/*
* 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.
*/
package com.facebook.presto.spi;
import org.testng.annotations.Test;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import static com.facebook.presto.spi.StandardErrorCode.GENERIC_INSUFFICIENT_RESOURCES;
import static com.facebook.presto.spi.StandardErrorCode.GENERIC_INTERNAL_ERROR;
import static io.airlift.testing.Assertions.assertGreaterThan;
import static io.airlift.testing.Assertions.assertLessThan;
import static java.util.Arrays.asList;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
public class TestStandardErrorCode
{
private static final int EXTERNAL_ERROR_START = 0x0100_0000;
@Test
public void testUnique()
{
Set<Integer> codes = new HashSet<>();
for (StandardErrorCode code : StandardErrorCode.values()) {
assertTrue(codes.add(code(code)), "Code already exists: " + code);
}
assertEquals(codes.size(), StandardErrorCode.values().length);
}
@Test
public void testReserved()
{
for (StandardErrorCode errorCode : StandardErrorCode.values()) {
assertLessThan(code(errorCode), EXTERNAL_ERROR_START);
}
}
@Test
public void testOrdering()
throws Exception
{
Iterator<StandardErrorCode> iterator = asList(StandardErrorCode.values()).iterator();
assertTrue(iterator.hasNext());
int previous = code(iterator.next());
while (iterator.hasNext()) {
StandardErrorCode code = iterator.next();
int current = code(code);
assertGreaterThan(current, previous, "Code is out of order: " + code);
if ((code != GENERIC_INTERNAL_ERROR) && (code != GENERIC_INSUFFICIENT_RESOURCES)) {
assertEquals(current, previous + 1, "Code is not sequential: " + code);
}
previous = current;
}
}
private static int code(StandardErrorCode error)
{
return error.toErrorCode().getCode();
}
}