/**
* 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.hadoop.hive.ql.util;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
public final class JavaDataModelTest {
private static final String DATA_MODEL_PROPERTY = "sun.arch.data.model";
private String previousModelSetting;
@Before
public void setUp() throws Exception {
previousModelSetting = System.getProperty(DATA_MODEL_PROPERTY);
}
@After
public void tearDown() throws Exception {
if (previousModelSetting != null) {
System.setProperty(DATA_MODEL_PROPERTY, previousModelSetting);
} else {
System.clearProperty(DATA_MODEL_PROPERTY);
}
}
@Test
public void testGetDoesNotReturnNull() throws Exception {
JavaDataModel model = JavaDataModel.get();
assertNotNull(model);
}
@Test
public void testGetModelForSystemWhenSetTo32() throws Exception {
System.setProperty(DATA_MODEL_PROPERTY, "32");
assertSame(JavaDataModel.JAVA32, JavaDataModel.getModelForSystem());
}
@Test
public void testGetModelForSystemWhenSetTo64() throws Exception {
System.setProperty(DATA_MODEL_PROPERTY, "64");
assertSame(JavaDataModel.JAVA64, JavaDataModel.getModelForSystem());
}
@Test
public void testGetModelForSystemWhenSetToUnknown() throws Exception {
System.setProperty(DATA_MODEL_PROPERTY, "unknown");
assertSame(JavaDataModel.JAVA64, JavaDataModel.getModelForSystem());
}
@Test
public void testGetModelForSystemWhenUndefined() throws Exception {
System.clearProperty(DATA_MODEL_PROPERTY);
assertSame(JavaDataModel.JAVA64, JavaDataModel.getModelForSystem());
}
}