This closes #1162, improve the compatibility with alternate content

Preserve alternate content in the workbook, worksheet, and drawingML

1 files changed, 6 insertions, 1 deletions

diff --git a/drawing_test.go b/drawing_test.go
index d33977f..e37b771 100644
--- a/drawing_test.go
+++ b/drawing_test.go
@@ -12,6 +12,7 @@
 package excelize
 
 import (
+	"encoding/xml"
 	"sync"
 	"testing"
 )
@@ -22,9 +23,13 @@ func TestDrawingParser(t *testing.T) {
 		Pkg:      sync.Map{},
 	}
 	f.Pkg.Store("charset", MacintoshCyrillicCharset)
-	f.Pkg.Store("wsDr", []byte(`<?xml version="1.0" encoding="UTF-8" standalone="yes"?><xdr:wsDr xmlns:xdr="http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"><xdr:oneCellAnchor><xdr:graphicFrame/></xdr:oneCellAnchor></xdr:wsDr>`))
+	f.Pkg.Store("wsDr", []byte(xml.Header+`<xdr:wsDr xmlns:xdr="http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"><xdr:oneCellAnchor><xdr:graphicFrame/></xdr:oneCellAnchor></xdr:wsDr>`))
 	// Test with one cell anchor
 	f.drawingParser("wsDr")
 	// Test with unsupported charset
 	f.drawingParser("charset")
+	// Test with alternate content
+	f.Drawings = sync.Map{}
+	f.Pkg.Store("wsDr", []byte(xml.Header+`<xdr:wsDr xmlns:xdr="http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"><mc:AlternateContent xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"><mc:Choice xmlns:a14="http://schemas.microsoft.com/office/drawing/2010/main" Requires="a14"><xdr:twoCellAnchor editAs="oneCell"></xdr:twoCellAnchor></mc:Choice><mc:Fallback/></mc:AlternateContent></xdr:wsDr>`))
+	f.drawingParser("wsDr")
 }