--- /dev/null
+/*
+ * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.CoreMatchers.startsWith;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertThrows;
+
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
+import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
+
+public class YT1189Test {
+ @Test
+ public void testDescendantAugment() {
+ final ReactorException ex = assertThrows(ReactorException.class,
+ () -> StmtTestUtils.parseYangSource("/bugs/YT1189/foo.yang"));
+ final Throwable cause = ex.getCause();
+ assertThat(cause, instanceOf(SourceException.class));
+ assertThat(cause.getMessage(),
+ startsWith("Descendant schema node identifier is not allowed when used outside of a uses statement [at "));
+ }
+
+ @Test
+ public void testAbsoluteUsesAugment() {
+ final ReactorException ex = assertThrows(ReactorException.class,
+ () -> StmtTestUtils.parseYangSource("/bugs/YT1189/bar.yang"));
+ final Throwable cause = ex.getCause();
+ assertThat(cause, instanceOf(SourceException.class));
+ assertThat(cause.getMessage(),
+ startsWith("Absolute schema node identifier is not allowed when used within a uses statement [at "));
+ }
+}