Make scopes generally traversable.

1 files changed, 23 insertions, 0 deletions

diff --git a/javaparser-testing/src/test/java/com/github/javaparser/ast/nodeTypes/NodeWithTraversableScopeTest.java b/javaparser-testing/src/test/java/com/github/javaparser/ast/nodeTypes/NodeWithTraversableScopeTest.java
new file mode 100644
index 000000000..59aaf4e63
--- /dev/null
+++ b/javaparser-testing/src/test/java/com/github/javaparser/ast/nodeTypes/NodeWithTraversableScopeTest.java
@@ -0,0 +1,23 @@
+package com.github.javaparser.ast.nodeTypes;
+
+import com.github.javaparser.ast.expr.FieldAccessExpr;
+import com.github.javaparser.ast.expr.MethodCallExpr;
+import org.junit.Test;
+
+import static com.github.javaparser.JavaParser.parseExpression;
+import static com.github.javaparser.utils.TestUtils.assertInstanceOf;
+import static org.junit.Assert.assertFalse;
+
+public class NodeWithTraversableScopeTest {
+    @Test
+    public void traverse1() {
+        NodeWithTraversableScope expression = parseExpression("getAddress().name.startsWith(\"abc\")");
+
+        assertInstanceOf(MethodCallExpr.class, expression);
+        expression = (NodeWithTraversableScope) expression.traverseScope().get();
+        assertInstanceOf(FieldAccessExpr.class, expression);
+        expression = (NodeWithTraversableScope) expression.traverseScope().get();
+        assertInstanceOf(MethodCallExpr.class, expression);
+        assertFalse(expression.traverseScope().isPresent());
+    }
+}