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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  // +build s390x
     6  
     7  package sha1
     8  
     9  import (
    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.
    18  func 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 := "0f58c2bb130f8182375f325c18342215255387e5"
    27  	if _, err := io.WriteString(c, in); err != nil {
    28  		t.Fatalf("could not write to c: %v", err)
    29  	}
    30  	out := fmt.Sprintf("%x", c.Sum(nil))
    31  	if out != gold {
    32  		t.Fatalf("mismatch: got %s, wanted %s", out, gold)
    33  	}
    34  }
    35  

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