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333 lines
12 KiB
Java
333 lines
12 KiB
Java
/*
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* Copyright (C) 2010-2015 JPEXS, All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3.0 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library.
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*/
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package com.jpexs.decompiler.flash;
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import com.jpexs.decompiler.flash.action.Action;
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import com.jpexs.decompiler.flash.action.ActionList;
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import com.jpexs.decompiler.flash.action.parser.ActionParseException;
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import com.jpexs.decompiler.flash.action.parser.pcode.ASMParser;
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import com.jpexs.decompiler.flash.action.swf4.ActionJump;
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import com.jpexs.decompiler.flash.action.swf5.ActionGetMember;
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import com.jpexs.decompiler.flash.configuration.Configuration;
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import com.jpexs.decompiler.flash.exporters.modes.ScriptExportMode;
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import com.jpexs.decompiler.flash.helpers.CodeFormatting;
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import com.jpexs.decompiler.flash.helpers.HighlightedTextWriter;
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import com.jpexs.decompiler.flash.tags.DoActionTag;
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import java.io.BufferedInputStream;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import org.testng.Assert;
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import static org.testng.Assert.fail;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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/**
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*
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* @author JPEXS
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*/
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public class ActionScript2ModificationTest extends ActionStript2TestBase {
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@BeforeClass
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public void init() throws IOException, InterruptedException {
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//Main.initLogging(false);
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Configuration.autoDeobfuscate.set(false);
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Configuration.showAllAddresses.set(false);
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Configuration.pluginPath.set(null);
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swf = new SWF(new BufferedInputStream(new FileInputStream("testdata/as2/as2.swf")), false);
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}
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private String normalizeLabels(String actions) {
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int labelCnt = 1;
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while (true) {
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Pattern pattern = Pattern.compile("^([a-z][0-9a-z]+):", Pattern.MULTILINE);
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Matcher matcher = pattern.matcher(actions);
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if (matcher.find()) {
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String str = matcher.group(1);
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actions = actions.replaceAll(str, "label_" + labelCnt++);
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} else {
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break;
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}
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}
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return actions;
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}
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public void testRemoveAction(String actionsString, String expectedResult, int[] actionsToRemove) {
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try {
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ActionList actions = ASMParser.parse(0, true, actionsString, swf.version, false);
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for (int i : actionsToRemove) {
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actions.removeAction(i);
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}
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DoActionTag doa = getFirstActionTag();
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doa.setActionBytes(Action.actionsToBytes(actions, true, swf.version));
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HighlightedTextWriter writer = new HighlightedTextWriter(new CodeFormatting(), false);
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doa.getASMSource(ScriptExportMode.PCODE, writer, doa.getActions());
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String actualResult = normalizeLabels(writer.toString());
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actualResult = cleanPCode(actualResult);
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expectedResult = cleanPCode(expectedResult);
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Assert.assertEquals(actualResult, expectedResult);
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} catch (IOException | ActionParseException | InterruptedException ex) {
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fail();
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}
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}
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public void testAddAction(String actionsString, String expectedResult, Action action, int index) {
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try {
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ActionList actions = ASMParser.parse(0, true, actionsString, swf.version, false);
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actions.addAction(index, action);
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DoActionTag doa = getFirstActionTag();
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doa.setActionBytes(Action.actionsToBytes(actions, true, swf.version));
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HighlightedTextWriter writer = new HighlightedTextWriter(new CodeFormatting(), false);
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doa.getASMSource(ScriptExportMode.PCODE, writer, doa.getActions());
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String actualResult = normalizeLabels(writer.toString());
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actualResult = cleanPCode(actualResult);
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expectedResult = cleanPCode(expectedResult);
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Assert.assertEquals(actualResult, expectedResult);
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} catch (IOException | ActionParseException | InterruptedException ex) {
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fail();
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}
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}
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@Test
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public void testRemoveJumpAction() {
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String actionsString
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "Return\n"
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+ "}\n"
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+ "Push 2\n"
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+ "Jump label_1\n" + // remove this action
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"label_1:Push 3";
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String expectedResult
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "Return\n"
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+ "}\n"
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+ "Push 2 3";
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testRemoveAction(actionsString, expectedResult, new int[]{5});
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}
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@Test
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public void testRemoveActionFromContainer() {
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String actionsString
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n" + // remove this action
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"Return\n"
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+ "}\n"
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+ "Push 2\n"
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+ "Jump label_1\n"
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+ "label_1:Push 3";
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String expectedResult
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Return\n"
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+ "}\n"
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+ "Push 2\n"
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+ "Jump label_1\n"
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+ "label_1:Push 3";
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testRemoveAction(actionsString, expectedResult, new int[]{2});
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}
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@Test
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public void testRemoveLastActionFromContainer() {
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String actionsString
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n" + // remove this action
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"}\n"
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+ "Push 2\n"
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+ "Jump label_1\n"
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+ "label_1:Push 3";
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String expectedResult
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "}\n"
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+ "Push 2\n"
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+ "Jump label_1\n"
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+ "label_1:Push 3";
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testRemoveAction(actionsString, expectedResult, new int[]{3});
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}
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@Test
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public void testRemoveIfTargetAction() {
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String actionsString
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:Push 4\n" + // remove this action
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"Push 5"; // after removing the previous action the if action should jump here
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String expectedResult
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:Push 5";
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testRemoveAction(actionsString, expectedResult, new int[]{7});
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}
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@Test
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public void testRemoveIfTargetLastAction() {
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String actionsString
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:Push 4"; // remove this action
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String expectedResult
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:";
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testRemoveAction(actionsString, expectedResult, new int[]{7});
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}
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@Test
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public void testAddAtion1() {
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String actionsString
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:Push 4";
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String expectedResult
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= "ConstantPool\n"
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+ "GetMember\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:Push 4";
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testAddAction(actionsString, expectedResult, new ActionGetMember(), 1);
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}
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@Test
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public void testAddAtionToContainer() {
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String actionsString
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:Push 4";
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String expectedResult
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "GetMember\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:Push 4";
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testAddAction(actionsString, expectedResult, new ActionGetMember(), 2);
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}
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@Test
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public void testAddActionIf() {
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String actionsString
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "label_1:Push 4";
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String expectedResult
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= "ConstantPool\n"
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+ "DefineFunction \"test\" 1 \"p1\" {\n"
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+ "Push 1\n"
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+ "GetVariable\n"
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+ "}\n"
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+ "Push 2\n"
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+ "If label_1\n"
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+ "Push 3\n"
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+ "GetMember\n"
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+ "label_1:Push 4";
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testAddAction(actionsString, expectedResult, new ActionGetMember(), 7);
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}
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@Test
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public void testAddToJumpTarget() {
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String actionsString
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= "ConstantPool\n"
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+ "If label_1\n"
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+ "GetMember\n"
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+ "label_1:Jump label_2\n" + // address 9
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"label_2:Jump label_3\n"
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+ "label_3:Jump labelend\n"
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+ "labelend:End"; // address 24
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String expectedResult
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= "ConstantPool\n"
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+ "If label_1\n"
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+ "GetMember\n"
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+ "Jump label_4\n"
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+ "label_1:Jump label_2\n"
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+ "label_2:Jump label_3\n"
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+ "label_3:Jump label_4\n"
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+ "label_4:";
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ActionJump jump = new ActionJump(0);
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jump.setAddress(9);
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jump.setJumpOffset(24 - 9 - 5);
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testAddAction(actionsString, expectedResult, jump, 3);
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}
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}
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