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This commit is contained in:
serso
2012-10-09 17:21:58 +04:00
parent 213d6fd270
commit 21640c051a
9 changed files with 1758 additions and 1626 deletions
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171
calculatorpp-core/src/test/java/org/solovyev/android/calculator/CalculatorTestUtils.java
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@@ -1,33 +1,138 @@
package org.solovyev.android.calculator;
import jscl.JsclMathEngine;
import org.jetbrains.annotations.NotNull;
import org.mockito.Mockito;
import org.solovyev.android.calculator.history.CalculatorHistory;
/**
* User: serso
* Date: 10/7/12
* Time: 8:40 PM
*/
public class CalculatorTestUtils {
public static void staticSetUp() throws Exception {
CalculatorLocatorImpl.getInstance().init(new CalculatorImpl(), newCalculatorEngine(), Mockito.mock(CalculatorClipboard.class), Mockito.mock(CalculatorNotifier.class), Mockito.mock(CalculatorHistory.class));
CalculatorLocatorImpl.getInstance().getEngine().init();
}
@NotNull
static CalculatorEngineImpl newCalculatorEngine() {
final MathEntityDao mathEntityDao = Mockito.mock(MathEntityDao.class);
final JsclMathEngine jsclEngine = JsclMathEngine.getInstance();
final CalculatorVarsRegistry varsRegistry = new CalculatorVarsRegistry(jsclEngine.getConstantsRegistry(), mathEntityDao);
final CalculatorFunctionsMathRegistry functionsRegistry = new CalculatorFunctionsMathRegistry(jsclEngine.getFunctionsRegistry(), mathEntityDao);
final CalculatorOperatorsMathRegistry operatorsRegistry = new CalculatorOperatorsMathRegistry(jsclEngine.getOperatorsRegistry(), mathEntityDao);
final CalculatorPostfixFunctionsRegistry postfixFunctionsRegistry = new CalculatorPostfixFunctionsRegistry(jsclEngine.getPostfixFunctionsRegistry(), mathEntityDao);
return new CalculatorEngineImpl(jsclEngine, varsRegistry, functionsRegistry, operatorsRegistry, postfixFunctionsRegistry, null);
}
}
package org.solovyev.android.calculator;
import jscl.JsclMathEngine;
import junit.framework.Assert;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.mockito.Mockito;
import org.solovyev.android.calculator.history.CalculatorHistory;
import org.solovyev.android.calculator.jscl.JsclOperation;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/**
* User: serso
* Date: 10/7/12
* Time: 8:40 PM
*/
public class CalculatorTestUtils {
// in seconds
public static final int TIMEOUT = 1000;
public static void staticSetUp() throws Exception {
CalculatorLocatorImpl.getInstance().init(new CalculatorImpl(), newCalculatorEngine(), Mockito.mock(CalculatorClipboard.class), Mockito.mock(CalculatorNotifier.class), Mockito.mock(CalculatorHistory.class));
CalculatorLocatorImpl.getInstance().getEngine().init();
}
@NotNull
static CalculatorEngineImpl newCalculatorEngine() {
final MathEntityDao mathEntityDao = Mockito.mock(MathEntityDao.class);
final JsclMathEngine jsclEngine = JsclMathEngine.getInstance();
final CalculatorVarsRegistry varsRegistry = new CalculatorVarsRegistry(jsclEngine.getConstantsRegistry(), mathEntityDao);
final CalculatorFunctionsMathRegistry functionsRegistry = new CalculatorFunctionsMathRegistry(jsclEngine.getFunctionsRegistry(), mathEntityDao);
final CalculatorOperatorsMathRegistry operatorsRegistry = new CalculatorOperatorsMathRegistry(jsclEngine.getOperatorsRegistry(), mathEntityDao);
final CalculatorPostfixFunctionsRegistry postfixFunctionsRegistry = new CalculatorPostfixFunctionsRegistry(jsclEngine.getPostfixFunctionsRegistry(), mathEntityDao);
return new CalculatorEngineImpl(jsclEngine, varsRegistry, functionsRegistry, operatorsRegistry, postfixFunctionsRegistry, null);
}
public static void assertEval(@NotNull String expected, @NotNull String expression) {
assertEval(expected, expression, JsclOperation.numeric);
}
public static void assertEval(@NotNull String expected, @NotNull String expression, @NotNull JsclOperation operation) {
final Calculator calculator = CalculatorLocatorImpl.getInstance().getCalculator();
CalculatorLocatorImpl.getInstance().getDisplay().setViewState(CalculatorDisplayViewStateImpl.newDefaultInstance());
final CountDownLatch latch = new CountDownLatch(1);
final TestCalculatorEventListener calculatorEventListener = new TestCalculatorEventListener(latch);
try {
calculator.addCalculatorEventListener(calculatorEventListener);
calculatorEventListener.setCalculatorEventData(calculator.evaluate(operation, expression));
if (latch.await(TIMEOUT, TimeUnit.SECONDS)) {
Assert.assertNotNull(calculatorEventListener.getResult());
Assert.assertEquals(expected, calculatorEventListener.getResult().getText());
