Testinator

gajumaru-core/src/Testinator.java

@@ -0,0 +1,56 @@
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Base64;
+
+import swiss.qpq.gajumaru.core.encoding.Base58;
+
+public class Testinator {
+    public static void main(String[] args) {
+        if (args.length != 2) {
+            System.out.println("Error: Provide the test suite name and the working dir path.");
+            System.exit(1);
+        }
+
+        try {
+            switch (args[0]) {
+                case "base64" -> {
+                    System.out.print(base64(args[1]));
+                }
+                case "base58" -> {
+                    System.out.print(base58(args[1]));
+                }
+            }
+        } catch (IOException e) {
+            System.err.println("Error: " + e.getMessage());
+            System.exit(1);
+        }
+    }
+
+    private static String base64(String workingPath) throws IOException {
+        Path testPath = Path.of(workingPath, "base64.test");
+        Path encPath = Path.of(workingPath, "base64.java.txt");
+        Path decPath = Path.of(workingPath, "base64.java.back");
+        byte[] rawBytes = Files.readAllBytes(testPath);
+        byte[] encBytes = Base64.getEncoder().encode(rawBytes);
+        Files.write(encPath, encBytes);
+        byte[] readEncBytes = Files.readAllBytes(encPath);
+        byte[] decBytes = Base64.getDecoder().decode(readEncBytes);
+        Files.write(decPath, decBytes);
+        return encPath.toString() + " " + decPath.toString();
+    }
+
+    private static String base58(String workingPath) throws IOException {
+        Path testPath = Path.of(workingPath, "base58.test");
+        Path encPath = Path.of(workingPath, "base58.java.txt");
+        Path decPath = Path.of(workingPath, "base58.java.back");
+        byte[] rawBytes = Files.readAllBytes(testPath);
+        String encString = Base58.encode(rawBytes);
+        Files.write(encPath, encString.getBytes());
+        byte[] readEncBytes = Files.readAllBytes(encPath);
+        String readEncString = new String(readEncBytes);
+        byte[] decBytes = Base58.decode(readEncString);
+        Files.write(decPath, decBytes);
+        return encPath.toString() + " " + decPath.toString();
+    }
+}

gajumaru-core/src/main/java/swiss/qpq/gajumaru/core/encoding/Base58.java

@@ -132,8 +132,8 @@ public final class Base58 {
             // The remainder of this pass is the next raw base-256 byte payload
             decoded[--outputStart] = (byte) remainder;
     
-            // Permanently advance past this leading index if its value has been exhausted
-            if (input58[i] == 0) {
+            // Advance past this leading index if its value has been exhausted or is 0
+            while (i < input58.length && input58[i] == 0) {
                 i++;
             }
         }