/*
* Catroid: An on-device visual programming system for Android devices
* Copyright (C) 2010-2016 The Catrobat Team
* (<http://developer.catrobat.org/credits>)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* An additional term exception under section 7 of the GNU Affero
* General Public License, version 3, is available at
* http://developer.catrobat.org/license_additional_term
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.catrobat.catroid.test.formulaeditor;
import android.test.AndroidTestCase;
import org.catrobat.catroid.content.SingleSprite;
import org.catrobat.catroid.content.Sprite;
import org.catrobat.catroid.formulaeditor.FormulaElement;
import org.catrobat.catroid.formulaeditor.Functions;
import org.catrobat.catroid.formulaeditor.InternFormulaParser;
import org.catrobat.catroid.formulaeditor.InternToken;
import org.catrobat.catroid.formulaeditor.InternTokenType;
import org.catrobat.catroid.formulaeditor.Operators;
import java.util.LinkedList;
import java.util.List;
public class ParserTest extends AndroidTestCase {
private static final float LOOK_ALPHA = 50f;
private static final float LOOK_Y_POSITION = 23.4f;
private static final float LOOK_X_POSITION = 5.6f;
private static final float LOOK_BRIGHTNESS = 70f;
private static final float LOOK_COLOR = 0f;
private static final float LOOK_SCALE = 90.3f;
private static final float LOOK_ROTATION = 30.7f;
private static final int LOOK_ZPOSITION = 3;
private Sprite testSprite;
@Override
protected void setUp() {
testSprite = new SingleSprite("sprite");
testSprite.look.setXInUserInterfaceDimensionUnit(LOOK_X_POSITION);
testSprite.look.setYInUserInterfaceDimensionUnit(LOOK_Y_POSITION);
testSprite.look.setTransparencyInUserInterfaceDimensionUnit(LOOK_ALPHA);
testSprite.look.setBrightnessInUserInterfaceDimensionUnit(LOOK_BRIGHTNESS);
testSprite.look.setColorInUserInterfaceDimensionUnit(LOOK_COLOR);
testSprite.look.setScaleX(LOOK_SCALE);
testSprite.look.setScaleY(LOOK_SCALE);
testSprite.look.setRotation(LOOK_ROTATION);
testSprite.look.setZIndex(LOOK_ZPOSITION);
}
public void testNumbers() {
FormulaEditorTestUtil.testSingleToken(InternTokenType.NUMBER, "1.0", "1.0", testSprite);
FormulaEditorTestUtil.testSingleToken(InternTokenType.NUMBER, "1", "1", testSprite);
FormulaEditorTestUtil.testSingleTokenError(InternTokenType.NUMBER, "", 0);
FormulaEditorTestUtil.testSingleTokenError(InternTokenType.NUMBER, ".", 0);
FormulaEditorTestUtil.testSingleTokenError(InternTokenType.NUMBER, ".1", 0);
}
public void testStrings() {
FormulaEditorTestUtil.testSingleToken(InternTokenType.STRING, "1.0", "1.0", testSprite);
FormulaEditorTestUtil.testSingleToken(InternTokenType.STRING, "1", "1", testSprite);
FormulaEditorTestUtil.testSingleToken(InternTokenType.STRING, "", "", testSprite);
FormulaEditorTestUtil.testSingleToken(InternTokenType.STRING, ".", ".", testSprite);
FormulaEditorTestUtil.testSingleToken(InternTokenType.STRING, ".1", ".1", testSprite);
FormulaEditorTestUtil.testSingleToken(InternTokenType.STRING, "1.1.1", "1.1.1", testSprite);
FormulaEditorTestUtil.testSingleToken(InternTokenType.STRING, "\"o.o\"", "\"o.o\"", testSprite);
FormulaEditorTestUtil.testSingleToken(InternTokenType.STRING, "\'^_^\'", "\'^_^\'", testSprite);
}
public void testBracket() {
List<InternToken> internTokenList = new LinkedList<InternToken>();
internTokenList.add(new InternToken(InternTokenType.BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "1"));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.PLUS.name()));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "2"));
internTokenList.add(new InternToken(InternTokenType.BRACKET_CLOSE));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MULT.name()));
internTokenList.add(new InternToken(InternTokenType.BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "1"));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.PLUS.name()));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "2"));
internTokenList.add(new InternToken(InternTokenType.BRACKET_CLOSE));
InternFormulaParser internParser = new InternFormulaParser(internTokenList);
FormulaElement parseTree = internParser.parseFormula();
assertNotNull("Formula is not parsed correctly: (1+2) x (1+2)", parseTree);
assertEquals("Formula interpretation is not as expected", 9.0, parseTree.interpretRecursive(testSprite));
internTokenList = new LinkedList<InternToken>();
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MINUS.name()));
internTokenList.add(new InternToken(InternTokenType.BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "1"));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.POW.name()));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "2"));
