Packages March 2013

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The Trunk: Tests-dtl.194.mcz
by commits＠source.squeak.org 29 Mar '13

29 Mar '13

David T. Lewis uploaded a new version of Tests to project The Trunk: http://source.squeak.org/trunk/Tests-dtl.194.mcz ==================== Summary ==================== Name: Tests-dtl.194 Author: dtl Time: 29 March 2013, 10:13:41.368 am UUID: ba96f5b8-f215-4045-a16f-473c8dde8760 Ancestors: Tests-eem.193 Merge Tests-dtl.193 Background: http://lists.squeakfoundation.org/pipermail/squeak-dev/2013-March/169911.ht… Two tests that illustrate the limit to number of literals in a compiled method. Both tests pass on Squeak 4.4. One of the tests fails in the most recent Squeak trunk. CompilerTest>>testMaxLiteralsWithClassReferenceInClosure passes in the image at http://build.squeak.org/job/SqueakTrunk/212/ and fails in later updates to trunk. =============== Diff against Tests-eem.193 =============== Item was added: + ----- Method: CompilerTest>>testMaxLiterals (in category 'limits') ----- + testMaxLiterals + "Document the maximum number of literals in a compiled method" + + | maxLiterals stringThatCanBeCompiled stringWithOneTooManyLiterals | + maxLiterals := 249. + stringThatCanBeCompiled := '{ ', (String streamContents: [:strm | + 1 to: maxLiterals do: [:e | strm nextPutAll: '''', e asString, '''', ' . ']]), '}'. + stringWithOneTooManyLiterals := '{ ', (String streamContents: [:strm | + 1 to: maxLiterals + 1 do: [:e | strm nextPutAll: '''', e asString, '''', ' . ']]), '}'. + self shouldnt: [Compiler evaluate: stringThatCanBeCompiled logged: false] raise: Error. + self should: (Compiler evaluate: stringThatCanBeCompiled logged: false) size = maxLiterals. + + "If the following test fails, it means that the limit has been raised or eliminated, + and this test should be updated to reflect the improvement." + self should: [Compiler evaluate: stringWithOneTooManyLiterals logged: false] raise: Error. + ! Item was added: + ----- Method: CompilerTest>>testMaxLiteralsWithClassReferenceInClosure (in category 'limits') ----- + testMaxLiteralsWithClassReferenceInClosure + "Document the maximum number of literals in a compiled method. A class + reference in a closure reduces the maximum literals." + + | maxLiterals stringThatCanBeCompiled stringWithOneTooManyLiterals | + maxLiterals := 244. + stringThatCanBeCompiled := '[ DateAndTime now. Date today. Time ]. { ', + (String streamContents: [:strm | + 1 to: maxLiterals do: [:e | strm nextPutAll: '''', e asString, '''', ' . ']]), '}'. + stringWithOneTooManyLiterals := '[ DateAndTime now. Date today. Time ]. { ', + (String streamContents: [:strm | + 1 to: maxLiterals + 1 do: [:e | strm nextPutAll: '''', e asString, '''', ' . ']]), '}'. + self shouldnt: [Compiler evaluate: stringThatCanBeCompiled logged: false] raise: Error. + self should: (Compiler evaluate: stringThatCanBeCompiled logged: false) size = maxLiterals. + + "If the following test fails, it means that the limit has been raised or eliminated, + and this test should be updated to reflect the improvement." + self should: [Compiler evaluate: stringWithOneTooManyLiterals logged: false] raise: Error. + !

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The Trunk: Tests-dtl.194.mcz
by commits＠source.squeak.org 29 Mar '13

