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[BAEL-4715] Java HashMap Load Factor

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[BAEL-4715] Java HashMap Load Factor
This commit is contained in:
MeenaGawande 2021-01-20 11:29:38 +05:30
parent 7e91f30534
commit d3156e1034
1 changed files with 49 additions and 0 deletions
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core-java-modules/core-java-collections-maps-3/src/test/java/com/baeldung/map/hashmap/loadfactor/HashMapLoadFactorUnitTest.java Normal file
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package com.baeldung.map.hashmap.loadfactor;
import java.util.HashMap;
import java.util.Map;
import org.junit.Assert;
import org.junit.jupiter.api.Test;
public class HashMapLoadFactorUnitTest {
@Test
public void whenCreateMapWithDefaultParam_thenSucces() {
Map<String, String> mapWithDefaultParams = new HashMap<String, String>();
mapWithDefaultParams.put("1", "One");
mapWithDefaultParams.put("2", "two");
mapWithDefaultParams.put("3", "three");
mapWithDefaultParams.put("4", "four");
mapWithDefaultParams.put("5", "five");
Assert.assertEquals(5, mapWithDefaultParams.size());
}
@Test
public void whenCreateMapWithInitialCapacity_thenSucces() {
Map<String, String> mapWithInitialCapacity = new HashMap<String, String>(5);
mapWithInitialCapacity.put("1", "One");
mapWithInitialCapacity.put("2", "two");
mapWithInitialCapacity.put("3", "three");
Assert.assertEquals(3, mapWithInitialCapacity.size());
}
@Test
public void whenCreateMapWithInitialCapacityAndLF_thenSucces() {
Map<String, String> mapWithInitialCapacityAndLF = new HashMap<String, String>(5, 0.5f);
mapWithInitialCapacityAndLF.put("1", "one");
mapWithInitialCapacityAndLF.put("2", "two");
mapWithInitialCapacityAndLF.put("3", "three");
mapWithInitialCapacityAndLF.put("4", "four");
mapWithInitialCapacityAndLF.put("5", "five");
mapWithInitialCapacityAndLF.put("6", "six");
mapWithInitialCapacityAndLF.put("7", "seven");
mapWithInitialCapacityAndLF.put("8", "eight");
mapWithInitialCapacityAndLF.put("9", "nine");
mapWithInitialCapacityAndLF.put("10", "ten");
Assert.assertEquals(10, mapWithInitialCapacityAndLF.size());
}
}