TestTBaseHelper.java
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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package org.apache.thrift;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotSame;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.junit.jupiter.api.Test;
public class TestTBaseHelper {
@Test
public void testByteArrayComparison() {
assertTrue(TBaseHelper.compareTo(new byte[] {'a', 'b'}, new byte[] {'a', 'c'}) < 0);
}
@Test
public void testSets() {
Set<String> a = new HashSet<>();
Set<String> b = new HashSet<>();
assertEquals(0, TBaseHelper.compareTo(a, b));
a.add("test");
assertTrue(TBaseHelper.compareTo(a, b) > 0);
b.add("test");
assertEquals(0, TBaseHelper.compareTo(a, b));
b.add("aardvark");
assertTrue(TBaseHelper.compareTo(a, b) < 0);
a.add("test2");
assertTrue(TBaseHelper.compareTo(a, b) > 0);
}
@Test
public void testNestedStructures() {
Set<List<String>> a = new HashSet<>();
Set<List<String>> b = new HashSet<>();
a.add(Arrays.asList("a", "b"));
b.add(Arrays.asList("a", "b", "c"));
a.add(Arrays.asList("a", "b"));
b.add(Arrays.asList("a", "b", "c"));
assertTrue(TBaseHelper.compareTo(a, b) < 0);
}
@Test
public void testMapsInSets() {
Set<Map<String, Long>> a = new HashSet<>();
Set<Map<String, Long>> b = new HashSet<>();
assertEquals(0, TBaseHelper.compareTo(a, b));
Map<String, Long> innerA = new HashMap<>();
Map<String, Long> innerB = new HashMap<>();
a.add(innerA);
b.add(innerB);
innerA.put("a", 1L);
innerB.put("a", 2L);
assertTrue(TBaseHelper.compareTo(a, b) < 0);
}
@Test
public void testByteArraysInMaps() {
Map<byte[], Long> a = new HashMap<>();
Map<byte[], Long> b = new HashMap<>();
assertEquals(0, TBaseHelper.compareTo(a, b));
a.put(new byte[] {'a', 'b'}, 1000L);
b.put(new byte[] {'a', 'b'}, 1000L);
a.put(new byte[] {'a', 'b', 'd'}, 1000L);
b.put(new byte[] {'a', 'b', 'a'}, 1000L);
assertTrue(TBaseHelper.compareTo(a, b) > 0);
}
@Test
public void testMapsWithNulls() {
Map<String, String> a = new HashMap<>();
Map<String, String> b = new HashMap<>();
a.put("a", null);
a.put("b", null);
b.put("a", null);
b.put("b", null);
assertEquals(0, TBaseHelper.compareTo(a, b));
}
@Test
public void testMapKeyComparison() {
Map<String, String> a = new HashMap<>();
Map<String, String> b = new HashMap<>();
a.put("a", "a");
b.put("b", "a");
assertTrue(TBaseHelper.compareTo(a, b) < 0);
}
@Test
public void testMapValueComparison() {
Map<String, String> a = new HashMap<>();
Map<String, String> b = new HashMap<>();
a.put("a", "b");
b.put("a", "a");
assertTrue(TBaseHelper.compareTo(a, b) > 0);
}
@Test
public void testByteArraysInSets() {
Set<byte[]> a = new HashSet<>();
Set<byte[]> b = new HashSet<>();
if (TBaseHelper.compareTo(a, b) != 0)
throw new RuntimeException("Set compare failed:" + a + " vs. " + b);
a.add(new byte[] {'a', 'b'});
b.add(new byte[] {'a', 'b'});
a.add(new byte[] {'a', 'b', 'd'});
b.add(new byte[] {'a', 'b', 'a'});
assertTrue(TBaseHelper.compareTo(a, b) > 0);
}
@Test
public void testByteBufferToByteArray() throws Exception {
byte[] b1 = {10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
byte[] b2 = TBaseHelper.byteBufferToByteArray(ByteBuffer.wrap(b1));
assertEquals(b1, b2, "b1 and b2 should be the exact same array (identity) due to fast path");
byte[] b3 = TBaseHelper.byteBufferToByteArray(ByteBuffer.wrap(b1, 1, 3));
assertEquals(3, b3.length);
assertEquals(ByteBuffer.wrap(b1, 1, 3), ByteBuffer.wrap(b3));
}
@Test
public void testRightSize() throws Exception {
assertNull(TBaseHelper.rightSize(null));
}
@Test
public void testByteBufferToString() {
byte[] array = new byte[] {1, 2, 3};
ByteBuffer bb = ByteBuffer.wrap(array, 1, 2);
StringBuilder sb = new StringBuilder();
TBaseHelper.toString(bb, sb);
assertEquals("02 03", sb.toString());
bb = ByteBuffer.wrap(array, 0, array.length);
bb.position(1);
bb = bb.slice();
assertEquals(1, bb.arrayOffset());
assertEquals(0, bb.position());
assertEquals(2, bb.limit());
sb = new StringBuilder();
TBaseHelper.toString(bb, sb);
assertEquals("02 03", sb.toString());
}
@Test
public void testCopyBinaryWithByteBuffer() throws Exception {
byte[] bytes = new byte[] {0, 1, 2, 3, 4, 5};
ByteBuffer b = ByteBuffer.wrap(bytes);
ByteBuffer bCopy = TBaseHelper.copyBinary(b);
assertEquals(b, bCopy);
assertEquals(0, b.position());
b = ByteBuffer.allocateDirect(6);
b.put(bytes);
b.position(0);
bCopy = TBaseHelper.copyBinary(b);
assertEquals(6, b.remaining());
assertEquals(0, b.position());
assertEquals(b, bCopy);
b.mark();
b.get();
bCopy = TBaseHelper.copyBinary(b);
assertEquals(ByteBuffer.wrap(bytes, 1, 5), bCopy);
assertEquals(1, b.position());
b.reset();
assertEquals(0, b.position());
assertNull(TBaseHelper.copyBinary((ByteBuffer) null));
}
@Test
public void testCopyBinaryWithByteArray() throws Exception {
byte[] bytes = new byte[] {0, 1, 2, 3, 4, 5};
byte[] copy = TBaseHelper.copyBinary(bytes);
assertEquals(ByteBuffer.wrap(bytes), ByteBuffer.wrap(copy));
assertNotSame(bytes, copy);
assertNull(TBaseHelper.copyBinary((byte[]) null));
}
}