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Merge pull request #2 from rarimo/fix/truncate
Refactor TruncateDg1Hash
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestTruncateDg1Hash(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| inputHash []byte | ||
| expected [32]byte | ||
| }{ | ||
| { | ||
| name: "16-byte hash", | ||
| inputHash: bytes.Repeat([]byte{0xDD}, 16), // Example: 16 bytes of 0xDD | ||
| expected: func() [32]byte { | ||
| var result [32]byte | ||
| copy(result[32-16:], bytes.Repeat([]byte{0xDD}, 32)) | ||
| return result | ||
| }(), | ||
| }, | ||
| { | ||
| name: "20-byte hash", | ||
| inputHash: bytes.Repeat([]byte{0xAA}, 20), // Example: 20 bytes of 0xAA | ||
| expected: func() [32]byte { | ||
| var result [32]byte | ||
| copy(result[32-20:], bytes.Repeat([]byte{0xAA}, 32)) | ||
| return result | ||
| }(), | ||
| }, | ||
| { | ||
| name: "32-byte hash", | ||
| inputHash: bytes.Repeat([]byte{0xBB}, 32), // Example: 32 bytes of 0xBB | ||
| expected: func() [32]byte { | ||
| var result [32]byte | ||
| copy(result[1:], bytes.Repeat([]byte{0xBB}, 32)) | ||
| return result | ||
| }(), | ||
| }, | ||
| { | ||
| name: "48-byte hash", | ||
| inputHash: bytes.Repeat([]byte{0xBB}, 48), // Example: 48 bytes of 0xBB | ||
| expected: func() [32]byte { | ||
| var result [32]byte | ||
| copy(result[1:], bytes.Repeat([]byte{0xBB}, 32)) | ||
| return result | ||
| }(), | ||
| }, | ||
| { | ||
| name: "64-byte hash", | ||
| inputHash: bytes.Repeat([]byte{0xCC}, 64), // Example: 64 bytes of 0xCC | ||
| expected: func() [32]byte { | ||
| var result [32]byte | ||
| copy(result[1:], bytes.Repeat([]byte{0xCC}, 32)) | ||
| return result | ||
| }(), | ||
| }, | ||
| { | ||
| name: "128-byte hash", | ||
| inputHash: bytes.Repeat([]byte{0xCC}, 128), // Example: 128 bytes of 0xCC (I don't know if this even possible, but just in case) | ||
| expected: func() [32]byte { | ||
| var result [32]byte | ||
| copy(result[1:], bytes.Repeat([]byte{0xCC}, 32)) | ||
| return result | ||
| }(), | ||
| }, | ||
|
|
||
| } | ||
|
|
||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| result := TruncateDg1Hash(tt.inputHash) | ||
| t.Logf("Input Hash: \t\t0x%X", tt.inputHash) | ||
| t.Logf("Truncated Result:\t0x%X", result) | ||
| assert.Equal(t, tt.expected, result, "Truncated hash should match expected value") | ||
| }) | ||
| } | ||
| } |