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Merged
merged 2 commits into from
Sep 8, 2025
Merged

gigasecond, go-counting, grade-school, grains, grep #3004

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5eadc87
gigasecond, go-counting, grade-school, grains, grep
AtharvOps Sep 7, 2025
97a19b3
Merge branch 'main' into display9
jagdish-15 Sep 8, 2025
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7 changes: 7 additions & 0 deletions exercises/practice/gigasecond/src/test/java/GigasecondTest.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.time.LocalDate;
Expand All @@ -10,6 +11,7 @@
public class GigasecondTest {

@Test
@DisplayName("date only specification of time")
public void modernTime() {
Gigasecond gigaSecond = new Gigasecond(LocalDate.of(2011, Month.APRIL, 25));

Expand All @@ -18,6 +20,7 @@ public void modernTime() {

@Disabled("Remove to run test")
@Test
@DisplayName("second test for date only specification of time")
public void afterEpochTime() {
Gigasecond gigaSecond = new Gigasecond(LocalDate.of(1977, Month.JUNE, 13));

Expand All @@ -26,6 +29,7 @@ public void afterEpochTime() {

@Disabled("Remove to run test")
@Test
@DisplayName("third test for date only specification of time")
public void beforeEpochTime() {
Gigasecond gigaSecond = new Gigasecond(LocalDate.of(1959, Month.JULY, 19));

Expand All @@ -34,6 +38,7 @@ public void beforeEpochTime() {

@Disabled("Remove to run test")
@Test
@DisplayName("full time specified")
public void withFullTimeSpecified() {
Gigasecond gigaSecond = new Gigasecond(LocalDateTime.of(2015, Month.JANUARY, 24, 22, 0, 0));

Expand All @@ -42,6 +47,7 @@ public void withFullTimeSpecified() {

@Disabled("Remove to run test")
@Test
@DisplayName("full time with day roll-over")
public void withFullTimeSpecifiedAndDayRollover() {
Gigasecond gigaSecond = new Gigasecond(LocalDateTime.of(2015, Month.JANUARY, 24, 23, 59, 59));

Expand All @@ -50,6 +56,7 @@ public void withFullTimeSpecifiedAndDayRollover() {

@Disabled("Remove to run test")
@Test
@DisplayName("does not mutate the input")
public void doesNotMutateInput() {
LocalDateTime input = LocalDateTime.of(2015, Month.JANUARY, 24, 23, 59, 59);
new Gigasecond(input).getDateTime();
Expand Down
12 changes: 12 additions & 0 deletions exercises/practice/go-counting/src/test/java/GoCountingTest.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.awt.*;
Expand All @@ -18,6 +19,7 @@ public class GoCountingTest {
" W ";

@Test
@DisplayName("Black corner territory on 5x5 board")
public void blackCorner5x5BoardTest() {
GoCounting gocounting = new GoCounting(board5x5);

Expand All @@ -32,6 +34,7 @@ public void blackCorner5x5BoardTest() {

@Disabled("Remove to run test")
@Test
@DisplayName("White center territory on 5x5 board")
public void whiteCenter5x5BoardTest() {
GoCounting gocounting = new GoCounting(board5x5);

Expand All @@ -44,6 +47,7 @@ public void whiteCenter5x5BoardTest() {

@Disabled("Remove to run test")
@Test
@DisplayName("Open corner territory on 5x5 board")
public void openCorner5x5BoardTest() {
GoCounting gocounting = new GoCounting(board5x5);

Expand All @@ -58,6 +62,7 @@ public void openCorner5x5BoardTest() {

@Disabled("Remove to run test")
@Test
@DisplayName("A stone and not a territory on 5x5 board")
public void stoneNotTerritory5x5Board() {
GoCounting gocounting = new GoCounting(board5x5);