} else {
Assert.fail("Too long wait for: " + expression);
}
} catch (InterruptedException e) {
throw new RuntimeException(e);
} finally {
calculator.removeCalculatorEventListener(calculatorEventListener);
}
}
public static void assertError(@NotNull String expression) {
assertError(expression, JsclOperation.numeric);
}
private static final class TestCalculatorEventListener implements CalculatorEventListener {
@Nullable
private CalculatorEventData calculatorEventData;
@NotNull
private final CountDownLatch latch;
@Nullable
private volatile CalculatorDisplayViewState result = null;
public TestCalculatorEventListener(@NotNull CountDownLatch latch) {
this.latch = latch;
}
public void setCalculatorEventData(@Nullable CalculatorEventData calculatorEventData) {
this.calculatorEventData = calculatorEventData;
}
@Override
public void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data) {
if ( this.calculatorEventData != null && calculatorEventData.isSameSequence(this.calculatorEventData) ) {
if ( calculatorEventType == CalculatorEventType.display_state_changed ) {
final CalculatorDisplayChangeEventData displayChange = (CalculatorDisplayChangeEventData)data;
result = displayChange.getNewValue();
latch.countDown();
}
}
}
@Nullable
public CalculatorDisplayViewState getResult() {
return result;
}
}
public static void assertError(@NotNull String expression, @NotNull JsclOperation operation) {
final Calculator calculator = CalculatorLocatorImpl.getInstance().getCalculator();
CalculatorLocatorImpl.getInstance().getDisplay().setViewState(CalculatorDisplayViewStateImpl.newDefaultInstance());
final CountDownLatch latch = new CountDownLatch(1);
final TestCalculatorEventListener calculatorEventListener = new TestCalculatorEventListener(latch);
try {
calculator.addCalculatorEventListener(calculatorEventListener);
calculatorEventListener.setCalculatorEventData(calculator.evaluate(operation, expression));
if (latch.await(TIMEOUT, TimeUnit.SECONDS)) {
Assert.assertNotNull(calculatorEventListener.getResult());
Assert.assertFalse(calculatorEventListener.getResult().isValid());
} else {
Assert.fail("Too long wait for: " + expression);
}
} catch (InterruptedException e) {
throw new RuntimeException(e);
} finally {
calculator.removeCalculatorEventListener(calculatorEventListener);
}
}
}

874
calculatorpp-core/src/test/java/org/solovyev/android/calculator/model/AndroidCalculatorEngineTest.java
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@@ -1,448 +1,426 @@
/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
*/
package org.solovyev.android.calculator.model;
import jscl.AngleUnit;
import jscl.JsclMathEngine;
import jscl.MathEngine;
import jscl.NumeralBase;
import jscl.math.Expression;
import jscl.math.Generic;
import jscl.math.function.Constant;
import jscl.math.function.CustomFunction;
import jscl.text.ParseException;
import junit.framework.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.solovyev.android.calculator.CalculatorEvalException;
import org.solovyev.android.calculator.CalculatorLocatorImpl;
import org.solovyev.android.calculator.CalculatorTestUtils;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
import static junit.framework.Assert.fail;
/**
* User: serso
* Date: 9/17/11
* Time: 9:47 PM
*/
@SuppressWarnings("deprecation")
public class AndroidCalculatorEngineTest {
@BeforeClass
public static void setUp() throws Exception {
CalculatorTestUtils.staticSetUp();
CalculatorLocatorImpl.getInstance().getEngine().setPrecision(3);
}
@Test
public void testDegrees() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
final AngleUnit defaultAngleUnit = cm.getAngleUnits();
try {
cm.setAngleUnits(AngleUnit.rad);
cm.setPrecision(3);
try {
Assert.assertEquals("0.017", cm.evaluate("°"));
fail();
} catch (ParseException e) {
}
Assert.assertEquals("0.017", cm.evaluate( "1°"));
Assert.assertEquals("0.349", cm.evaluate( "20.0°"));
Assert.assertEquals("0.5", cm.evaluate( "sin(30°)"));
Assert.assertEquals("0.524", cm.evaluate( "asin(sin(30°))"));
Assert.assertEquals("∂(cos(t), t, t, 1°)", cm.evaluate( "∂(cos(t),t,t,1°)"));
Assert.assertEquals("∂(cos(t), t, t, 1°)", cm.simplify("∂(cos(t),t,t,1°)"));
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
}
/* @Test
public void testLongExecution() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
try {
cm.evaluate( "3^10^10^10");
fail();
} catch (ParseException e) {
if (e.getMessageCode().equals(Messages.msg_3)) {
} else {
System.out.print(e.getCause().getMessage());
fail();
}
}
try {
cm.evaluate("9999999!");
fail();
} catch (ParseException e) {
