package jxutils

import (
	"fmt"
	"testing"
)

func TestEarthDistance(t *testing.T) {
	lat1, lng1 := 32.060255, 118.796877
	lat2, lng2 := 39.904211, 116.407395
	distance := EarthDistance(lat1, lng1, lat2, lng2)
	fmt.Print(distance)
}

func TestMapValue2Scope(t *testing.T) {
	result := MapValue2Scope(-4, -10, 0, 0, 100)
	if result != 60 {
		t.Fatalf("result:%d is wrong", result)
	}

	result = MapValue2Scope(-4, 0, 10, 0, 100)
	if result != 0 {
		t.Fatalf("result:%d is wrong", result)
	}

	result = MapValue2Scope(100, 0, 10, 0, 100)
	if result != 100 {
		t.Fatalf("result:%d is wrong", result)
	}
}