Expand All @@ -69,6 +74,7 @@ public void stoneNotTerritory5x5Board() {

@Disabled("Remove to run test")
@Test
@DisplayName("Invalid because X is too low for 5x5 board")
public void invalidXTooLow5x5Board() {
GoCounting gocounting = new GoCounting(board5x5);

Expand All @@ -79,6 +85,7 @@ public void invalidXTooLow5x5Board() {

@Disabled("Remove to run test")
@Test
@DisplayName("Invalid because X is too high for 5x5 board")
public void invalidXTooHigh5x5Board() {
GoCounting gocounting = new GoCounting(board5x5);

Expand All @@ -89,6 +96,7 @@ public void invalidXTooHigh5x5Board() {

@Disabled("Remove to run test")
@Test
@DisplayName("Invalid because Y is too low for 5x5 board")
public void invalidYTooLow5x5Board() {
GoCounting gocounting = new GoCounting(board5x5);

Expand All @@ -99,6 +107,7 @@ public void invalidYTooLow5x5Board() {

@Disabled("Remove to run test")
@Test
@DisplayName("Invalid because Y is too high for 5x5 board")
public void invalidYTooHigh5x5Board() {
GoCounting gocounting = new GoCounting(board5x5);

Expand All @@ -109,6 +118,7 @@ public void invalidYTooHigh5x5Board() {

@Disabled("Remove to run test")
@Test
@DisplayName("One territory is the whole board")
public void oneTerritoryIsWholeBoardTest() {
GoCounting gocounting = new GoCounting(" ");

Expand All @@ -127,6 +137,7 @@ public void oneTerritoryIsWholeBoardTest() {

@Disabled("Remove to run test")
@Test
@DisplayName("Two territory rectangular board")
public void twoTerritoryRectangularBoardTest() {
GoCounting gocounting = new GoCounting(" BW \n BW ");

Expand All @@ -150,6 +161,7 @@ public void twoTerritoryRectangularBoardTest() {

@Disabled("Remove to run test")
@Test
@DisplayName("Two region rectangular board")
public void twoRegionRectangularBoardTest() {
GoCounting gocounting = new GoCounting(" B ");

Expand Down
20 changes: 20 additions & 0 deletions exercises/practice/grade-school/src/test/java/SchoolTest.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import static org.assertj.core.api.Assertions.assertThat;
Expand All @@ -13,18 +14,21 @@ public void setUp() {
}

@Test
@DisplayName("Roster is empty when no student is added")
public void rosterReturnsAnEmptyListIfThereAreNoStudentsEnrolled() {
assertThat(school.roster()).isEmpty();
}

@Disabled("Remove to run test")
@Test
@DisplayName("Add a student")
public void addAStudent() {
assertThat(school.add("Aimee", 2)).isTrue();
}

@Disabled("Remove to run test")
@Test
@DisplayName("Student is added to the roster")
public void addingAStudentAddsThemToTheSortedRoster() {
school.add("Aimee", 2);

Expand All @@ -33,6 +37,7 @@ public void addingAStudentAddsThemToTheSortedRoster() {

@Disabled("Remove to run test")
@Test
@DisplayName("Adding multiple students in the same grade in the roster")
public void addingMultipleStudentsInTheSameGrade() {
assertThat(school.add("Blair", 2)).isTrue();
assertThat(school.add("James", 2)).isTrue();
Expand All @@ -41,6 +46,7 @@ public void addingMultipleStudentsInTheSameGrade() {

@Disabled("Remove to run test")
@Test
@DisplayName("Multiple students in the same grade are added to the roster")
public void addingMoreStudentsAddsThemToTheSameSortedRoster() {
school.add("Blair", 2);
school.add("James", 2);
Expand All @@ -51,6 +57,7 @@ public void addingMoreStudentsAddsThemToTheSameSortedRoster() {

