From 1e5cad726baaf87ac1d5b3f8d4013fef70bb4ac1 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Fri, 10 Oct 2025 17:12:00 +0100
Subject: [PATCH 01/13] count.js and count.test.js completed

---
 Sprint-3/2-practice-tdd/count.js      | 7 ++++++-
 Sprint-3/2-practice-tdd/count.test.js | 6 ++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/Sprint-3/2-practice-tdd/count.js b/Sprint-3/2-practice-tdd/count.js
index 95b6ebb7d..f8d2898f7 100644
--- a/Sprint-3/2-practice-tdd/count.js
+++ b/Sprint-3/2-practice-tdd/count.js
@@ -1,5 +1,10 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  let output = 0;
+  for( let i=0; i <= stringOfCharacters.length; i++ ) {
+    if(stringOfCharacters[i] === findCharacter)
+      output++;
+  }
+  return output;
 }
 
 module.exports = countChar;
diff --git a/Sprint-3/2-practice-tdd/count.test.js b/Sprint-3/2-practice-tdd/count.test.js
index 42baf4b4b..ce08b2345 100644
--- a/Sprint-3/2-practice-tdd/count.test.js
+++ b/Sprint-3/2-practice-tdd/count.test.js
@@ -22,3 +22,9 @@ test("should count multiple occurrences of a character", () => {
 // And a character char that does not exist within the case-sensitive str,
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of the char were found in the case-sensitive str.
+test("should return 0 if there are no occurrences at all", () => {
+  const str = "Hello World!";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
\ No newline at end of file

From a42937df0c6489d1973af849bea149ae7c7854d2 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Fri, 10 Oct 2025 17:15:15 +0100
Subject: [PATCH 02/13] get-ordinal-numbers.js completed

---
 Sprint-3/2-practice-tdd/get-ordinal-number.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.js b/Sprint-3/2-practice-tdd/get-ordinal-number.js
index f95d71db1..4c256b033 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.js
@@ -1,5 +1,7 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  if(num === 1)
+    return "1st";
+  return 0;
 }
 
 module.exports = getOrdinalNumber;

From 96004439640dd6afc8323766ebf634b961dca5a0 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Fri, 10 Oct 2025 17:16:08 +0100
Subject: [PATCH 03/13] repeat.js and repeat.test.js completed

---
 Sprint-3/2-practice-tdd/repeat.js      |  7 +++++--
 Sprint-3/2-practice-tdd/repeat.test.js | 18 ++++++++++++++++++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/Sprint-3/2-practice-tdd/repeat.js b/Sprint-3/2-practice-tdd/repeat.js
index 00e60d7f3..bbd0baa93 100644
--- a/Sprint-3/2-practice-tdd/repeat.js
+++ b/Sprint-3/2-practice-tdd/repeat.js
@@ -1,5 +1,8 @@
-function repeat() {
-  return "hellohellohello";
+function repeat(str, count) {
+  if(count < 0) {
+    return "Error: Negative counts are not valid.";
+  }
+  return str.repeat(count);
 }
 
 module.exports = repeat;
diff --git a/Sprint-3/2-practice-tdd/repeat.test.js b/Sprint-3/2-practice-tdd/repeat.test.js
index 34097b09c..0ffd3e80e 100644
--- a/Sprint-3/2-practice-tdd/repeat.test.js
+++ b/Sprint-3/2-practice-tdd/repeat.test.js
@@ -20,13 +20,31 @@ test("should repeat the string count times", () => {
 // Given a target string str and a count equal to 1,
 // When the repeat function is called with these inputs,
 // Then it should return the original str without repetition, ensuring that a count of 1 results in no repetition.
+test("should repeat the string only 1 time (no repetition)", () => {
+  const str = "hello";
+  const count = 1;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("hello");
+});
 
 // case: Handle Count of 0:
 // Given a target string str and a count equal to 0,
 // When the repeat function is called with these inputs,
 // Then it should return an empty string, ensuring that a count of 0 results in an empty output.
+test("should repeat the string 0 times ( means the output will be an empty string)", () => {
+  const str = "hello";
+  const count = 0;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("");
+});
 
