initial commit

src/test/java/jef/visitors/DebugExpressionVisitorTest.java

@@ -0,0 +1,23 @@
+package jef.visitors;
+
+import jef.DBSet;
+import jef.Queryable;
+import jef.expressions.visitors.DebugExpressionVisitor;
+import jef.operations.FilterOpTest;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+class DebugExpressionVisitorTest {
+    @Test
+    public void test() {
+        var s = List.of(1, 3);
+        Queryable<FilterOpTest.TestClass> q = new DBSet<FilterOpTest.TestClass>("table1")
+                .filter(e -> s.contains(e.b) && e.b == 1337 && e.b == 420);
+        new DebugExpressionVisitor().visit(q.getExpression());
+
+        Queryable<FilterOpTest.TestClass> q2 = new DBSet<FilterOpTest.TestClass>("table1")
+                .filter(e -> s.contains(e.b) || e.b == 1337);
+        new DebugExpressionVisitor().visit(q2.getExpression());
+    }
+}