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Add a cleaner to cut useless conditional branches.
Fixes #78
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179 changes: 179 additions & 0 deletions
179
src/Chanel-Tests/ChanelCutConditionalBranchesCleanerTest.class.st
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Original file line number | Diff line number | Diff line change |
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" | ||
A ChanelCutConditionalBranchesCleanerTest is a test class for testing the behavior of ChanelCutConditionalBranchesCleaner | ||
" | ||
Class { | ||
#name : #ChanelCutConditionalBranchesCleanerTest, | ||
#superclass : #ChanelAbstractCleanerTest, | ||
#category : #'Chanel-Tests' | ||
} | ||
|
||
{ #category : #running } | ||
ChanelCutConditionalBranchesCleanerTest >> setUp [ | ||
super setUp. | ||
class := self createDefaultClass | ||
] | ||
|
||
{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testDoesNotReplaceIfItIntroduceAnInfinitLoop [ | ||
| oldMethod | | ||
class | ||
compile: | ||
'ifNotNil: aBlock | ||
^self ifNil: [ nil ] ifNotNil: aBlock'. | ||
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oldMethod := class >> #ifNotNil:. | ||
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self runCleaner. | ||
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self | ||
assert: (class >> #ifNotNil:) sourceCode | ||
equals: | ||
'ifNotNil: aBlock | ||
^self ifNil: [ nil ] ifNotNil: aBlock'. | ||
|
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self assert: class >> #ifNotNil: identicalTo: oldMethod | ||
] | ||
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfFalseIfTrue [ | ||
self assert: 'true ifFalse: [ false ] ifTrue: [ true ]' isRewrittenAs: 'true' | ||
] | ||
|
||
{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfFalseIfTrue2 [ | ||
self assert: 'true ifFalse: [ true ] ifTrue: [ false ]' isRewrittenAs: 'true not' | ||
] | ||
|
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNil [ | ||
self assert: '10 ifNil: [ nil ]' isRewrittenAs: '10' | ||
] | ||
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNil2 [ | ||
self assert: '10 ifNil: nil' isRewrittenAs: '10' | ||
] | ||
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNilIfNotNil [ | ||
self assert: '10 ifNil: [ nil ] ifNotNil: #even' isRewrittenAs: '10 ifNotNil: #even' | ||
] | ||
|
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNilIfNotNil2 [ | ||
self assert: '10 ifNil: nil ifNotNil: #even' isRewrittenAs: '10 ifNotNil: #even' | ||
] | ||
|
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNilIfNotNilReturningReceiver [ | ||
self assert: 'self toto ifNil: [ self tata ] ifNotNil: [ self toto ]' isRewrittenAs: 'self toto ifNil: [ self tata ]' | ||
] | ||
|
||
{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNotNilIfNil [ | ||
self assert: '10 ifNotNil: #even ifNil: [ nil ]' isRewrittenAs: '10 ifNotNil: #even' | ||
] | ||
|
||
{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNotNilIfNil2 [ | ||
self assert: '10 ifNotNil: #even ifNil: nil' isRewrittenAs: '10 ifNotNil: #even' | ||
] | ||
|
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNotNilIfNilReturningReceiver [ | ||
self assert: 'self toto ifNotNil: [ self toto ] ifNil: [ self tata ]' isRewrittenAs: 'self toto ifNil: [ self tata ]' | ||
] | ||
|
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfNotNilReturningReceiver [ | ||
self assert: 'self toto ifNotNil: [ self toto ]' isRewrittenAs: 'self toto' | ||
] | ||
|
||
{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfTrueIfFalse [ | ||
self assert: 'true ifTrue: [ true ] ifFalse: [ false ]' isRewrittenAs: 'true' | ||
] | ||
|
||
{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testIfTrueIfFalse2 [ | ||
self assert: 'true ifTrue: [ false ] ifFalse: [ true ]' isRewrittenAs: 'true not' | ||
] | ||
|
||
{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testReplacementDoesNotRemoveExtensions [ | ||
class | ||
compile: | ||
('{1} | ||
{2}' format: {self selector . '10 ifNil: [ nil ]'}) | ||
classified: self extensionProtocol. | ||
|
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self runCleaner. | ||
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self | ||
assert: (class >> self selector) sourceCode | ||
equals: | ||
('{1} | ||
{2}' format: {self selector . '10'}). | ||
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self assert: (class >> self selector) protocol equals: self extensionProtocol | ||
] | ||
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testReplacementInTraits [ | ||
| trait | | ||
trait := self createDefaultTrait. | ||
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class setTraitComposition: trait. | ||
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trait | ||
compile: | ||
('{1} | ||
{2}' format: {self selector . '10 ifNil: [ nil ]'}). | ||
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self runCleaner. | ||
|
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self | ||
assert: (trait >> self selector) sourceCode | ||
equals: | ||
('{1} | ||
{2}' format: {self selector . '10'}). | ||
|
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self assert: (trait localSelectors includes: self selector). | ||
self deny: (class localSelectors includes: self selector) | ||
] | ||
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testReplacementOnClassSide [ | ||
class class | ||
compile: | ||
('{1} | ||
{2}' format: {self selector . '10 ifNil: [ nil ]'}). | ||
|
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self runCleaner. | ||
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self | ||
assert: (class class >> self selector) sourceCode | ||
equals: | ||
('{1} | ||
{2}' format: {self selector . '10'}) | ||
] | ||
|
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{ #category : #tests } | ||
ChanelCutConditionalBranchesCleanerTest >> testWithNothingToReplace [ | ||
| oldMethod | | ||
class | ||
compile: | ||
('{1} | ||
{2}' format: {self selector . '10 ifNotNil: [ false ]'}). | ||
|
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oldMethod := class >> self selector. | ||
self runCleaner. | ||
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self | ||
assert: (class >> self selector) sourceCode | ||
equals: | ||
('{1} | ||
{2}' format: {self selector . '10 ifNotNil: [ false ]'}). | ||
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self assert: class >> self selector identicalTo: oldMethod | ||
] |
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