ben/brouter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

some microtuning

Browse source
This commit is contained in:
Arndt Brenschede 2019-07-20 10:10:51 +02:00
parent d963814d78
commit 2213d4f7fc
9 changed files with 278 additions and 149 deletions
Download patch file Download diff file Expand all files Collapse all files

20
brouter-util/src/test/java/btools/util/BitCoderContextTest.java
View file

@ -8,18 +8,29 @@ public class BitCoderContextTest
@Test
public void varBitsEncodeDecodeTest()
{
byte[] ab = new byte[4000];
byte[] ab = new byte[581969];
BitCoderContext ctx = new BitCoderContext( ab );
for ( int i = 0; i < 1000; i++ )
for ( int i = 0; i < 31; i++ )
{
ctx.encodeVarBits( (1<<i)+3 );
}
for ( int i = 0; i < 100000; i+=13 )
{
ctx.encodeVarBits( i );
}
ctx.closeAndGetEncodedLength();
ctx = new BitCoderContext( ab );
for ( int i = 0; i < 1000; i++ )
for ( int i = 0; i < 31; i++ )
{
int value = ctx.decodeVarBits();
Assert.assertTrue( "distance value mismatch i=" + i + "v=" + value, value == i );
int v0 = (1<<i)+3;
Assert.assertTrue( "value mismatch value=" + value + "v0=" + v0, v0 == value );
}
for ( int i = 0; i < 100000; i+=13 )
{
int value = ctx.decodeVarBits();
Assert.assertTrue( "value mismatch i=" + i + "v=" + value, value == i );
}
}
@ -35,6 +46,7 @@ public class BitCoderContextTest
ctx.encodeBounded( max, val );
}
}
ctx.closeAndGetEncodedLength();
ctx = new BitCoderContext( ab );