 // case: Negative Count:
 // Given a target string str and a negative integer count,
 // When the repeat function is called with these inputs,
 // Then it should throw an error or return an appropriate error message, as negative counts are not valid.
+test("should repeat the string 0 times ( means the output will be an empty string)", () => {
+  const str = "hello";
+  const count = -3;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("Error: Negative counts are not valid.");
+});
\ No newline at end of file

From c0d9240d1e01404ca4a6b9dd218558966a144603 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Sun, 19 Oct 2025 12:07:18 +0100
Subject: [PATCH 04/13] Updated the funciton so it handels other tests, and
 added more tests too

---
 Sprint-3/2-practice-tdd/get-ordinal-number.js | 27 ++++++++--
 .../2-practice-tdd/get-ordinal-number.test.js | 50 +++++++++++++++++++
 2 files changed, 74 insertions(+), 3 deletions(-)

diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.js b/Sprint-3/2-practice-tdd/get-ordinal-number.js
index 4c256b033..6c83a305f 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.js
@@ -1,7 +1,28 @@
 function getOrdinalNumber(num) {
-  if(num === 1)
-    return "1st";
-  return 0;
+  //
+  if (typeof num !== "number" || !Number.isInteger(num) || num <= 0) {
+    return "Input must be a positive integer.";
+  }
+  
+  const lastTwoDigits = num % 100;
+  const lastDigit = num % 10;
+
+  if (lastTwoDigits >= 11 && lastTwoDigits <= 13) {
+    return `${num}th`;
+  }
+
+  switch (lastDigit) {
+    case 1:
+      return `${num}st`;
+    case 2:
+      return `${num}nd`;
+    case 3:
+      return `${num}rd`;
+    default:
+      return `${num}th`;
+  }
+  return num;  
 }
 
+console.log(getOrdinalNumber(21));    // "1st"
 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 dfe4b6091..17e6b085e 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.test.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.test.js
@@ -10,4 +10,54 @@ const getOrdinalNumber = require("./get-ordinal-number");
 
 test("should return '1st' for 1", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
+  expect(getOrdinalNumber(21)).toEqual("21st");
+  expect(getOrdinalNumber(101)).toEqual("101st");
 });
+
+// Case 2: Identify the ordinal number for 1
+// except those ending in 12
+test("append 'nd' to numbers ending in 2, except those ending in 12", () => {
+    expect( getOrdinalNumber(2) ).toEqual("2nd");
+    expect( getOrdinalNumber(22) ).toEqual("22nd");
+    expect( getOrdinalNumber(132) ).toEqual("132nd");
+});
+
+// Case 3: Identify the ordinal numbers for 3 to 12
+test("should return correct ordinal suffixes for numbers 3 to 12", () => {
+    expect( getOrdinalNumber(3) ).toEqual("3rd");
+    expect( getOrdinalNumber(4) ).toEqual("4th");
+    expect( getOrdinalNumber(5) ).toEqual("5th");
+    expect( getOrdinalNumber(6) ).toEqual("6th");
+    expect( getOrdinalNumber(7) ).toEqual("7th");
+    expect( getOrdinalNumber(8) ).toEqual("8th");
+    expect( getOrdinalNumber(9) ).toEqual("9th");
+    expect( getOrdinalNumber(10) ).toEqual("10th");
+    expect( getOrdinalNumber(11) ).toEqual("11th");
+    expect( getOrdinalNumber(12) ).toEqual("12th");
+});
+// Case 4: Identify the ordinal numbers for numbers above 12
+test("should return correct ordinal suffixes for numbers above 12", () => {
+    expect( getOrdinalNumber(13) ).toEqual("13th");
+    expect( getOrdinalNumber(19) ).toEqual("19th");
+    expect( getOrdinalNumber(23) ).toEqual("23rd");
+    expect( getOrdinalNumber(34) ).toEqual("34th");
+    expect( getOrdinalNumber(45) ).toEqual("45th");
+    expect( getOrdinalNumber(56) ).toEqual("56th");
+    expect( getOrdinalNumber(67) ).toEqual("67th");
+});
+
+// Case 5: Identify the ordinal numbers for numbers like 20 30 40 etc
+test("should return correct ordinal suffixes for multiples of ten", () => {
+    expect( getOrdinalNumber(20) ).toEqual("20th");
+    expect( getOrdinalNumber(30) ).toEqual("30th");
+    expect( getOrdinalNumber(70) ).toEqual("70th");
+    expect( getOrdinalNumber(50) ).toEqual("50th");
+});
+
+// Case 6: dealing with big numbers
+test("should return correct ordinal suffixes for big numbers", () => {
+    expect( getOrdinalNumber(111) ).toEqual("111th");
+    expect( getOrdinalNumber(4712) ).toEqual("4712th");
+    expect( getOrdinalNumber(10003) ).toEqual("10003rd");
+    expect( getOrdinalNumber(10012) ).toEqual("10012th");
+});
\ No newline at end of file

