47 lines
1.6 KiB
Java
47 lines
1.6 KiB
Java
package btools.expressions;
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import java.util.*;
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import java.io.*;
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import java.net.URL;
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import org.junit.Assert;
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import org.junit.Test;
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public class EncodeDecodeTest
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{
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@Test
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public void encodeDecodeTest()
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{
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URL testpurl = this.getClass().getResource( "/dummy.txt" );
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File workingDir = new File(testpurl.getFile()).getParentFile();
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File profileDir = new File( workingDir, "/../../../misc/profiles2" );
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File lookupFile = new File( profileDir, "lookups.dat" );
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// read lookup.dat + trekking.brf
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BExpressionMetaData meta = new BExpressionMetaData();
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BExpressionContextWay expctxWay = new BExpressionContextWay( meta );
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meta.readMetaData( lookupFile );
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expctxWay.parseFile( new File( profileDir, "trekking.brf" ), "global" );
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String[] tags = { "highway=residential", "oneway=yes", "reversedirection=yes" };
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// encode the tags into 64 bit description word
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int[] lookupData = expctxWay.createNewLookupData();
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for( String arg: tags )
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{
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int idx = arg.indexOf( '=' );
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if ( idx < 0 ) throw new IllegalArgumentException( "bad argument (should be <tag>=<value>): " + arg );
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String key = arg.substring( 0, idx );
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String value = arg.substring( idx+1 );
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expctxWay.addLookupValue( key, value, lookupData );
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}
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byte[] description = expctxWay.encode(lookupData);
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// calculate the cost factor from that description
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expctxWay.evaluate( true, description ); // true = "reversedirection=yes" (not encoded in description anymore)
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float costfactor = expctxWay.getCostfactor();
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Assert.assertTrue( "costfactor mismatch", Math.abs( costfactor - 5.15 ) < 0.00001 );
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}
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}
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