128 lines
2.4 KiB
C++
128 lines
2.4 KiB
C++
#pragma once
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#include <concepts>
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#include <format>
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#include <source_location>
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namespace lt::test {
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template<typename T>
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concept Printable = requires(std::ostream &os, T t) {
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{ os << t } -> std::same_as<std::ostream &>;
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};
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template<typename T>
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concept Testable = Printable<T> && std::equality_comparable<T>;
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constexpr void expect_eq(
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Testable auto lhs,
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Testable auto rhs,
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std::source_location source_location = std::source_location::current()
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)
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{
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if (lhs != rhs)
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{
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throw std::runtime_error {
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std::format(
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"Failed equality expectation:\n"
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"\tactual: {}\n"
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"\texpected: {}\n"
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"\tlocation: {}:{}",
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lhs,
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rhs,
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source_location.file_name(),
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source_location.line()
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),
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};
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}
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}
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constexpr void expect_ne(
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Testable auto lhs,
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Testable auto rhs,
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std::source_location source_location = std::source_location::current()
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)
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{
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if (lhs == rhs)
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{
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throw std::runtime_error {
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std::format(
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"Failed un-equality expectation:\n"
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"\tactual: {}\n"
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"\texpected: {}\n"
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"\tlocation: {}:{}",
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lhs,
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rhs,
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source_location.file_name(),
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source_location.line()
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),
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};
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}
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}
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constexpr void expect_true(
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bool expression,
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std::source_location source_location = std::source_location::current()
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)
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{
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if (!expression)
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{
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throw std::runtime_error {
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std::format(
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"Failed true expectation:\n"
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"\tactual: {}\n"
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"\texpected: true\n"
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"\tlocation: {}:{}",
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expression,
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source_location.file_name(),
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source_location.line()
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),
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};
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}
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}
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constexpr void expect_false(
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bool expression,
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std::source_location source_location = std::source_location::current()
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)
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{
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if (expression)
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{
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throw std::runtime_error {
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std::format(
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"Failed false expectation:\n"
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"\tactual: {}\n"
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"\texpected: true\n"
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"\tlocation: {}:{}",
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expression,
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source_location.file_name(),
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source_location.line()
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),
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};
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}
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}
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constexpr void expect_le(
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Testable auto lhs,
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Testable auto rhs,
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std::source_location source_location = std::source_location::current()
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)
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{
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if (lhs > rhs)
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{
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throw std::runtime_error {
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std::format(
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"Failed false expectation:\n"
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"\tactual: {}\n"
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"\texpected: >= {}\n"
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"\tlocation: {}:{}",
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lhs,
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rhs,
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source_location.file_name(),
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source_location.line()
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),
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};
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}
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}
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} // namespace lt::test
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