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/*
* Created by Martin on 17/02/2017.
*
* 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)
*/
#define CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER
#include "catch.hpp"
#include <map>
#include <set>
TEST_CASE( "Character pretty printing" ){
SECTION("Specifically escaped"){
char tab = '\t';
char newline = '\n';
char carr_return = '\r';
char form_feed = '\f';
CHECK(tab == '\t');
CHECK(newline == '\n');
CHECK(carr_return == '\r');
CHECK(form_feed == '\f');
}
SECTION("General chars"){
char space = ' ';
CHECK(space == ' ');
char chars[] = {'a', 'z', 'A', 'Z'};
for (int i = 0; i < 4; ++i){
char c = chars[i];
REQUIRE(c == chars[i]);
}
}
SECTION("Low ASCII"){
char null_terminator = '\0';
CHECK(null_terminator == '\0');
for (int i = 2; i < 6; ++i){
char c = static_cast<char>(i);
REQUIRE(c == i);
}
}
}
TEST_CASE( "Capture and info messages" ) {
SECTION("Capture should stringify like assertions") {
int i = 2;
CAPTURE(i);
REQUIRE(true);
}
SECTION("Info should NOT stringify the way assertions do") {
int i = 3;
INFO(i);
REQUIRE(true);
}
}
TEST_CASE( "std::map is convertible string", "[toString]" ) {
SECTION( "empty" ) {
std::map<std::string, int> emptyMap;
REQUIRE( Catch::Detail::stringify( emptyMap ) == "{ }" );
}
SECTION( "single item" ) {
std::map<std::string, int> map = { { "one", 1 } };
REQUIRE( Catch::Detail::stringify( map ) == "{ { \"one\", 1 } }" );
}
SECTION( "several items" ) {
std::map<std::string, int> map = {
{ "abc", 1 },
{ "def", 2 },
{ "ghi", 3 }
};
REQUIRE( Catch::Detail::stringify( map ) == "{ { \"abc\", 1 }, { \"def\", 2 }, { \"ghi\", 3 } }" );
}
}
TEST_CASE( "std::set is convertible string", "[toString]" ) {
SECTION( "empty" ) {
std::set<std::string> emptySet;
REQUIRE( Catch::Detail::stringify( emptySet ) == "{ }" );
}
SECTION( "single item" ) {
std::set<std::string> set = { "one" };
REQUIRE( Catch::Detail::stringify( set ) == "{ \"one\" }" );
}
SECTION( "several items" ) {
std::set<std::string> set = { "abc", "def", "ghi" };
REQUIRE( Catch::Detail::stringify( set ) == "{ \"abc\", \"def\", \"ghi\" }" );
}
}
TEST_CASE("Static arrays are convertible to string", "[toString]") {
SECTION("Single item") {
int singular[1] = { 1 };
REQUIRE(Catch::Detail::stringify(singular) == "{ 1 }");
}
SECTION("Multiple") {
int arr[3] = { 3, 2, 1 };
REQUIRE(Catch::Detail::stringify(arr) == "{ 3, 2, 1 }");
}
SECTION("Non-trivial inner items") {
std::vector<std::string> arr[2] = { {"1:1", "1:2", "1:3"}, {"2:1", "2:2"} };
REQUIRE(Catch::Detail::stringify(arr) == R"({ { "1:1", "1:2", "1:3" }, { "2:1", "2:2" } })");
}
}
#ifdef CATCH_CONFIG_CPP17_STRING_VIEW
TEST_CASE("String views are stringified like other strings", "[toString][approvals]") {
std::string_view view{"abc"};
CHECK(Catch::Detail::stringify(view) == R"("abc")");
std::string_view arr[] { view };
CHECK(Catch::Detail::stringify(arr) == R"({ "abc" })");
}
#endif
namespace {
struct WhatException : std::exception {
char const* what() const noexcept override {
return "This exception has overridden what() method";
}
~WhatException() override;
};
struct OperatorException : std::exception {
~OperatorException() override;
};
std::ostream& operator<<(std::ostream& out, OperatorException const&) {
out << "OperatorException";
return out;
}
struct StringMakerException : std::exception {
~StringMakerException() override;
};
} // end anonymous namespace
namespace Catch {
template <>
struct StringMaker<StringMakerException> {
static std::string convert(StringMakerException const&) {
return "StringMakerException";
}
};
}
// Avoid -Wweak-tables
WhatException::~WhatException() = default;
OperatorException::~OperatorException() = default;
StringMakerException::~StringMakerException() = default;
TEST_CASE("Exception as a value (e.g. in REQUIRE_THROWS_MATCHES) can be stringified", "[toString][exception]") {
REQUIRE(::Catch::Detail::stringify(WhatException{}) == "This exception has overridden what() method");
REQUIRE(::Catch::Detail::stringify(OperatorException{}) == "OperatorException");
REQUIRE(::Catch::Detail::stringify(StringMakerException{}) == "StringMakerException");
}
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