1// Copyright 2016 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build s390x && !purego
6
7package sha256
8
9import (
10	"fmt"
11	"io"
12	"testing"
13)
14
15// Tests the fallback code path in case the optimized asm
16// implementation cannot be used.
17// See also TestBlockGeneric.
18func TestGenericPath(t *testing.T) {
19	if useAsm == false {
20		t.Skipf("assembly implementation unavailable")
21	}
22	useAsm = false
23	defer func() { useAsm = true }()
24	c := New()
25	in := "ΑΒΓΔΕϜΖΗΘΙΚΛΜΝΞΟΠϺϘΡΣΤΥΦΧΨΩ"
26	gold := "e93d84ec2b22383123be9f713697fb25" +
27		"338c86e2f7d8d1ddc2d89d332dd9d76c"
28	if _, err := io.WriteString(c, in); err != nil {
29		t.Fatalf("could not write to c: %v", err)
30	}
31	out := fmt.Sprintf("%x", c.Sum(nil))
32	if out != gold {
33		t.Fatalf("mismatch: got %s, wanted %s", out, gold)
34	}
35}
36