if (e.getMessageCode().equals(Messages.msg_3)) {
} else {
System.out.print(e.getCause().getMessage());
fail();
}
}
final long start = System.currentTimeMillis();
try {
cm.evaluate( "3^10^10^10");
fail();
} catch (ParseException e) {
if (e.getMessage().startsWith("Too long calculation")) {
final long end = System.currentTimeMillis();
Assert.assertTrue(end - start < 1000);
} else {
fail();
}
}
}*/
@Test
public void testEvaluate() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
Assert.assertEquals("cos(t)+10%", cm.simplify( "cos(t)+10%"));
final Generic expression = cm.simplifyGeneric("cos(t)+10%");
expression.substitute(new Constant("t"), Expression.valueOf(100d));
Assert.assertEquals("it", cm.simplify( "it"));
Assert.assertEquals("10%", cm.simplify( "10%"));
Assert.assertEquals("0", cm.evaluate( "eq(0, 1)"));
Assert.assertEquals("1", cm.evaluate( "eq(1, 1)"));
Assert.assertEquals("1", cm.evaluate( "eq( 1, 1)"));
Assert.assertEquals("1", cm.simplify( "eq( 1, 1)"));
Assert.assertEquals("1", cm.evaluate( "lg(10)"));
Assert.assertEquals("4", cm.evaluate( "2+2"));
final AngleUnit defaultAngleUnit = cm.getAngleUnits();
try {
cm.setAngleUnits(AngleUnit.rad);
Assert.assertEquals("-0.757", cm.evaluate( "sin(4)"));
Assert.assertEquals("0.524", cm.evaluate( "asin(0.5)"));
Assert.assertEquals("-0.396", cm.evaluate( "sin(4)asin(0.5)"));
Assert.assertEquals("-0.56", cm.evaluate( "sin(4)asin(0.5)√(2)"));
Assert.assertEquals("-0.56", cm.evaluate( "sin(4)asin(0.5)√(2)"));
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
Assert.assertEquals("7.389", cm.evaluate( "e^2"));
Assert.assertEquals("7.389", cm.evaluate( "exp(1)^2"));
Assert.assertEquals("7.389", cm.evaluate( "exp(2)"));
Assert.assertEquals("2+i", cm.evaluate( "2*1+√(-1)"));
try {
cm.setAngleUnits(AngleUnit.rad);
Assert.assertEquals("0.921+Πi", cm.evaluate( "ln(5cosh(38π√(2cos(2))))"));
Assert.assertEquals("-3.41+3.41i", cm.evaluate( "(5tan(2i)+2i)/(1-i)"));
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
Assert.assertEquals("7.389i", cm.evaluate( "iexp(2)"));
Assert.assertEquals("2+7.389i", cm.evaluate( "2+iexp(2)"));
Assert.assertEquals("2+7.389i", cm.evaluate( "2+√(-1)exp(2)"));
Assert.assertEquals("2-2.5i", cm.evaluate( "2-2.5i"));
Assert.assertEquals("-2-2.5i", cm.evaluate( "-2-2.5i"));
Assert.assertEquals("-2+2.5i", cm.evaluate( "-2+2.5i"));
Assert.assertEquals("-2+2.1i", cm.evaluate( "-2+2.1i"));
Assert.assertEquals("-0.1-0.2i", cm.evaluate( "(1-i)/(2+6i)"));
junit.framework.Assert.assertEquals("24", cm.evaluate( "4!"));
junit.framework.Assert.assertEquals("24", cm.evaluate( "(2+2)!"));
junit.framework.Assert.assertEquals("120", cm.evaluate( "(2+2+1)!"));
junit.framework.Assert.assertEquals("24", cm.evaluate( "(2.0+2.0)!"));
junit.framework.Assert.assertEquals("24", cm.evaluate( "4.0!"));
junit.framework.Assert.assertEquals("720", cm.evaluate( "(3!)!"));
junit.framework.Assert.assertEquals("36", Expression.valueOf("3!^2").numeric().toString());
junit.framework.Assert.assertEquals("3", Expression.valueOf("cubic(27)").numeric().toString());
try {
junit.framework.Assert.assertEquals("√(-1)!", cm.evaluate( "i!"));
fail();
} catch (ParseException e) {
}
junit.framework.Assert.assertEquals("1", cm.evaluate( "(π/π)!"));
try {
junit.framework.Assert.assertEquals("i", cm.evaluate( "(-1)i!"));
fail();
} catch (ParseException e) {
}
junit.framework.Assert.assertEquals("24i", cm.evaluate( "4!i"));
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("si", 5d));
try {
cm.setAngleUnits(AngleUnit.rad);
Assert.assertEquals("0.451", cm.evaluate( "acos(0.8999999999999811)"));
Assert.assertEquals("-0.959", cm.evaluate( "sin(5)"));
Assert.assertEquals("-4.795", cm.evaluate( "sin(5)si"));
Assert.assertEquals("-23.973", cm.evaluate( "sisin(5)si"));
Assert.assertEquals("-23.973", cm.evaluate( "si*sin(5)si"));
Assert.assertEquals("-3.309", cm.evaluate( "sisin(5si)si"));
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("s", 1d));
Assert.assertEquals("5", cm.evaluate( "si"));
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("k", 3.5d));
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("k1", 4d));
Assert.assertEquals("4", cm.evaluate( "k11"));
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("t", (String) null));
Assert.assertEquals("11t", cm.evaluate( "t11"));
Assert.assertEquals("11et", cm.evaluate( "t11e"));
Assert.assertEquals("∞", cm.evaluate( "∞"));
Assert.assertEquals("∞", cm.evaluate( "Infinity"));
Assert.assertEquals("11∞t", cm.evaluate( "t11∞"));
Assert.assertEquals("-t+t^3", cm.evaluate( "t(t-1)(t+1)"));
Assert.assertEquals("100", cm.evaluate( "0.1E3"));
