mirror of
https://github.com/catchorg/Catch2.git
synced 2024-12-23 19:53:28 +01:00
340 lines
13 KiB
C++
340 lines
13 KiB
C++
/*
|
|
* Created by Phil on 21/02/2017.
|
|
* Copyright 2017 Two Blue Cubes Ltd. All rights reserved.
|
|
*
|
|
* Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
*/
|
|
|
|
#include "catch.hpp"
|
|
|
|
#include <sstream>
|
|
|
|
#ifdef __clang__
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wweak-vtables"
|
|
#pragma clang diagnostic ignored "-Wpadded"
|
|
#endif
|
|
|
|
namespace { namespace MatchersTests {
|
|
|
|
#ifndef CATCH_CONFIG_DISABLE_MATCHERS
|
|
|
|
#ifndef MATCHERS_TEST_HELPERS_INCLUDED // Don't compile this more than once per TU
|
|
#define MATCHERS_TEST_HELPERS_INCLUDED
|
|
|
|
inline const char *testStringForMatching() {
|
|
return "this string contains 'abc' as a substring";
|
|
}
|
|
|
|
inline const char *testStringForMatching2() {
|
|
return "some completely different text that contains one common word";
|
|
}
|
|
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning(disable:4702) // Unreachable code -- MSVC 19 (VS 2015) sees right through the indirection
|
|
#endif
|
|
|
|
#include <exception>
|
|
|
|
struct SpecialException : std::exception {
|
|
SpecialException(int i_) : i(i_) {}
|
|
|
|
int i;
|
|
};
|
|
|
|
void doesNotThrow() {}
|
|
|
|
[[noreturn]]
|
|
void throws(int i) {
|
|
throw SpecialException{i};
|
|
}
|
|
|
|
[[noreturn]]
|
|
void throwsAsInt(int i) {
|
|
throw i;
|
|
}
|
|
|
|
class ExceptionMatcher : public Catch::MatcherBase<SpecialException> {
|
|
int m_expected;
|
|
public:
|
|
ExceptionMatcher(int i) : m_expected(i) {}
|
|
|
|
bool match(SpecialException const &se) const override {
|
|
return se.i == m_expected;
|
|
}
|
|
|
|
std::string describe() const override {
|
|
std::ostringstream ss;
|
|
ss << "special exception has value of " << m_expected;
|
|
return ss.str();
|
|
}
|
|
};
|
|
|
|
#endif
|
|
|
|
using namespace Catch::Matchers;
|
|
|
|
TEST_CASE("String matchers", "[matchers]") {
|
|
REQUIRE_THAT(testStringForMatching(), Contains("string"));
|
|
REQUIRE_THAT(testStringForMatching(), Contains("string", Catch::CaseSensitive::No));
|
|
CHECK_THAT(testStringForMatching(), Contains("abc"));
|
|
CHECK_THAT(testStringForMatching(), Contains("aBC", Catch::CaseSensitive::No));
|
|
|
|
CHECK_THAT(testStringForMatching(), StartsWith("this"));
|
|
CHECK_THAT(testStringForMatching(), StartsWith("THIS", Catch::CaseSensitive::No));
|
|
CHECK_THAT(testStringForMatching(), EndsWith("substring"));
|
|
CHECK_THAT(testStringForMatching(), EndsWith(" SuBsTrInG", Catch::CaseSensitive::No));
|
|
}
|
|
|
|
TEST_CASE("Contains string matcher", "[.][failing][matchers]") {
|
|
CHECK_THAT(testStringForMatching(), Contains("not there", Catch::CaseSensitive::No));
|
|
CHECK_THAT(testStringForMatching(), Contains("STRING"));
|
|
}
|
|
|
|
TEST_CASE("StartsWith string matcher", "[.][failing][matchers]") {
|
|
