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tests for System.arraycopy

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This commit is contained in:
Volker Berlin 2019-10-20 14:14:50 +02:00
parent 7518188ded
commit b3ac7c49fc
1 changed files with 29 additions and 0 deletions
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29
test/de/inetsoftware/jwebassembly/runtime/ArrayOperations.java
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@ -18,6 +18,7 @@ package de.inetsoftware.jwebassembly.runtime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.zip.CRC32;
import org.junit.Assume;
import org.junit.ClassRule;
@ -56,6 +57,8 @@ public class ArrayOperations extends AbstractBaseTest {
addParam( list, script, "loopFloat" );
addParam( list, script, "loopDouble" );
addParam( list, script, "loopObject" );
addParam( list, script, "copyBack2Front" );
addParam( list, script, "copyFront2Back" );
}
rule.setTestParameters( list );
return list;
@ -156,5 +159,31 @@ public class ArrayOperations extends AbstractBaseTest {
}
return sum;
}
@Export
static double copyBack2Front() {
byte[] a = new byte[50];
for( int i = 0; i < a.length; i++ ) {
a[i] = (byte)i;
}
System.arraycopy( a, 20, a, 15, 10 );
CRC32 crc = new CRC32();
crc.update( a );
return crc.getValue();
}
@Export
static double copyFront2Back() {
byte[] a = new byte[50];
for( int i = 0; i < a.length; i++ ) {
a[i] = (byte)i;
}
System.arraycopy( a, 15, a, 20, 10 );
CRC32 crc = new CRC32();
crc.update( a );
return crc.getValue();
}
}
}