Merge branch 'master' into simeonoff/add-row-styling

Author: simeonoff

projects/igniteui-angular/src/lib/date-picker/date-picker.utils.ts

@@ -68,8 +68,9 @@ export abstract class DatePickerUtil {
             }
             parts[dp.type] = value;
         });
+        parts[DatePart.Month] -= 1;
 
-        if (parts[DatePart.Month] < 1 || 12 < parts[DatePart.Month]) {
+        if (parts[DatePart.Month] < 0 || 11 < parts[DatePart.Month]) {
             return null;
         }
 
@@ -88,7 +89,7 @@ export abstract class DatePickerUtil {
 
         return new Date(
             parts[DatePart.Year] || 2000,
-            parts[DatePart.Month] - 1 || 0,
+            parts[DatePart.Month] || 0,
             parts[DatePart.Date] || 1,
             parts[DatePart.Hours] || 0,
             parts[DatePart.Minutes] || 0,

projects/igniteui-angular/src/lib/directives/date-time-editor/date-time-parsing.spec.ts

@@ -12,19 +12,19 @@ describe('Date Time Parsing', () => {
     it('should correctly parse all date time parts (base)', () => {
         const result = DatePickerUtil.parseDateTimeFormat('dd/MM/yyyy HH:mm:ss tt');
         const expected = [
-            {start: 0, end: 2, type: DatePart.Date, format: 'dd'},
-            {start: 2, end: 3, type: DatePart.Literal, format: '/'},
-            {start: 3, end: 5, type: DatePart.Month, format: 'MM'},
-            {start: 5, end: 6, type: DatePart.Literal, format: '/'},
-            {start: 6, end: 10, type: DatePart.Year, format: 'yyyy'},
-            {start: 10, end: 11, type: DatePart.Literal, format: ' '},
-            {start: 11, end: 13, type: DatePart.Hours, format: 'HH'},
-            {start: 13, end: 14, type: DatePart.Literal, format: ':'},
-            {start: 14, end: 16, type: DatePart.Minutes, format: 'mm'},
-            {start: 16, end: 17, type: DatePart.Literal, format: ':'},
-            {start: 17, end: 19, type: DatePart.Seconds, format: 'ss'},
-            {start: 19, end: 20, type: DatePart.Literal, format: ' '},
-            {start: 20, end: 22, type: DatePart.AmPm, format: 'tt'}
+            { start: 0, end: 2, type: DatePart.Date, format: 'dd' },
+            { start: 2, end: 3, type: DatePart.Literal, format: '/' },
+            { start: 3, end: 5, type: DatePart.Month, format: 'MM' },
+            { start: 5, end: 6, type: DatePart.Literal, format: '/' },
+            { start: 6, end: 10, type: DatePart.Year, format: 'yyyy' },
+            { start: 10, end: 11, type: DatePart.Literal, format: ' ' },
+            { start: 11, end: 13, type: DatePart.Hours, format: 'HH' },
+            { start: 13, end: 14, type: DatePart.Literal, format: ':' },
+            { start: 14, end: 16, type: DatePart.Minutes, format: 'mm' },
+            { start: 16, end: 17, type: DatePart.Literal, format: ':' },
+            { start: 17, end: 19, type: DatePart.Seconds, format: 'ss' },
+            { start: 19, end: 20, type: DatePart.Literal, format: ' ' },
+            { start: 20, end: 22, type: DatePart.AmPm, format: 'tt' }
         ];
         expect(JSON.stringify(result)).toEqual(JSON.stringify(expected));
     });
@@ -67,4 +67,14 @@ describe('Date Time Parsing', () => {
         expect(resDict[DatePart.Month]).toEqual(jasmine.objectContaining({ start: 5, end: 7 }));
         expect(resDict[DatePart.Date]).toEqual(jasmine.objectContaining({ start: 8, end: 10 }));
     });
+
+    it('should correctly parse boundary dates', () => {
+        const parts = DatePickerUtil.parseDateTimeFormat('MM/dd/yyyy');
+        let result = DatePickerUtil.parseValueFromMask('08/31/2020', parts);
+        expect(result).toEqual(new Date(2020, 7, 31));
+        result = DatePickerUtil.parseValueFromMask('09/30/2020', parts);
+        expect(result).toEqual(new Date(2020, 8, 30));
+        result = DatePickerUtil.parseValueFromMask('10/31/2020', parts);
+        expect(result).toEqual(new Date(2020, 9, 31));
+    });
 });