30 lines
917 B
C++
30 lines
917 B
C++
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#include <catch2/internal/catch_lazy_expr.hpp>
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#include <catch2/internal/catch_decomposer.hpp>
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namespace Catch {
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auto operator << (std::ostream& os, LazyExpression const& lazyExpr) -> std::ostream& {
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if (lazyExpr.m_isNegated)
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os << '!';
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if (lazyExpr) {
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if (lazyExpr.m_isNegated && lazyExpr.m_transientExpression->isBinaryExpression())
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os << '(' << *lazyExpr.m_transientExpression << ')';
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else
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os << *lazyExpr.m_transientExpression;
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} else {
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os << "{** error - unchecked empty expression requested **}";
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}
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return os;
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}
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} // namespace Catch
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