1 files changed, 92 insertions, 0 deletions
diff --git a/src/test/java/org/apache/commons/lang3/concurrent/CircuitBreakingExceptionTest.java b/src/test/java/org/apache/commons/lang3/concurrent/CircuitBreakingExceptionTest.java
new file mode 100644
index 000000000..bf19b49c4
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+++ b/src/test/java/org/apache/commons/lang3/concurrent/CircuitBreakingExceptionTest.java
@@ -0,0 +1,92 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.commons.lang3.concurrent;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.apache.commons.lang3.exception.AbstractExceptionTest;
+import org.junit.jupiter.api.Test;
+
+
+/**
+ * JUnit tests for {@link CircuitBreakingException}.
+ */
+public class CircuitBreakingExceptionTest extends AbstractExceptionTest {
+
+    @Test
+    public void testThrowingInformativeException() {
+        assertThrows(CircuitBreakingException.class, () -> {
+            throw new CircuitBreakingException(EXCEPTION_MESSAGE, generateCause());
+        });
+    }
+
+    @Test
+    public void testThrowingExceptionWithMessage() {
+        assertThrows(CircuitBreakingException.class, () -> {
+            throw new CircuitBreakingException(EXCEPTION_MESSAGE);
+        });
+    }
+
+    @Test
+    public void testThrowingExceptionWithCause() {
+        assertThrows(CircuitBreakingException.class, () -> {
+            throw new CircuitBreakingException(generateCause());
+        });
+    }
+
+    @Test
+    public void testThrowingEmptyException() {
+        assertThrows(CircuitBreakingException.class, () -> {
+            throw new CircuitBreakingException();
+        });
+    }
+
+    @Test
+    public void testWithCauseAndMessage() {
+        final Exception exception = new CircuitBreakingException(EXCEPTION_MESSAGE, generateCause());
+        assertNotNull(exception);
+        assertEquals(EXCEPTION_MESSAGE, exception.getMessage(), WRONG_EXCEPTION_MESSAGE);
+
+        final Throwable cause = exception.getCause();
+        assertNotNull(cause);
+        assertEquals(CAUSE_MESSAGE, cause.getMessage(), WRONG_CAUSE_MESSAGE);
+    }
+
+    @Test
+    public void testWithoutCause() {
+        final Exception exception = new CircuitBreakingException(EXCEPTION_MESSAGE);
+        assertNotNull(exception);
+        assertEquals(EXCEPTION_MESSAGE, exception.getMessage(), WRONG_EXCEPTION_MESSAGE);
+
+        final Throwable cause = exception.getCause();
+        assertNull(cause);
+    }
+
+    @Test
+    public void testWithoutMessage() {
+        final Exception exception = new CircuitBreakingException(generateCause());
+        assertNotNull(exception);
+        assertNotNull(exception.getMessage());
+
+        final Throwable cause = exception.getCause();
+        assertNotNull(cause);
+        assertEquals(CAUSE_MESSAGE, cause.getMessage(), WRONG_CAUSE_MESSAGE);
+    }
+}