From f6314c3cc2bc7cadf9df15c4b0bdbe7cfc4ab771 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Sun, 19 Oct 2025 12:27:40 +0100
Subject: [PATCH 05/13] function repeat() should return false when negative
 number passed

---
 Sprint-3/2-practice-tdd/repeat.js      | 2 +-
 Sprint-3/2-practice-tdd/repeat.test.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sprint-3/2-practice-tdd/repeat.js b/Sprint-3/2-practice-tdd/repeat.js
index bbd0baa93..fe4947697 100644
--- a/Sprint-3/2-practice-tdd/repeat.js
+++ b/Sprint-3/2-practice-tdd/repeat.js
@@ -1,6 +1,6 @@
 function repeat(str, count) {
   if(count < 0) {
-    return "Error: Negative counts are not valid.";
+    return false;
   }
   return str.repeat(count);
 }
diff --git a/Sprint-3/2-practice-tdd/repeat.test.js b/Sprint-3/2-practice-tdd/repeat.test.js
index 0ffd3e80e..e8ec14812 100644
--- a/Sprint-3/2-practice-tdd/repeat.test.js
+++ b/Sprint-3/2-practice-tdd/repeat.test.js
@@ -46,5 +46,5 @@ test("should repeat the string 0 times ( means the output will be an empty strin
   const str = "hello";
   const count = -3;
   const repeatedStr = repeat(str, count);
-  expect(repeatedStr).toEqual("Error: Negative counts are not valid.");
+  expect(repeatedStr).toEqual(false);
 });
\ No newline at end of file

From ad2180d9276d1341a3b0fc0f2dc428aa793459a3 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Sun, 19 Oct 2025 13:25:07 +0100
Subject: [PATCH 06/13] updated function repeat() and its tests

---
 Sprint-3/2-practice-tdd/repeat.js      |  4 ++--
 Sprint-3/2-practice-tdd/repeat.test.js | 18 +++++++++++++-----
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/Sprint-3/2-practice-tdd/repeat.js b/Sprint-3/2-practice-tdd/repeat.js
index fe4947697..bcab83738 100644
--- a/Sprint-3/2-practice-tdd/repeat.js
+++ b/Sprint-3/2-practice-tdd/repeat.js
@@ -1,6 +1,6 @@
 function repeat(str, count) {
-  if(count < 0) {
-    return false;
+  if (typeof count !== "number" || isNaN(count) || count < 0) {
+    throw new Error("Count must be a valid number");
   }
   return str.repeat(count);
 }
diff --git a/Sprint-3/2-practice-tdd/repeat.test.js b/Sprint-3/2-practice-tdd/repeat.test.js
index e8ec14812..6045f245b 100644
--- a/Sprint-3/2-practice-tdd/repeat.test.js
+++ b/Sprint-3/2-practice-tdd/repeat.test.js
@@ -42,9 +42,17 @@ test("should repeat the string 0 times ( means the output will be an empty strin
 // Given a target string str and a negative integer count,
 // When the repeat function is called with these inputs,
 // Then it should throw an error or return an appropriate error message, as negative counts are not valid.
-test("should repeat the string 0 times ( means the output will be an empty string)", () => {
+test("should throw an error if count is not a valid number", () => {
   const str = "hello";
-  const count = -3;
-  const repeatedStr = repeat(str, count);
-  expect(repeatedStr).toEqual(false);
-});
\ No newline at end of file
+  const count = -8;
+  expect(() => repeat(str, count)).toThrow("Count must be a valid number");
+});
+
+test("should throw an error if count is not a valid number", () => {
+  const str = "hello";
+  const count = "abc";
+  expect(() => repeat(str, count)).toThrow("Count must be a valid number");
+});
+
+
+

