scribe-java/src/test/java/org/scribe/utils/MapUtilsTest.java at master · malyem/scribe-java · GitHub

History

53 lines (43 loc) · 1.24 KB

Raw

package org.scribe.utils;

import static org.junit.Assert.*;

import java.util.*;

import org.junit.*;

public class MapUtilsTest

{

private Map<String, String> unsorted;

@Before

public void setup()

{

unsorted = new LinkedHashMap<String, String>();

unsorted.put("d", "fourth");

unsorted.put("a", "first");

unsorted.put("c", "third");

unsorted.put("b", "second");

}

@Test

public void shouldSortMap()

{

Map<String, String> sorted = MapUtils.sort(unsorted);

List<String> values = new ArrayList<String>(sorted.values());

assertEquals("first", values.get(0));

assertEquals("second", values.get(1));

assertEquals("third", values.get(2));

assertEquals("fourth", values.get(3));

}

@Test

public void shouldNotModifyTheOriginalMap()

{

Map<String, String> sorted = MapUtils.sort(unsorted);

assertNotSame(sorted, unsorted);

List<String> values = new ArrayList<String>(unsorted.values());

assertEquals("fourth", values.get(0));

assertEquals("first", values.get(1));

assertEquals("third", values.get(2));

assertEquals("second", values.get(3));

}

@Test(expected = IllegalArgumentException.class)

public void shouldThrowExceptionForNullMap()

{

MapUtils.sort(null);

}

scribe-java/src/test/java/org/scribe/utils/MapUtilsTest.java at master · malyem/scribe-java · GitHub

Expand file tree

Breadcrumbs

MapUtilsTest.java

Latest commit

History

Breadcrumbs

MapUtilsTest.java

File metadata and controls