/**
* Copyright 2014 Andreas Schildbach
* <p/>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.bither.bitherj.script;
import org.junit.Test;
import static net.bither.bitherj.script.ScriptOpCodes.OP_PUSHDATA1;
import static net.bither.bitherj.script.ScriptOpCodes.OP_PUSHDATA2;
import static net.bither.bitherj.script.ScriptOpCodes.OP_PUSHDATA4;
import static org.junit.Assert.*;
public class ScriptChunkTest {
@Test
public void testShortestPossibleDataPush() {
assertTrue("empty push", new ScriptBuilder().data(new byte[0]).build().getChunks().get(0)
.isShortestPossiblePushData());
for (byte i = -1; i < 127; i++)
assertTrue("push of single byte " + i, new ScriptBuilder().data(new byte[]{i}).build().getChunks()
.get(0).isShortestPossiblePushData());
for (int len = 2; len < Script.MAX_SCRIPT_ELEMENT_SIZE; len++)
assertTrue("push of " + len + " bytes", new ScriptBuilder().data(new byte[len]).build().getChunks().get(0)
.isShortestPossiblePushData());
// non-standard chunks
for (byte i = 1; i <= 16; i++)
assertFalse("push of smallnum " + i, new ScriptChunk(1, new byte[]{i}).isShortestPossiblePushData());
assertFalse("push of 75 bytes", new ScriptChunk(OP_PUSHDATA1, new byte[75]).isShortestPossiblePushData());
assertFalse("push of 255 bytes", new ScriptChunk(OP_PUSHDATA2, new byte[255]).isShortestPossiblePushData());
assertFalse("push of 65535 bytes", new ScriptChunk(OP_PUSHDATA4, new byte[65535]).isShortestPossiblePushData());
}
}