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Enhance docs, add more tests in Bag (#5947)

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This commit is contained in:
Hardik Pawar
2024-10-23 12:31:26 +05:30
committed by GitHub
parent fef1f3ca44
commit 730eb5a5f6
2 changed files with 89 additions and 13 deletions
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56
src/test/java/com/thealgorithms/datastructures/bag/BagTest.java
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@@ -2,6 +2,7 @@ package com.thealgorithms.datastructures.bag;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import com.thealgorithms.datastructures.bags.Bag;
@@ -68,12 +69,12 @@ class BagTest {
}
@Test
void testContainsAfterRemoveOperation() {
void testContainsAfterAdditions() {
Bag<String> bag = new Bag<>();
bag.add("item1");
bag.add("item2");
assertTrue(bag.contains("item1"), "Bag should contain 'item1' before removal");
assertTrue(bag.contains("item2"), "Bag should contain 'item2' before removal");
assertTrue(bag.contains("item1"), "Bag should contain 'item1' after addition");
assertTrue(bag.contains("item2"), "Bag should contain 'item2' after addition");
}
@Test
@@ -106,6 +107,53 @@ class BagTest {
Bag<String> bag = new Bag<>();
bag.add("item1");
Iterator<String> iterator = bag.iterator();
org.junit.jupiter.api.Assertions.assertThrows(UnsupportedOperationException.class, iterator::remove, "Remove operation should throw UnsupportedOperationException");
assertThrows(UnsupportedOperationException.class, iterator::remove, "Remove operation should throw UnsupportedOperationException");
}
@Test
void testMultipleDuplicates() {
Bag<String> bag = new Bag<>();
bag.add("item1");
bag.add("item1");
bag.add("item1"); // Add three duplicates
assertEquals(3, bag.size(), "Bag size should be 3 after adding three duplicates");
assertTrue(bag.contains("item1"), "Bag should contain 'item1'");
}
@Test
void testLargeNumberOfElements() {
Bag<Integer> bag = new Bag<>();
for (int i = 0; i < 1000; i++) {
bag.add(i);
}
assertEquals(1000, bag.size(), "Bag should contain 1000 elements");
}
@Test
void testMixedTypeElements() {
Bag<Object> bag = new Bag<>();
bag.add("string");
bag.add(1);
bag.add(2.0);
assertTrue(bag.contains("string"), "Bag should contain a string");
assertTrue(bag.contains(1), "Bag should contain an integer");
assertTrue(bag.contains(2.0), "Bag should contain a double");
}
@Test
void testIteratorWithDuplicates() {
Bag<String> bag = new Bag<>();
bag.add("item1");
bag.add("item1");
bag.add("item2");
int count = 0;
for (String item : bag) {
assertTrue(item.equals("item1") || item.equals("item2"), "Item should be either 'item1' or 'item2'");
count++;
}
assertEquals(3, count, "Iterator should traverse all 3 items including duplicates");
}
}