Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/html/fuzz_test.go b/src/html/fuzz_test.go
new file mode 100644
index 0000000..ed15d8f
--- /dev/null
+++ b/src/html/fuzz_test.go
@@ -0,0 +1,22 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package html
+
+import "testing"
+
+func FuzzEscapeUnescape(f *testing.F) {
+	f.Fuzz(func(t *testing.T, v string) {
+		e := EscapeString(v)
+		u := UnescapeString(e)
+		if u != v {
+			t.Errorf("EscapeString(%q) = %q, UnescapeString(%q) = %q, want %q", v, e, e, u, v)
+		}
+
+		// As per the documentation, this isn't always equal to v, so it makes
+		// no sense to check for equality. It can still be interesting to find
+		// panics in it though.
+		EscapeString(UnescapeString(v))
+	})
+}