CHECK_THAT(testStringForMatching(), StartsWith("This String"));
|
|
CHECK_THAT(testStringForMatching(), StartsWith("string", Catch::CaseSensitive::No));
|
|
}
|
|
|
|
TEST_CASE("EndsWith string matcher", "[.][failing][matchers]") {
|
|
CHECK_THAT(testStringForMatching(), EndsWith("Substring"));
|
|
CHECK_THAT(testStringForMatching(), EndsWith("this", Catch::CaseSensitive::No));
|
|
}
|
|
|
|
TEST_CASE("Equals string matcher", "[.][failing][matchers]") {
|
|
CHECK_THAT(testStringForMatching(), Equals("this string contains 'ABC' as a substring"));
|
|
CHECK_THAT(testStringForMatching(), Equals("something else", Catch::CaseSensitive::No));
|
|
}
|
|
|
|
TEST_CASE("Equals", "[matchers]") {
|
|
CHECK_THAT(testStringForMatching(), Equals("this string contains 'abc' as a substring"));
|
|
CHECK_THAT(testStringForMatching(),
|
|
Equals("this string contains 'ABC' as a substring", Catch::CaseSensitive::No));
|
|
}
|
|
|
|
// <regex> does not work in libstdc++ 4.8, so we have to enable these tests only when they
|
|
// are expected to pass and cannot have them in baselines
|
|
TEST_CASE("Regex string matcher -- libstdc++-4.8 workaround", "[matchers][approvals]") {
|
|
|
|
// This is fiiiine
|
|
// Taken from an answer at
|
|
// https://stackoverflow.com/questions/12530406/is-gcc-4-8-or-earlier-buggy-about-regular-expressions
|
|
#if (!defined(__GNUC__)) || \
|
|
(__cplusplus >= 201103L && \
|
|
(!defined(__GLIBCXX__) || (__cplusplus >= 201402L) || \
|
|
(defined(_GLIBCXX_REGEX_DFS_QUANTIFIERS_LIMIT) || \
|
|
defined(_GLIBCXX_REGEX_STATE_LIMIT) || \
|
|
(defined(_GLIBCXX_RELEASE) && \
|
|
_GLIBCXX_RELEASE > 4))))
|
|
|
|
REQUIRE_THAT(testStringForMatching(), Matches("this string contains 'abc' as a substring"));
|
|
REQUIRE_THAT(testStringForMatching(),
|
|
Matches("this string CONTAINS 'abc' as a substring", Catch::CaseSensitive::No));
|
|
REQUIRE_THAT(testStringForMatching(), Matches("^this string contains 'abc' as a substring$"));
|
|
REQUIRE_THAT(testStringForMatching(), Matches("^.* 'abc' .*$"));
|
|
REQUIRE_THAT(testStringForMatching(), Matches("^.* 'ABC' .*$", Catch::CaseSensitive::No));
|
|
#endif
|
|
|
|
REQUIRE_THAT(testStringForMatching2(), !Matches("this string contains 'abc' as a substring"));
|
|
}
|
|
|
|
TEST_CASE("Regex string matcher", "[matchers][.failing]") {
|
|
CHECK_THAT(testStringForMatching(), Matches("this STRING contains 'abc' as a substring"));
|
|
CHECK_THAT(testStringForMatching(), Matches("contains 'abc' as a substring"));
|
|
CHECK_THAT(testStringForMatching(), Matches("this string contains 'abc' as a"));
|
|
}
|
|
|
|
TEST_CASE("Matchers can be (AllOf) composed with the && operator", "[matchers][operators][operator&&]") {
|
|
CHECK_THAT(testStringForMatching(),
|
|
Contains("string") &&
|
|
Contains("abc") &&
|
|
Contains("substring") &&
|
|
Contains("contains"));
|
|
}
|
|
|
|
TEST_CASE("Matchers can be (AnyOf) composed with the || operator", "[matchers][operators][operator||]") {
|
|
