| /* |
| * 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.flink.types; |
| |
| import org.apache.flink.core.memory.MemorySegment; |
| import org.apache.flink.core.memory.MemorySegmentFactory; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class NormalizableKeyTest { |
| |
| @Test |
| public void testIntValue() { |
| IntValue int0 = new IntValue(10); |
| IntValue int1 = new IntValue(10); |
| IntValue int2 = new IntValue(-10); |
| IntValue int3 = new IntValue(255); |
| IntValue int4 = new IntValue(Integer.MAX_VALUE); |
| IntValue int5 = new IntValue(Integer.MAX_VALUE & 0xff800000); |
| IntValue int6 = new IntValue(Integer.MIN_VALUE); |
| IntValue int7 = new IntValue(Integer.MIN_VALUE & 0xff800000); |
| |
| for (int length = 2; length <= 4; length++) { |
| assertNormalizableKey(int0, int1, length); |
| assertNormalizableKey(int0, int2, length); |
| assertNormalizableKey(int0, int3, length); |
| assertNormalizableKey(int0, int4, length); |
| assertNormalizableKey(int0, int5, length); |
| assertNormalizableKey(int0, int6, length); |
| assertNormalizableKey(int0, int7, length); |
| assertNormalizableKey(int4, int5, length); |
| assertNormalizableKey(int6, int7, length); |
| } |
| } |
| |
| @Test |
| public void testLongValue() { |
| LongValue long0 = new LongValue(10); |
| LongValue long1 = new LongValue(10); |
| LongValue long2 = new LongValue(-10); |
| LongValue long3 = new LongValue(255); |
| LongValue long4 = new LongValue(Long.MAX_VALUE); |
| LongValue long5 = new LongValue(Long.MAX_VALUE & 0xff80000000000000L); |
| LongValue long6 = new LongValue(Long.MIN_VALUE); |
| LongValue long7 = new LongValue(Long.MIN_VALUE & 0xff80000000000000L); |
| |
| for (int length = 2; length <= 8; length++) { |
| assertNormalizableKey(long0, long1, length); |
| assertNormalizableKey(long0, long2, length); |
| assertNormalizableKey(long0, long3, length); |
| assertNormalizableKey(long0, long4, length); |
| assertNormalizableKey(long0, long5, length); |
| assertNormalizableKey(long0, long6, length); |
| assertNormalizableKey(long0, long7, length); |
| assertNormalizableKey(long4, long5, length); |
| assertNormalizableKey(long6, long7, length); |
| } |
| } |
| |
| |
| |
| @Test |
| public void testStringValue() { |
| StringValue string0 = new StringValue("This is a test"); |
| StringValue string1 = new StringValue("This is a test with some longer String"); |
| StringValue string2 = new StringValue("This is a tesa"); |
| StringValue string3 = new StringValue("This"); |
| StringValue string4 = new StringValue("Ünlaut ßtring µ avec é y ¢"); |
| |
| for (int length = 5; length <= 15; length+=10) { |
| assertNormalizableKey(string0, string1, length); |
| assertNormalizableKey(string0, string2, length); |
| assertNormalizableKey(string0, string3, length); |
| assertNormalizableKey(string0, string4, length); |
| } |
| } |
| |
| @Test |
| public void testPactNull() { |
| |
| final NullValue pn1 = new NullValue(); |
| final NullValue pn2 = new NullValue(); |
| |
| assertNormalizableKey(pn1, pn2, 0); |
| } |
| |
| @Test |
| public void testPactChar() { |
| |
| final CharValue c1 = new CharValue((char) 0); |
| final CharValue c2 = new CharValue((char) 1); |
| final CharValue c3 = new CharValue((char) 0xff); |
| final CharValue c4 = new CharValue(Character.MAX_VALUE); |
| final CharValue c5 = new CharValue((char) (Character.MAX_VALUE + (char) 1)); |
| final CharValue c6 = new CharValue(Character.MAX_HIGH_SURROGATE); |
| final CharValue c7 = new CharValue(Character.MAX_LOW_SURROGATE); |
| final CharValue c8 = new CharValue(Character.MAX_SURROGATE); |
| |
| CharValue[] allChars = new CharValue[] { |
| c1, c2, c3, c4, c5, c6, c7, c8 }; |
| |
| for (int i = 0; i < 5; i++) { |
| // self checks |
| for (CharValue allChar1 : allChars) { |
| for (CharValue allChar : allChars) { |
| assertNormalizableKey(allChar1, allChar, i); |
| } |
| } |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| private <T extends Comparable<T>> void assertNormalizableKey(NormalizableKey<T> key1, NormalizableKey<T> key2, int len) { |
| |
| byte[] normalizedKeys = new byte[32]; |
| MemorySegment wrapper = MemorySegmentFactory.wrap(normalizedKeys); |
| |
| key1.copyNormalizedKey(wrapper, 0, len); |
| key2.copyNormalizedKey(wrapper, len, len); |
| |
| for (int i = 0; i < len; i++) { |
| int comp; |
| int normKey1 = normalizedKeys[i] & 0xFF; |
| int normKey2 = normalizedKeys[len + i] & 0xFF; |
| |
| if ((comp = (normKey1 - normKey2)) != 0) { |
| if (Math.signum(key1.compareTo((T) key2)) != Math.signum(comp)) { |
| Assert.fail("Normalized key comparison differs from actual key comparision"); |
| } |
| return; |
| } |
| } |
| if (key1.compareTo((T) key2) != 0 && key1.getMaxNormalizedKeyLen() <= len) { |
| Assert.fail("Normalized key was not able to distinguish keys, " + |
| "although it should as the length of it sufficies to uniquely identify them"); |
| } |
| } |
| |
| } |