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finalized with adding @DisplayName to custom-set, darts, diamond, difference-of-squares #2997

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Merged
merged 3 commits into from
Sep 4, 2025
Merged

finalized with adding @DisplayName to custom-set, darts, diamond, difference-of-squares #2997

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a15e186
custom-set, darts, diamond, difference-of-squares
AtharvOps Sep 2, 2025
373fc98
Update exercises/practice/diamond/src/test/java/DiamondPrinterTest.java
AtharvOps Sep 3, 2025
d87e7ad
Merge branch 'main' into display6
jagdish-15 Sep 4, 2025
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41 changes: 41 additions & 0 deletions exercises/practice/custom-set/src/test/java/CustomSetTest.java
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import java.util.Arrays;
Expand All @@ -9,41 +10,47 @@
public class CustomSetTest {

@Test
@DisplayName("Returns true if the set contains no elements")
public void setsWithNoElementsAreEmpty() {
CustomSet<Integer> customSet = new CustomSet<>(Collections.emptyList());
assertThat(customSet.isEmpty()).isTrue();
}

@Disabled("Remove to run test")
@Test
@DisplayName("sets with elements are not empty")
public void setsWithElementsAreNotEmpty() {
CustomSet<Character> customSet = new CustomSet<>(Collections.singletonList('1'));
assertThat(customSet.isEmpty()).isFalse();
}

@Disabled("Remove to run test")
@Test
@DisplayName("nothing is contained in an empty set")
public void nothingIsContainedInAnEmptySet() {
CustomSet<String> customSet = new CustomSet<>(Collections.emptyList());
assertThat(customSet.contains("1")).isFalse();
}

@Disabled("Remove to run test")
@Test
@DisplayName("when the element is in the set")
public void whenTheElementIsInTheSet() {
CustomSet<Integer> customSet = new CustomSet<>(Arrays.asList(1, 2, 3));
assertThat(customSet.contains(1)).isTrue();
}

@Disabled("Remove to run test")
@Test
@DisplayName("when the element is not in the set")
public void whenTheElementIsNotInTheSet() {
CustomSet<Character> customSet = new CustomSet<>(Arrays.asList('1', '2', '3'));
assertThat(customSet.contains('4')).isFalse();
}

@Disabled("Remove to run test")
@Test
@DisplayName("empty set is a subset of another empty set")
public void emptySetIsASubsetOfAnotherEmptySet() {
CustomSet<String> customSet = new CustomSet<>(Collections.emptyList());
CustomSet<String> secondCustomSet = new CustomSet<>(Collections.emptyList());
Expand All @@ -52,6 +59,7 @@ public void emptySetIsASubsetOfAnotherEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("empty set is a subset of non-empty set")
public void emptySetIsASubsetOfNonEmptySet() {
CustomSet<Integer> customSet = new CustomSet<>(Collections.singletonList(1));
CustomSet<Integer> secondCustomSet = new CustomSet<>(Collections.emptyList());
Expand All @@ -60,6 +68,7 @@ public void emptySetIsASubsetOfNonEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("non-empty set is not a subset of empty set")
public void nonEmptySetIsNotASubsetOfEmptySet() {
CustomSet<Character> customSet = new CustomSet<>(Collections.emptyList());
CustomSet<Character> secondCustomSet = new CustomSet<>(Collections.singletonList('1'));
Expand All @@ -68,6 +77,7 @@ public void nonEmptySetIsNotASubsetOfEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("set is a subset of set with exact same elements")
public void setIsASubsetOfSetWithExactSameElements() {
CustomSet<String> customSet = new CustomSet<>(Arrays.asList("1", "2", "3"));
CustomSet<String> secondCustomSet = new CustomSet<>(Arrays.asList("1", "2", "3"));
Expand All @@ -76,6 +86,7 @@ public void setIsASubsetOfSetWithExactSameElements() {

@Disabled("Remove to run test")
@Test
@DisplayName("set is a subset of larger set with same elements")
public void setIsASubsetOfLargerSetWithSameElements() {
CustomSet<Integer> customSet = new CustomSet<>(Arrays.asList(4, 1, 2, 3));
CustomSet<Integer> secondCustomSet = new CustomSet<>(Arrays.asList(1, 2, 3));
Expand All @@ -84,6 +95,7 @@ public void setIsASubsetOfLargerSetWithSameElements() {

