// -*- c++ -*-
// Distributed under the BSD 2-Clause License.
// See accompanying file LICENSE for details.
#include <uunit.h>

#include "pointerlist.h"

class PointerListTest
	: public uUnit
{
public:
	PointerListTest()
	{
		uTEST(PointerListTest::test_zom_push);
		uTEST(PointerListTest::test_zom_from_args);
	}

	void test_zom_push()
	{
		using namespace std::string_literals;

		{ // Zero
			PointerList args;
			uASSERT_EQUAL(0u, args.size());
			auto [argc, argv] = args.get();
			uASSERT_EQUAL(0, argc);
			uASSERT_EQUAL(nullptr, argv);
		}

		{ // One
			PointerList args;
			args.push_back("hello");
			uASSERT_EQUAL(1u, args.size());
			auto [argc, argv] = args.get();
			uASSERT_EQUAL(1, argc);
			uASSERT_EQUAL("hello"s, std::string(argv[0]));
		}

		{ // Many
			PointerList args;
			args.push_back("hello");
			args.push_back("dear");
			args.push_back("world");
			uASSERT_EQUAL(3u, args.size());
			auto [argc, argv] = args.get();
			uASSERT_EQUAL(3, argc);
			uASSERT_EQUAL("hello"s, std::string(argv[0]));
			uASSERT_EQUAL("dear"s, std::string(argv[1]));
			uASSERT_EQUAL("world"s, std::string(argv[2]));
		}
	}

	void test_zom_from_args()
	{
		using namespace std::string_literals;

		{ // Zero
			PointerList args(0, nullptr);
			uASSERT_EQUAL(0u, args.size());
			auto [argc, argv] = args.get();
			uASSERT_EQUAL(0, argc);
			uASSERT_EQUAL(nullptr, argv);
		}

		{ // One
			int _argc{1};
			const char* _argv[] = { "hello" };
			PointerList args(_argc, _argv);
			uASSERT_EQUAL(1u, args.size());
			auto [argc, argv] = args.get();
			uASSERT_EQUAL(1, argc);
			uASSERT_EQUAL("hello"s, std::string(argv[0]));
		}

		{ // Many
			int _argc{3};
			const char* _argv[] = { "hello", "dear", "world" };
			PointerList args(_argc, _argv);
			uASSERT_EQUAL(3u, args.size());
			auto [argc, argv] = args.get();
			uASSERT_EQUAL(3, argc);
			uASSERT_EQUAL("hello"s, std::string(argv[0]));
			uASSERT_EQUAL("dear"s, std::string(argv[1]));
			uASSERT_EQUAL("world"s, std::string(argv[2]));
		}
	}
};

// Registers the fixture into the 'registry'
static PointerListTest test;