package medianofarrays_test

import (
	"math"
	"testing"

	"git.jxs.me/leetgo/medianofarrays"
	"github.com/stretchr/testify/require"
)

func TestEmpty(t *testing.T) {
	actual := medianofarrays.FindMedianSortedArrays([]int{}, []int{})
	require.InDelta(t, math.NaN(), actual, 0)
}

func TestRightEmpty(t *testing.T) {
	actual := medianofarrays.FindMedianSortedArrays([]int{1, 2, 3}, []int{})
	require.Equal(t, 2.0, actual)
}

func TestLeftEmpty(t *testing.T) {
	actual := medianofarrays.FindMedianSortedArrays([]int{4, 5, 6}, []int{})
	require.Equal(t, 5.0, actual)
}

func TestEven(t *testing.T) {
	actual := medianofarrays.FindMedianSortedArrays([]int{1, 3, 5}, []int{7, 11, 13})
	require.Equal(t, 6.0, actual)
}

func TestOverlap(t *testing.T) {
	actual := medianofarrays.FindMedianSortedArrays([]int{1, 7, 23}, []int{1, 7, 11, 17})
	require.Equal(t, 7.0, actual)
}

func TestExample1(t *testing.T) {
	actual := medianofarrays.FindMedianSortedArrays([]int{1, 2}, []int{3, 4})
	require.Equal(t, 2.5, actual)
}