feat(mod): mod upgrade detection.

HMCLCore/src/test/java/org/jackhuang/hmcl/mod/curse/CurseForgeRemoteModRepositoryTest.java

@@ -0,0 +1,53 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package org.jackhuang.hmcl.mod.curse;
+
+import org.jackhuang.hmcl.util.MurmurHash2;
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+public class CurseForgeRemoteModRepositoryTest {
+
+    @Test
+    @Ignore
+    public void testMurmurHash() throws Exception {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        try (InputStream is = Files.newInputStream(Paths.get("C:\\Users\\huang\\Downloads\\JustEnoughCalculation-1.16.5-3.8.5.jar"))) {
+            byte[] buf = new byte[1024];
+            int len;
+            while ((len = is.read(buf, 0, buf.length)) > 0) {
+                for (int i = 0; i < len; i++) {
+                    byte b = buf[i];
+                    if (b != 9 && b != 10 && b != 13 && b != 32) {
+                        baos.write(b);
+                    }
+                }
+            }
+
+        }
+        long hash = Integer.toUnsignedLong(MurmurHash2.hash32(baos.toByteArray(), baos.size(), 1));
+
+        Assert.assertEquals(hash, 3333498611L);
+    }
+}