CHECK_THAT(testStringForMatching(), Contains("string") || Contains("different") || Contains("random"));
|
|
CHECK_THAT(testStringForMatching2(), Contains("string") || Contains("different") || Contains("random"));
|
|
}
|
|
|
|
TEST_CASE("Matchers can be composed with both && and ||", "[matchers][operators][operator||][operator&&]") {
|
|
CHECK_THAT(testStringForMatching(), (Contains("string") || Contains("different")) && Contains("substring"));
|
|
}
|
|
|
|
TEST_CASE("Matchers can be composed with both && and || - failing",
|
|
"[matchers][operators][operator||][operator&&][.failing]") {
|
|
CHECK_THAT(testStringForMatching(), (Contains("string") || Contains("different")) && Contains("random"));
|
|
}
|
|
|
|
TEST_CASE("Matchers can be negated (Not) with the ! operator", "[matchers][operators][not]") {
|
|
CHECK_THAT(testStringForMatching(), !Contains("different"));
|
|
}
|
|
|
|
TEST_CASE("Matchers can be negated (Not) with the ! operator - failing",
|
|
"[matchers][operators][not][.failing]") {
|
|
CHECK_THAT(testStringForMatching(), !Contains("substring"));
|
|
}
|
|
|
|
TEST_CASE("Vector matchers", "[matchers][vector]") {
|
|
std::vector<int> v;
|
|
v.push_back(1);
|
|
v.push_back(2);
|
|
v.push_back(3);
|
|
|
|
std::vector<int> v2;
|
|
v2.push_back(1);
|
|
v2.push_back(2);
|
|
|
|
std::vector<int> empty;
|
|
|
|
SECTION("Contains (element)") {
|
|
CHECK_THAT(v, VectorContains(1));
|
|
CHECK_THAT(v, VectorContains(2));
|
|
}
|
|
SECTION("Contains (vector)") {
|
|
CHECK_THAT(v, Contains(v2));
|
|
v2.push_back(3); // now exactly matches
|
|
CHECK_THAT(v, Contains(v2));
|
|
|
|
CHECK_THAT(v, Contains(empty));
|
|
CHECK_THAT(empty, Contains(empty));
|
|
}
|
|
SECTION("Contains (element), composed") {
|
|
CHECK_THAT(v, VectorContains(1) && VectorContains(2));
|
|
}
|
|
|
|
SECTION("Equals") {
|
|
|
|
// Same vector
|
|
CHECK_THAT(v, Equals(v));
|
|
|
|
CHECK_THAT(empty, Equals(empty));
|
|
|
|
// Different vector with same elements
|
|
v2.push_back(3);
|
|
CHECK_THAT(v, Equals(v2));
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Vector matchers that fail", "[matchers][vector][.][failing]") {
|
|
std::vector<int> v;
|
|
v.push_back(1);
|
|
v.push_back(2);
|
|
v.push_back(3);
|
|
|
|
std::vector<int> v2;
|
|
v2.push_back(1);
|
|
v2.push_back(2);
|
|
|
|
std::vector<int> empty;
|
|
|
|
SECTION("Contains (element)") {
|
|
CHECK_THAT(v, VectorContains(-1));
|
|
CHECK_THAT(empty, VectorContains(1));
|
|
}
|
|
SECTION("Contains (vector)") {
|
|
CHECK_THAT(empty, Contains(v));
|
|
v2.push_back(4);
|
|
CHECK_THAT(v, Contains(v2));
|
|
}
|
|
|
|
SECTION("Equals") {
|
|
|
|
CHECK_THAT(v, Equals(v2));
|
|
CHECK_THAT(v2, Equals(v));
|
|
CHECK_THAT(empty, Equals(v));
|
|
CHECK_THAT(v, Equals(empty));
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Exception matchers that succeed", "[matchers][exceptions][!throws]") {
|
|
CHECK_THROWS_MATCHES(throws(1), SpecialException, ExceptionMatcher{1});
|
|