Assert.assertEquals("3.957", cm.evaluate( "ln(8)lg(8)+ln(8)"));
Assert.assertEquals("0.933", cm.evaluate( "0x:E/0x:F"));
try {
cm.setNumeralBase(NumeralBase.hex);
Assert.assertEquals("E/F", cm.evaluate( "0x:E/0x:F"));
Assert.assertEquals("E/F", cm.simplify( "0x:E/0x:F"));
Assert.assertEquals("E/F", cm.evaluate( "E/F"));
Assert.assertEquals("E/F", cm.simplify( "E/F"));
} finally {
cm.setNumeralBase(NumeralBase.dec);
}
Assert.assertEquals("0", cm.evaluate( "((((((0))))))"));
Assert.assertEquals("0", cm.evaluate( "((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))"));
/* Assert.assertEquals("0.524", cm.evaluate( "30°").getResult());
Assert.assertEquals("0.524", cm.evaluate( "(10+20)°").getResult());
Assert.assertEquals("1.047", cm.evaluate( "(10+20)°*2").getResult());
try {
Assert.assertEquals("0.278", cm.evaluate( "30°^2").getResult());
junit.framework.Assert.fail();
} catch (ParseException e) {
if ( !e.getMessage().equals("Power operation after postfix function is currently unsupported!") ) {
junit.framework.Assert.fail();
}
}*//*
*//* try {
cm.setTimeout(5000);
Assert.assertEquals("2", cm.evaluate( "2!").getResult());
} finally {
cm.setTimeout(3000);
}*/
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("t", (String) null));
Assert.assertEquals("2t", cm.simplify( "∂(t^2,t)"));
Assert.assertEquals("2t", cm.evaluate( "∂(t^2,t)"));
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("t", "2"));
Assert.assertEquals("2t", cm.simplify( "∂(t^2,t)"));
Assert.assertEquals("4", cm.evaluate( "∂(t^2,t)"));
Assert.assertEquals("-x+x*ln(x)", cm.simplify("∫(ln(x), x)"));
Assert.assertEquals("-(x-x*ln(x))/(ln(2)+ln(5))", cm.simplify("∫(log(10, x), x)"));
Assert.assertEquals("∫((ln(2)+ln(5))/ln(x), x)", cm.simplify("∫(ln(10)/ln(x), x)"));
Assert.assertEquals("∫(ln(10)/ln(x), x)", Expression.valueOf("∫(log(x, 10), x)").expand().toString());
Assert.assertEquals("∫((ln(2)+ln(5))/ln(x), x)", cm.simplify("∫(log(x, 10), x)"));
}
@Test
public void testFormatting() throws Exception {
final MathEngine ce = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
Assert.assertEquals("12 345", ce.simplify( "12345"));
}
@Test
public void testI() throws ParseException, CalculatorEvalException {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
Assert.assertEquals("-i", cm.evaluate( "i^3"));
for (int i = 0; i < 1000; i++) {
double real = (Math.random()-0.5) * 1000;
double imag = (Math.random()-0.5) * 1000;
int exp = (int)(Math.random() * 10);
final StringBuilder sb = new StringBuilder();
sb.append(real);
if ( imag > 0 ) {
sb.append("+");
}
sb.append(imag);
sb.append("^").append(exp);
try {
cm.evaluate( sb.toString());
} catch (Throwable e) {
fail(sb.toString());
}
}
}
@Test
public void testEmptyFunction() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
try {
cm.evaluate( "cos(cos(cos(cos(acos(acos(acos(acos(acos(acos(acos(acos(cos(cos(cos(cos(cosh(acos(cos(cos(cos(cos(cos(acos(acos(acos(acos(acos(acos(acos(acos(cos(cos(cos(cos(cosh(acos(cos())))))))))))))))))))))))))))))))))))))");
Assert.fail();
} catch (ParseException e) {
}
Assert.assertEquals("0.34+1.382i", cm.evaluate( "ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(100)))))))))))))))"));
try {
cm.evaluate( "cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos())))))))))))))))))))))))))))))))))))");
Assert.fail();
} catch (ParseException e) {
}
final AngleUnit defaultAngleUnit = cm.getAngleUnits();
try {
cm.setAngleUnits(AngleUnit.rad);
Assert.assertEquals("0.739", cm.evaluate( "cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(1))))))))))))))))))))))))))))))))))))"));
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("si", 5d));
Assert.assertEquals("5", cm.evaluate( "si"));
try {
cm.evaluate( "sin");
Assert.fail();
} catch (ParseException e) {
}
}
@Test
public void testRounding() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
try {
DecimalFormatSymbols decimalGroupSymbols = new DecimalFormatSymbols(Locale.getDefault());
decimalGroupSymbols.setDecimalSeparator('.');
decimalGroupSymbols.setGroupingSeparator('\'');
cm.setDecimalGroupSymbols(decimalGroupSymbols);
cm.setPrecision(2);
Assert.assertEquals("12'345'678.9", cm.evaluate( "1.23456789E7"));
cm.setPrecision(10);
Assert.assertEquals("12'345'678.9", cm.evaluate( "1.23456789E7"));
Assert.assertEquals("123'456'789", cm.evaluate( "1.234567890E8"));
Assert.assertEquals("1'234'567'890.1", cm.evaluate( "1.2345678901E9"));
} finally {
cm.setPrecision(3);
DecimalFormatSymbols decimalGroupSymbols = new DecimalFormatSymbols(Locale.getDefault());