29 Mar '13

1 0

The Trunk: Tests-eem.193.mcz
by commits＠source.squeak.org 27 Mar '13

27 Mar '13

Eliot Miranda uploaded a new version of Tests to project The Trunk: http://source.squeak.org/trunk/Tests-eem.193.mcz ==================== Summary ==================== Name: Tests-eem.193 Author: eem Time: 27 March 2013, 12:39:06.474 pm UUID: 6843d697-b8a7-49fd-88fa-05a98c9ce96f Ancestors: Tests-fbs.192 Tests minus ClassTestCase now moved to SUnit (SUnit-eem.93) =============== Diff against Tests-fbs.192 =============== Item was removed: - TestCase subclass: #ClassTestCase - instanceVariableNames: '' - classVariableNames: '' - poolDictionaries: '' - category: 'Tests-Utilities'! - - !ClassTestCase commentStamp: 'brp 7/26/2003 16:57' prior: 0! - This class is intended for unit tests of individual classes and their metaclasses. - - It provides methods to determine the coverage of the unit tests. - - Subclasses are expected to re-implement #classesToBeTested and #selectorsToBeIgnored. - - They should also implement to confirm that all methods have been tested. - - #testCoverage - - super testCoverage. - - ! Item was removed: - ----- Method: ClassTestCase class>>isAbstract (in category 'Testing') ----- - isAbstract - "Override to true if a TestCase subclass is Abstract and should not have - TestCase instances built from it" - - ^self name = #ClassTestCase - ! Item was removed: - ----- Method: ClassTestCase class>>mustTestCoverage (in category 'Testing') ----- - mustTestCoverage - - ^ false! Item was removed: - ----- Method: ClassTestCase>>categoriesForClass: (in category 'private') ----- - categoriesForClass: aClass - - ^ aClass organization allMethodSelectors collect: - [:each | aClass organization categoryOfElement: each]. - ! Item was removed: - ----- Method: ClassTestCase>>classToBeTested (in category 'coverage') ----- - classToBeTested - - self subclassResponsibility! Item was removed: - ----- Method: ClassTestCase>>selectorsNotTested (in category 'coverage') ----- - selectorsNotTested - - ^ self selectorsToBeTested difference: self selectorsTested. - ! Item was removed: - ----- Method: ClassTestCase>>selectorsTested (in category 'Coverage') ----- - selectorsTested - | literals | - literals := Set new. - self class - selectorsAndMethodsDo: [ :s :m | (s beginsWith: 'test') - ifTrue: [ literals addAll: (m messages)] ]. - ^ literals asSortedArray! Item was removed: - ----- Method: ClassTestCase>>selectorsToBeIgnored (in category 'coverage') ----- - selectorsToBeIgnored - ^ #(#DoIt #DoItIn:)! Item was removed: - ----- Method: ClassTestCase>>selectorsToBeTested (in category 'coverage') ----- - selectorsToBeTested - - ^ ( { self classToBeTested. self classToBeTested class } gather: [:c | c selectors]) - difference: self selectorsToBeIgnored! Item was removed: - ----- Method: ClassTestCase>>targetClass (in category 'private') ----- - targetClass - |className| - - className := self class name asText copyFrom: 0 to: self class name size - 4. - ^ Smalltalk at: (className asString asSymbol). - ! Item was removed: - ----- Method: ClassTestCase>>testClassComment (in category 'tests') ----- - testClassComment - self shouldnt: [self targetClass organization hasNoComment].! Item was removed: - ----- Method: ClassTestCase>>testCoverage (in category 'tests') ----- - testCoverage - - | untested | - self class mustTestCoverage ifTrue: - [ untested := self selectorsNotTested. - self assert: untested isEmpty - description: untested size asString, ' selectors are not covered' ]! Item was removed: - ----- Method: ClassTestCase>>testNew (in category 'tests') ----- - testNew - self shouldnt: [self targetClass new] raise: Error.! Item was removed: - ----- Method: ClassTestCase>>testUnCategorizedMethods (in category 'tests') ----- - testUnCategorizedMethods - | categories slips | - categories := self categoriesForClass: self targetClass. - slips := categories select: [:each | each = #'as yet unclassified']. - self should: [slips isEmpty]. !

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The Trunk: Tests-eem.193.mcz
by commits＠source.squeak.org 27 Mar '13