@Disabled("Remove to run test")
@Test
@DisplayName("set is not a subset of set that does not contain its elements")
public void setIsNotASubsetOfSetThatDoesNotContainItsElements() {
CustomSet<Character> customSet = new CustomSet<>(Arrays.asList('4', '1', '3'));
CustomSet<Character> secondCustomSet = new CustomSet<>(Arrays.asList('1', '2', '3'));
Expand All @@ -92,6 +104,7 @@ public void setIsNotASubsetOfSetThatDoesNotContainItsElements() {

@Disabled("Remove to run test")
@Test
@DisplayName("the empty set is disjoint with itself")
public void theEmptySetIsDisjointWithItself() {
CustomSet<String> customSet = new CustomSet<>(Collections.emptyList());
CustomSet<String> secondCustomSet = new CustomSet<>(Collections.emptyList());
Expand All @@ -100,6 +113,7 @@ public void theEmptySetIsDisjointWithItself() {

@Disabled("Remove to run test")
@Test
@DisplayName("empty set is disjoint with non-empty set")
public void emptySetIsDisjointWithNonEmptySet() {
CustomSet<Integer> customSet = new CustomSet<>(Collections.emptyList());
CustomSet<Integer> secondCustomSet = new CustomSet<>(Collections.singletonList(1));
Expand All @@ -108,6 +122,7 @@ public void emptySetIsDisjointWithNonEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("non-empty set is disjoint with empty set")
public void nonEmptySetIsDisjointWithEmptySet() {
CustomSet<Character> customSet = new CustomSet<>(Collections.singletonList('1'));
CustomSet<Character> secondCustomSet = new CustomSet<>(Collections.emptyList());
Expand All @@ -116,6 +131,7 @@ public void nonEmptySetIsDisjointWithEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("sets are not disjoint if they share an element")
public void setsAreNotDisjointIfTheyShareAnElement() {
CustomSet<String> customSet = new CustomSet<>(Arrays.asList("1", "2"));
CustomSet<String> secondCustomSet = new CustomSet<>(Arrays.asList("2", "3"));
Expand All @@ -124,6 +140,7 @@ public void setsAreNotDisjointIfTheyShareAnElement() {

@Disabled("Remove to run test")
@Test
@DisplayName("sets are disjoint if they share no elements")
public void setsAreDisjointIfTheyShareNoElements() {
CustomSet<Integer> customSet = new CustomSet<>(Arrays.asList(1, 2));
CustomSet<Integer> secondCustomSet = new CustomSet<>(Arrays.asList(3, 4));
Expand All @@ -132,6 +149,7 @@ public void setsAreDisjointIfTheyShareNoElements() {

@Disabled("Remove to run test")
@Test
@DisplayName("empty sets are equal")
public void emptySetsAreEqual() {
CustomSet<Character> customSet = new CustomSet<>(Collections.emptyList());
CustomSet<Character> secondCustomSet = new CustomSet<>(Collections.emptyList());
Expand All @@ -140,6 +158,7 @@ public void emptySetsAreEqual() {

@Disabled("Remove to run test")
@Test
@DisplayName("empty set is not equal to non-empty set")
public void emptySetIsNotEqualToNonEmptySet() {
CustomSet<String> customSet = new CustomSet<>(Collections.emptyList());
CustomSet<String> secondCustomSet = new CustomSet<>(Arrays.asList("1", "2", "3"));
Expand All @@ -148,6 +167,7 @@ public void emptySetIsNotEqualToNonEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("non-empty set is not equal to empty set")
public void nonEmptySetIsNotEqualToEmptySet() {
CustomSet<Integer> customSet = new CustomSet<>(Arrays.asList(1, 2, 3));
CustomSet<Integer> secondCustomSet = new CustomSet<>(Collections.emptyList());
Expand All @@ -156,6 +176,7 @@ public void nonEmptySetIsNotEqualToEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("sets with the same elements are equal")
public void setsWithTheSameElementsAreEqual() {
CustomSet<Character> customSet = new CustomSet<>(Arrays.asList('1', '2'));
CustomSet<Character> secondCustomSet = new CustomSet<>(Arrays.asList('2', '1'));
Expand All @@ -164,6 +185,7 @@ public void setsWithTheSameElementsAreEqual() {