decimalGroupSymbols.setDecimalSeparator('.');
decimalGroupSymbols.setGroupingSeparator(JsclMathEngine.GROUPING_SEPARATOR_DEFAULT.charAt(0));
cm.setDecimalGroupSymbols(decimalGroupSymbols);
}
}
@Test
public void testComparisonFunction() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
Assert.assertEquals("0", cm.evaluate( "eq(0, 1)"));
Assert.assertEquals("1", cm.evaluate( "eq(1, 1)"));
Assert.assertEquals("1", cm.evaluate( "eq(1, 1.0)"));
Assert.assertEquals("0", cm.evaluate( "eq(1, 1.000000000000001)"));
Assert.assertEquals("0", cm.evaluate( "eq(1, 0)"));
Assert.assertEquals("1", cm.evaluate( "lt(0, 1)"));
Assert.assertEquals("0", cm.evaluate( "lt(1, 1)"));
Assert.assertEquals("0", cm.evaluate( "lt(1, 0)"));
Assert.assertEquals("0", cm.evaluate( "gt(0, 1)"));
Assert.assertEquals("0", cm.evaluate( "gt(1, 1)"));
Assert.assertEquals("1", cm.evaluate( "gt(1, 0)"));
Assert.assertEquals("1", cm.evaluate( "ne(0, 1)"));
Assert.assertEquals("0", cm.evaluate( "ne(1, 1)"));
Assert.assertEquals("1", cm.evaluate( "ne(1, 0)"));
Assert.assertEquals("1", cm.evaluate( "le(0, 1)"));
Assert.assertEquals("1", cm.evaluate( "le(1, 1)"));
Assert.assertEquals("0", cm.evaluate( "le(1, 0)"));
Assert.assertEquals("0", cm.evaluate( "ge(0, 1)"));
Assert.assertEquals("1", cm.evaluate( "ge(1, 1)"));
Assert.assertEquals("1", cm.evaluate( "ge(1, 0)"));
Assert.assertEquals("0", cm.evaluate( "ap(0, 1)"));
Assert.assertEquals("1", cm.evaluate( "ap(1, 1)"));
//Assert.assertEquals("1", cm.evaluate( "ap(1, 1.000000000000001)").getResult());
Assert.assertEquals("0", cm.evaluate( "ap(1, 0)"));
}
@Test
public void testNumeralSystems() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
Assert.assertEquals("11 259 375", cm.evaluate( "0x:ABCDEF"));
Assert.assertEquals("30 606 154.462", cm.evaluate( "0x:ABCDEF*e"));
Assert.assertEquals("30 606 154.462", cm.evaluate( "e*0x:ABCDEF"));
Assert.assertEquals("e", cm.evaluate( "e*0x:ABCDEF/0x:ABCDEF"));
Assert.assertEquals("30 606 154.462", cm.evaluate( "0x:ABCDEF*e*0x:ABCDEF/0x:ABCDEF"));
Assert.assertEquals("30 606 154.462", cm.evaluate( "c+0x:ABCDEF*e*0x:ABCDEF/0x:ABCDEF-c+0x:C-0x:C"));
Assert.assertEquals("1 446 257 064 651.832", cm.evaluate( "28*28 * sin(28) - 0b:1101 + √(28) + exp ( 28) "));
Assert.assertEquals("13", cm.evaluate( "0b:1101"));
try {
cm.evaluate( "0b:π");
Assert.fail();
} catch (ParseException e) {
// ok
}
final NumeralBase defaultNumeralBase = cm.getNumeralBase();
try{
cm.setNumeralBase(NumeralBase.bin);
Assert.assertEquals("101", cm.evaluate( "10+11"));
Assert.assertEquals("10/11", cm.evaluate( "10/11"));
cm.setNumeralBase(NumeralBase.hex);
Assert.assertEquals("63 7B", cm.evaluate( "56CE+CAD"));
Assert.assertEquals("E", cm.evaluate( "E"));
} finally {
cm.setNumeralBase(defaultNumeralBase);
}
}
@Test
public void testLog() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
Assert.assertEquals("∞", Expression.valueOf("1/0").numeric().toString());
Assert.assertEquals("∞", Expression.valueOf("ln(10)/ln(1)").numeric().toString());
// logarithm
Assert.assertEquals("ln(x)/ln(base)", ((CustomFunction) cm.getFunctionsRegistry().get("log")).getContent());
Assert.assertEquals("∞", cm.evaluate( "log(1, 10)"));
Assert.assertEquals("3.322", cm.evaluate( "log(2, 10)"));
Assert.assertEquals("1.431", cm.evaluate( "log(5, 10)"));
Assert.assertEquals("0.96", cm.evaluate( "log(11, 10)"));
Assert.assertEquals("1/(bln(a))", cm.simplify( "∂(log(a, b), b)"));
Assert.assertEquals("-ln(b)/(aln(a)^2)", cm.simplify( "∂(log(a, b), a)"));
}
}
/*
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
* For more information, please, contact se.solovyev@gmail.com
*/
package org.solovyev.android.calculator.model;
import jscl.AngleUnit;
import jscl.JsclMathEngine;
import jscl.MathEngine;
import jscl.NumeralBase;
import jscl.math.Expression;
import jscl.math.Generic;
import jscl.math.function.Constant;
import jscl.math.function.CustomFunction;
import jscl.text.ParseException;
import junit.framework.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.solovyev.android.calculator.AbstractCalculatorTest;
import org.solovyev.android.calculator.CalculatorEvalException;
import org.solovyev.android.calculator.CalculatorLocatorImpl;
import org.solovyev.android.calculator.CalculatorTestUtils;
import org.solovyev.android.calculator.jscl.JsclOperation;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
import static junit.framework.Assert.fail;
/**
* User: serso
* Date: 9/17/11
* Time: 9:47 PM
*/
@SuppressWarnings("deprecation")
public class AndroidCalculatorEngineTest extends AbstractCalculatorTest {
@BeforeClass
