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84 lines
3.3 KiB
C++
84 lines
3.3 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.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/matchers/catch_matchers_vector.hpp>
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#include <catch2/internal/catch_string_manip.hpp>
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static const char * const no_whitespace = "There is no extra whitespace here";
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static const char * const leading_whitespace = " \r \t\n There is no extra whitespace here";
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static const char * const trailing_whitespace = "There is no extra whitespace here \t \n \r ";
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static const char * const whitespace_at_both_ends = " \r\n \t There is no extra whitespace here \t\t\t \n";
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TEST_CASE("Trim strings", "[string-manip]") {
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using Catch::trim; using Catch::StringRef;
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static_assert(std::is_same<std::string, decltype(trim(std::string{}))>::value, "Trimming std::string should return std::string");
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static_assert(std::is_same<StringRef, decltype(trim(StringRef{}))>::value, "Trimming StringRef should return StringRef");
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REQUIRE(trim(std::string(no_whitespace)) == no_whitespace);
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REQUIRE(trim(std::string(leading_whitespace)) == no_whitespace);
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REQUIRE(trim(std::string(trailing_whitespace)) == no_whitespace);
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REQUIRE(trim(std::string(whitespace_at_both_ends)) == no_whitespace);
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REQUIRE(trim(StringRef(no_whitespace)) == StringRef(no_whitespace));
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REQUIRE(trim(StringRef(leading_whitespace)) == StringRef(no_whitespace));
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REQUIRE(trim(StringRef(trailing_whitespace)) == StringRef(no_whitespace));
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REQUIRE(trim(StringRef(whitespace_at_both_ends)) == StringRef(no_whitespace));
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}
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TEST_CASE("replaceInPlace", "[string-manip]") {
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std::string letters = "abcdefcg";
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SECTION("replace single char") {
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CHECK(Catch::replaceInPlace(letters, "b", "z"));
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CHECK(letters == "azcdefcg");
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}
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SECTION("replace two chars") {
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CHECK(Catch::replaceInPlace(letters, "c", "z"));
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CHECK(letters == "abzdefzg");
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}
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SECTION("replace first char") {
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CHECK(Catch::replaceInPlace(letters, "a", "z"));
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CHECK(letters == "zbcdefcg");
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}
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SECTION("replace last char") {
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CHECK(Catch::replaceInPlace(letters, "g", "z"));
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CHECK(letters == "abcdefcz");
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}
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SECTION("replace all chars") {
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CHECK(Catch::replaceInPlace(letters, letters, "replaced"));
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CHECK(letters == "replaced");
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}
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SECTION("replace no chars") {
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CHECK_FALSE(Catch::replaceInPlace(letters, "x", "z"));
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CHECK(letters == letters);
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}
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SECTION("escape '") {
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std::string s = "didn't";
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CHECK(Catch::replaceInPlace(s, "'", "|'"));
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CHECK(s == "didn|'t");
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}
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}
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TEST_CASE("splitString", "[string-manip]") {
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using namespace Catch::Matchers;
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using Catch::splitStringRef;
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using Catch::StringRef;
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CHECK_THAT(splitStringRef("", ','), Equals(std::vector<StringRef>()));
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CHECK_THAT(splitStringRef("abc", ','), Equals(std::vector<StringRef>{"abc"}));
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CHECK_THAT(splitStringRef("abc,def", ','), Equals(std::vector<StringRef>{"abc", "def"}));
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}
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TEST_CASE("startsWith", "[string-manip]") {
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using Catch::startsWith;
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CHECK_FALSE(startsWith("", 'c'));
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CHECK(startsWith(std::string("abc"), 'a'));
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CHECK(startsWith("def"_catch_sr, 'd'));
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}
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