diff --git a/src/test/java/com/thealgorithms/sorts/SimpleSortTest.java b/src/test/java/com/thealgorithms/sorts/SimpleSortTest.java new file mode 100644 index 000000000..a4654247c --- /dev/null +++ b/src/test/java/com/thealgorithms/sorts/SimpleSortTest.java @@ -0,0 +1,66 @@ +package com.thealgorithms.sorts; + +import static org.junit.jupiter.api.Assertions.assertArrayEquals; + +import org.junit.jupiter.api.Test; + +public class SimpleSortTest { + + private SimpleSort simpleSort = new SimpleSort(); + + @Test + public void simpleSortEmptyArray() { + Integer[] inputArray = {}; + Integer[] outputArray = simpleSort.sort(inputArray); + Integer[] expectedOutput = {}; + assertArrayEquals(outputArray, expectedOutput); + } + + @Test + public void simpleSortSingleIntegerArray() { + Integer[] inputArray = { 4 }; + Integer[] outputArray = simpleSort.sort(inputArray); + Integer[] expectedOutput = { 4 }; + assertArrayEquals(outputArray, expectedOutput); + } + + @Test + public void simpleSortSingleStringArray() { + String[] inputArray = { "s" }; + String[] outputArray = simpleSort.sort(inputArray); + String[] expectedOutput = { "s" }; + assertArrayEquals(outputArray, expectedOutput); + } + + @Test + public void simpleSortNonDuplicateIntegerArray() { + Integer[] inputArray = { 6, -1, 99, 27, -15, 23, -36 }; + Integer[] outputArray = simpleSort.sort(inputArray); + Integer[] expectedOutput = { -36, -15, -1, 6, 23, 27, 99}; + assertArrayEquals(outputArray, expectedOutput); + } + + @Test + public void simpleSortDuplicateIntegerArray() { + Integer[] inputArray = { 6, -1, 27, -15, 23, 27, -36, 23 }; + Integer[] outputArray = simpleSort.sort(inputArray); + Integer[] expectedOutput = { -36, -15, -1, 6, 23, 23, 27, 27}; + assertArrayEquals(outputArray, expectedOutput); + } + + @Test + public void simpleSortNonDuplicateStringArray() { + String[] inputArray = { "s", "b", "k", "a", "d", "c", "h" }; + String[] outputArray = simpleSort.sort(inputArray); + String[] expectedOutput = {"a", "b", "c", "d", "h", "k", "s" }; + assertArrayEquals(outputArray, expectedOutput); + } + + @Test + public void simpleSortDuplicateStringArray() { + String[] inputArray = { "s", "b", "d", "a", "d", "c", "h", "b" }; + String[] outputArray = simpleSort.sort(inputArray); + String[] expectedOutput = {"a", "b", "b", "c", "d", "d", "h", "s" }; + assertArrayEquals(outputArray, expectedOutput); + } +}