diff --git a/test/org/joni/test/TestCaseInsensitive.java b/test/org/joni/test/TestCaseInsensitive.java
new file mode 100644
index 0000000..ef37c97
--- /dev/null
+++ b/test/org/joni/test/TestCaseInsensitive.java
@@ -0,0 +1,32 @@
+package org.joni.test;
+
+import org.jcodings.Encoding;
+import org.jcodings.specific.UTF8Encoding;
+import org.joni.Option;
+import org.joni.Syntax;
+
+public class TestCaseInsensitive extends Test {
+
+    @Override
+    public int option() {
+        return Option.IGNORECASE;
+    }
+    @Override
+    public Encoding encoding() {
+        return UTF8Encoding.INSTANCE;
+    }
+    @Override
+    public String testEncoding() {
+        return "utf-8";
+    }
+    @Override
+    public Syntax syntax() {
+        return Syntax.TEST;
+    }
+
+    @Override
+    public void test() throws Exception {
+        xx("^\\d\\d\\d-".getBytes(), new byte[]{-30, -126, -84, 48, 45}, 0, 0, 0, true);
+        x2s("ab", "\uD835\uDC4D ab", 5, 7);
+    }
+}