Add shortcode null param variant

See #2294

diff --git a/hugolib/shortcode_test.go b/hugolib/shortcode_test.go
index 55a8a22fec887e7248d16d4154ffdadfbe63f4d8..b30b5b5118563d7252df8c5a16f6735a6647c05a 100644 (file)
--- a/hugolib/shortcode_test.go
+++ b/hugolib/shortcode_test.go
@@ -124,6 +124,13 @@ func TestPositionalParamIndexOutOfBounds(t *testing.T) {
        CheckShortCodeMatch(t, "{{< video 47238zzb >}}", "Playing Video error: index out of range for positional param at position 1", tem)
 }
 
+// Issue #2294
+func TestPositionalParamNil(t *testing.T) {
+       tem := tpl.New()
+       tem.AddInternalShortcode("div.html", `<div data='{{ .Get 0 }}'>{{ .Inner }}</div>`)
+       CheckShortCodeMatch(t, "{{% div %}}**foo**{{% /div %}}", "<div data=''><strong>foo</strong></div>", tem)
+}
+
 // some repro issues for panics in Go Fuzz testing
 func TestShortcodeGoFuzzRepros(t *testing.T) {
        tt := tpl.New()