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1 package christie.blockchain;
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2
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3 import org.junit.jupiter.api.Test;
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4
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5 import static org.junit.jupiter.api.Assertions.*;
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6 import java.util.Arrays;
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7
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8 class HashUtilTest {
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9
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10 @Test
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11 void sha256() {
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12 HashUtil hashUtil1 = new HashUtil();
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13 HashUtil hashUtil2 = new HashUtil();
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14 String[] testStringArray = new String[]{"a", "b"};
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15
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16 // オブジェクトは同じじゃない
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17 assertNotSame(hashUtil1, hashUtil2);
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18
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19 // 総当たりで, hash値が同じか調べる.
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20 for(String str1: testStringArray){
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21 byte[] hash1 = hashUtil1.sha256(str1.getBytes());
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22 for(String str2: testStringArray){
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23 byte[] hash2 = hashUtil2.sha256(str2.getBytes());
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24
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25 if(str1.equals(str2))
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26 assertEquals(Arrays.toString(hash1), Arrays.toString(hash2));
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27 else
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28 assertNotEquals(Arrays.toString(hash1), Arrays.toString(hash2));
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29 }
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30 }
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31
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32 }
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33
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34 @Test
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35 void sha3() {
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36 HashUtil hashUtil1 = new HashUtil();
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37 HashUtil hashUtil2 = new HashUtil();
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38 String[] testStringArray = new String[]{"a", "b"};
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39
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40 // オブジェクトは同じじゃない
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41 assertNotSame(hashUtil1, hashUtil2);
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42
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43 // 総当たりで, hash値が同じか調べる.
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44 for(String str1: testStringArray){
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45 byte[] hash1 = hashUtil1.sha3(str1.getBytes());
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46 for(String str2: testStringArray){
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47 byte[] hash2 = hashUtil2.sha3(str2.getBytes());
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48
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49 if(str1.equals(str2))
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50 assertEquals(Arrays.toString(hash1), Arrays.toString(hash2));
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51 else
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52 assertNotEquals(Arrays.toString(hash1), Arrays.toString(hash2));
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53 }
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54 }
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55 }
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56
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57 @Test
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58 void ripemd160() {
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59 HashUtil hashUtil1 = new HashUtil();
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60 HashUtil hashUtil2 = new HashUtil();
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61 String[] testStringArray = new String[]{"a", "b"};
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62
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63 // オブジェクトは同じじゃない
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64 assertNotSame(hashUtil1, hashUtil2);
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65
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66 // 総当たりで, hash値が同じか調べる.
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67 for(String str1: testStringArray){
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68 byte[] hash1 = hashUtil1.ripemd160(str1.getBytes());
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69 for(String str2: testStringArray){
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70 byte[] hash2 = hashUtil2.ripemd160(str2.getBytes());
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71
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72 if(str1.equals(str2))
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73 assertEquals(Arrays.toString(hash1), Arrays.toString(hash2));
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74 else
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75 assertNotEquals(Arrays.toString(hash1), Arrays.toString(hash2));
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76 }
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77 }
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78 }
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79
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80 } |