public static void staticSetUp() throws Exception {
CalculatorTestUtils.staticSetUp();
CalculatorLocatorImpl.getInstance().getEngine().setPrecision(3);
}
@Test
public void testDegrees() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
final AngleUnit defaultAngleUnit = cm.getAngleUnits();
try {
cm.setAngleUnits(AngleUnit.rad);
cm.setPrecision(3);
CalculatorTestUtils.assertError("°");
CalculatorTestUtils.assertEval("0.017", "1°");
CalculatorTestUtils.assertEval("0.349", "20.0°");
CalculatorTestUtils.assertEval("0.5", "sin(30°)");
CalculatorTestUtils.assertEval("0.524", "asin(sin(30°))");
CalculatorTestUtils.assertEval("∂(cos(t), t, t, 1°)", "∂(cos(t),t,t,1°)");
CalculatorTestUtils.assertEval("∂(cos(t), t, t, 1°)", "∂(cos(t),t,t,1°)", JsclOperation.simplify);
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
}
/* @Test
public void testLongExecution() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
try {
cm.evaluate( "3^10^10^10");
fail();
} catch (ParseException e) {
if (e.getMessageCode().equals(Messages.msg_3)) {
} else {
System.out.print(e.getCause().getMessage());
fail();
}
}
try {
cm.evaluate("9999999!");
fail();
} catch (ParseException e) {
if (e.getMessageCode().equals(Messages.msg_3)) {
} else {
System.out.print(e.getCause().getMessage());
fail();
}
}
final long start = System.currentTimeMillis();
try {
cm.evaluate( "3^10^10^10");
fail();
} catch (ParseException e) {
if (e.getMessage().startsWith("Too long calculation")) {
final long end = System.currentTimeMillis();
Assert.assertTrue(end - start < 1000);
} else {
fail();
}
}
}*/
@Test
public void testEvaluate() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
CalculatorTestUtils.assertEval("cos(t)+10%", "cos(t)+10%", JsclOperation.simplify);
final Generic expression = cm.simplifyGeneric("cos(t)+10%");
expression.substitute(new Constant("t"), Expression.valueOf(100d));
CalculatorTestUtils.assertEval("it", "it", JsclOperation.simplify);
CalculatorTestUtils.assertEval("10%", "10%", JsclOperation.simplify);
CalculatorTestUtils.assertEval("0", "eq(0, 1)");
CalculatorTestUtils.assertEval("1", "eq(1, 1)");
CalculatorTestUtils.assertEval("1", "eq( 1, 1)");
CalculatorTestUtils.assertEval("1", "eq( 1, 1)", JsclOperation.simplify);
CalculatorTestUtils.assertEval("1", "lg(10)");
CalculatorTestUtils.assertEval("4", "2+2");
final AngleUnit defaultAngleUnit = cm.getAngleUnits();
try {
cm.setAngleUnits(AngleUnit.rad);
CalculatorTestUtils.assertEval("-0.757", "sin(4)");
CalculatorTestUtils.assertEval("0.524", "asin(0.5)");
CalculatorTestUtils.assertEval("-0.396", "sin(4)asin(0.5)");
CalculatorTestUtils.assertEval("-0.56", "sin(4)asin(0.5)√(2)");
CalculatorTestUtils.assertEval("-0.56", "sin(4)asin(0.5)√(2)");
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
CalculatorTestUtils.assertEval("7.389", "e^2");
CalculatorTestUtils.assertEval("7.389", "exp(1)^2");
CalculatorTestUtils.assertEval("7.389", "exp(2)");
CalculatorTestUtils.assertEval("2+i", "2*1+√(-1)");
try {
cm.setAngleUnits(AngleUnit.rad);
CalculatorTestUtils.assertEval("0.921+Πi", "ln(5cosh(38π√(2cos(2))))");
CalculatorTestUtils.assertEval("-3.41+3.41i", "(5tan(2i)+2i)/(1-i)");
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
CalculatorTestUtils.assertEval("7.389i", "iexp(2)");
CalculatorTestUtils.assertEval("2+7.389i", "2+iexp(2)");
CalculatorTestUtils.assertEval("2+7.389i", "2+√(-1)exp(2)");
CalculatorTestUtils.assertEval("2-2.5i", "2-2.5i");
CalculatorTestUtils.assertEval("-2-2.5i", "-2-2.5i");
CalculatorTestUtils.assertEval("-2+2.5i", "-2+2.5i");
CalculatorTestUtils.assertEval("-2+2.1i", "-2+2.1i");
CalculatorTestUtils.assertEval("-0.1-0.2i", "(1-i)/(2+6i)");
CalculatorTestUtils.assertEval("24", "4!");
CalculatorTestUtils.assertEval("24", "(2+2)!");
CalculatorTestUtils.assertEval("120", "(2+2+1)!");
CalculatorTestUtils.assertEval("24", "(2.0+2.0)!");
CalculatorTestUtils.assertEval("24", "4.0!");
CalculatorTestUtils.assertEval("720", "(3!)!");
CalculatorTestUtils.assertEval("36", Expression.valueOf("3!^2").numeric().toString());
CalculatorTestUtils.assertEval("3", Expression.valueOf("cubic(27)").numeric().toString());
CalculatorTestUtils.assertError("i!");
CalculatorTestUtils.assertEval("1", cm.evaluate( "(π/π)!"));
CalculatorTestUtils.assertError("(-1)i!");
CalculatorTestUtils.assertEval("24i", "4!i");
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("si", 5d));
try {
cm.setAngleUnits(AngleUnit.rad);
CalculatorTestUtils.assertEval("0.451", "acos(0.8999999999999811)");
CalculatorTestUtils.assertEval("-0.959", "sin(5)");
CalculatorTestUtils.assertEval("-4.795", "sin(5)si");
