {
auto obj = parse("int = 42;").value();
auto i = object_cast<integer>(obj["int"]).value();
auto str = std::format("{}", i);
REQUIRE(str == "42");
}
SECTION("with format string") {
auto str = std::format("{:-05}", 42_ucl);
REQUIRE(str == "00042");
}
}
TEST_CASE("ucl: integer: print to ostream", "[ucl]")
{
using namespace nihil::ucl;
SECTION("bare integer") {
auto strm = std::ostringstream();
strm << 42_ucl;
REQUIRE(strm.str() == "42");
}
SECTION("parsed integer") {
auto obj = parse("int = 42;").value();
auto i = object_cast<integer>(obj["int"]).value();
auto strm = std::ostringstream();
strm << i;
REQUIRE(strm.str() == "42");
}
}
} // anonymous namespace
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