1 files changed, 19 insertions, 0 deletions
diff --git a/calcchain_test.go b/calcchain_test.go
new file mode 100644
index 0000000..842dde1
--- /dev/null
+++ b/calcchain_test.go
@@ -0,0 +1,19 @@
+package excelize
+
+import "testing"
+
+func TestCalcChainReader(t *testing.T) {
+	f := NewFile()
+	f.CalcChain = nil
+	f.XLSX["xl/calcChain.xml"] = MacintoshCyrillicCharset
+	f.calcChainReader()
+}
+
+func TestDeleteCalcChain(t *testing.T) {
+	f := NewFile()
+	f.CalcChain = &xlsxCalcChain{C: []xlsxCalcChainC{}}
+	f.ContentTypes.Overrides = append(f.ContentTypes.Overrides, xlsxOverride{
+		PartName: "/xl/calcChain.xml",
+	})
+	f.deleteCalcChain(1, "A1")
+}