1 files changed, 55 insertions, 0 deletions
diff --git a/internal/godoc/dochtml/testdata/order.go b/internal/godoc/dochtml/testdata/order.go
new file mode 100644
index 00000000..b8a82bfd
--- /dev/null
+++ b/internal/godoc/dochtml/testdata/order.go
@@ -0,0 +1,55 @@
+// Copyright 2026 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 order exercises natural sorting of symbols.
+package order
+
+// Uint32x16 represents a 128-bit unsigned integer.
+type Uint32x16 struct {
+	data [16]uint32
+}
+
+// AsUint8x64 converts a Uint32x16 to a Uint8x64.
+func (u Uint32x16) AsUint8x64() Uint8x64 {
+	return Uint8x64{}
+}
+
+// AsUint64x8 converts a Uint32x16 to a Uint64x8.
+func (u Uint32x16) AsUint64x8() Uint8x64 {
+	return Uint64x8{}
+}
+
+// Uint8x64 represents a 128-bit unsigned integer.
+type Uint8x64 struct {
+	data [64]uint8
+}
+
+// AsUint32x16 converts a Uint8x64 to a Uint32x16.
+func (u Uint8x64) AsUint32x16() Uint32x16 {
+	return Uint32x16{}
+}
+
+// AsUint64x8 converts a Uint8x64 to a Uint64x8.
+func (u Uint8x64) AsUint64x8() Uint64x8 {
+	return Uint64x8{}
+}
+
+// Uint64x8 represents a 128-bit unsigned integer.
+type Uint64x8 struct {
+	data [8]uint64
+}
+
+// AsUint8x64 converts a Uint64x8 to a Uint8x64.
+func (u Uint64x8) AsUint8x64() Uint8x64 {
+	return Uint8x64{}
+}
+
+// AsUint32x16 converts a Uint64x8 to a Uint32x16.
+func (u Uint64x8) AsUint32x16() Uint32x16 {
+	return Uint32x16{}
+}
+
+func ExampleUint64x8_AsUint32x16() {}
+
+func ExampleUint64x8_AsUint8x64() {}