Add IsAM 和 IsPM methods

Author: kuafuRace

comparer_unit_test.go

@@ -121,9 +121,10 @@ func TestCarbon_IsAM(t *testing.T) {
 		3: {"00:00:00", false},
 		4: {"0000-00-00 00:00:00", false},
 
-		5: {"2020-08-05 08:00:00", true},
-		6: {"2020-08-05 12:00:00", false},
-		7: {"2020-08-05 13:00:00", false},
+		5: {"2020-08-05 00:00:00", true},
+		6: {"2020-08-05 08:00:00", true},
+		7: {"2020-08-05 12:00:00", false},
+		8: {"2020-08-05 13:00:00", false},
 	}
 
 	for index, test := range tests {
@@ -146,9 +147,10 @@ func TestCarbon_IsPM(t *testing.T) {
 		3: {"00:00:00", false},
 		4: {"0000-00-00 00:00:00", false},
 
-		5: {"2020-08-05 08:00:00", false},
-		6: {"2020-08-05 12:00:00", true},
-		7: {"2020-08-05 13:00:00", true},
+		5: {"2020-08-05 00:00:00", false},
+		6: {"2020-08-05 08:00:00", false},
+		7: {"2020-08-05 12:00:00", true},
+		8: {"2020-08-05 13:00:00", true},
 	}
 
 	for index, test := range tests {