CalculatorTestUtils.assertEval("-23.973", "sisin(5)si");
CalculatorTestUtils.assertEval("-23.973", "si*sin(5)si");
CalculatorTestUtils.assertEval("-3.309", "sisin(5si)si");
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("s", 1d));
CalculatorTestUtils.assertEval("5", cm.evaluate( "si"));
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("k", 3.5d));
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("k1", 4d));
CalculatorTestUtils.assertEval("4", "k11");
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("t", (String) null));
CalculatorTestUtils.assertEval("11t", "t11");
CalculatorTestUtils.assertEval("11et", "t11e");
CalculatorTestUtils.assertEval("∞", "∞");
CalculatorTestUtils.assertEval("∞", "Infinity");
CalculatorTestUtils.assertEval("11∞t", "t11∞");
CalculatorTestUtils.assertEval("-t+t^3", "t(t-1)(t+1)");
CalculatorTestUtils.assertEval("100", "0.1E3");
CalculatorTestUtils.assertEval("3.957", "ln(8)lg(8)+ln(8)");
CalculatorTestUtils.assertEval("0.933", "0x:E/0x:F");
try {
cm.setNumeralBase(NumeralBase.hex);
CalculatorTestUtils.assertEval("E/F", "0x:E/0x:F");
CalculatorTestUtils.assertEval("E/F", cm.simplify( "0x:E/0x:F"));
CalculatorTestUtils.assertEval("E/F", "E/F");
CalculatorTestUtils.assertEval("E/F", cm.simplify( "E/F"));
} finally {
cm.setNumeralBase(NumeralBase.dec);
}
CalculatorTestUtils.assertEval("0", "((((((0))))))");
CalculatorTestUtils.assertEval("0", "((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))");
/* CalculatorTestUtils.assertEval("0.524", cm.evaluate( "30°").getResult());
CalculatorTestUtils.assertEval("0.524", cm.evaluate( "(10+20)°").getResult());
CalculatorTestUtils.assertEval("1.047", cm.evaluate( "(10+20)°*2").getResult());
try {
CalculatorTestUtils.assertEval("0.278", cm.evaluate( "30°^2").getResult());
fail();
} catch (ParseException e) {
if ( !e.getMessage().equals("Power operation after postfix function is currently unsupported!") ) {
fail();
}
}*//*
*//* try {
cm.setTimeout(5000);
CalculatorTestUtils.assertEval("2", cm.evaluate( "2!").getResult());
} finally {
cm.setTimeout(3000);
}*/
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("t", (String) null));
CalculatorTestUtils.assertEval("2t", "∂(t^2,t)", JsclOperation.simplify);
CalculatorTestUtils.assertEval("2t", "∂(t^2,t)");
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("t", "2"));
CalculatorTestUtils.assertEval("2t", "∂(t^2,t)", JsclOperation.simplify);
CalculatorTestUtils.assertEval("4", "∂(t^2,t)");
CalculatorTestUtils.assertEval("-x+xln(x)", "∫(ln(x), x)", JsclOperation.simplify);
CalculatorTestUtils.assertEval("-(x-xln(x))/(ln(2)+ln(5))", "∫(log(10, x), x)", JsclOperation.simplify);
CalculatorTestUtils.assertEval("∫((ln(2)+ln(5))/ln(x), x)", "∫(ln(10)/ln(x), x)", JsclOperation.simplify);
//CalculatorTestUtils.assertEval("∫(ln(10)/ln(x), x)", Expression.valueOf("∫(log(x, 10), x)").expand().toString());
CalculatorTestUtils.assertEval("∫((ln(2)+ln(5))/ln(x), x)", "∫(log(x, 10), x)");
CalculatorTestUtils.assertEval("∫((ln(2)+ln(5))/ln(x), x)", "∫(log(x, 10), x)", JsclOperation.simplify);
}
@Test
public void testFormatting() throws Exception {
final MathEngine ce = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
CalculatorTestUtils.assertEval("12 345", ce.simplify( "12345"));
}
@Test
public void testI() throws ParseException, CalculatorEvalException {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
CalculatorTestUtils.assertEval("-i", cm.evaluate( "i^3"));
for (int i = 0; i < 1000; i++) {
double real = (Math.random()-0.5) * 1000;
double imag = (Math.random()-0.5) * 1000;
int exp = (int)(Math.random() * 10);
final StringBuilder sb = new StringBuilder();
sb.append(real);
if ( imag > 0 ) {
sb.append("+");
}
sb.append(imag);
sb.append("^").append(exp);
try {
cm.evaluate( sb.toString());
} catch (Throwable e) {
fail(sb.toString());
}
}
}
@Test
public void testEmptyFunction() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
try {
cm.evaluate( "cos(cos(cos(cos(acos(acos(acos(acos(acos(acos(acos(acos(cos(cos(cos(cos(cosh(acos(cos(cos(cos(cos(cos(acos(acos(acos(acos(acos(acos(acos(acos(cos(cos(cos(cos(cosh(acos(cos())))))))))))))))))))))))))))))))))))))");
Assert.fail();
} catch (ParseException e) {
}
CalculatorTestUtils.assertEval("0.34+1.382i", "ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(ln(100)))))))))))))))");
try {
cm.evaluate( "cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos())))))))))))))))))))))))))))))))))))");
Assert.fail();
} catch (ParseException e) {
}
final AngleUnit defaultAngleUnit = cm.getAngleUnits();
try {
cm.setAngleUnits(AngleUnit.rad);
