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UTF8StringValueTest.java
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UTF8StringValueTest.java
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/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.values.storable;
import org.junit.Test;
import java.nio.charset.StandardCharsets;
import static java.lang.String.format;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.neo4j.values.storable.Values.stringValue;
import static org.neo4j.values.storable.Values.utf8Value;
public class UTF8StringValueTest
{
private String[] strings = {"", "1337", " ", "普通话/普通話", "\uD83D\uDE21", " a b c ", "䤹", "熨", "ۼ",
"ⲹ楡톜ഷۢ⼈늉₭샺ጚ砧攡跿家䯶鲏⬖돛犽ۼ"};
@Test
public void shouldHandleDifferentTypesOfStrings()
{
for ( String string : strings )
{
TextValue stringValue = stringValue( string );
byte[] bytes = string.getBytes( StandardCharsets.UTF_8 );
TextValue utf8 = utf8Value( bytes );
assertSame( stringValue, utf8 );
}
}
@Test
public void shouldTrimDifferentTypesOfStrings()
{
for ( String string : strings )
{
TextValue stringValue = stringValue( string );
byte[] bytes = string.getBytes( StandardCharsets.UTF_8 );
TextValue utf8 = utf8Value( bytes );
assertSame( stringValue.trim(), utf8.trim() );
}
}
@Test
public void shouldFoo()
{
String string = "熨"; // "ۼ";
TextValue stringValue = stringValue( string );
byte[] bytes = string.getBytes( StandardCharsets.UTF_8 );
TextValue utf8 = utf8Value( bytes );
assertSame( stringValue.trim(), utf8.trim() );
}
@Test
public void shouldHandleOffset()
{
// Given
byte[] bytes = "abcdefg".getBytes( StandardCharsets.UTF_8 );
// When
TextValue textValue = utf8Value( bytes, 3, 2 );
// Then
assertSame( textValue, stringValue( "de" ) );
}
private void assertSame( TextValue lhs, TextValue rhs )
{
assertThat( format( "%s.length != %s.length", lhs, rhs ), lhs.length(),
equalTo( rhs.length() ) );
assertThat( format( "%s != %s", lhs, rhs ), lhs, equalTo( rhs ) );
assertThat( format( "%s != %s", rhs, lhs ), rhs, equalTo( lhs ) );
assertThat( format( "%s.hashCode != %s.hashCode", rhs, lhs ), lhs.hashCode(), equalTo( rhs.hashCode() ) );
}
}