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| author | Lexi Winter <lexi@le-fay.org> | 2025-06-29 19:25:29 +0100 |
|---|---|---|
| committer | Lexi Winter <lexi@le-fay.org> | 2025-06-29 19:25:29 +0100 |
| commit | bc524d70253a4ab2fe40c3ca3e5666e267c0a4d1 (patch) | |
| tree | 1e629e7b46b1d9972a973bc93fd100bcebd395be /tests/SelfTest/UsageTests/ToStringVector.tests.cpp | |
| download | nihil-548ea226e1944e077d3ff305df43ef6b366b03f4.tar.gz nihil-548ea226e1944e077d3ff305df43ef6b366b03f4.tar.bz2 | |
import catch2 3.8.1vendor/catch2/3.8.1vendor/catch2
Diffstat (limited to 'tests/SelfTest/UsageTests/ToStringVector.tests.cpp')
| -rw-r--r-- | tests/SelfTest/UsageTests/ToStringVector.tests.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/tests/SelfTest/UsageTests/ToStringVector.tests.cpp b/tests/SelfTest/UsageTests/ToStringVector.tests.cpp new file mode 100644 index 0000000..c042744 --- /dev/null +++ b/tests/SelfTest/UsageTests/ToStringVector.tests.cpp @@ -0,0 +1,94 @@ + +// Copyright Catch2 Authors +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE.txt or copy at +// https://www.boost.org/LICENSE_1_0.txt) + +// SPDX-License-Identifier: BSL-1.0 + +#include <catch2/catch_test_macros.hpp> +#include <vector> +#include <array> + +// vector +TEST_CASE( "vector<int> -> toString", "[toString][vector]" ) +{ + std::vector<int> vv; + REQUIRE( ::Catch::Detail::stringify(vv) == "{ }" ); + vv.push_back( 42 ); + REQUIRE( ::Catch::Detail::stringify(vv) == "{ 42 }" ); + vv.push_back( 250 ); + REQUIRE( ::Catch::Detail::stringify(vv) == "{ 42, 250 }" ); +} + +TEST_CASE( "vector<string> -> toString", "[toString][vector]" ) +{ + std::vector<std::string> vv; + REQUIRE( ::Catch::Detail::stringify(vv) == "{ }" ); + vv.emplace_back( "hello" ); + REQUIRE( ::Catch::Detail::stringify(vv) == "{ \"hello\" }" ); + vv.emplace_back( "world" ); + REQUIRE( ::Catch::Detail::stringify(vv) == "{ \"hello\", \"world\" }" ); +} + +namespace { + /* Minimal Allocator */ + template<typename T> + struct minimal_allocator { + using value_type = T; + using size_type = std::size_t; + + minimal_allocator() = default; + template <typename U> + minimal_allocator(const minimal_allocator<U>&) {} + + + T *allocate( size_type n ) { + return static_cast<T *>( ::operator new( n * sizeof(T) ) ); + } + void deallocate( T *p, size_type /*n*/ ) { + ::operator delete( static_cast<void *>(p) ); + } + template<typename U> + bool operator==( const minimal_allocator<U>& ) const { return true; } + template<typename U> + bool operator!=( const minimal_allocator<U>& ) const { return false; } + }; +} + +TEST_CASE( "vector<int,allocator> -> toString", "[toString][vector,allocator]" ) { + std::vector<int,minimal_allocator<int> > vv; + REQUIRE( ::Catch::Detail::stringify(vv) == "{ }" ); + vv.push_back( 42 ); + REQUIRE( ::Catch::Detail::stringify(vv) == "{ 42 }" ); + vv.push_back( 250 ); + REQUIRE( ::Catch::Detail::stringify(vv) == "{ 42, 250 }" ); +} + +TEST_CASE( "vec<vec<string,alloc>> -> toString", "[toString][vector,allocator]" ) { + using inner = std::vector<std::string, minimal_allocator<std::string>>; + using vector = std::vector<inner>; + vector v; + REQUIRE( ::Catch::Detail::stringify(v) == "{ }" ); + v.push_back( inner { "hello" } ); + v.push_back( inner { "world" } ); + REQUIRE( ::Catch::Detail::stringify(v) == "{ { \"hello\" }, { \"world\" } }" ); +} + +// Based on PR by mat-so: https://github.com/catchorg/Catch2/pull/606/files#diff-43562f40f8c6dcfe2c54557316e0f852 +TEST_CASE( "vector<bool> -> toString", "[toString][containers][vector]" ) { + std::vector<bool> bools; + REQUIRE( ::Catch::Detail::stringify(bools) == "{ }"); + bools.push_back(true); + REQUIRE( ::Catch::Detail::stringify(bools) == "{ true }"); + bools.push_back(false); + REQUIRE( ::Catch::Detail::stringify(bools) == "{ true, false }"); +} +TEST_CASE( "array<int, N> -> toString", "[toString][containers][array]" ) { + std::array<int, 0> empty; + REQUIRE( Catch::Detail::stringify( empty ) == "{ }" ); + std::array<int, 1> oneValue = {{ 42 }}; + REQUIRE( Catch::Detail::stringify( oneValue ) == "{ 42 }" ); + std::array<int, 2> twoValues = {{ 42, 250 }}; + REQUIRE( Catch::Detail::stringify( twoValues ) == "{ 42, 250 }" ); +} |
