1 files changed, 52 insertions, 0 deletions

diff --git a/src/test/java/org/yaml/snakeyaml/issues/issue348/MultiLevelImmutableTest.java b/src/test/java/org/yaml/snakeyaml/issues/issue348/MultiLevelImmutableTest.java
new file mode 100644
index 00000000..accc8f75
--- /dev/null
+++ b/src/test/java/org/yaml/snakeyaml/issues/issue348/MultiLevelImmutableTest.java
@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) 2008, SnakeYAML
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.yaml.snakeyaml.issues.issue348;
+
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+
+import java.util.List;
+import java.util.Map;
+import org.junit.Test;
+import org.yaml.snakeyaml.Util;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.issues.issue348.model.Bar;
+import org.yaml.snakeyaml.issues.issue348.model.Baz;
+import org.yaml.snakeyaml.issues.issue348.model.Foo;
+
+public class MultiLevelImmutableTest {
+
+  @Test
+  public void testUnexpectedRecursive() {
+    Yaml yaml = new Yaml();
+    String data = Util.getLocalResource("issues/issue348.yaml");
+    Map<?, ?> loadedMap = yaml.loadAs(data, Map.class);
+
+    for (Map.Entry<?, ?> entry : loadedMap.entrySet()) {
+      assertThat(entry.getValue(), instanceOf(List.class));
+    }
+
+    Object foo = ((List) loadedMap.get("foo")).get(0);
+    Object bar = ((List) loadedMap.get("bar")).get(0);
+    Object baz = ((List) loadedMap.get("baz")).get(0);
+    assertThat(foo, instanceOf(Foo.class));
+    assertThat(bar, instanceOf(Bar.class));
+    assertThat(baz, instanceOf(Baz.class));
+
+    assertEquals(foo, ((Bar) bar).getFoo());
+    assertEquals(bar, ((Baz) baz).getBar());
+    assertEquals("foo", ((Foo) foo).getFoo());
+  }
+}