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 sha512
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 {
20		t.Skipf("assembly implementation unavailable")
21	}
22	useAsm = false
23	defer func() { useAsm = true }()
24	c := New()
25	in := "ΑΒΓΔΕϜΖΗΘΙΚΛΜΝΞΟΠϺϘΡΣΤΥΦΧΨΩ"
26	gold := "6922e319366d677f34c504af31bfcb29" +
27		"e531c125ecd08679362bffbd6b6ebfb9" +
28		"0dcc27dfc1f3d3b16a16c0763cf43b91" +
29		"40bbf9bbb7233724e9a0c6655b185d76"
30	if _, err := io.WriteString(c, in); err != nil {
31		t.Fatalf("could not write to c: %v", err)
32	}
33	out := fmt.Sprintf("%x", c.Sum(nil))
34	if out != gold {
35		t.Fatalf("mismatch: got %s, wanted %s", out, gold)
36	}
37}
38