修复ArrayUtil.lastIndexOfSub死循环问题

hutool-core/src/test/java/cn/hutool/core/util/IssueIAQ16ETest.java

@@ -0,0 +1,34 @@
+package cn.hutool.core.util;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class IssueIAQ16ETest {
+	@Test
+	void lastIndexOfSubTest() {
+		Integer[] bigBytes = new Integer[]{1, 2, 2, 2, 3, 2, 2, 2, 3};
+		Integer[] subBytes = new Integer[]{2, 2};
+		final int i = ArrayUtil.lastIndexOfSub(bigBytes, subBytes);
+		Assertions.assertEquals(6, i);
+	}
+
+	@Test
+	void lastIndexOfSubTest2() {
+		Integer[] bigBytes = new Integer[]{1, 2, 2, 2, 3, 2, 2, 2, 3, 4, 5};
+		Integer[] subBytes = new Integer[]{2, 2, 2, 3};
+		final int i = ArrayUtil.lastIndexOfSub(bigBytes, subBytes);
+		Assertions.assertEquals(5, i);
+		Assertions.assertEquals(5, i);
+	}
+
+	@Test
+	public void lastIndexOfSubTest3() {
+		Integer[] a = {0x12, 0x34, 0x56, 0x78, 0x9A};
+		Integer[] b = {0x56, 0x78};
+
+		int i = ArrayUtil.lastIndexOfSub(a, b);
+		assertEquals(2, i);
+	}
+}