@Disabled("Remove to run test")
@Test
@DisplayName("sets with different elements are not equal")
public void setsWithDifferentElementsAreNotEqual() {
CustomSet<String> customSet = new CustomSet<>(Arrays.asList("1", "2", "3"));
CustomSet<String> secondCustomSet = new CustomSet<>(Arrays.asList("1", "2", "4"));
Expand All @@ -172,6 +194,7 @@ public void setsWithDifferentElementsAreNotEqual() {

@Disabled("Remove to run test")
@Test
@DisplayName("set is not equal to larger set with same elements")
public void setIsNotEqualToLargerSetWithSameElements() {
CustomSet<String> customSet = new CustomSet<>(Arrays.asList("1", "2", "3"));
CustomSet<String> secondCustomSet = new CustomSet<>(Arrays.asList("1", "2", "3", "4"));
Expand All @@ -180,6 +203,7 @@ public void setIsNotEqualToLargerSetWithSameElements() {

@Disabled("Remove to run test")
@Test
@DisplayName("set is equal to a set constructed from an array with duplicates")
public void secondSetWithDuplicatesIsEqualToFirstSet() {
CustomSet<String> customSet = new CustomSet<>(Collections.singletonList("1"));
CustomSet<String> secondCustomSet = new CustomSet<>(Arrays.asList("1", "1"));
Expand All @@ -188,6 +212,7 @@ public void secondSetWithDuplicatesIsEqualToFirstSet() {

@Disabled("Remove to run test")
@Test
@DisplayName("difference removes all duplicates in the first set")
public void firstSetWithDuplicatesIsEqualToSecondSet() {
CustomSet<String> customSet = new CustomSet<>(Arrays.asList("1", "1"));
CustomSet<String> secondCustomSet = new CustomSet<>(Collections.singletonList("1"));
Expand All @@ -196,6 +221,7 @@ public void firstSetWithDuplicatesIsEqualToSecondSet() {

@Disabled("Remove to run test")
@Test
@DisplayName("add to empty set")
public void addToEmptySet() {
int element = 3;
CustomSet<Integer> expected = new CustomSet<>(Collections.unmodifiableList(Collections.singletonList(element)));
Expand All @@ -211,6 +237,7 @@ public void addToEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("add to non-empty set")
public void addToNonEmptySet() {
char element = '3';
CustomSet<Character> expected = new CustomSet<>(Collections.unmodifiableList(
Expand All @@ -226,6 +253,7 @@ public void addToNonEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("adding an existing element does not change the set")
public void addingAnExistingElementDoesNotChangeTheSet() {
String element = "3";
CustomSet<String> expected = new CustomSet<>(Collections.unmodifiableList(Arrays.asList("1", "2", "3")));
Expand All @@ -239,6 +267,7 @@ public void addingAnExistingElementDoesNotChangeTheSet() {

@Disabled("Remove to run test")
@Test
@DisplayName("intersection of two empty sets is an empty set")
public void intersectionOfTwoEmptySetsIsAnEmptySet() {
CustomSet<Integer> actual = new CustomSet<Integer>(Collections.emptyList())
.getIntersection(new CustomSet<>(Collections.emptyList()));
Expand All @@ -249,6 +278,7 @@ public void intersectionOfTwoEmptySetsIsAnEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("intersection of an empty set and non-empty set is an empty set")
public void intersectionOfAnEmptySetAndNonEmptySetIsAnEmptySet() {
CustomSet<Character> actual = new CustomSet<Character>(Collections.emptyList())
.getIntersection(new CustomSet<>(Arrays.asList('3', '2', '5')));
Expand All @@ -259,6 +289,7 @@ public void intersectionOfAnEmptySetAndNonEmptySetIsAnEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("intersection of a non-empty set and an empty set is an empty set")
public void intersectionOfANonEmptySetAndAnEmptySetIsAnEmptySet() {
CustomSet<String> actual = new CustomSet<>(Arrays.asList("1", "2", "3", "4"))
.getIntersection(new CustomSet<>(Collections.emptyList()));
Expand All @@ -270,6 +301,7 @@ public void intersectionOfANonEmptySetAndAnEmptySetIsAnEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("intersection of two sets with no shared elements is an empty set")
public void intersectionOfTwoSetsWithNoSharedElementsIsAnEmptySet() {
CustomSet<Integer> actual = new CustomSet<>(Arrays.asList(1, 2, 3))
.getIntersection(new CustomSet<>(Arrays.asList(4, 5, 6)));
Expand All @@ -280,6 +312,7 @@ public void intersectionOfTwoSetsWithNoSharedElementsIsAnEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("intersection of two sets with shared elements is a set of the shared elements")
public void intersectionOfTwoSetsWithSharedElementsIsASetOfTheSharedElements() {
CustomSet<Character> expected = new CustomSet<>(Collections.unmodifiableList(Arrays.asList('2', '3')));
CustomSet<Character> actual = new CustomSet<>(Arrays.asList('1', '2', '3', '4'))
Expand All @@ -292,6 +325,7 @@ public void intersectionOfTwoSetsWithSharedElementsIsASetOfTheSharedElements() {

