1 files changed, 92 insertions, 0 deletions

diff --git a/src/test/java/org/yaml/snakeyaml/issues/issue480/AnchorUnicodeTest.java b/src/test/java/org/yaml/snakeyaml/issues/issue480/AnchorUnicodeTest.java
new file mode 100644
index 00000000..5c195f66
--- /dev/null
+++ b/src/test/java/org/yaml/snakeyaml/issues/issue480/AnchorUnicodeTest.java
@@ -0,0 +1,92 @@
+/**
+ * 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.issue480;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import junit.framework.TestCase;
+import org.yaml.snakeyaml.DumperOptions;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.emitter.EmitterException;
+import org.yaml.snakeyaml.nodes.Node;
+import org.yaml.snakeyaml.serializer.AnchorGenerator;
+
+public class AnchorUnicodeTest extends TestCase {
+
+  private static final Set<Character> INVALID_ANCHOR = new HashSet();
+
+  static {
+    INVALID_ANCHOR.add('[');
+    INVALID_ANCHOR.add(']');
+    INVALID_ANCHOR.add('{');
+    INVALID_ANCHOR.add('}');
+    INVALID_ANCHOR.add(',');
+    INVALID_ANCHOR.add('*');
+    INVALID_ANCHOR.add('&');
+  }
+
+  public void testUnicodeAnchor() {
+    DumperOptions options = new DumperOptions();
+    options.setAnchorGenerator(new AnchorGenerator() {
+      int id = 0;
+
+      @Override
+      public String nextAnchor(Node node) {
+        return "タスク" + id++;
+      }
+    });
+
+    Yaml yaml = new Yaml(options);
+
+    List<String> list = new ArrayList<>();
+    list.add("abc");
+
+    List<List<String>> toExport = new ArrayList<>();
+    toExport.add(list);
+    toExport.add(list);
+
+    String output = yaml.dump(toExport);
+    assertEquals("- &タスク0 [abc]\n- *タスク0\n", output);
+  }
+
+  public void testInvalidAnchor() {
+    for (Character ch : INVALID_ANCHOR) {
+      Yaml yaml = new Yaml(createSettings(ch));
+      List<String> list = new ArrayList<>();
+      list.add("abc");
+      List<List<String>> toExport = new ArrayList<>();
+      toExport.add(list);
+      toExport.add(list);
+      try {
+        yaml.dump(toExport);
+        fail();
+      } catch (EmitterException e) {
+        assertTrue(e.getMessage().startsWith("Invalid character"));
+      }
+    }
+  }
+
+  private DumperOptions createSettings(final Character invalid) {
+    DumperOptions options = new DumperOptions();
+    options.setAnchorGenerator(new AnchorGenerator() {
+      @Override
+      public String nextAnchor(Node node) {
+        return "anchor" + invalid;
+      }
+    });
+    return options;
+  }
+}