package com.github.scribejava.core.utils;

import java.util.LinkedHashMap;

import java.util.HashMap;

import java.util.Map;

import org.junit.Assert;

import org.junit.Test;

public class MapUtilsTest {

@Test

public void shouldPrettyPrintMap() {

final Map<Integer, String> map = new LinkedHashMap<>();

map.put(1, "one");

map.put(2, "two");

map.put(3, "three");

map.put(4, "four");

Assert.assertEquals("{ 1 -> one , 2 -> two , 3 -> three , 4 -> four }", MapUtils.toString(map));

}

@Test

public void shouldHandleEmptyMap() {

final Map<Integer, String> map = new HashMap<>();

Assert.assertEquals("{}", MapUtils.toString(map));

}

@Test

public void shouldHandleNullInputs() {

Assert.assertEquals("", MapUtils.toString(null));

}

}