64 lines
1.9 KiB
C++
64 lines
1.9 KiB
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.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/catch_test_macros.hpp>
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#include <catch2/internal/catch_console_colour.hpp>
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#include <catch2/internal/catch_istream.hpp>
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#include <sstream>
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namespace {
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class TestColourImpl : public Catch::ColourImpl {
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using Catch::ColourImpl::ColourImpl;
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// Inherited via ColourImpl
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void use( Catch::Colour::Code colourCode ) const override {
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m_stream->stream() << "Using code: " << colourCode << '\n';
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}
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};
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class TestStringStream : public Catch::IStream {
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std::stringstream m_stream;
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public:
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std::ostream& stream() override {
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return m_stream;
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}
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std::string str() const { return m_stream.str(); }
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};
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}
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TEST_CASE("ColourGuard behaviour", "[console-colours]") {
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TestStringStream streamWrapper;
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TestColourImpl colourImpl( &streamWrapper );
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auto& stream = streamWrapper.stream();
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SECTION("ColourGuard is disengaged by default") {
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{ auto guard = colourImpl.guardColour( Catch::Colour::Red ); }
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REQUIRE( streamWrapper.str().empty() );
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}
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SECTION("ColourGuard is engaged by op<<") {
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stream << "1\n" << colourImpl.guardColour( Catch::Colour::Red ) << "2\n";
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stream << "3\n";
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REQUIRE( streamWrapper.str() == "1\nUsing code: 2\n2\nUsing code: 0\n3\n" );
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}
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SECTION("ColourGuard can be engaged explicitly") {
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{
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auto guard =
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colourImpl.guardColour( Catch::Colour::Red ).engage( stream );
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stream << "A\n"
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<< "B\n";
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}
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stream << "C\n";
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REQUIRE( streamWrapper.str() ==
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"Using code: 2\nA\nB\nUsing code: 0\nC\n" );
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}
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}
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