CalculatorTestUtils.assertEval("0.739", cm.evaluate( "cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(cos(1))))))))))))))))))))))))))))))))))))"));
} finally {
cm.setAngleUnits(defaultAngleUnit);
}
CalculatorLocatorImpl.getInstance().getEngine().getVarsRegistry().add(new Var.Builder("si", 5d));
CalculatorTestUtils.assertEval("5", cm.evaluate( "si"));
CalculatorTestUtils.assertError("sin");
}
@Test
public void testRounding() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
try {
DecimalFormatSymbols decimalGroupSymbols = new DecimalFormatSymbols(Locale.getDefault());
decimalGroupSymbols.setDecimalSeparator('.');
decimalGroupSymbols.setGroupingSeparator('\'');
cm.setDecimalGroupSymbols(decimalGroupSymbols);
cm.setPrecision(2);
CalculatorTestUtils.assertEval("12'345'678.9", cm.evaluate( "1.23456789E7"));
cm.setPrecision(10);
CalculatorTestUtils.assertEval("12'345'678.9", cm.evaluate( "1.23456789E7"));
CalculatorTestUtils.assertEval("123'456'789", cm.evaluate( "1.234567890E8"));
CalculatorTestUtils.assertEval("1'234'567'890.1", cm.evaluate( "1.2345678901E9"));
} finally {
cm.setPrecision(3);
DecimalFormatSymbols decimalGroupSymbols = new DecimalFormatSymbols(Locale.getDefault());
decimalGroupSymbols.setDecimalSeparator('.');
decimalGroupSymbols.setGroupingSeparator(JsclMathEngine.GROUPING_SEPARATOR_DEFAULT.charAt(0));
cm.setDecimalGroupSymbols(decimalGroupSymbols);
}
}
@Test
public void testComparisonFunction() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
CalculatorTestUtils.assertEval("0", "eq(0, 1)");
CalculatorTestUtils.assertEval("1", "eq(1, 1)");
CalculatorTestUtils.assertEval("1", "eq(1, 1.0)");
CalculatorTestUtils.assertEval("0", "eq(1, 1.000000000000001)");
CalculatorTestUtils.assertEval("0", "eq(1, 0)");
CalculatorTestUtils.assertEval("1", "lt(0, 1)");
CalculatorTestUtils.assertEval("0", "lt(1, 1)");
CalculatorTestUtils.assertEval("0", "lt(1, 0)");
CalculatorTestUtils.assertEval("0", "gt(0, 1)");
CalculatorTestUtils.assertEval("0", "gt(1, 1)");
CalculatorTestUtils.assertEval("1", "gt(1, 0)");
CalculatorTestUtils.assertEval("1", "ne(0, 1)");
CalculatorTestUtils.assertEval("0", "ne(1, 1)");
CalculatorTestUtils.assertEval("1", "ne(1, 0)");
CalculatorTestUtils.assertEval("1", "le(0, 1)");
CalculatorTestUtils.assertEval("1", "le(1, 1)");
CalculatorTestUtils.assertEval("0", "le(1, 0)");
CalculatorTestUtils.assertEval("0", "ge(0, 1)");
CalculatorTestUtils.assertEval("1", "ge(1, 1)");
CalculatorTestUtils.assertEval("1", "ge(1, 0)");
CalculatorTestUtils.assertEval("0", "ap(0, 1)");
CalculatorTestUtils.assertEval("1", "ap(1, 1)");
CalculatorTestUtils.assertEval("0", "ap(1, 0)");
}
@Test
public void testNumeralSystems() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
CalculatorTestUtils.assertEval("11 259 375", "0x:ABCDEF");
CalculatorTestUtils.assertEval("30 606 154.462", "0x:ABCDEF*e");
CalculatorTestUtils.assertEval("30 606 154.462", "e*0x:ABCDEF");
CalculatorTestUtils.assertEval("e", "e*0x:ABCDEF/0x:ABCDEF");
CalculatorTestUtils.assertEval("30 606 154.462", "0x:ABCDEF*e*0x:ABCDEF/0x:ABCDEF");
CalculatorTestUtils.assertEval("30 606 154.462", "c+0x:ABCDEF*e*0x:ABCDEF/0x:ABCDEF-c+0x:C-0x:C");
CalculatorTestUtils.assertEval("1 446 257 064 651.832", "28*28 * sin(28) - 0b:1101 + √(28) + exp ( 28) ");
CalculatorTestUtils.assertEval("13", "0b:1101");
CalculatorTestUtils.assertError("0b:π");
final NumeralBase defaultNumeralBase = cm.getNumeralBase();
try{
cm.setNumeralBase(NumeralBase.bin);
CalculatorTestUtils.assertEval("101", "10+11");
CalculatorTestUtils.assertEval("10/11", "10/11");
cm.setNumeralBase(NumeralBase.hex);
CalculatorTestUtils.assertEval("63 7B", "56CE+CAD");
CalculatorTestUtils.assertEval("E", "E");
} finally {
cm.setNumeralBase(defaultNumeralBase);
}
}
@Test
public void testLog() throws Exception {
final MathEngine cm = CalculatorLocatorImpl.getInstance().getEngine().getMathEngine0();
CalculatorTestUtils.assertEval("∞", Expression.valueOf("1/0").numeric().toString());
CalculatorTestUtils.assertEval("∞", Expression.valueOf("ln(10)/ln(1)").numeric().toString());
// logarithm
CalculatorTestUtils.assertEval("ln(x)/ln(base)", ((CustomFunction) cm.getFunctionsRegistry().get("log")).getContent());
CalculatorTestUtils.assertEval("∞", "log(1, 10)");
CalculatorTestUtils.assertEval("3.322", "log(2, 10)");
CalculatorTestUtils.assertEval("1.431", "log(5, 10)");
CalculatorTestUtils.assertEval("0.96", "log(11, 10)");
CalculatorTestUtils.assertEval("1/(bln(a))", "∂(log(a, b), b)", JsclOperation.simplify);
CalculatorTestUtils.assertEval("-ln(b)/(aln(a)^2)", "∂(log(a, b), a)", JsclOperation.simplify);
}
}