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Create SimpleSortTest (#3784)

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Hyun 2022-12-03 22:25:00 +09:00 committed by GitHub
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src/test/java/com/thealgorithms/sorts/SimpleSortTest.java Normal file
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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);
}
}