file testing

src/main/java/tester/Main.java

@@ -6,8 +6,8 @@ import java.io.*;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Paths;
+import java.util.Base64;
 import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.stream.Stream;
 
 public class Main {
 
@@ -23,6 +23,10 @@ public class Main {
         return sb.toString();
     }
     
+    private static byte[] decodeB64(String input) {
+        return Base64.getDecoder().decode(input);
+    }
+    
     private static boolean runTest(String jarfile, String testName) throws FileNotFoundException {
         System.out.printf("Running test \"%s\"\n", testName);
 
@@ -97,8 +101,8 @@ public class Main {
             System.out.printf("File: %s\n", f);
             System.out.println();
             try {
-                String got = fileToString(f);
-                boolean erro = compareStrings(got, e);
+                byte[] got = Files.readAllBytes(Paths.get(f));
+                boolean erro = compareFiles(got, decodeB64(e));
                 if (erro) {
                     error.set(true);
                 } else {
@@ -211,10 +215,19 @@ public class Main {
         return error;
     }
     
-    private static String fileToString(String path) throws IOException {
-        StringBuilder build = new StringBuilder();
-        Stream<String> stream = Files.lines(Paths.get(path), StandardCharsets.UTF_8);
-        stream.forEach(s -> build.append(s).append("\n"));
-        return build.toString();
+    private static boolean compareFiles(byte[] got, byte[] expect) {
+        if (got.length != expect.length) {
+            System.out.println("❌ A fájlméretek különböznek");
+            return false;
+        }
+
+        var err = false;
+        for (int i = 0; i < expect.length; i++) {
+            if (got[i] != expect[i]) {
+                System.out.printf("❌ A %d. byte (karakter) nem passzol\n", i);
+                err = true;
+            }
+        }
+        return err;
     }
 }