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d7341b5dc1
There is an increasing number of places where Catch2 wants to parse strings into numbers, but being stuck in C++14 world, we do not have good stdlib facilities to do this (`strtoul` and `stoul` are both bad).
39 lines
1.3 KiB
C++
39 lines
1.3 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_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/catch_test_macros.hpp>
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#include <catch2/internal/catch_parse_numbers.hpp>
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TEST_CASE("Parse uints", "[parse-numbers]") {
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using Catch::parseUInt;
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using Catch::Optional;
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SECTION("proper inputs") {
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REQUIRE( parseUInt( "0" ) == Optional<unsigned int>{ 0 } );
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REQUIRE( parseUInt( "100" ) == Optional<unsigned int>{ 100 } );
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REQUIRE( parseUInt( "4294967295" ) ==
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Optional<unsigned int>{ 4294967295 } );
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REQUIRE( parseUInt( "0xFF", 16 ) == Optional<unsigned int>{ 255 } );
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}
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SECTION( "Bad inputs" ) {
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// empty
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REQUIRE_FALSE( parseUInt( "" ) );
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// random noise
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REQUIRE_FALSE( parseUInt( "!!KJHF*#" ) );
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// negative
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REQUIRE_FALSE( parseUInt( "-1" ) );
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// too large
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REQUIRE_FALSE( parseUInt( "4294967296" ) );
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REQUIRE_FALSE( parseUInt( "42949672964294967296429496729642949672964294967296" ) );
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REQUIRE_FALSE( parseUInt( "2 4" ) );
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// hex with base 10
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REQUIRE_FALSE( parseUInt( "0xFF", 10 ) );
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}
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}
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