1 files changed, 32 insertions, 0 deletions
diff --git a/cell_test.go b/cell_test.go
index d388c7f..ba326d9 100644
--- a/cell_test.go
+++ b/cell_test.go
@@ -1,6 +1,7 @@
 package excelize
 
 import (
+	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -39,3 +40,34 @@ func TestCheckCellInArea(t *testing.T) {
 		checkCellInArea("AA0", "Z0:AB1")
 	})
 }
+
+func TestSetCellFloat(t *testing.T) {
+	sheet := "Sheet1"
+	t.Run("with no decimal", func(t *testing.T) {
+		f := NewFile()
+		f.SetCellFloat(sheet, "A1", 123.0, -1, 64)
+		f.SetCellFloat(sheet, "A2", 123.0, 1, 64)
+		assert.Equal(t, "123", f.GetCellValue(sheet, "A1"), "A1 should be 123")
+		assert.Equal(t, "123.0", f.GetCellValue(sheet, "A2"), "A2 should be 123.0")
+	})
+
+	t.Run("with a decimal and precision limit", func(t *testing.T) {
+		f := NewFile()
+		f.SetCellFloat(sheet, "A1", 123.42, 1, 64)
+		assert.Equal(t, "123.4", f.GetCellValue(sheet, "A1"), "A1 should be 123.4")
+	})
+
+	t.Run("with a decimal and no limit", func(t *testing.T) {
+		f := NewFile()
+		f.SetCellFloat(sheet, "A1", 123.42, -1, 64)
+		assert.Equal(t, "123.42", f.GetCellValue(sheet, "A1"), "A1 should be 123.42")
+	})
+}
+
+func ExampleFile_SetCellFloat() {
+	f := NewFile()
+	var x float64 = 3.14159265
+	f.SetCellFloat("Sheet1", "A1", x, 2, 64)
+	fmt.Println(f.GetCellValue("Sheet1", "A1"))
+	// Output: 3.14
+}