From b6f160e90fa81f39172e78b2f71bc351924a988f Mon Sep 17 00:00:00 2001
From: Nabh Khanna <n.khanna@gastromatic.de>
Date: Mon, 16 Sep 2024 17:41:13 +0200
Subject: [PATCH 1/4] feat: add getQuarter in calendar date

---
 src/CalendarDate.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/CalendarDate.ts b/src/CalendarDate.ts
index f8711b0..2469680 100644
--- a/src/CalendarDate.ts
+++ b/src/CalendarDate.ts
@@ -424,4 +424,11 @@ export class CalendarDate {
       )
     );
   }
+
+  /**
+   * Returns the quarter of the year that the day is in.
+   */
+  public getQuarter(): number {
+    return Math.floor((this.month - 1) / 3) + 1;
+  }
 }

From e9afaabd7e93ffaaf725203798cb2ae96611e380 Mon Sep 17 00:00:00 2001
From: Nabh Khanna <n.khanna@gastromatic.de>
Date: Tue, 17 Sep 2024 13:01:02 +0200
Subject: [PATCH 2/4] feat: add tests

---
 src/CalendarDate.ts       | 11 +++++++++--
 test/CalendarDate.test.ts | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/src/CalendarDate.ts b/src/CalendarDate.ts
index 2469680..56532c4 100644
--- a/src/CalendarDate.ts
+++ b/src/CalendarDate.ts
@@ -426,9 +426,16 @@ export class CalendarDate {
   }
 
   /**
-   * Returns the quarter of the year that the day is in.
+   * Determines the quarter of the year (1-4) based on the month of the date.
+   *
+   * Quarter breakdown:
+   * - 1st Quarter: January to March (1-3)
+   * - 2nd Quarter: April to June (4-6)
+   * - 3rd Quarter: July to September (7-9)
+   * - 4th Quarter: October to December (10-12)
+   *
    */
-  public getQuarter(): number {
+  public get quarter(): number {
     return Math.floor((this.month - 1) / 3) + 1;
   }
 }
diff --git a/test/CalendarDate.test.ts b/test/CalendarDate.test.ts
index 6b1db12..cb8c4ee 100644
--- a/test/CalendarDate.test.ts
+++ b/test/CalendarDate.test.ts
@@ -1411,4 +1411,41 @@ describe('CalendarDate', () => {
       }
     });
   });
+
+  describe('Test of quarter', () => {
+    test('result is always between 1 and 4', () => {
+      fc.assert(
+        fc.property(
+          fc.integer({ min: 200, max: 9900 }),
+          fc.integer({ min: 1, max: 12 }),
+          fc.integer({ min: 1, max: 31 }),
+          (year, month, day) => {
+            // Arrange
+            const calendarDate = new CalendarDate(year, month, ensureValidDay(year, month, day));
+
+            // Act
+            const quarter = calendarDate.quarter;
+
+            // Assert
+            expect(quarter).toBeLessThan(5);
+            expect(quarter).toBeGreaterThan(0);
+          },
+        ),
+      );
+    });
+    test('Correct quarter for month', () => {
+      expect(new CalendarDate(2023, 1, 1).quarter).toBe(1);
+      expect(new CalendarDate(2023, 2, 1).quarter).toBe(1);
+      expect(new CalendarDate(2023, 3, 1).quarter).toBe(1);
+      expect(new CalendarDate(2023, 4, 1).quarter).toBe(2);
+      expect(new CalendarDate(2023, 5, 1).quarter).toBe(2);
+      expect(new CalendarDate(2023, 6, 1).quarter).toBe(2);
+      expect(new CalendarDate(2023, 7, 1).quarter).toBe(3);
+      expect(new CalendarDate(2023, 8, 1).quarter).toBe(3);
+      expect(new CalendarDate(2023, 9, 1).quarter).toBe(3);
+      expect(new CalendarDate(2023, 10, 1).quarter).toBe(4);
+      expect(new CalendarDate(2023, 11, 1).quarter).toBe(4);
+      expect(new CalendarDate(2023, 12, 1).quarter).toBe(4);
+    });
+  });
 });

From 939be4bef5d23f20cd34c1138f3b19ca83e83c7a Mon Sep 17 00:00:00 2001
From: Nabh Khanna <n.khanna@gastromatic.de>
Date: Tue, 17 Sep 2024 13:07:26 +0200
Subject: [PATCH 3/4] fix: fix test description

---
 test/CalendarDate.test.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/CalendarDate.test.ts b/test/CalendarDate.test.ts
index cb8c4ee..c5a1842 100644
--- a/test/CalendarDate.test.ts
+++ b/test/CalendarDate.test.ts
@@ -1413,7 +1413,7 @@ describe('CalendarDate', () => {
   });
 
   describe('Test of quarter', () => {
-    test('result is always between 1 and 4', () => {
+    test('Result is always between 1 and 4', () => {
       fc.assert(
         fc.property(
           fc.integer({ min: 200, max: 9900 }),
@@ -1433,7 +1433,7 @@ describe('CalendarDate', () => {
         ),
       );
     });
-    test('Correct quarter for month', () => {
+    test('Correct quarter for each month', () => {
       expect(new CalendarDate(2023, 1, 1).quarter).toBe(1);
       expect(new CalendarDate(2023, 2, 1).quarter).toBe(1);
       expect(new CalendarDate(2023, 3, 1).quarter).toBe(1);

From 0fc997453c3f8c34089cbc67dccdf6d285743965 Mon Sep 17 00:00:00 2001
From: Nabh Khanna <n.khanna@gastromatic.de>
Date: Wed, 18 Sep 2024 13:07:47 +0200
Subject: [PATCH 4/4] fix: fix comment

---
 src/CalendarDate.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/CalendarDate.ts b/src/CalendarDate.ts
index 56532c4..fa3a016 100644
--- a/src/CalendarDate.ts
+++ b/src/CalendarDate.ts
@@ -426,14 +426,13 @@ export class CalendarDate {
   }
 
   /**
-   * Determines the quarter of the year (1-4) based on the month of the date.
+   * The quarter of the year (1-4) based on the month of the date.
    *
    * Quarter breakdown:
    * - 1st Quarter: January to March (1-3)
    * - 2nd Quarter: April to June (4-6)
    * - 3rd Quarter: July to September (7-9)
    * - 4th Quarter: October to December (10-12)
-   *
    */
   public get quarter(): number {
     return Math.floor((this.month - 1) / 3) + 1;