From 94348cb5ff4cd4cd71c76cb9cdd3c721d0a3b00f Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Mon, 20 Oct 2025 14:05:39 +0100
Subject: [PATCH 07/13]  is shortened inside the function getOrdinalNumber()

---
 Sprint-3/2-practice-tdd/get-ordinal-number.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.js b/Sprint-3/2-practice-tdd/get-ordinal-number.js
index 6c83a305f..1acc74d6f 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.js
@@ -1,6 +1,5 @@
 function getOrdinalNumber(num) {
-  //
-  if (typeof num !== "number" || !Number.isInteger(num) || num <= 0) {
+  if (typeof num !== "number") {
     return "Input must be a positive integer.";
   }
   

From b46e59db6f9663b0596c47c8ba501c544904523d Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Mon, 20 Oct 2025 14:07:00 +0100
Subject: [PATCH 08/13]  is shortened inside the function getOrdinalNumber()

---
 Sprint-3/2-practice-tdd/get-ordinal-number.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.js b/Sprint-3/2-practice-tdd/get-ordinal-number.js
index 1acc74d6f..7c6883c17 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.js
@@ -1,5 +1,5 @@
 function getOrdinalNumber(num) {
-  if (typeof num !== "number") {
+  if (typeof num !== "number" && num <= 0) {
     return "Input must be a positive integer.";
   }
   

From f55b3a2dc2ebd4d1669a22e5672b87b885769efc Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Mon, 20 Oct 2025 14:07:20 +0100
Subject: [PATCH 09/13]  is shortened inside the function getOrdinalNumber()

---
 Sprint-3/2-practice-tdd/get-ordinal-number.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.js b/Sprint-3/2-practice-tdd/get-ordinal-number.js
index 7c6883c17..11c7ad3d5 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.js
@@ -1,5 +1,5 @@
 function getOrdinalNumber(num) {
-  if (typeof num !== "number" && num <= 0) {
+  if (typeof num !== "number" || num <= 0) {
     return "Input must be a positive integer.";
   }
   

From f06c4f9528f0c73409bc8afb43f82ba934d54031 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Mon, 20 Oct 2025 23:31:21 +0100
Subject: [PATCH 10/13] changed condition rule in function getOrdinalNumber()
 and added new test cases and added throw error

---
 Sprint-3/2-practice-tdd/get-ordinal-number.js    |  6 +++---
 .../2-practice-tdd/get-ordinal-number.test.js    | 16 ++++++++++++++++
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/Sprint-3/2-practice-tdd/get-ordinal-number.js b/Sprint-3/2-practice-tdd/get-ordinal-number.js
index 11c7ad3d5..5af6dceb9 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.js
@@ -1,6 +1,6 @@
 function getOrdinalNumber(num) {
-  if (typeof num !== "number" || num <= 0) {
-    return "Input must be a positive integer.";
+  if (!Number.isInteger(num) || num <= 0) {
+    throw new Error("Input must be a positive integer.");
   }
   
   const lastTwoDigits = num % 100;
@@ -23,5 +23,5 @@ function getOrdinalNumber(num) {
   return num;  
 }
 
-console.log(getOrdinalNumber(21));    // "1st"
+//console.log(getOrdinalNumber(21));    // "1st"
 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 17e6b085e..44878eca6 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.test.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.test.js
@@ -60,4 +60,20 @@ test("should return correct ordinal suffixes for big numbers", () => {
     expect( getOrdinalNumber(4712) ).toEqual("4712th");
     expect( getOrdinalNumber(10003) ).toEqual("10003rd");
     expect( getOrdinalNumber(10012) ).toEqual("10012th");
+});
+
+
+// Case 6: dealing with invalid inputs
+// test("should return error message", () => {
+//     expect( getOrdinalNumber(NaN) ).toEqual("Input must be a positive integer.");
+//     expect( getOrdinalNumber(Infinity) ).toEqual("Input must be a positive integer.");
+//     expect( getOrdinalNumber("hello") ).toEqual("Input must be a positive integer.");
+//     expect( getOrdinalNumber([0, 3]) ).toEqual("Input must be a positive integer.");
+// });
+
+test("should throw an error stating that input must be a positive integer", () => {
+    expect(() => getOrdinalNumber(NaN)).toThrow("Input must be a positive integer.");
+    expect(() => getOrdinalNumber(Infinity)).toThrow("Input must be a positive integer.");
+    expect(() => getOrdinalNumber("hello")).toThrow("Input must be a positive integer.");
+    expect(() => getOrdinalNumber([0, 1, 2])).toThrow("Input must be a positive integer.");
 });
\ No newline at end of file

