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refactor: TwoPointers (#5380)

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This commit is contained in:
Alex Klymenko
2024-08-25 08:29:17 +02:00
committed by GitHub
parent b231a72d44
commit 38688440ef
2 changed files with 50 additions and 28 deletions
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50
src/test/java/com/thealgorithms/others/TwoPointersTest.java
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@ -8,37 +8,65 @@ import org.junit.jupiter.api.Test;
public class TwoPointersTest {
@Test
void twoPointersFirstTestCase() {
void testPositivePairExists() {
int[] arr = {2, 6, 9, 22, 121};
int key = 28;
assertTrue(TwoPointers.isPairedSum(arr, key));
}
@Test
void twoPointersSecondTestCase() {
int[] arr = {-1, -12, 12, 0, 8};
void testNegativePairExists() {
int[] arr = {-12, -1, 0, 8, 12};
int key = 0;
assertTrue(TwoPointers.isPairedSum(arr, key));
}
@Test
void twoPointersThirdTestCase() {
int[] arr = {12, 35, 12, 152, 0};
void testPairDoesNotExist() {
int[] arr = {0, 12, 12, 35, 152};
int key = 13;
assertFalse(TwoPointers.isPairedSum(arr, key));
}
@Test
void twoPointersFourthTestCase() {
int[] arr = {-2, 5, -1, 52, 31};
int key = -3;
void testNegativeSumPair() {
int[] arr = {-10, -3, 1, 2, 5, 9};
int key = -8;
assertTrue(TwoPointers.isPairedSum(arr, key));
}
@Test
void twoPointersFiftiethTestCase() {
int[] arr = {25, 1, 0, 61, 21};
int key = 12;
void testPairDoesNotExistWithPositiveSum() {
int[] arr = {1, 2, 3, 4, 5};
int key = 10;
assertFalse(TwoPointers.isPairedSum(arr, key));
}
@Test
void testEmptyArray() {
int[] arr = {};
int key = 5;
assertFalse(TwoPointers.isPairedSum(arr, key));
}
@Test
void testSingleElementArray() {
int[] arr = {5};
int key = 5;
assertFalse(TwoPointers.isPairedSum(arr, key));
}
@Test
void testArrayWithDuplicateElements() {
int[] arr = {1, 1, 3, 5, 5};
int key = 6;
assertTrue(TwoPointers.isPairedSum(arr, key));
}
@Test
void testPairExistsAtEdges() {
int[] arr = {1, 3, 4, 7, 8};
int key = 9;
assertTrue(TwoPointers.isPairedSum(arr, key));
}
}