72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
#include <doctest/doctest.h>
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DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN
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#include <vector>
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DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_END
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// =================================================================================================
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// NORMAL TEMPLATED TEST CASES
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// =================================================================================================
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TEST_CASE_TEMPLATE("signed integers stuff", T, signed char, short, int) {
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T var = T();
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--var;
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CHECK(var == -1);
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}
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// teach the library how to stringify this type - otherwise <> will be used
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TYPE_TO_STRING(std::vector<int>);
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TEST_CASE_TEMPLATE("vector stuff", T, std::vector<int>) {
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T vec(10);
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CHECK(vec.size() == 20); // will fail
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}
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// =================================================================================================
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// NAMED TEMPLATED TEST CASES WITH DEFERRED INSTANTIATION
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// =================================================================================================
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TEST_CASE_TEMPLATE_DEFINE("default construction", T, test_id) {
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T var = T();
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CHECK(doctest::Approx(var) == T());
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}
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TEST_CASE_TEMPLATE_INVOKE(test_id, signed char, short, int);
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TEST_CASE_TEMPLATE_INVOKE(test_id, double, double); // note that types won't be filtered for uniqueness
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TEST_CASE_TEMPLATE_APPLY(test_id, std::tuple<unsigned char, char>);
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// =================================================================================================
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// MULTIPLE TYPES AS PARAMETERS
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// =================================================================================================
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template <typename first, typename second>
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struct TypePair
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{
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typedef first A;
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typedef second B;
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};
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TEST_CASE_TEMPLATE("multiple types", T, TypePair<int, char>, TypePair<char, int>, TypePair<bool, int>) {
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typedef typename T::A T1;
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typedef typename T::B T2;
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T1 t1 = T1();
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T2 t2 = T2();
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// use T1 and T2 types
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CHECK(t1 == T1());
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CHECK(t2 != T2());
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}
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// currently the string result will be "int_pair" instead of "TypePair<int, int>" because of the way the type stringification works
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typedef TypePair<int, int> int_pair;
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TYPE_TO_STRING(int_pair);
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TEST_CASE_TEMPLATE("bad stringification of type pair", T, int_pair) {
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typedef typename T::A T1;
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typedef typename T::B T2;
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T1 t1 = T1();
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T2 t2 = T2();
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// use T1 and T2 types
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CHECK(t1 == T1());
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CHECK(t2 != T2());
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}
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