go port

base58/base58_test.go

@@ -0,0 +1,56 @@
+package base58
+
+import (
+  "bytes"
+  "encoding/hex"
+  "testing"
+)
+
+func TestRoundTrip(t *testing.T) {
+  cases := [][]byte{
+    {0x00},
+    {0x00, 0x00, 0x01},
+    bytes.Repeat([]byte{0xff}, 32),
+    []byte("hello world"),
+    {},
+  }
+  for _, in := range cases {
+    enc := Encode(in)
+    got, err := Decode(enc)
+    if err != nil {
+      t.Fatalf("Decode(%q): %v", enc, err)
+    }
+    if !bytes.Equal(got, in) {
+      t.Fatalf("round trip mismatch: in=%x enc=%q got=%x", in, enc, got)
+    }
+  }
+}
+
+func TestCheckEncodeKnownAddress(t *testing.T) {
+  raw, err := hex.DecodeString("4143d75ee7cdcd7f2fcd4fc3b4eb574b6bdc2a3fcb")
+  if err != nil {
+    t.Fatalf("decode raw: %v", err)
+  }
+  if got := CheckEncode(raw); got != "TG9vH8c2jBWq2wSnksrq5mVyq2wjhG4A1n" {
+    t.Fatalf("CheckEncode = %s", got)
+  }
+  payload, err := CheckDecode("TG9vH8c2jBWq2wSnksrq5mVyq2wjhG4A1n")
+  if err != nil {
+    t.Fatalf("CheckDecode: %v", err)
+  }
+  if !bytes.Equal(payload, raw) {
+    t.Fatalf("CheckDecode = %x, want %x", payload, raw)
+  }
+}
+
+func TestCheckDecodeRejectsBadChecksum(t *testing.T) {
+  if _, err := CheckDecode("TG9vH8c2jBWq2wSnksrq5mVyq2wjhG4A1m"); err == nil {
+    t.Fatalf("expected checksum error")
+  }
+}
+
+func TestDecodeRejectsInvalidByte(t *testing.T) {
+  if _, err := Decode("0OIl"); err == nil {
+    t.Fatalf("expected invalid byte error")
+  }
+}