Package com.singularsys.jeptests.system

Class JepTest

java.lang.Object

com.singularsys.jeptests.system.JepTest

Direct Known Subclasses:

BigDecimalStandardTests, CPTest, ExtendedParserTest, FieldTest, JepTestWithCustomNumberType, NullWrapTest, PostfixEvalTest, RpTest, StandardEvaluatorTest, UncheckedEvalTest, XJepTest, XJepXAssignTest

public class JepTest
extends Object

Tests various functions on the Jep class. The current implementation tests using the default setup with the JavaCC parser.

Printing of tests can be supressed by setting the DO_NOT_PRINT_TESTS environment variable

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	JepTest.AddFractionsNary	NaryFunction to add fractions
static class	JepTest.AddFractionsStack	Function to add fractions using a stack
static class	JepTest.Diff	Function for diference of two variables.
protected static class	JepTest.MyBinary	A binary function
protected static class	JepTest.MyNary	An Nary function
protected static class	JepTest.MyNaryBinary	An NaryBinary function
protected static class	JepTest.MyNullary	A nullary functions
protected static class	JepTest.MyUnary	A unary function
static class	JepTest.PiFun	Real nullay function
static class	JepTest.Product	Product of values
static class	JepTest.Square	Square of value

Field Summary

Fields

Modifier and Type	Field	Description
protected Jep	jep	The parser
protected Object	myFalse
protected Object	myTrue
static final boolean	PRINT_RESULTS

Constructor Summary

Constructors

Constructor	Description
JepTest()

Method Summary

Modifier and Type	Method	Description
protected void	assertEqNodes(String s, Node expected, Node actual)
protected Object	buildMatrix(Object[]... eles)
protected Object	buildVector(Object... eles)
protected Object	calcValue(Node node)	Calculate the value of an expression.
protected Object	calcValue(String expr)	Calculate the value of an expression.
void	checkVector(Object[] expected, Object actual)
protected boolean	compareRecursive(Node node1, Node node2)
protected void	complexValueTest(String expr, Complex expected, double tol)	Test parse-evaluate with complex number and given tolerance.
protected Object	getNumber(Object val)	Create a number of the appropriate type
protected void	myAssertEquals(String msg, Object expected, Object actual)
protected void	myAssertNaN(String msg, Object actual)
protected void	myAssertNull(String msg, Object actual)
protected Object	negativeZero()
static void	nodeTest(Node n, Operator op)
static void	nodeTest(Node n, Variable v)
static void	nodeTest(Node n, Object v)
static void	nodeTest(Node n, String name)
protected void	printTestHeader(String str)	Prints a header with the name of the test as specified in str.
protected void	setShiftZeroElePfmc()
void	setUp()	Sets up the parser.
void	test_adding_existing_constant_fails()
void	test_not_X_Y()
void	test_parser_sets_parent()
void	testAssign()
void	testBinom()
void	testBlankParser()	Test creating a Jep instance with no functions and no variables.
void	testCaseNull()
void	testCaseString()
void	testChangeVariable()	Test changing variables value after parsing
void	testChangeVariableComplex()	Test changing variables value after parsing
void	testComments()
void	testComplex()
void	testComplexListAccess()
void	testEleUnit()
void	testEmptyEqn()
void	testEmptyEqn2()
void	testEvalExceptions()	Test whether evaluation exceptions are thrown when they should be.
void	testEvaluate()	Tests the evaluate() method.
void	testEvaluateComplex()
void	testEvaluateString()
void	testExpectedTokenSequence()	Tests for bug #52
void	testFormat()
void	testFunction()
void	testIf()
void	testImplicitMul()
void	testLazyLogical()
void	testLazyLogical2()
void	testLazyLogicalBug()	Test for bug with 1&&1&&1
void	testListAccess()
void	testListAccessShiftZero()
void	testListExtra()
void	testListFunctions()
void	testListOperations()
void	testLogarithm()
void	testLogical()
void	testMacroFunction()
void	testMultiDimArray()
void	testMultiDimArrayShiftZero()
void	testMultiLine()
void	testMultiplyBug()
void	testNaN()
void	testNoAssign()
void	testNull()
void	testNumberAsBooleanLogical()
void	testNumbers()
void	testNumParam()
void	testParseException()	Tests whether a parse exceptions are thrown when they should be.
void	testPlusPlus()
void	testRecursiveMacroFunction()
void	testSemiColon()
void	testSetAllowUndeclared()	Tests whether allowUndeclared is working properly.
void	testSimpleSum()
void	testSpecialFunctions()
void	testSpecialFunctions(boolean hasRealEval, boolean hasCallback)
void	testStrings()
void	testStringsFun()
void	testSwitch()
void	testUminusPower()
void	testX2Y()
protected void	valueTest(String expr, double a, double tol)	Test values to within a given precision
protected void	valueTest(String expr, Object expected)	Test result j.evaluate(j.parse(expr))
protected void	valueTestFail(String expr)	Test whether evaluating an expression results in an exception
protected void	valueTestNaN(String expr)	Test whether an expression evaluates to NaN
protected void	valueTestNull(String expr)
protected void	valueTestString(String expr, String expected)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