internTokenList.add(new InternToken(InternTokenType.BRACKET_CLOSE));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MINUS.name()));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MINUS.name()));
internTokenList.add(new InternToken(InternTokenType.BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MINUS.name()));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "1"));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MINUS.name()));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MINUS.name()));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "2"));
internTokenList.add(new InternToken(InternTokenType.BRACKET_CLOSE));
internParser = new InternFormulaParser(internTokenList);
parseTree = internParser.parseFormula();
assertNotNull("Formula is not parsed correctly: -(1^2)--(-1--2)", parseTree);
assertEquals("Formula interpretation is not as expected", 0.0, parseTree.interpretRecursive(testSprite));
}
public void testEmptyInput() {
List<InternToken> internTokenList = new LinkedList<InternToken>();
InternFormulaParser internParser = new InternFormulaParser(internTokenList);
FormulaElement parseTree = internParser.parseFormula();
assertNull("Formula is not parsed correctly: EMPTY FORMULA {}", parseTree);
assertEquals("Formula error value not as expected", InternFormulaParser.PARSER_NO_INPUT,
internParser.getErrorTokenIndex());
}
public void testFuctionalAndSimpleBracketsCorrection() {
List<InternToken> internTokenList = new LinkedList<InternToken>();
internTokenList.add(new InternToken(InternTokenType.FUNCTION_NAME, Functions.ABS.name()));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "2"));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MULT.name()));
internTokenList.add(new InternToken(InternTokenType.BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "5"));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MINUS.name()));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "10"));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_CLOSE));
internTokenList.add(new InternToken(InternTokenType.BRACKET_CLOSE));
InternFormulaParser internParser = new InternFormulaParser(internTokenList);
FormulaElement parseTree = internParser.parseFormula();
assertNotNull("Formula is not parsed correctly: abs(2 * (5 - 10))", parseTree);
assertEquals("Formula interpretation is not as expected", 10.0, parseTree.interpretRecursive(testSprite));
internTokenList.clear();
internTokenList.add(new InternToken(InternTokenType.NUMBER, "3"));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.MULT.name()));
internTokenList.add(new InternToken(InternTokenType.BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "2"));
internTokenList.add(new InternToken(InternTokenType.OPERATOR, Operators.PLUS.name()));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_NAME, Functions.COS.name()));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "0"));
internTokenList.add(new InternToken(InternTokenType.BRACKET_CLOSE));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_CLOSE));
internParser = new InternFormulaParser(internTokenList);
parseTree = internParser.parseFormula();
assertNotNull("Formula is not parsed correctly: 3 * (2 + cos(0)) ", parseTree);
assertEquals("Formula interpretation is not as expected", 9.0, parseTree.interpretRecursive(testSprite));
internTokenList.clear();
internTokenList.add(new InternToken(InternTokenType.FUNCTION_NAME, Functions.MOD.name()));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "1"));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETER_DELIMITER));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_NAME, Functions.MOD.name()));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "1"));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETER_DELIMITER));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_NAME, Functions.MOD.name()));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "1"));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETER_DELIMITER));
internTokenList.add(new InternToken(InternTokenType.BRACKET_OPEN));
internTokenList.add(new InternToken(InternTokenType.NUMBER, "1"));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_CLOSE));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_CLOSE));
internTokenList.add(new InternToken(InternTokenType.FUNCTION_PARAMETERS_BRACKET_CLOSE));
internTokenList.add(new InternToken(InternTokenType.BRACKET_CLOSE));
internParser = new InternFormulaParser(internTokenList);
parseTree = internParser.parseFormula();
assertNotNull("Formula is not parsed correctly: mod( 1 , mod( 1 , mod( 1 , ( 1 )))) ", parseTree);
assertEquals("Formula interpretation is not as expected", 0.0, parseTree.interpretRecursive(testSprite));
}
}