encoding/json: add test for HTMLEscape

R=golang-dev, rsc CC=golang-dev https://golang.org/cl/38220044

encoding/json: add test for HTMLEscape
R=golang-dev, rsc CC=golang-dev https://golang.org/cl/38220044
aa20d262 · Shawn Smith · Brad Fitzpatrick · 33580e83 · aa20d262
Commit aa20d262 authored Dec 18, 2013 by Shawn Smith Committed by Brad Fitzpatrick Dec 18, 2013
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encode_test.go src/pkg/encoding/json/encode_test.go +10 -0

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--- a/src/pkg/encoding/json/encode_test.go
+++ b/src/pkg/encoding/json/encode_test.go
@@ -425,3 +425,13 @@ func TestIssue6458(t *testing.T) {
 		t.Errorf("Marshal(x) = %#q; want %#q", b, want)
 	}
 }
+
+func TestHTMLEscape(t *testing.T) {
+	var b, want bytes.Buffer
+	m := `{"M":"<html>foo &` + "\xe2\x80\xa8 \xe2\x80\xa9" + `</html>"}`
+	want.Write([]byte(`{"M":"\u003chtml\u003efoo \u0026\u2028 \u2029\u003c/html\u003e"}`))
+	HTMLEscape(&b, []byte(m))
+	if !bytes.Equal(b.Bytes(), want.Bytes()) {
+		t.Errorf("HTMLEscape(&b, []byte(m)) = %s; want %s", b.Bytes(), want.Bytes())
+	}
+}