From 4b73a1d7263b7c0447a5877d95f2867ab023f1ea Mon Sep 17 00:00:00 2001
From: Sylvain Gaunet <3924333-sgaunet@users.noreply.gitlab.com>
Date: Mon, 30 Jan 2023 12:14:16 +0100
Subject: [PATCH] Fix #3 Error when using different format

---
 calcdatelib/calcdatelib.go      | 2 +-
 calcdatelib/calcdatelib_test.go | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/calcdatelib/calcdatelib.go b/calcdatelib/calcdatelib.go
index 89441e8..f2ed81a 100644
--- a/calcdatelib/calcdatelib.go
+++ b/calcdatelib/calcdatelib.go
@@ -160,7 +160,7 @@ func (d *Date) initIndexSecond() error {
 func (d *Date) initUnitTime(defaultValue int, ptrToInit *int, ptrRelativToInit *int, idx int) error {
 	*ptrToInit = defaultValue
 	*ptrRelativToInit = 0
-	if idx != -1 {
+	if idx > 0 {
 		value := d.submatch[idx]
 		if value != "" {
 			convert, err := strconv.Atoi(value)
diff --git a/calcdatelib/calcdatelib_test.go b/calcdatelib/calcdatelib_test.go
index 3c31b28..dd34661 100644
--- a/calcdatelib/calcdatelib_test.go
+++ b/calcdatelib/calcdatelib_test.go
@@ -208,6 +208,15 @@ func TestNewDate(t *testing.T) {
 			expectedString: "1981/12/01 13:00:00",
 			expectedErr:    false,
 		},
+		{
+			Name:           "different format",
+			nowFct:         func() time.Time { return time.Date(1982, 01, 01, 00, 00, 00, 0, time.UTC) }, // 1982-01-01 00:00:00
+			argDate:        "2022/12/01",
+			argIfmt:        "%YYYY/%MM/%DD",
+			argTz:          "",
+			expectedString: "2022/12/01 00:00:00",
+			expectedErr:    false,
+		},
 	}
 
 	for _, test := range testCases {