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69 lines
1.1 KiB
C++
69 lines
1.1 KiB
C++
#pragma once
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#include <test/jtx/JTx.h>
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#include <test/jtx/requires.h>
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#include <functional>
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#include <vector>
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namespace xrpl {
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namespace detail {
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template <class Cond, class... Args>
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inline void
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requireArgs(test::jtx::requires_t& vec, Cond const& cond, Args const&... args)
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{
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vec.push_back(cond);
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if constexpr (sizeof...(args) > 0)
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requireArgs(vec, args...);
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}
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} // namespace detail
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namespace test::jtx {
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/**
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* Compose many condition functors into one
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*/
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template <class... Args>
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require_t
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required(Args const&... args)
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{
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requires_t vec;
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detail::requireArgs(vec, args...);
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return [vec](Env& env) {
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for (auto const& f : vec)
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f(env);
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};
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}
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/**
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* Check a set of conditions.
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*
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* The conditions are checked after a JTx is
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* applied, and only if the resulting TER
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* matches the expected TER.
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*/
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class Require
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{
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private:
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require_t cond_;
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public:
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template <class... Args>
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Require(Args const&... args) : cond_(required(args...))
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{
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}
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void
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operator()(Env&, JTx& jt) const
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{
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jt.require.emplace_back(cond_);
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}
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};
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} // namespace test::jtx
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} // namespace xrpl
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