27 Mar '13

1 0

The Trunk: Tests-eem.193.mcz
by commits＠source.squeak.org 27 Mar '13

27 Mar '13

1 0

The Trunk: SUnit-eem.93.mcz
by commits＠source.squeak.org 27 Mar '13

27 Mar '13

Eliot Miranda uploaded a new version of SUnit to project The Trunk: http://source.squeak.org/trunk/SUnit-eem.93.mcz ==================== Summary ==================== Name: SUnit-eem.93 Author: eem Time: 27 March 2013, 12:34:18.106 pm UUID: daa99dec-920c-4091-978e-600a5d57deb3 Ancestors: SUnit-cmm.92 Move ClassTestCase to SUnit-Extensions from Tests. =============== Diff against SUnit-cmm.92 =============== Item was added: + TestCase subclass: #ClassTestCase + instanceVariableNames: '' + classVariableNames: '' + poolDictionaries: '' + category: 'SUnit-Extensions'! + + !ClassTestCase commentStamp: 'brp 7/26/2003 16:57' prior: 0! + This class is intended for unit tests of individual classes and their metaclasses. + + It provides methods to determine the coverage of the unit tests. + + Subclasses are expected to re-implement #classesToBeTested and #selectorsToBeIgnored. + + They should also implement to confirm that all methods have been tested. + + #testCoverage + + super testCoverage. + + ! Item was added: + ----- Method: ClassTestCase class>>isAbstract (in category 'Testing') ----- + isAbstract + "Override to true if a TestCase subclass is Abstract and should not have + TestCase instances built from it" + + ^self name = #ClassTestCase + ! Item was added: + ----- Method: ClassTestCase class>>mustTestCoverage (in category 'Testing') ----- + mustTestCoverage + + ^ false! Item was added: + ----- Method: ClassTestCase>>categoriesForClass: (in category 'private') ----- + categoriesForClass: aClass + + ^ aClass organization allMethodSelectors collect: + [:each | aClass organization categoryOfElement: each]. + ! Item was added: + ----- Method: ClassTestCase>>classToBeTested (in category 'coverage') ----- + classToBeTested + + self subclassResponsibility! Item was added: + ----- Method: ClassTestCase>>selectorsNotTested (in category 'coverage') ----- + selectorsNotTested + + ^ self selectorsToBeTested difference: self selectorsTested. + ! Item was added: + ----- Method: ClassTestCase>>selectorsTested (in category 'Coverage') ----- + selectorsTested + | literals | + literals := Set new. + self class + selectorsAndMethodsDo: [ :s :m | (s beginsWith: 'test') + ifTrue: [ literals addAll: (m messages)] ]. + ^ literals asSortedArray! Item was added: + ----- Method: ClassTestCase>>selectorsToBeIgnored (in category 'coverage') ----- + selectorsToBeIgnored + ^ #(#DoIt #DoItIn:)! Item was added: + ----- Method: ClassTestCase>>selectorsToBeTested (in category 'coverage') ----- + selectorsToBeTested + + ^ ( { self classToBeTested. self classToBeTested class } gather: [:c | c selectors]) + difference: self selectorsToBeIgnored! Item was added: + ----- Method: ClassTestCase>>targetClass (in category 'private') ----- + targetClass + |className| + + className := self class name asText copyFrom: 0 to: self class name size - 4. + ^ Smalltalk at: (className asString asSymbol). + ! Item was added: + ----- Method: ClassTestCase>>testClassComment (in category 'tests') ----- + testClassComment + self shouldnt: [self targetClass organization hasNoComment].! Item was added: + ----- Method: ClassTestCase>>testCoverage (in category 'tests') ----- + testCoverage + + | untested | + self class mustTestCoverage ifTrue: + [ untested := self selectorsNotTested. + self assert: untested isEmpty + description: untested size asString, ' selectors are not covered' ]! Item was added: + ----- Method: ClassTestCase>>testNew (in category 'tests') ----- + testNew + self shouldnt: [self targetClass new] raise: Error.! Item was added: + ----- Method: ClassTestCase>>testUnCategorizedMethods (in category 'tests') ----- + testUnCategorizedMethods + | categories slips | + categories := self categoriesForClass: self targetClass. + slips := categories select: [:each | each = #'as yet unclassified']. + self should: [slips isEmpty]. !

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The Trunk: SUnit-eem.93.mcz
by commits＠source.squeak.org 27 Mar '13

