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Minor changes following review

This commit is contained in:
Alex Theedom 2016-08-02 19:37:55 +01:00
parent 8e203dd204
commit 5a305a25ae
2 changed files with 45 additions and 57 deletions
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32
core-java/src/test/java/org/baeldung/java/arrays/ArraysJoinAndSplitJUnitTest.java
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@ -6,39 +6,39 @@ import org.junit.Assert;
import org.junit.Test;
public class ArraysJoinAndSplitJUnitTest {
private final String[] sauces = {"Marinara", "Olive Oil"};
private final String[] cheeses = {"Mozzarella", "Feta", "Parmesan"};
private final String[] vegetables = {"Olives", "Spinach", "Green Peppers"};
private final String[] customers = {"Jay", "Harry", "Ronnie", "Gary", "Ross"};
@Test
public void givenThreeStringArrays_whenJoiningIntoOneStringArray_ShouldSucceed() throws Exception {
public void givenThreeStringArrays_whenJoiningIntoOneStringArray_shouldSucceed() {
String[] toppings = new String[sauces.length + cheeses.length + vegetables.length];
System.arraycopy(sauces, 0, toppings, 0, sauces.length);
int AddedSoFar = sauces.length;
System.arraycopy(cheeses, 0, toppings, AddedSoFar, cheeses.length);
AddedSoFar += cheeses.length;
System.arraycopy(vegetables, 0, toppings, AddedSoFar, vegetables.length);
Assert.assertArrayEquals(toppings,
new String[] {"Marinara", "Olive Oil", "Mozzarella", "Feta",
"Parmesan", "Olives", "Spinach", "Green Peppers"} );
new String[]{"Marinara", "Olive Oil", "Mozzarella", "Feta",
"Parmesan", "Olives", "Spinach", "Green Peppers"});
}
private final String[] customers = {"Jay", "Harry", "Ronnie", "Gary", "Ross"};
@Test
public void givenOneStringArray_whenSplittingInHalfTwoStringArrays_ShouldSucceed() throws Exception {
public void givenOneStringArray_whenSplittingInHalfTwoStringArrays_shouldSucceed() {
int ordersHalved = (customers.length / 2) + (customers.length % 2);
String[] driverOne = Arrays.copyOf(customers, ordersHalved);
String[] driverTwo = Arrays.copyOfRange(customers, ordersHalved, customers.length);
Assert.assertArrayEquals(driverOne, new String[] {"Jay", "Harry", "Ronnie"} );
Assert.assertArrayEquals(driverTwo, new String[] {"Gary", "Ross"} );
Assert.assertArrayEquals(driverOne, new String[]{"Jay", "Harry", "Ronnie"});
Assert.assertArrayEquals(driverTwo, new String[]{"Gary", "Ross"});
}
}

70
core-java/src/test/java/org/baeldung/java/collections/CollectionsJoinAndSplitJUnitTest.java
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@ -1,53 +1,42 @@
package org.baeldung.java.collections;
import java.util.ArrayList;
import java.util.Collections;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class CollectionsJoinAndSplitJUnitTest {
public ArrayList<String> sauces = new ArrayList<String>();
public ArrayList<String> cheeses = new ArrayList<String>();
public ArrayList<String> vegetables = new ArrayList<String>();
public ArrayList<ArrayList<String>> ingredients = new ArrayList<ArrayList<String>>();
private ArrayList<String> sauces = new ArrayList<>();
private ArrayList<String> cheeses = new ArrayList<>();
private ArrayList<String> vegetables = new ArrayList<>();
public CollectionsJoinAndSplitJUnitTest() throws Exception {
whenGeneratingTestData_ShouldSucceed();
}
private ArrayList<ArrayList<String>> ingredients = new ArrayList<>();
@Test
public void whenGeneratingTestData_ShouldSucceed() throws Exception {
sauces.clear();
@Before
public void init() {
sauces.add("Olive Oil");
sauces.add("Marinara");
cheeses.clear();
cheeses.add("Mozarella");
cheeses.add("Mozzarella");
cheeses.add("Feta");
cheeses.add("Parmesan");
vegetables.clear();
vegetables.add("Olives");
vegetables.add("Spinach");
vegetables.add("Green Peppers");
ingredients.clear();
ingredients.add(sauces);
ingredients.add(cheeses);
ingredients.add(vegetables);
Assert.assertTrue(sauces.size() == 2);
Assert.assertTrue(cheeses.size() == 3);
Assert.assertTrue(vegetables.size() == 3);
Assert.assertTrue(ingredients.size() == 3);
}
@Test
public void givenThreeArrayLists_whenJoiningIntoOneArrayList_ShouldSucceed() throws Exception {
ArrayList<ArrayList<String>> toppings = new ArrayList<ArrayList<String>>();
public void givenThreeArrayLists_whenJoiningIntoOneArrayList_shouldSucceed() {
ArrayList<ArrayList<String>> toppings = new ArrayList<>();
toppings.add(sauces);
toppings.add(cheeses);
toppings.add(vegetables);
@ -57,18 +46,17 @@ public class CollectionsJoinAndSplitJUnitTest {
Assert.assertTrue(toppings.contains(cheeses));
Assert.assertTrue(toppings.contains(vegetables));
}
@Test
public void givenOneArrayList_whenSplittingIntoTwoArrayLists_shouldSucceed() throws Exception {
ArrayList<ArrayList<String>> toppings = ingredients;
ArrayList<ArrayList<String>> removedToppings = new ArrayList<ArrayList<String>>();
removedToppings.add(toppings.remove(toppings.indexOf(vegetables)));
Assert.assertTrue(removedToppings.contains(vegetables));
Assert.assertTrue(removedToppings.size() == 1);
Assert.assertTrue(toppings.size() == 2);
Assert.assertTrue(toppings.contains(sauces));
Assert.assertTrue(toppings.contains(cheeses));
}
@Test
public void givenOneArrayList_whenSplittingIntoTwoArrayLists_shouldSucceed() {
ArrayList<ArrayList<String>> removedToppings = new ArrayList<>();
removedToppings.add(ingredients.remove(ingredients.indexOf(vegetables)));
Assert.assertTrue(removedToppings.contains(vegetables));
Assert.assertTrue(removedToppings.size() == 1);
Assert.assertTrue(ingredients.size() == 2);
Assert.assertTrue(ingredients.contains(sauces));
Assert.assertTrue(ingredients.contains(cheeses));
}
}