/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/

#include <catch2/catch_all.hpp>

#include "Data/Containers/String.hpp"

using namespace OpenVulkano;

TEST_CASE("String")
{
	SECTION("Constructors")
	{
		String str1;
		REQUIRE(str1 == "");

		String str2("Hello");
		REQUIRE(str2 == "Hello");

		String str3(std::string("World"));
		REQUIRE(str3 == "World");

		String str4(str2);
		REQUIRE(str4 == "Hello");

		String str5(std::move(str3));
		REQUIRE(str5 == "World");
	}

	SECTION("Assignment")
	{
		String str1;
		str1 = "Hello";
		REQUIRE(str1 == "Hello");

		String str2;
		str2 = std::string("World");
		REQUIRE(str2 == "World");

		String str3;
		str3 = str1;
		REQUIRE(str3 == "Hello");

		String str4;
		str4 = std::move(str2);
		REQUIRE(str4 == "World");
	}

	SECTION("Concatenation")
	{
		String str1("Hello");
		str1 += " World";
		REQUIRE(str1 == "Hello World");

		String str2("Hello");
		String str3 = str2 + " World";
		REQUIRE(str3 == "Hello World");

		String str4("Hello");
		str4 += std::string(" World");
		REQUIRE(str4 == "Hello World");

		String str5("Hello");
		String str6 = str5 + std::string(" World");
		REQUIRE(str6 == "Hello World");

		String str7("Hello");
		str7 += String(" World");
		REQUIRE(str7 == "Hello World");

		String str8("Hello");
		String str9 = str8 + String(" World");
		REQUIRE(str9 == "Hello World");

		String str10 = String("Hello") + " World";
		REQUIRE(str10 == "Hello World");

		String str11 = String("Hello") + std::string(" World");
		REQUIRE(str11 == "Hello World");

		String str12 = std::string("Hello") + String(" World");
		REQUIRE(str12 == "Hello World");
	}

	SECTION("Comparison")
	{
		String str1("Hello");
		REQUIRE(str1 == "Hello");
		REQUIRE(str1 != "World");

		String str2("World");
		REQUIRE(str2 == "World");
		REQUIRE(str2 != "Hello");
	}

	SECTION("Trim")
	{
		String str1("  Hello World  ");
		REQUIRE(str1.Trim() == "Hello World");
	}

	SECTION("FindIndex")
	{
		String str1("Georg will save us all from our doom");
		REQUIRE(str1.FindStartIndexOf("save") == 11);
	}

	SECTION("Upper/Lower")
	{
		String str1("Hello World");
		str1.ToUpper();
		REQUIRE(str1 == "HELLO WORLD");

		String str2("Hello World");
		str2.ToLower();
		REQUIRE(str2 == "hello world");
	}

	SECTION("Substring")
	{
		String str1("Hello World");
		REQUIRE(str1.SubString(0, 5) == "Hello");
		REQUIRE(str1.SubString(6, 11) == "World");
	}

	SECTION("FromString")
	{
		String str1("42");
		REQUIRE(str1.FromString<int>() == 42);

		String str2("42.42");
		REQUIRE(str2.FromString<float>() == 42.42f);
	}

	SECTION("StartsWith")
	{
		String str1("Hello World");
		REQUIRE(str1.StartsWith("Hello"));
		REQUIRE(!str1.StartsWith("World"));
	}

	SECTION("EndsWith")
	{
		String str1("Hello World");
		REQUIRE(str1.EndsWith("World"));
		REQUIRE(!str1.EndsWith("Hello"));
	}

	SECTION("Contains")
	{
		String str1("Hello World");
		REQUIRE(str1.Contains("Hello"));
		REQUIRE(str1.Contains("World"));
		REQUIRE(!str1.Contains("Georg"));
	}

	SECTION("FindEndIndexOf")
	{
		String str1("Georg will save us all from our doom");
		REQUIRE(str1.FindEndIndexOf("save") == 11);
	}

	SECTION("TrimFront")
	{
		String str1("  Hello World");
		REQUIRE(str1.TrimFront() == "Hello World");
	}

	SECTION("TrimBack")
	{
		String str1("Hello World  ");
		REQUIRE(str1.TrimBack() == "Hello World");
	}

	SECTION("Empty")
	{
		String str1;
		REQUIRE(str1.Empty());
		REQUIRE(!str1);

		String str2("Hello World");
		REQUIRE(!str2.Empty());
		REQUIRE(!!str2);
	}

	SECTION("Size")
	{
		String str1("Hello World");
		REQUIRE(str1.Size() == 11);
	}

	SECTION("Capacity")
	{
		String str1("Hello World");
		REQUIRE(str1.Capacity() >= 11);
	}

	SECTION("CharCount")
	{
		String str1("Hello World");
		REQUIRE(str1.CharCount() == 11);
	}

	SECTION("PopBack")
	{
		String str1("Hello World");
		str1.PopBack();
		REQUIRE(str1 == "Hello Worl");
	}

	SECTION("Clear")
	{
		String str1("Hello World");
		str1.Clear();
		REQUIRE(str1.Empty());
	}

	SECTION("ShrinkToFit")
	{
		String str1("Hello World");
		str1.ShrinkToFit();
		REQUIRE(str1.Capacity() == 15); // 11 + 4 null terminators due to sso
	}
}