From 25b186803fe5004231754ba3ccacef6e021dcbd8 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Mon, 20 Oct 2025 23:43:53 +0100
Subject: [PATCH 11/13] test cases recategorising

---
 .../2-practice-tdd/get-ordinal-number.test.js | 85 ++++++++-----------
 1 file changed, 34 insertions(+), 51 deletions(-)

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 44878eca6..12fdfc384 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.test.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.test.js
@@ -8,68 +8,51 @@ const getOrdinalNumber = require("./get-ordinal-number");
 // When the number is 1,
 // Then the function should return "1st"
 
-test("should return '1st' for 1", () => {
+test("Numbers that end with `st`", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(101)).toEqual("101st");
+  expect(getOrdinalNumber(28491)).toEqual("28491st");
 });
 
-// Case 2: Identify the ordinal number for 1
-// except those ending in 12
-test("append 'nd' to numbers ending in 2, except those ending in 12", () => {
-    expect( getOrdinalNumber(2) ).toEqual("2nd");
-    expect( getOrdinalNumber(22) ).toEqual("22nd");
-    expect( getOrdinalNumber(132) ).toEqual("132nd");
+// Case 2: "Numbers that end with `nd`
+test("Numbers that end with `nd`", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(32)).toEqual("32nd");
+  expect(getOrdinalNumber(202)).toEqual("202nd");
+  expect(getOrdinalNumber(4502)).toEqual("4502nd");
+}
+
+// Case 3:: "Numbers that end with `rd`
+);
+
+test("Numbers that end with `rd`", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(43)).toEqual("43rd");
+  expect(getOrdinalNumber(123)).toEqual("123rd");
+  expect(getOrdinalNumber(6703)).toEqual("6703rd");
 });
 
-// Case 3: Identify the ordinal numbers for 3 to 12
-test("should return correct ordinal suffixes for numbers 3 to 12", () => {
-    expect( getOrdinalNumber(3) ).toEqual("3rd");
-    expect( getOrdinalNumber(4) ).toEqual("4th");
-    expect( getOrdinalNumber(5) ).toEqual("5th");
-    expect( getOrdinalNumber(6) ).toEqual("6th");
-    expect( getOrdinalNumber(7) ).toEqual("7th");
-    expect( getOrdinalNumber(8) ).toEqual("8th");
-    expect( getOrdinalNumber(9) ).toEqual("9th");
-    expect( getOrdinalNumber(10) ).toEqual("10th");
-    expect( getOrdinalNumber(11) ).toEqual("11th");
-    expect( getOrdinalNumber(12) ).toEqual("12th");
-});
-// Case 4: Identify the ordinal numbers for numbers above 12
-test("should return correct ordinal suffixes for numbers above 12", () => {
-    expect( getOrdinalNumber(13) ).toEqual("13th");
-    expect( getOrdinalNumber(19) ).toEqual("19th");
-    expect( getOrdinalNumber(23) ).toEqual("23rd");
-    expect( getOrdinalNumber(34) ).toEqual("34th");
-    expect( getOrdinalNumber(45) ).toEqual("45th");
-    expect( getOrdinalNumber(56) ).toEqual("56th");
-    expect( getOrdinalNumber(67) ).toEqual("67th");
-});
-
-// Case 5: Identify the ordinal numbers for numbers like 20 30 40 etc
-test("should return correct ordinal suffixes for multiples of ten", () => {
-    expect( getOrdinalNumber(20) ).toEqual("20th");
-    expect( getOrdinalNumber(30) ).toEqual("30th");
-    expect( getOrdinalNumber(70) ).toEqual("70th");
-    expect( getOrdinalNumber(50) ).toEqual("50th");
+// Case 4: "Numbers that end with `th`
+test("Numbers that end with `th`", () => {
+  expect(getOrdinalNumber(4)).toEqual("4th");
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(25)).toEqual("25th");
+  expect(getOrdinalNumber(1124)).toEqual("1124th");
+  expect(getOrdinalNumber(9999)).toEqual("9999th");
 });
 
