decred.org/dcrdex@v1.0.3/client/mnemonic/seed_test.go (about)

     1  package mnemonic
     2  
     3  import (
     4  	"bytes"
     5  	"testing"
     6  	"time"
     7  )
     8  
     9  func TestFindWordIndex(t *testing.T) {
    10  	for i := range wordList {
    11  		j, err := wordIndex(wordList[i])
    12  		if err != nil {
    13  			t.Fatal(err)
    14  		}
    15  		if i != int(j) {
    16  			t.Fatalf("wrong index %d returned for %q. expected %d", j, wordList[i], i)
    17  		}
    18  	}
    19  
    20  	if _, err := wordIndex("blah"); err == nil {
    21  		t.Fatal("no error for blah")
    22  	}
    23  
    24  	if _, err := wordIndex("aaa"); err == nil {
    25  		t.Fatal("no error for aaa")
    26  	}
    27  
    28  	if _, err := wordIndex("zzz"); err == nil {
    29  		t.Fatal("no error for zzz")
    30  	}
    31  }
    32  
    33  func TestEncodeDecode(t *testing.T) {
    34  	for i := 0; i < 1000; i++ {
    35  		ogEntropy, mnemonic := New()
    36  		reEntropy, stamp, err := DecodeMnemonic(mnemonic)
    37  		if err != nil {
    38  			t.Fatal(err)
    39  		}
    40  		if !bytes.Equal(reEntropy, ogEntropy) {
    41  			t.Fatal("failed to recover entropy")
    42  		}
    43  		if stamp.Unix()/secondsPerDay != time.Now().Unix()/secondsPerDay {
    44  			t.Fatalf("time not recovered")
    45  		}
    46  	}
    47  }