27 Mar '13

1 0

The Trunk: SUnit-eem.93.mcz
by commits＠source.squeak.org 27 Mar '13

27 Mar '13

1 0

The Trunk: Graphics-tpr.208.mcz
by commits＠source.squeak.org 26 Mar '13

26 Mar '13

tim Rowledge uploaded a new version of Graphics to project The Trunk: http://source.squeak.org/trunk/Graphics-tpr.208.mcz ==================== Summary ==================== Name: Graphics-tpr.208 Author: tpr Time: 26 March 2013, 11:19:24.327 am UUID: 565062f6-2335-4484-bfb9-44a91a9e32eb Ancestors: Graphics-tpr.207 Correct some idiotic bugs in Graphics-tpr.206 - the method intended to call the new pixel peeker bitblt prim wasn't doing so - several places where pixelAt: was used should have been pixelValueAt: (and how stupid we have two variants to get confused) =============== Diff against Graphics-tpr.206 =============== Item was changed: ----- Method: Form>>floodFill2:at: (in category 'filling') ----- floodFill2: aColor at: interiorPoint "Fill the shape (4-connected) at interiorPoint. The algorithm is based on Paul Heckbert's 'A Seed Fill Algorithm', Graphic Gems I, Academic Press, 1990. NOTE: This is a less optimized variant for flood filling which is precisely along the lines of Heckbert's algorithm. For almost all cases #floodFill:at: will be faster (see the comment there) but this method is left in both as reference and as a fallback if such a strange case is encountered in reality." | poker stack old new x y top x1 x2 dy left goRight | poker := BitBlt bitPokerToForm: self. stack := OrderedCollection new: 50. "read old pixel value" + old := self pixelValueAt: interiorPoint. - old := self pixelAt: interiorPoint. "compute new value" new := self pixelValueFor: aColor. old = new ifTrue:[^self]. "no point, is there?!!" x := interiorPoint x. y := interiorPoint y. (y >= 0 and:[y < height]) ifTrue:[ stack addLast: {y. x. x. 1}. "y, left, right, dy" stack addLast: {y+1. x. x. -1}]. [stack isEmpty] whileFalse:[ top := stack removeLast. y := top at: 1. x1 := top at: 2. x2 := top at: 3. dy := top at: 4. y := y + dy. "Segment of scanline (y-dy) for x1 <= x <= x2 was previously filled. Now explore adjacent pixels in scanline y." x := x1. + [x >= 0 and:[(self pixelValueAt: x@y) = old]] whileTrue:[ - [x >= 0 and:[(self pixelAt: x@y) = old]] whileTrue:[ poker pixelAt: x@y put: new. x := x - 1]. goRight := x < x1. left := x+1. (left < x1 and:[y-dy >= 0 and:[y-dy < height]]) ifTrue:[stack addLast: {y. left. x1-1. 0-dy}]. goRight ifTrue:[x := x1 + 1]. [ goRight ifTrue:[ + [x < width and:[(self pixelValueAt: x@y) = old]] whileTrue:[ - [x < width and:[(self pixelAt: x@y) = old]] whileTrue:[ poker pixelAt: x@y put: new. x := x + 1]. (y+dy >= 0 and:[y+dy < height]) ifTrue:[stack addLast: {y. left. x-1. dy}]. (x > (x2+1) and:[y-dy >= 0 and:[y-dy >= 0]]) ifTrue:[stack addLast: {y. x2+1. x-1. 0-dy}]]. + [(x := x + 1) <= x2 and:[(self pixelValueAt: x@y) ~= old]] whileTrue. - [(x := x + 1) <= x2 and:[(self pixelAt: x@y) ~= old]] whileTrue. left := x. goRight := true. x <= x2] whileTrue. ]. ! Item was changed: ----- Method: Form>>primPixelValueAtX:y: (in category 'pixel access') ----- primPixelValueAtX: x y: y "Return the raw pixel value at the given point. This pixel value depends on the receiver's depth. Typical clients use colorAt: to get a Color. Make sure the colorMap is nil for ColorForms " + <primitive: 'primitivePixelValueAt' module:'BitBltPlugin'> - <primitive: 'primitivePixelValueAt' module:'PixelValuePeekPlugin'> ^(BitBlt bitPeekerFromForm: self) colorMap: nil; pixelAt: x@y! Item was changed: ----- Method: PNMReadWriter>>nextPutGray: (in category 'writing') ----- nextPutGray: aForm | myType val | cols := aForm width. rows := aForm height. depth := aForm depth. "stream position: 0." aForm depth = 1 ifTrue:[myType := $4] ifFalse:[myType := $5]. self writeHeader: myType. 0 to: rows-1 do: [:y | 0 to: cols-1 do: [:x | + val := aForm pixelValueAt: x@y. - val := aForm pixelAt: x@y. stream nextPut: val. ] ]. ! Item was changed: ----- Method: PNMReadWriter>>nextPutRGB: (in category 'writing') ----- nextPutRGB: aForm | myType f shift mask | cols := aForm width. rows := aForm height. depth := aForm depth. f := aForm. depth < 16 ifTrue:[ f := aForm asFormOfDepth: 32. depth := 32. ]. myType := $6. "stream position: 0." self writeHeader: myType. depth = 32 ifTrue:[shift := 8. mask := 16rFF] ifFalse:[shift := 5. mask := 16r1F]. 