-// Case 6: dealing with big numbers
-test("should return correct ordinal suffixes for big numbers", () => {
-    expect( getOrdinalNumber(111) ).toEqual("111th");
-    expect( getOrdinalNumber(4712) ).toEqual("4712th");
-    expect( getOrdinalNumber(10003) ).toEqual("10003rd");
-    expect( getOrdinalNumber(10012) ).toEqual("10012th");
+// Case 5: "Numbers that are exceptions (11, 12, 13)
+test("Numbers that are exceptions (11, 12, 13)", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(12)).toEqual("12th");
+  expect(getOrdinalNumber(13)).toEqual("13th");
+  expect(getOrdinalNumber(111)).toEqual("111th");
+  expect(getOrdinalNumber(112)).toEqual("112th");
+  expect(getOrdinalNumber(113)).toEqual("113th");
 });
 
-
-// Case 6: dealing with invalid inputs
-// test("should return error message", () => {
-//     expect( getOrdinalNumber(NaN) ).toEqual("Input must be a positive integer.");
-//     expect( getOrdinalNumber(Infinity) ).toEqual("Input must be a positive integer.");
-//     expect( getOrdinalNumber("hello") ).toEqual("Input must be a positive integer.");
-//     expect( getOrdinalNumber([0, 3]) ).toEqual("Input must be a positive integer.");
-// });
+// Case 6: "Non-positive integers (NaN, Infinity, non-integers)
 
 test("should throw an error stating that input must be a positive integer", () => {
     expect(() => getOrdinalNumber(NaN)).toThrow("Input must be a positive integer.");

From 06a987e1136ec7ebbbd8ebd665d52dfdc6c52b38 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Mon, 20 Oct 2025 23:46:23 +0100
Subject: [PATCH 12/13] test cases recategorising -- styling

---
 Sprint-3/2-practice-tdd/get-ordinal-number.test.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

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 12fdfc384..9f46f37a2 100644
--- a/Sprint-3/2-practice-tdd/get-ordinal-number.test.js
+++ b/Sprint-3/2-practice-tdd/get-ordinal-number.test.js
@@ -21,11 +21,9 @@ test("Numbers that end with `nd`", () => {
   expect(getOrdinalNumber(32)).toEqual("32nd");
   expect(getOrdinalNumber(202)).toEqual("202nd");
   expect(getOrdinalNumber(4502)).toEqual("4502nd");
-}
+});
 
 // Case 3:: "Numbers that end with `rd`
-);
-
 test("Numbers that end with `rd`", () => {
   expect(getOrdinalNumber(3)).toEqual("3rd");
   expect(getOrdinalNumber(43)).toEqual("43rd");
@@ -53,7 +51,6 @@ test("Numbers that are exceptions (11, 12, 13)", () => {
 });
 
 // Case 6: "Non-positive integers (NaN, Infinity, non-integers)
-
 test("should throw an error stating that input must be a positive integer", () => {
     expect(() => getOrdinalNumber(NaN)).toThrow("Input must be a positive integer.");
     expect(() => getOrdinalNumber(Infinity)).toThrow("Input must be a positive integer.");

From 4b42131f53aad28a37b5f749f05fc5aa81ddd897 Mon Sep 17 00:00:00 2001
From: Mohammed Abdoon <mohammedabdoon1996@gmail.com>
Date: Mon, 20 Oct 2025 23:50:33 +0100
Subject: [PATCH 13/13] corrected condition rule to include NaN and Infinity
 numbers

---
 Sprint-3/2-practice-tdd/repeat.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sprint-3/2-practice-tdd/repeat.js b/Sprint-3/2-practice-tdd/repeat.js
index bcab83738..40d7455b0 100644
--- a/Sprint-3/2-practice-tdd/repeat.js
+++ b/Sprint-3/2-practice-tdd/repeat.js
@@ -1,5 +1,5 @@
 function repeat(str, count) {
-  if (typeof count !== "number" || isNaN(count) || count < 0) {
+  if (!Number.isInteger(count) || count < 0) {
     throw new Error("Count must be a valid number");
   }
   return str.repeat(count);