@Disabled("Remove to run test")
@Test
@DisplayName("Cannot add student to same grade in the roster more than once")
public void cannotAddStudentsToSameGradeInTheRosterMoreThanOnce() {
assertThat(school.add("Blair", 2)).isTrue();
assertThat(school.add("James", 2)).isTrue();
Expand All @@ -60,6 +67,7 @@ public void cannotAddStudentsToSameGradeInTheRosterMoreThanOnce() {

@Disabled("Remove to run test")
@Test
@DisplayName("Student not added to same grade in the roster more than once")
public void studentNotAddedToSameGradeInTheRosterMoreThanOnce() {
school.add("Blair", 2);
school.add("James", 2);
Expand All @@ -71,13 +79,15 @@ public void studentNotAddedToSameGradeInTheRosterMoreThanOnce() {

@Disabled("Remove to run test")
@Test
@DisplayName("Adding students in multiple grades")
public void addingStudentsInMultipleGrades() {
assertThat(school.add("Chelsea", 3)).isTrue();
assertThat(school.add("Logan", 7)).isTrue();
}

@Disabled("Remove to run test")
@Test
@DisplayName("Students in multiple grades are added to the roster")
public void addingStudentsToDifferentGradesAddsThemToTheSameSortedRoster() {
school.add("Chelsea", 3);
school.add("Logan", 7);
Expand All @@ -87,6 +97,7 @@ public void addingStudentsToDifferentGradesAddsThemToTheSameSortedRoster() {

@Disabled("Remove to run test")
@Test
@DisplayName("Cannot add same student to multiple grades in the roster")
public void cannotAddSameStudentToMultipleGradesInTheRoster() {
assertThat(school.add("Blair", 2)).isTrue();
assertThat(school.add("James", 2)).isTrue();
Expand All @@ -96,6 +107,7 @@ public void cannotAddSameStudentToMultipleGradesInTheRoster() {

@Disabled("Remove to run test")
@Test
@DisplayName("Student not added to multiple grades in the roster")
public void studentNotAddedToMultipleGradesInTheRoster() {
school.add("Blair", 2);
school.add("James", 2);
Expand All @@ -107,6 +119,7 @@ public void studentNotAddedToMultipleGradesInTheRoster() {

@Disabled("Remove to run test")
@Test
@DisplayName("Students are sorted by grades in the roster")
public void studentsAreSortedByGradeInTheRoster() {
school.add("Jim", 3);
school.add("Peter", 2);
Expand All @@ -117,6 +130,7 @@ public void studentsAreSortedByGradeInTheRoster() {

@Disabled("Remove to run test")
@Test
@DisplayName("Students are sorted by name in the roster")
public void studentsAreSortedByNameInTheRoster() {
school.add("Peter", 2);
school.add("Zoe", 2);
Expand All @@ -127,6 +141,7 @@ public void studentsAreSortedByNameInTheRoster() {

@Disabled("Remove to run test")
@Test
@DisplayName("Students are sorted by grades and then by name in the roster")
public void studentsAreSortedByGradeAndThenByNameInTheRoster() {
school.add("Peter", 2);
school.add("Anna", 1);
Expand All @@ -141,12 +156,14 @@ public void studentsAreSortedByGradeAndThenByNameInTheRoster() {

@Disabled("Remove to run test")
@Test
@DisplayName("Grade is empty if no students in the roster")
public void gradeIsEmptyIfNoStudentsInTheRoster() {
assertThat(school.grade(1)).isEmpty();
}

@Disabled("Remove to run test")
@Test
@DisplayName("Grade is empty if no students in that grade")
public void gradeIsEmptyIfNoStudentsInThatGrade() {
school.add("Peter", 2);
school.add("Zoe", 2);
Expand All @@ -158,6 +175,7 @@ public void gradeIsEmptyIfNoStudentsInThatGrade() {

@Disabled("Remove to run test")
@Test
@DisplayName("Student not added to same grade more than once")
public void studentNotAddedToTheSameGradeMoreThanOnce() {
school.add("Blair", 2);
school.add("James", 2);
Expand All @@ -169,6 +187,7 @@ public void studentNotAddedToTheSameGradeMoreThanOnce() {

