Created

spreedsheetx/column_test.go

@@ -0,0 +1,88 @@
+package spreedsheetx
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestNewColumn(t *testing.T) {
+	column := NewColumn("A")
+	assert.Equal(t, "A", column.Name())
+	column.Next()
+	assert.Equal(t, "B", column.Name())
+	column.RightShift(2)
+	assert.Equal(t, "D", column.Name())
+	column.To("F")
+	assert.Equal(t, "F", column.Name())
+	column.Next()
+	assert.Equal(t, "G", column.Name())
+	_, err := column.To("ZZZ")
+	assert.Equal(t, true, err != nil, "err")
+}
+
+func TestNewColumn2(t *testing.T) {
+	column := NewColumn("A")
+	column.To("ZZ")
+	assert.Equal(t, "ZZ", column.Name())
+	column.RightShift(2)
+	assert.Equal(t, "AAB", column.Name())
+}
+
+func TestNewColumn3(t *testing.T) {
+	column := NewColumn("ABC")
+	assert.Equal(t, "ABC", column.Name())
+	column.RightShift(2)
+	assert.Equal(t, "ABE", column.Name())
+	column.RightShift(53)
+	assert.Equal(t, "ADF", column.Name())
+	column.To("A")
+	column.Next()
+	assert.Equal(t, "B", column.Name())
+	column.Next()
+	assert.Equal(t, "C", column.Name())
+	column.To("A")
+	column.RightShift(26)
+	assert.Equal(t, "AA", column.Name())
+}
+
+func TestNewColumn4(t *testing.T) {
+	column := NewColumn("A")
+	column.RightShift(1000)
+	assert.Equal(t, "ALM", column.Name())
+	column.To("A")
+	column.RightShift(25)
+	assert.Equal(t, "Z", column.Name())
+	column.RightShift(1)
+	assert.Equal(t, "AA", column.Name())
+	column.To("A")
+	column.RightShift(maxNumber - 1)
+	assert.Equal(t, "XFD", column.Name())
+}
+
+func TestNewColumn5(t *testing.T) {
+	column := NewColumn("A")
+	column.Next()
+	column.RightShift(26)
+	assert.Equal(t, "AB", column.Name())
+	column.Reset()
+	assert.Equal(t, "A", column.Name())
+	assert.Equal(t, "A", column.StartName())
+	assert.Equal(t, "A", column.EndName())
+}
+
+func TestNewLeftShift(t *testing.T) {
+	column := NewColumn("Z")
+	column.Prev()
+	assert.Equal(t, "Y", column.Name())
+	column.LeftShift(23)
+	assert.Equal(t, "B", column.Name())
+	column.LeftShift(1)
+	assert.Equal(t, "A", column.Name())
+	_, err := column.LeftShift(1)
+	assert.Equal(t, err != nil, true, "err")
+	column.Reset()
+	assert.Equal(t, "Z", column.Name())
+	assert.Equal(t, "Z", column.StartName())
+	column.To("AA")
+	assert.Equal(t, "AA", column.EndName())
+}