Populate parser/ hierarchy
[yangtools.git] / parser / yang-parser-rfc7950 / src / test / java / org / opendaylight / yangtools / yang / stmt / YT971Test.java
diff --git a/parser/yang-parser-rfc7950/src/test/java/org/opendaylight/yangtools/yang/stmt/YT971Test.java b/parser/yang-parser-rfc7950/src/test/java/org/opendaylight/yangtools/yang/stmt/YT971Test.java
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+/*
+ * Copyright (c) 2019 Ericsson AB. 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.MatcherAssert.assertThat;
+import static org.hamcrest.core.IsInstanceOf.instanceOf;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.Optional;
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+import org.opendaylight.yangtools.yang.common.Revision;
+import org.opendaylight.yangtools.yang.common.XMLNamespace;
+import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.type.Int16TypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.Int32TypeDefinition;
+
+public class YT971Test {
+    private static final QNameModule NAMESPACE = QNameModule.create(XMLNamespace.of("test"), Revision.of("2019-03-25"));
+
+    @Test
+    public void testEscapeLexer() throws Exception {
+        final SchemaContext schemaContext = StmtTestUtils.parseYangSource("/bugs/YT971/test.yang");
+        assertNotNull(schemaContext);
+
+        final DataSchemaNode someContainer = schemaContext.getDataChildByName(
+            QName.create(NAMESPACE, "some-container"));
+        assertThat(someContainer, instanceOf(ContainerSchemaNode.class));
+        final ContainerSchemaNode containerSchemaNode = (ContainerSchemaNode) someContainer;
+
+        final DataSchemaNode someLeaf = containerSchemaNode.getDataChildByName(QName.create(NAMESPACE, "some-leaf"));
+        assertThat(someLeaf, instanceOf(LeafSchemaNode.class));
+        final LeafSchemaNode leafSchemaNode = (LeafSchemaNode) someLeaf;
+        assertEquals(Optional.of("Some string that ends with a backslash (with escape backslash too) \\"),
+                     leafSchemaNode.getDescription());
+        assertThat(leafSchemaNode.getType(), instanceOf(Int16TypeDefinition.class));
+
+        final DataSchemaNode someOtherLeaf = containerSchemaNode.getDataChildByName(
+            QName.create(NAMESPACE, "some-other-leaf"));
+        assertThat(someOtherLeaf, instanceOf(LeafSchemaNode.class));
+
+        final LeafSchemaNode otherLeafSchemaNode = (LeafSchemaNode) someOtherLeaf;
+        assertEquals(Optional.of("Some string after the double backslash"), otherLeafSchemaNode.getDescription());
+        assertThat(otherLeafSchemaNode.getType(), instanceOf(Int32TypeDefinition.class));
+    }
+}