This closes #1360, closes #1361

- Fix default number format parse issue with a long string of digits
- Fix creating a sheet with an empty name cause a corrupted file
- The `GetCellStyle` function no longer return master cell style of the merge cell range
- Using the specialized name in variables and functions

1 files changed, 2 insertions, 0 deletions

diff --git a/sheet_test.go b/sheet_test.go
index 324d626..87c36d4 100644
--- a/sheet_test.go
+++ b/sheet_test.go
@@ -90,6 +90,8 @@ func TestNewSheet(t *testing.T) {
 	assert.NoError(t, f.SaveAs(filepath.Join("test", "TestNewSheet.xlsx")))
 	// create new worksheet with already exists name
 	assert.Equal(t, f.GetSheetIndex("Sheet2"), f.NewSheet("Sheet2"))
+	// create new worksheet with empty sheet name
+	assert.Equal(t, -1, f.NewSheet(":\\/?*[]"))
 }
 
 func TestSetPane(t *testing.T) {