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CharValueTest.java
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CharValueTest.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.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.neo4j.values.storable.Values.EMPTY_STRING;
import static org.neo4j.values.storable.Values.charValue;
import static org.neo4j.values.storable.Values.stringValue;
import static org.neo4j.values.virtual.VirtualValues.list;
public class CharValueTest
{
@Rule
public ExpectedException exception = ExpectedException.none();
private char[] chars = {' ', '楡', 'a', '7', 'Ö'};
@Test
public void shouldHandleDifferentTypesOfChars()
{
for ( char c : chars )
{
TextValue charValue = charValue( c );
TextValue stringValue = stringValue( Character.toString( c ) );
assertThat( charValue, equalTo( stringValue ) );
assertThat( charValue.length(), equalTo( stringValue.length() ) );
assertThat( charValue.hashCode(), equalTo( stringValue.hashCode() ) );
assertThat( charValue.split( Character.toString( c ) ),
equalTo( stringValue.split( Character.toString( c ) ) ) );
assertThat( charValue.toUpper(), equalTo( stringValue.toUpper() ) );
assertThat( charValue.toLower(), equalTo( stringValue.toLower() ) );
}
}
@Test
public void shouldSplit()
{
CharValue charValue = charValue( 'a' );
assertThat( charValue.split( "a" ), equalTo( list( EMPTY_STRING, EMPTY_STRING ) ) );
assertThat( charValue.split( "A" ), equalTo( list( charValue ) ) );
}
@Test
public void shouldTrim()
{
assertThat( charValue( 'a' ).trim(), equalTo( charValue( 'a' ) ) );
assertThat( charValue( ' ' ).trim(), equalTo( EMPTY_STRING ) );
}
@Test
public void shouldLTrim()
{
assertThat( charValue( 'a' ).ltrim(), equalTo( charValue( 'a' ) ) );
assertThat( charValue( ' ' ).ltrim(), equalTo( EMPTY_STRING ) );
}
@Test
public void shouldRTrim()
{
assertThat( charValue( 'a' ).rtrim(), equalTo( charValue( 'a' ) ) );
assertThat( charValue( ' ' ).rtrim(), equalTo( EMPTY_STRING ) );
}
@Test
public void shouldReverse()
{
for ( char c : chars )
{
CharValue charValue = charValue( c );
assertThat( charValue.reverse(), equalTo( charValue ) );
}
}
@Test
public void shouldReplace()
{
assertThat( charValue( 'a' ).replace( "a", "a long string" ), equalTo( stringValue( "a long string" ) ) );
assertThat( charValue( 'a' ).replace( "b", "a long string" ), equalTo( charValue( 'a' ) ) );
}
@Test
public void shouldSubstring()
{
assertThat( charValue( 'a' ).substring( 0, 1 ), equalTo( charValue( 'a' ) ) );
assertThat( charValue( 'a' ).substring( 1, 3 ), equalTo( EMPTY_STRING ) );
}
}