catch2/projects/SelfTest/MatchersTests.cpp

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/*
* 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"
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";
}
using namespace Catch::Matchers;
TEST_CASE("String matchers", "[matchers]" )
{
REQUIRE_THAT( testStringForMatching(), Contains( "string" ) );
CHECK_THAT( testStringForMatching(), Contains( "abc" ) );
CHECK_THAT( testStringForMatching(), StartsWith( "this" ) );
CHECK_THAT( testStringForMatching(), EndsWith( "substring" ) );
}
TEST_CASE("Contains string matcher", "[.][failing][matchers]")
{
CHECK_THAT( testStringForMatching(), Contains( "not there" ) );
}
TEST_CASE("StartsWith string matcher", "[.][failing][matchers]")
{
CHECK_THAT( testStringForMatching(), StartsWith( "string" ) );
}
TEST_CASE("EndsWith string matcher", "[.][failing][matchers]")
{
CHECK_THAT( testStringForMatching(), EndsWith( "this" ) );
}
TEST_CASE("Equals string matcher", "[.][failing][matchers]")
{
CHECK_THAT( testStringForMatching(), Equals( "something else" ) );
}
TEST_CASE("AllOf matcher", "[matchers]")
{
CHECK_THAT( testStringForMatching(), AllOf( Catch::Contains( "string" ), Catch::Contains( "abc" ) ) );
}
TEST_CASE("AnyOf matcher", "[matchers]")
{
CHECK_THAT( testStringForMatching(), AnyOf( Catch::Contains( "string" ), Catch::Contains( "not there" ) ) );
CHECK_THAT( testStringForMatching(), AnyOf( Catch::Contains( "not there" ), Catch::Contains( "string" ) ) );
}
TEST_CASE("Equals", "[matchers]")
{
CHECK_THAT( testStringForMatching(), Equals( "this string contains 'abc' as a substring" ) );
}
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( "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 ) );
}
}