--- /dev/null
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.yangtools.yang.stmt;
+
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.List;
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
+import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.UnionTypeDefinition;
+
+public class Bug5396Test {
+ @Test
+ public void test() throws Exception {
+ SchemaContext context = StmtTestUtils.parseYangSources("/bugs/bug5396");
+ assertNotNull(context);
+
+ QName root = QName.create("foo", "root");
+ QName myLeaf2 = QName.create("foo", "my-leaf2");
+
+ SchemaNode findDataSchemaNode = context.findDataTreeChild(root, myLeaf2).get();
+ assertThat(findDataSchemaNode, instanceOf(LeafSchemaNode.class));
+
+ LeafSchemaNode leaf2 = (LeafSchemaNode) findDataSchemaNode;
+ TypeDefinition<?> type = leaf2.getType();
+ assertThat(type, instanceOf(UnionTypeDefinition.class));
+
+ UnionTypeDefinition union = (UnionTypeDefinition) type;
+ List<TypeDefinition<?>> types = union.getTypes();
+
+ assertEquals(4, types.size());
+
+ TypeDefinition<?> type0 = types.get(0);
+ TypeDefinition<?> type1 = types.get(1);
+ TypeDefinition<?> type2 = types.get(2);
+ TypeDefinition<?> type3 = types.get(3);
+
+ assertNotEquals(type0, type1);
+ assertNotEquals(type0, type2);
+ assertNotEquals(type0, type3);
+
+ assertThat(type0, instanceOf(StringTypeDefinition.class));
+ assertThat(type1, instanceOf(StringTypeDefinition.class));
+ assertThat(type2, instanceOf(StringTypeDefinition.class));
+ assertThat(type3, instanceOf(StringTypeDefinition.class));
+
+ StringTypeDefinition stringType0 = (StringTypeDefinition) type0;
+ StringTypeDefinition stringType1 = (StringTypeDefinition) type1;
+ StringTypeDefinition stringType2 = (StringTypeDefinition) type2;
+ StringTypeDefinition stringType3 = (StringTypeDefinition) type3;
+
+ final List<PatternConstraint> patternConstraints0 = stringType0.getPatternConstraints();
+ final List<PatternConstraint> patternConstraints1 = stringType1.getPatternConstraints();
+ final List<PatternConstraint> patternConstraints2 = stringType2.getPatternConstraints();
+ final List<PatternConstraint> patternConstraints3 = stringType3.getPatternConstraints();
+
+ assertEquals(1, patternConstraints0.size());
+ assertEquals(1, patternConstraints1.size());
+ assertEquals(1, patternConstraints2.size());
+ assertEquals(1, patternConstraints3.size());
+
+ final PatternConstraint patternConstraint0 = patternConstraints0.get(0);
+ final PatternConstraint patternConstraint1 = patternConstraints1.get(0);
+ final PatternConstraint patternConstraint2 = patternConstraints2.get(0);
+ final PatternConstraint patternConstraint3 = patternConstraints3.get(0);
+
+ assertEquals("^(?:dp[0-9]+o[0-9]+(d[0-9]+)?)$", patternConstraint0.getJavaPatternString());
+ assertEquals("^(?:dp[0-9]+s[0-9]+(f[0-9]+)?(d[0-9]+)?)$", patternConstraint1.getJavaPatternString());
+ assertEquals("^(?:dp[0-9]+(P[0-9]+)?p[0-9]{1,3}s[0-9]{1,3}(f[0-9]+)?(d[0-9]+)?)$",
+ patternConstraint2.getJavaPatternString());
+ assertEquals("^(?:dp[0-9]+p[0-9]+p[0-9]+)$", patternConstraint3.getJavaPatternString());
+ }
+}