PRINT_RESULTS

public static final boolean PRINT_RESULTS

jep

protected Jep jep

The parser

myTrue

protected Object myTrue

myFalse

protected Object myFalse

Constructor Details

JepTest

public JepTest()

Method Details

setUp

@BeforeEach
public void setUp()

Sets up the parser.

printTestHeader

protected void printTestHeader(String str)

Prints a header with the name of the test as specified in str.

valueTest

protected void valueTest(String expr,
 Object expected)
                  throws JepException

Test result j.evaluate(j.parse(expr))

Parameters:

expr - the expression to parse and evaluate

expected - result expected

Throws:

JepException

calcValue

protected Object calcValue(Node node)
                    throws JepException

Calculate the value of an expression.

Parameters:

node -

Throws:

JepException

getNumber

protected Object getNumber(Object val)

Create a number of the appropriate type

Parameters:

val - input

Returns:

converted number

negativeZero

protected Object negativeZero()

calcValue

protected Object calcValue(String expr)
                    throws JepException

Calculate the value of an expression.

Parameters:

expr -

Throws:

JepException

myAssertEquals

protected void myAssertEquals(String msg,
 Object expected,
 Object actual)
                       throws EvaluationException

Throws:

EvaluationException

myAssertNaN

protected void myAssertNaN(String msg,
 Object actual)

myAssertNull

protected void myAssertNull(String msg,
 Object actual)

valueTestNull

protected void valueTestNull(String expr)
                      throws Exception

Throws:

Exception

valueTestNaN

protected void valueTestNaN(String expr)
                     throws Exception

Test whether an expression evaluates to NaN

Parameters:

expr -

Throws:

Exception

valueTestFail

protected void valueTestFail(String expr)
                      throws Exception

Test whether evaluating an expression results in an exception

Parameters:

expr -

Throws:

Exception

valueTestString

protected void valueTestString(String expr,
 String expected)
                        throws Exception

Throws:

Exception

complexValueTest

protected void complexValueTest(String expr,
 Complex expected,
 double tol)
                         throws Exception

Test parse-evaluate with complex number and given tolerance.

Parameters:

expr -

expected -

tol -

Throws:

Exception

valueTest

protected void valueTest(String expr,
 double a,
 double tol)
                  throws Exception

Test values to within a given precision

Parameters:

expr - expression

a - the expected value

tol - tolerance

Throws:

Exception

nodeTest

public static void nodeTest(Node n,
 Operator op)

nodeTest

public static void nodeTest(Node n,
 String name)

nodeTest

public static void nodeTest(Node n,
 Variable v)

nodeTest

public static void nodeTest(Node n,
 Object v)

compareRecursive

protected boolean compareRecursive(Node node1,
 Node node2)

assertEqNodes

protected void assertEqNodes(String s,
 Node expected,
 Node actual)

testSimpleSum

@Test
public void testSimpleSum()
                   throws Exception

Throws:

Exception

testEvaluate

@Test
public void testEvaluate()
                  throws Exception

Tests the evaluate() method.

Throws:

Exception

test_parser_sets_parent

@Test
public void test_parser_sets_parent()
                             throws Exception

Throws:

Exception

testEvaluateComplex

@Test
public void testEvaluateComplex()
                         throws Exception

Throws:

Exception

testEvaluateString

@Test
public void testEvaluateString()
                        throws Exception

Throws:

Exception

testChangeVariable

@Test
public void testChangeVariable()
                        throws Exception

Test changing variables value after parsing

Throws:

Exception

testChangeVariableComplex

@Test
public void testChangeVariableComplex()
                               throws Exception

Test changing variables value after parsing

Throws:

Exception

testSetAllowUndeclared

@Test
public void testSetAllowUndeclared()
                            throws Exception

Tests whether allowUndeclared is working properly.

Throws:

Exception

testNumbers

@Test
public void testNumbers()
                 throws Exception

Throws:

Exception

testStrings

@Test
public void testStrings()
                 throws Exception

Throws:

Exception

testStringsFun

@Test
public void testStringsFun()
                    throws Exception

Throws:

Exception

testNumberAsBooleanLogical

@Test
public void testNumberAsBooleanLogical()
                                throws Exception

Throws:

Exception

test_adding_existing_constant_fails

@Test
public void test_adding_existing_constant_fails()
                                         throws Exception

Throws:

Exception

testLogical

@Test
public void testLogical()
                 throws Exception

Throws:

Exception

testNull

@Test
public void testNull()
              throws Exception

Throws:

Exception

testNaN

@Test
public void testNaN()
             throws Exception

Throws:

Exception

testComplex

@Test
public void testComplex()
                 throws Exception

Throws:

Exception

testFunction

@Test
public void testFunction()
                  throws Exception

Throws:

Exception

testIf

@Test
public void testIf()
            throws Exception

Throws:

Exception

testPlusPlus

@Test
public void testPlusPlus()
                  throws Exception

Throws:

Exception

testImplicitMul

@Test
public void testImplicitMul()
                     throws Exception

Throws:

Exception

testUminusPower

@Test
public void testUminusPower()
                     throws Exception

Throws:

Exception

testNumParam

@Test
public void testNumParam()
                  throws Exception

Throws:

Exception

testBinom

@Test
public void testBinom()
               throws Exception

Throws:

Exception

testFormat

@Test
public void testFormat()
                throws Exception

Throws:

Exception

testAssign

@Test
public void testAssign()
                throws Exception

Throws:

Exception

testMultiplyBug

@Test
public void testMultiplyBug()
                     throws Exception

Throws:

Exception

testNoAssign

@Test
public void testNoAssign()
                  throws Exception

Throws:

Exception

testLazyLogical

@Test
public void testLazyLogical()
                     throws Exception

Throws:

Exception

testLazyLogical2

@Test
public void testLazyLogical2()
                      throws Exception

Throws:

Exception

testLazyLogicalBug

@Test
public void testLazyLogicalBug()
                        throws Exception

Test for bug with 1&&1&&1

Throws:

Exception

testLogarithm

@Test
public void testLogarithm()
                   throws Exception

Throws:

Exception

testBlankParser

@Test
public void testBlankParser()
                     throws Exception

Test creating a Jep instance with no functions and no variables.

Throws:

Exception

testMacroFunction

@Test
public void testMacroFunction()
                       throws Exception

Throws:

Exception

testRecursiveMacroFunction

@Test
public void testRecursiveMacroFunction()
                                throws Exception

Throws:

Exception

testParseException

@Test
public void testParseException()

Tests whether a parse exceptions are thrown when they should be. See ticket #50 Tests on both the standard parser and the configurable parser, is carried out by CPTest which extends this.

testEvalExceptions

@Test
public void testEvalExceptions()

Test whether evaluation exceptions are thrown when they should be.

testSemiColon

@Test
public void testSemiColon()
                   throws Exception

Throws:

Exception

testMultiLine

@Test
public void testMultiLine()
                   throws Exception

Throws:

Exception

testEmptyEqn

@Test
public void testEmptyEqn()
                  throws Exception

Throws:

Exception

testComments

@Test
public void testComments()
                  throws Exception

Throws:

Exception

testEmptyEqn2

@Test
public void testEmptyEqn2()
                   throws Exception

Throws:

Exception

test_not_X_Y

@Test
public void test_not_X_Y()
                  throws Exception

Throws:

Exception

testX2Y

@Test
public void testX2Y()
             throws Exception

Throws:

Exception

testExpectedTokenSequence

@Test
public void testExpectedTokenSequence()

Tests for bug #52

testSwitch

@Test
public void testSwitch()
                throws Exception

Throws:

Exception

testCaseString

@Test
public void testCaseString()
                    throws Exception

Throws:

Exception

testCaseNull

@Test
public void testCaseNull()
                  throws Exception

Throws:

Exception

buildVector

protected Object buildVector(Object... eles)
                      throws Exception

Throws:

Exception

buildMatrix

protected Object buildMatrix(Object[]... eles)
                      throws Exception

Throws:

Exception

testComplexListAccess

@Test
public void testComplexListAccess()
                           throws Exception

Throws:

Exception

testListAccess

@Test
public void testListAccess()
                    throws Exception

Throws:

Exception

testListOperations

@Test
public void testListOperations()
                        throws Exception

Throws:

Exception

testListAccessShiftZero

@Test
public void testListAccessShiftZero()
                             throws Exception

Throws:

Exception

checkVector

public void checkVector(Object[] expected,
 Object actual)
                 throws EvaluationException

Throws:

EvaluationException

testEleUnit

@Test
public void testEleUnit()
                 throws Exception

Throws:

Exception

testMultiDimArray

@Test
public void testMultiDimArray()
                       throws Exception

Throws:

Exception

testMultiDimArrayShiftZero

@Test
public void testMultiDimArrayShiftZero()
                                throws Exception

Throws:

Exception

testListFunctions

@Test
public void testListFunctions()
                       throws Exception

Throws:

Exception

testListExtra

@Test
public void testListExtra()
                   throws Exception

Throws:

Exception

testSpecialFunctions

@Test
public void testSpecialFunctions()
                          throws Exception

Throws:

Exception

testSpecialFunctions

public void testSpecialFunctions(boolean hasRealEval,
 boolean hasCallback)
                          throws Exception

Throws:

Exception

setShiftZeroElePfmc

protected void setShiftZeroElePfmc()