@Disabled("Remove to run test")
@Test
@DisplayName("Student not added to multiple grades")
public void studentNotAddedToMultipleGrades() {
school.add("Blair", 2);
school.add("James", 2);
Expand All @@ -181,6 +200,7 @@ public void studentNotAddedToMultipleGrades() {

@Disabled("Remove to run test")
@Test
@DisplayName("Students are sorted by name in a grade")
public void studentsAreSortedByNameInAGrade() {
school.add("Franklin", 5);
school.add("Bradley", 5);
Expand Down
12 changes: 12 additions & 0 deletions exercises/practice/grains/src/test/java/GrainsTest.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.math.BigInteger;
Expand All @@ -11,55 +12,63 @@ public class GrainsTest {
private Grains grains = new Grains();

@Test
@DisplayName("returns the number of grains on the square")
public void countAtSquare1() {
BigInteger result = grains.grainsOnSquare(1);
assertThat(result).isEqualTo(new BigInteger("1"));
}

@Disabled("Remove to run test")
@Test
@DisplayName("grains on square 2")
public void countAtSquare2() {
BigInteger result = grains.grainsOnSquare(2);
assertThat(result).isEqualTo(new BigInteger("2"));
}

@Disabled("Remove to run test")
@Test
@DisplayName("grains on square 3")
public void countAtSquare3() {
BigInteger result = grains.grainsOnSquare(3);
assertThat(result).isEqualTo(new BigInteger("4"));
}

@Disabled("Remove to run test")
@Test
@DisplayName("grains on square 4")
public void countAtSquare4() {
BigInteger result = grains.grainsOnSquare(4);
assertThat(result).isEqualTo(new BigInteger("8"));
}

@Disabled("Remove to run test")
@Test
@DisplayName("grains on square 16")
public void countAtSquare16() {
BigInteger result = grains.grainsOnSquare(16);
assertThat(result).isEqualTo(new BigInteger("32768"));
}

@Disabled("Remove to run test")
@Test
@DisplayName("grains on square 32")
public void countAtSquare32() {
BigInteger result = grains.grainsOnSquare(32);
assertThat(result).isEqualTo(new BigInteger("2147483648"));
}

@Disabled("Remove to run test")
@Test
@DisplayName("grains on square 64")
public void countAtSquare64() {
BigInteger result = grains.grainsOnSquare(64);
assertThat(result).isEqualTo(new BigInteger("9223372036854775808"));
}

@Disabled("Remove to run test")
@Test
@DisplayName("square 0 is invalid")
public void errorOnNullBoardSize() {
assertThatExceptionOfType(IllegalArgumentException.class)
.isThrownBy(() -> grains.grainsOnSquare(0))
Expand All @@ -68,6 +77,7 @@ public void errorOnNullBoardSize() {

@Disabled("Remove to run test")
@Test
@DisplayName("negative square is invalid")
public void errorOnNegativeBoardSize() {
assertThatExceptionOfType(IllegalArgumentException.class)
.isThrownBy(() -> grains.grainsOnSquare(-1))
Expand All @@ -76,6 +86,7 @@ public void errorOnNegativeBoardSize() {

@Disabled("Remove to run test")
@Test
@DisplayName("square greater than 64 is invalid")
public void errorOnExcessiveBoardSize() {
assertThatExceptionOfType(IllegalArgumentException.class)
.isThrownBy(() -> grains.grainsOnSquare(65))
Expand All @@ -84,6 +95,7 @@ public void errorOnExcessiveBoardSize() {

@Disabled("Remove to run test")
@Test
@DisplayName("returns the total number of grains on the board")
public void totalNumberOfGrainsOnABoard() {
BigInteger total = grains.grainsOnBoard();
assertThat(total).isEqualTo(new BigInteger("18446744073709551615"));
Expand Down
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