recognizer
Class RecognizerTest

java.lang.Object
  recognizer.RecognizerTest

public class RecognizerTest
extends java.lang.Object

Field Summary

(package private) Recognizer	r0
(package private) Recognizer	r1
(package private) Recognizer	r10
(package private) Recognizer	r11
(package private) Recognizer	r2
(package private) Recognizer	r3
(package private) Recognizer	r4
(package private) Recognizer	r5
(package private) Recognizer	r6
(package private) Recognizer	r7
(package private) Recognizer	r8
(package private) Recognizer	r9

Constructor Summary

RecognizerTest()
Constructor for RecognizerTest.

Method Summary

void	setUp()
void	testIsAddOperator()
void	testIsExpression()
void	testIsFactor()
void	testIsMultiplyOperator()
void	testIsTerm()
void	testIsVariable()
void	testNextTokenMatchesType()
void	testNextTokenMatchesTypeString()
void	testRecognizer()
void	testSymbol()
private void	unconsumedTokensShouldBe(Recognizer recognizer, java.lang.String expectedTokens) The isX Recognizer methods try to recognize an X at the beginning of the input, but should not consume tokens after the X.

Methods inherited from class java.lang.Object

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

Field Detail

r0

Recognizer r0

r1

Recognizer r1

r2

Recognizer r2

r3

Recognizer r3

r4

Recognizer r4

r5

Recognizer r5

r6

Recognizer r6

r7

Recognizer r7

r8

Recognizer r8

r9

Recognizer r9

r10

Recognizer r10

r11

Recognizer r11

Constructor Detail

RecognizerTest

public RecognizerTest()

Constructor for RecognizerTest.

Method Detail

setUp

public void setUp()
           throws java.lang.Exception

Throws:

java.lang.Exception

testRecognizer

public void testRecognizer()

testIsExpression

public void testIsExpression()

testIsTerm

public void testIsTerm()

testIsFactor

public void testIsFactor()

testIsAddOperator

public void testIsAddOperator()

testIsMultiplyOperator

public void testIsMultiplyOperator()

testIsVariable

public void testIsVariable()

testSymbol

public void testSymbol()

testNextTokenMatchesType

public void testNextTokenMatchesType()

testNextTokenMatchesTypeString

public void testNextTokenMatchesTypeString()

unconsumedTokensShouldBe

private void unconsumedTokensShouldBe(Recognizer recognizer,
                                      java.lang.String expectedTokens)

The isX Recognizer methods try to recognize an X at the beginning of the input, but should not consume tokens after the X. For example, a factor may contain multiplications but not additions, so given a string such as "3*x+5*y", the isFactor method should consume and accept the "3*x" but leave the "+5*y" for later.

This method tests the input string to see whether the correct tokens are left unconsumed.

Parameters:

recognizer - The Recognizer recently used to recognize some X from an input string.

expectedTokens - The Tokens that should remain in the input string after the X has been consumed.