From f1bb8edebb35acce8b5516bc565e82cb22c69790 Mon Sep 17 00:00:00 2001 From: Abdul Moiz <104764143+A-Moiz@users.noreply.github.com> Date: Wed, 28 Jan 2026 00:44:14 +0000 Subject: [PATCH] Completed all exercises in 2-practice-tdd directory --- Sprint-3/2-practice-tdd/count.js | 8 +++++- Sprint-3/2-practice-tdd/count.test.js | 7 +++++ Sprint-3/2-practice-tdd/get-ordinal-number.js | 12 ++++++++- .../2-practice-tdd/get-ordinal-number.test.js | 26 ++++++++++++++++++- Sprint-3/2-practice-tdd/repeat-str.js | 11 ++++++-- Sprint-3/2-practice-tdd/repeat-str.test.js | 19 ++++++++++++++ 6 files changed, 78 insertions(+), 5 deletions(-) diff --git a/Sprint-3/2-practice-tdd/count.js b/Sprint-3/2-practice-tdd/count.js index 95b6ebb7d..d59e425d6 100644 --- a/Sprint-3/2-practice-tdd/count.js +++ b/Sprint-3/2-practice-tdd/count.js @@ -1,5 +1,11 @@ function countChar(stringOfCharacters, findCharacter) { - return 5 + let count = 0; + for (let i = 0; i < stringOfCharacters.length; i++) { + if (stringOfCharacters[i] === findCharacter) { + count++; + } + } + return count; } module.exports = countChar; diff --git a/Sprint-3/2-practice-tdd/count.test.js b/Sprint-3/2-practice-tdd/count.test.js index 179ea0ddf..ab3ad168a 100644 --- a/Sprint-3/2-practice-tdd/count.test.js +++ b/Sprint-3/2-practice-tdd/count.test.js @@ -22,3 +22,10 @@ test("should count multiple occurrences of a character", () => { // And a character `char` that does not exist within `str`. // When the function is called with these inputs, // Then it should return 0, indicating that no occurrences of `char` were found. + +test("should return 0 when character does not exist in the string", () => { + const str = "hello world"; + const char = "x"; + const count = countChar(str, char); + expect(count).toEqual(0); +}); diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.js b/Sprint-3/2-practice-tdd/get-ordinal-number.js index f95d71db1..79cc379d7 100644 --- a/Sprint-3/2-practice-tdd/get-ordinal-number.js +++ b/Sprint-3/2-practice-tdd/get-ordinal-number.js @@ -1,5 +1,15 @@ function getOrdinalNumber(num) { - return "1st"; + let stringNum = num.toString(); + let lastDigit = stringNum[stringNum.length - 1]; + if (lastDigit === "1" && num % 100 !== 11) { + return stringNum + "st"; + } else if (lastDigit === "2" && num % 100 !== 12) { + return stringNum + "nd"; + } else if (lastDigit === "3" && num % 100 !== 13) { + return stringNum + "rd"; + } else { + return stringNum + "th"; + } } module.exports = getOrdinalNumber; diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.test.js b/Sprint-3/2-practice-tdd/get-ordinal-number.test.js index d4c38183e..f218774a4 100644 --- a/Sprint-3/2-practice-tdd/get-ordinal-number.test.js +++ b/Sprint-3/2-practice-tdd/get-ordinal-number.test.js @@ -16,5 +16,29 @@ const getOrdinalNumber = require("./get-ordinal-number"); test("should append 'st' for numbers ending with 1, except those ending with 11", () => { expect(getOrdinalNumber(1)).toEqual("1st"); expect(getOrdinalNumber(21)).toEqual("21st"); - expect(getOrdinalNumber(31)).toEqual("131st"); + expect(getOrdinalNumber(31)).toEqual("31st"); + expect(getOrdinalNumber(131)).toEqual("131st"); + //expect(getOrdinalNumber(31)).toEqual("131st"); Assuming this is a typo and should be 31st +}); + +// Case 2: Numbers ending with 2 +test("should append 'nd' for numbers ending with 2, except those ending with 12", () => { + expect(getOrdinalNumber(2)).toEqual("2nd"); + expect(getOrdinalNumber(12)).toEqual("12th"); + expect(getOrdinalNumber(22)).toEqual("22nd"); + expect(getOrdinalNumber(132)).toEqual("132nd"); +}); + +// Case 3: Numbers ending with 3 +test("should append 'rd' for numbers ending with 3, except those ending with 13", () => { + expect(getOrdinalNumber(3)).toEqual("3rd"); + expect(getOrdinalNumber(13)).toEqual("13th"); + expect(getOrdinalNumber(23)).toEqual("23rd"); + expect(getOrdinalNumber(143)).toEqual("143rd"); +}); + +// Case 4: All other numbers +test("should append 'th' for all other numbers", () => { + expect(getOrdinalNumber(4)).toEqual("4th"); + expect(getOrdinalNumber(11)).toEqual("11th"); }); diff --git a/Sprint-3/2-practice-tdd/repeat-str.js b/Sprint-3/2-practice-tdd/repeat-str.js index 3838c7b00..23f52f1bc 100644 --- a/Sprint-3/2-practice-tdd/repeat-str.js +++ b/Sprint-3/2-practice-tdd/repeat-str.js @@ -1,5 +1,12 @@ -function repeatStr() { - return "hellohellohello"; +function repeatStr(str, count) { + if (count === 0) { + return ""; + } else if (count > 0) { + return str.repeat(count); + } else { + throw new Error("Count must be a non-negative integer"); + } + return ""; } module.exports = repeatStr; diff --git a/Sprint-3/2-practice-tdd/repeat-str.test.js b/Sprint-3/2-practice-tdd/repeat-str.test.js index a3fc1196c..7fa210c60 100644 --- a/Sprint-3/2-practice-tdd/repeat-str.test.js +++ b/Sprint-3/2-practice-tdd/repeat-str.test.js @@ -20,13 +20,32 @@ test("should repeat the string count times", () => { // Given a target string `str` and a `count` equal to 1, // When the repeatStr function is called with these inputs, // Then it should return the original `str` without repetition. +test("should return the original string when count is 1", () => { + const str = "world"; + const count = 1; + const repeatedStr = repeatStr(str, count); + expect(repeatedStr).toEqual("world"); +}); // Case: Handle count of 0: // Given a target string `str` and a `count` equal to 0, // When the repeatStr function is called with these inputs, // Then it should return an empty string. +test("should return an empty string when count is 0", () => { + const str = "test"; + const count = 0; + const repeatedStr = repeatStr(str, count); + expect(repeatedStr).toEqual(""); +}); // Case: Handle negative count: // Given a target string `str` and a negative integer `count`, // When the repeatStr function is called with these inputs, // Then it should throw an error, as negative counts are not valid. +test("should throw an error when count is negative", () => { + const str = "error"; + const count = -2; + expect(() => { + repeatStr(str, count); + }).toThrow("Count must be a non-negative integer"); +});