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Source file src/crypto/sha1/fallback_test.go

Documentation: crypto/sha1

     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
     6  // +build s390x
     7  
     8  package sha1
     9  
    10  import (
    11  	"fmt"
    12  	"io"
    13  	"testing"
    14  )
    15  
    16  // Tests the fallback code path in case the optimized asm
    17  // implementation cannot be used.
    18  // See also TestBlockGeneric.
    19  func TestGenericPath(t *testing.T) {
    20  	if useAsm == false {
    21  		t.Skipf("assembly implementation unavailable")
    22  	}
    23  	useAsm = false
    24  	defer func() { useAsm = true }()
    25  	c := New()
    26  	in := "ΑΒΓΔΕϜΖΗΘΙΚΛΜΝΞΟΠϺϘΡΣΤΥΦΧΨΩ"
    27  	gold := "0f58c2bb130f8182375f325c18342215255387e5"
    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  

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