0 to: rows-1 do: [:y | 0 to: cols-1 do: [:x | | p r g b | + p := f pixelValueAt: x@y. - p := f pixelAt: x@y. b := p bitAnd: mask. p := p >> shift. g := p bitAnd: mask. p := p >> shift. r := p bitAnd: mask. stream nextPut: r. stream nextPut: g. stream nextPut: b. ] ]. ! Item was changed: ----- Method: Pen>>print:withFont: (in category 'operations') ----- print: str withFont: font "Print the given string in the given font at the current heading" | lineStart scale wasDown | scale := sourceForm width. wasDown := penDown. lineStart := location. str do: [:char | char = Character cr ifTrue: [self place: lineStart; up; turn: 90; go: font height*scale; turn: -90; down] ifFalse: [ | charStart pix rowStart form backgroundCode | form := font characterFormAt: char. backgroundCode := 1<< (form depth // 3 * 3) - 1. charStart := location. wasDown ifTrue: [ self up; turn: -90; go: font descent*scale; turn: 90; down. 0 to: form height-1 do: [:y | rowStart := location. pix := RunArray newFrom: + ((0 to: form width-1) collect: [:x | form pixelValueAt: x@y]). - ((0 to: form width-1) collect: [:x | form pixelAt: x@y]). pix runs with: pix values do: [:run :value | value = backgroundCode ifTrue: [self up; go: run*scale; down] ifFalse: [self go: run*scale]]. self place: rowStart; up; turn: 90; go: scale; turn: -90; down]. ]. self place: charStart; up; go: form width*scale; down]. ]. wasDown ifFalse: [self up] " Display restoreAfter: [Pen new squareNib: 2; color: Color red; turn: 45; print: 'The owl and the pussycat went to sea in a beautiful pea green boat.' withFont: TextStyle defaultFont] "! Item was changed: ----- Method: WarpBlt>>warpBitsSmoothing:sourceMap: (in category 'primitives') ----- warpBitsSmoothing: n sourceMap: sourceMap | deltaP12 deltaP43 pA pB deltaPAB sp fixedPtOne poker pix nSteps | <primitive: 'primitiveWarpBits' module: 'BitBltPlugin'> "Check for compressed source, destination or halftone forms" ((sourceForm isForm) and: [sourceForm unhibernate]) ifTrue: [^ self warpBitsSmoothing: n sourceMap: sourceMap]. ((destForm isForm) and: [destForm unhibernate]) ifTrue: [^ self warpBitsSmoothing: n sourceMap: sourceMap]. ((halftoneForm isForm) and: [halftoneForm unhibernate]) ifTrue: [^ self warpBitsSmoothing: n sourceMap: sourceMap]. (width < 1) | (height < 1) ifTrue: [^ self]. fixedPtOne := 16384. "1.0 in fixed-pt representation" n > 1 ifTrue: [(destForm depth < 16 and: [colorMap == nil]) ifTrue: ["color map is required to smooth non-RGB dest" ^ self primitiveFail]. pix := Array new: n*n]. nSteps := height-1 max: 1. deltaP12 := (self deltaFrom: p1x to: p2x nSteps: nSteps) @ (self deltaFrom: p1y to: p2y nSteps: nSteps). pA := (self startFrom: p1x to: p2x offset: nSteps*deltaP12 x) @ (self startFrom: p1y to: p2y offset: nSteps*deltaP12 y). deltaP43 := (self deltaFrom: p4x to: p3x nSteps: nSteps) @ (self deltaFrom: p4y to: p3y nSteps: nSteps). pB := (self startFrom: p4x to: p3x offset: nSteps*deltaP43 x) @ (self startFrom: p4y to: p3y offset: nSteps*deltaP43 y). poker := BitBlt bitPokerToForm: destForm. poker clipRect: self clipRect. nSteps := width-1 max: 1. destY to: destY+height-1 do: [:y | deltaPAB := (self deltaFrom: pA x to: pB x nSteps: nSteps) @ (self deltaFrom: pA y to: pB y nSteps: nSteps). sp := (self startFrom: pA x to: pB x offset: nSteps*deltaPAB x) @ (self startFrom: pA y to: pB y offset: nSteps*deltaPAB x). destX to: destX+width-1 do: [:x | n = 1 ifTrue: [poker pixelAt: x@y + put: (sourceForm pixelValueAt: sp // fixedPtOne asPoint)] - put: (sourceForm pixelAt: sp // fixedPtOne asPoint)] ifFalse: [0 to: n-1 do: [:dx | 0 to: n-1 do: [:dy | pix at: dx*n+dy+1 put: + (sourceForm pixelValueAt: sp - (sourceForm pixelAt: sp + (deltaPAB*dx//n) + (deltaP12*dy//n) // fixedPtOne asPoint)]]. poker pixelAt: x@y put: (self mixPix: pix sourceMap: sourceMap destMap: colorMap)]. sp := sp + deltaPAB]. pA := pA + deltaP12. pB := pB + deltaP43]!

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The Trunk: Graphics-tpr.208.mcz
by commits＠source.squeak.org 26 Mar '13

26 Mar '13

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