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package furgit
import "testing"
func TestParseHashValidAndInvalid(t *testing.T) {
const hex40 = "0123456789abcdef0123456789abcdef01234567"
id, err := ParseHash(hex40)
if err != nil {
t.Fatalf("ParseHash returned error: %v", err)
}
if got := id.String(); got != hex40 {
t.Fatalf("unexpected String result: %q", got)
}
if _, err := ParseHash("abcd"); err == nil {
t.Fatal("expected error for short hash")
}
if _, err := ParseHash("zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"); err == nil {
t.Fatal("expected error for non-hex input")
}
}
func TestHashBytesCopiesUnderlyingData(t *testing.T) {
var id Hash
for i := range id {
id[i] = byte(i)
}
orig := id.Bytes()
orig[0] ^= 0xff
if id[0] == orig[0] {
t.Fatal("Bytes should return a copy")
}
}
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