REQUIRE_THROWS_MATCHES(throws(2), SpecialException, ExceptionMatcher{2});
|
|
}
|
|
|
|
TEST_CASE("Exception matchers that fail", "[matchers][exceptions][!throws][.failing]") {
|
|
SECTION("No exception") {
|
|
CHECK_THROWS_MATCHES(doesNotThrow(), SpecialException, ExceptionMatcher{1});
|
|
REQUIRE_THROWS_MATCHES(doesNotThrow(), SpecialException, ExceptionMatcher{1});
|
|
}
|
|
SECTION("Type mismatch") {
|
|
CHECK_THROWS_MATCHES(throwsAsInt(1), SpecialException, ExceptionMatcher{1});
|
|
REQUIRE_THROWS_MATCHES(throwsAsInt(1), SpecialException, ExceptionMatcher{1});
|
|
}
|
|
SECTION("Contents are wrong") {
|
|
CHECK_THROWS_MATCHES(throws(3), SpecialException, ExceptionMatcher{1});
|
|
REQUIRE_THROWS_MATCHES(throws(4), SpecialException, ExceptionMatcher{1});
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Floating point matchers: float", "[matchers][floating-point]") {
|
|
SECTION("Margin") {
|
|
REQUIRE_THAT(1.f, WithinAbs(1.f, 0));
|
|
REQUIRE_THAT(0.f, WithinAbs(1.f, 1));
|
|
|
|
REQUIRE_THAT(0.f, !WithinAbs(1.f, 0.99f));
|
|
REQUIRE_THAT(0.f, !WithinAbs(1.f, 0.99f));
|
|
|
|
REQUIRE_THAT(0.f, WithinAbs(-0.f, 0));
|
|
REQUIRE_THAT(NAN, !WithinAbs(NAN, 0));
|
|
}
|
|
SECTION("ULPs") {
|
|
REQUIRE_THAT(1.f, WithinULP(1.f, 0));
|
|
|
|
REQUIRE_THAT(std::nextafter(1.f, 2.f), WithinULP(1.f, 1));
|
|
REQUIRE_THAT(std::nextafter(1.f, 0.f), WithinULP(1.f, 1));
|
|
REQUIRE_THAT(std::nextafter(1.f, 2.f), !WithinULP(1.f, 0));
|
|
|
|
REQUIRE_THAT(1.f, WithinULP(1.f, 0));
|
|
REQUIRE_THAT(-0.f, WithinULP(0.f, 0));
|
|
|
|
REQUIRE_THAT(NAN, !WithinULP(NAN, 123));
|
|
}
|
|
SECTION("Composed") {
|
|
REQUIRE_THAT(1.f, WithinAbs(1.f, 0.5) || WithinULP(1.f, 1));
|
|
REQUIRE_THAT(1.f, WithinAbs(2.f, 0.5) || WithinULP(1.f, 0));
|
|
|
|
REQUIRE_THAT(NAN, !(WithinAbs(NAN, 100) || WithinULP(NAN, 123)));
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Floating point matchers: double", "[matchers][floating-point]") {
|
|
SECTION("Margin") {
|
|
REQUIRE_THAT(1., WithinAbs(1., 0));
|
|
REQUIRE_THAT(0., WithinAbs(1., 1));
|
|
|
|
REQUIRE_THAT(0., !WithinAbs(1., 0.99));
|
|
REQUIRE_THAT(0., !WithinAbs(1., 0.99));
|
|
|
|
REQUIRE_THAT(NAN, !WithinAbs(NAN, 0));
|
|
}
|
|
SECTION("ULPs") {
|
|
REQUIRE_THAT(1., WithinULP(1., 0));
|
|
|
|
REQUIRE_THAT(std::nextafter(1., 2.), WithinULP(1., 1));
|
|
REQUIRE_THAT(std::nextafter(1., 0.), WithinULP(1., 1));
|
|
REQUIRE_THAT(std::nextafter(1., 2.), !WithinULP(1., 0));
|
|
|
|
REQUIRE_THAT(1., WithinULP(1., 0));
|
|
REQUIRE_THAT(-0., WithinULP(0., 0));
|
|
|
|
REQUIRE_THAT(NAN, !WithinULP(NAN, 123));
|
|
}
|
|
SECTION("Composed") {
|
|
REQUIRE_THAT(1., WithinAbs(1., 0.5) || WithinULP(2., 1));
|
|
REQUIRE_THAT(1., WithinAbs(2., 0.5) || WithinULP(1., 0));
|
|
|
|
REQUIRE_THAT(NAN, !(WithinAbs(NAN, 100) || WithinULP(NAN, 123)));
|
|
}
|
|
}
|
|
|
|
} } // namespace MatchersTests
|
|
|
|
#endif // CATCH_CONFIG_DISABLE_MATCHERS
|
|
|
|
#ifdef __clang__
|
|
#pragma clang diagnostic pop
|
|
#endif
|