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Merged
merged 4 commits into from
Jun 24, 2022
Merged

Add quick sort tests #3165

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2db7092
Create QuickSortTest.java
itsAkshayDubey Jun 23, 2022
8dff1ef
Add unit tests to QuickSortTest.java
itsAkshayDubey Jun 23, 2022
2c33a84
fix: Remove main method from QuickSort.java
itsAkshayDubey Jun 23, 2022
f75c6aa
Merge branch 'master' into add-quick-sort-tests
siriak Jun 24, 2022
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Add unit tests to QuickSortTest.java
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@itsAkshayDubey
itsAkshayDubey committed Jun 23, 2022
commit 8dff1ef0ae312f0e07cf6e45ee6548141e8dbfe6
64 changes: 64 additions & 0 deletions src/test/java/com/thealgorithms/sorts/QuickSortTest.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,69 @@
package com.thealgorithms.sorts;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;

import org.junit.jupiter.api.Test;

/**
* @author Akshay Dubey (https://github.com/itsAkshayDubey)
* @see QuickSort
*/
class QuickSortTest {

private QuickSort quickSort = new QuickSort();

@Test
void quickSortEmptyArrayShouldPass()
{
Integer[] array = {};
Integer[] sorted = quickSort.sort(array);
Integer[] expected = {};
assertArrayEquals(expected, sorted);
}

@Test
void quickSortSingleValueArrayShouldPass()
{
Integer[] array = {7};
Integer[] sorted = quickSort.sort(array);
Integer[] expected = {7};
assertArrayEquals(expected, sorted);
}

@Test
void quickSortWithIntegerArrayShouldPass()
{
Integer[] array = {49,4,36,9,144,1};
Integer[] sorted = quickSort.sort(array);
Integer[] expected = {1,4,9,36,49,144};
assertArrayEquals(expected, sorted);
}

@Test
void quickSortForArrayWithNegativeValuesShouldPass()
{
Integer[] array = {49,-36,-144,-49,1,9};
Integer[] sorted = quickSort.sort(array);
Integer[] expected = {-144,-49,-36,1,9,49};
assertArrayEquals(expected, sorted);
}

@Test
void quickSortForArrayWithDuplicateValuesShouldPass()
{
Integer[] array = {36,1,49,1,4,9};
Integer[] sorted = quickSort.sort(array);
Integer[] expected = {1,1,4,9,36,49};
assertArrayEquals(expected, sorted);
}

@Test
void quickSortWithStringArrayShouldPass()
{
String[] array = {"c", "a", "e", "b", "d"};
String[] sorted = quickSort.sort(array);
String[] expected = {"a","b","c","d","e"};
assertArrayEquals(expected, sorted);
}

}