| author | Jan Vrany <jan.vrany@fit.cvut.cz> |
| Tue, 16 Jun 2015 07:49:21 +0100 | |
| changeset 491 | 82b272c7dc37 |
| parent 454 | a9cd5ea7cc36 |
| permissions | -rw-r--r-- |
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376
a2656b27cace
Added monticelloName to package definition to ease export to .mcz
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
375
diff
changeset
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"{ Package: 'stx:goodies/petitparser/tests' }"
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454
a9cd5ea7cc36
Portability: fixes for Smalltalk/X
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
376
diff
changeset
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3 |
"{ NameSpace: Smalltalk }"
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a9cd5ea7cc36
Portability: fixes for Smalltalk/X
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
376
diff
changeset
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PPArithmeticParserTest subclass:#PPExpressionParserTest |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'PetitTests-Tests' |
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! |
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!PPExpressionParserTest class methodsFor:'testing'! |
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shouldInheritSelectors |
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^ true |
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! ! |
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!PPExpressionParserTest methodsFor:'accessing'! |
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parserInstance |
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| expression parens number | |
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expression := PPExpressionParser new. |
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parens := $( asParser trim , expression , $) asParser trim |
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==> [ :value | value second ]. |
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number := (#digit asParser plus , ($. asParser , #digit asParser plus) optional) flatten trim |
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==> [ :value | value asNumber ]. |
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expression term: parens / number. |
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expression |
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group: [ :g | |
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g prefix: $- asParser trim do: [ :op :a | a negated ] ]; |
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group: [ :g | |
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g postfix: '++' asParser trim do: [ :a :op | a + 1 ]. |
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g postfix: '--' asParser trim do: [ :a :op | a - 1 ] ]; |
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group: [ :g | |
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g right: $^ asParser trim do: [ :a :op :b | a raisedTo: b ] ]; |
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group: [ :g | |
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g left: $* asParser trim do: [ :a :op :b | a * b ]. |
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g left: $/ asParser trim do: [ :a :op :b | a / b ] ]; |
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group: [ :g | |
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g left: $+ asParser trim do: [ :a :op :b | a + b ]. |
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g left: $- asParser trim do: [ :a :op :b | a - b ] ]. |
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^ expression end |
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! ! |
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!PPExpressionParserTest methodsFor:'testing'! |
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testPostfixAdd |
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self assert: '0++' is: 1. |
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self assert: '0++++' is: 2. |
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self assert: '0++++++' is: 3. |
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self assert: '0+++1' is: 2. |
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self assert: '0+++++1' is: 3. |
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self assert: '0+++++++1' is: 4 |
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! |
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testPostfixSub |
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self assert: '1--' is: 0. |
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self assert: '2----' is: 0. |
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self assert: '3------' is: 0. |
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self assert: '2---1' is: 0. |
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self assert: '3-----1' is: 0. |
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self assert: '4-------1' is: 0. |
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! |
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testPrefixNegate |
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self assert: '1' is: 1. |
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self assert: '-1' is: -1. |
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self assert: '--1' is: 1. |
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self assert: '---1' is: -1 |
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! ! |
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!PPExpressionParserTest class methodsFor:'documentation'! |
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version |
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^ '$Header: /cvs/stx/stx/goodies/petitparser/PPExpressionParserTest.st,v 1.4 2014-03-04 14:34:13 cg Exp $' |
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! |
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version_CVS |
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^ '$Header: /cvs/stx/stx/goodies/petitparser/PPExpressionParserTest.st,v 1.4 2014-03-04 14:34:13 cg Exp $' |
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! |
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version_SVN |
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^ '$Id: PPExpressionParserTest.st,v 1.4 2014-03-04 14:34:13 cg Exp $' |
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! ! |
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