@Disabled("Remove to run test")
@Test
@DisplayName("difference of two empty sets is an empty set")
public void differenceOfTwoEmptySetsIsAnEmptySet() {
CustomSet<String> actual = new CustomSet<String>(Collections.emptyList())
.getDifference(new CustomSet<>(Collections.emptyList()));
Expand All @@ -302,6 +336,7 @@ public void differenceOfTwoEmptySetsIsAnEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("difference of empty set and non-empty set is an empty set")
public void differenceOfAnEmptySetAndNonEmptySetIsAnEmptySet() {
CustomSet<Integer> actual = new CustomSet<Integer>(Collections.emptyList())
.getDifference(new CustomSet<>(Arrays.asList(3, 2, 5)));
Expand All @@ -312,6 +347,7 @@ public void differenceOfAnEmptySetAndNonEmptySetIsAnEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("difference of a non-empty set and an empty set is the non-empty set")
public void differenceOfANonEmptySetAndAnEmptySetIsTheNonEmptySet() {
CustomSet<Character> expected = new CustomSet<>(Collections.unmodifiableList(
Arrays.asList('1', '2', '3', '4')));
Expand All @@ -325,6 +361,7 @@ public void differenceOfANonEmptySetAndAnEmptySetIsTheNonEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("difference of two non-empty sets is a set of elements that are only in the first set")
public void differenceOfTwoNonEmptySetsIsASetOfElementsThatAreOnlyInTheFirstSet() {
CustomSet<String> expected = new CustomSet<>(Collections.unmodifiableList(Arrays.asList("1", "3")));
CustomSet<String> actual = new CustomSet<>(Arrays.asList("3", "2", "1"))
Expand All @@ -338,6 +375,7 @@ public void differenceOfTwoNonEmptySetsIsASetOfElementsThatAreOnlyInTheFirstSet(

@Disabled("Remove to run test")
@Test
@DisplayName("union of empty sets is an empty set")
public void unionOfTwoEmptySetsIsAnEmptySet() {
CustomSet<Integer> actual = new CustomSet<Integer>(Collections.emptyList())
.getUnion(new CustomSet<>(Collections.emptyList()));
Expand All @@ -348,6 +386,7 @@ public void unionOfTwoEmptySetsIsAnEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("union of an empty set and non-empty set is the non-empty set")
public void unionOfAnEmptySetAndNonEmptySetIsTheNonEmptySet() {
CustomSet<Character> expected = new CustomSet<>(Collections.unmodifiableList(Collections.singletonList('2')));
CustomSet<Character> actual = new CustomSet<Character>(Collections.emptyList())
Expand All @@ -360,6 +399,7 @@ public void unionOfAnEmptySetAndNonEmptySetIsTheNonEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("union of a non-empty set and empty set is the non-empty set")
public void unionOfANonEmptySetAndAnEmptySetIsTheNonEmptySet() {
CustomSet<String> expected = new CustomSet<>(Collections.unmodifiableList(Arrays.asList("1", "3")));
CustomSet<String> actual = new CustomSet<>(Arrays.asList("1", "3"))
Expand All @@ -372,6 +412,7 @@ public void unionOfANonEmptySetAndAnEmptySetIsTheNonEmptySet() {

@Disabled("Remove to run test")
@Test
@DisplayName("union of non-empty sets contains all unique elements")
public void unionOfTwoNonEmptySetsContainsAllUniqueElements() {
CustomSet<Integer> expected = new CustomSet<>(Collections.unmodifiableList(Arrays.asList(3, 2, 1)));
CustomSet<Integer> actual = new CustomSet<>(Arrays.asList(1, 3))
Expand Down
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