diff options
Diffstat (limited to 'policy-core/src/test/java/org/onap/policy/drools/core/lock/TestUtils.java')
-rw-r--r-- | policy-core/src/test/java/org/onap/policy/drools/core/lock/TestUtils.java | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/policy-core/src/test/java/org/onap/policy/drools/core/lock/TestUtils.java b/policy-core/src/test/java/org/onap/policy/drools/core/lock/TestUtils.java new file mode 100644 index 00000000..2e353936 --- /dev/null +++ b/policy-core/src/test/java/org/onap/policy/drools/core/lock/TestUtils.java @@ -0,0 +1,59 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.drools.core.lock; + +public class TestUtils { + + /** + * Invokes a function that is expected to throw an exception. + * + * @param clazz class of exception that is expected + * @param func + * @return + */ + public static <T> T expectException(Class<T> clazz, VoidFunction func) { + try { + func.apply(null); + throw new AssertionError("missing exception"); + + } catch (Exception e) { + try { + return clazz.cast(e); + + } catch (ClassCastException e2) { + throw new AssertionError("incorrect exception type", e2); + } + } + } + + /** + * Void function that may throw an exception. + */ + @FunctionalInterface + public static interface VoidFunction { + + /** + * + * @param arg always {@code null} + */ + public void apply(Void arg) throws Exception; + } +} |