FlatMapTest.cpp

//
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//   Copyright Jaroslav Pevno, JPLSpatial is offered under the terms of the ISC license:
//
//   Permission to use, copy, modify, and/or distribute this software for any purpose with or
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#include "JPLSpatial/Containers/FlatMap.h"

#include <gtest/gtest.h>


namespace JPL
{
	TEST(FlatMap, TinyTest)
	{
		FlatMap<int, int> fm;
		fm.emplace(1, 10);
		fm.emplace(2, 20);
		fm.emplace(3, 30);

		auto it0 = fm.begin(), it2 = it0 + 2;

		EXPECT_EQ((it2 - it0), 2);
		EXPECT_TRUE((it0 < it2) && !(it2 < it0));

		auto [k, v] = *it2;
		EXPECT_TRUE(k == 3 && v == 30);

		it0->second = 99;
		EXPECT_EQ(fm.at(1), 99);

		fm.erase(it0);
		EXPECT_EQ(fm.begin()->second, 20);
	}
} // namespace JPL