// // Copyright 2016 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.
// //go:build s390x
// package sha256
// import (
// "fmt"
// "io"
// "testing"
// )
// // Tests the fallback code path in case the optimized asm
// // implementation cannot be used.
// // See also TestBlockGeneric.
// func TestGenericPath(t *testing.T) {
// if useAsm == false {
// t.Skipf("assembly implementation unavailable")
// }
// useAsm = false
// defer func() { useAsm = true }()
// c := New()
// in := "ΑΒΓΔΕϜΖΗΘΙΚΛΜΝΞΟΠϺϘΡΣΤΥΦΧΨΩ"
// gold := "e93d84ec2b22383123be9f713697fb25" +
// "338c86e2f7d8d1ddc2d89d332dd9d76c"
// if _, err := io.WriteString(c, in); err != nil {
// t.Fatalf("could not write to c: %v", err)
// }
// out := fmt.Sprintf("%x", c.Sum(nil))
// if out != gold {
// t.Fatalf("mismatch: got %s, wanted %s", out, gold)
// }
// }