FFI: FFI-Tests-mt.36.mcz

Marcel Taeumel uploaded a new version of FFI-Tests to project FFI:
http://source.squeak.org/FFI/FFI-Tests-mt.36.mcz

==================== Summary ====================

Name: FFI-Tests-mt.36
Author: mt
Time: 15 May 2021, 7:04:54.637008 pm
UUID: ee0e3f05-aef0-6a43-9514-cd18cdef0092
Ancestors: FFI-Tests-mt.35

Complements FFI-Kernel-mt.149

=============== Diff against FFI-Tests-mt.35 ===============

Item was changed:
  ----- Method: ExternalTypeTests>>testAtomicTypeRange (in category 'tests - atomic types') -----
  testAtomicTypeRange
  "Tests the range of non-integer and non-float types. Includes char types because those look different in Smalltalk."
 
  self should: [ExternalType void minVal] raise: Error.
  self should: [ExternalType void maxVal] raise: Error.
 
  self should: [ExternalType bool minVal] raise: Error.
  self should: [ExternalType bool maxVal] raise: Error.
 
+ self should: [ExternalType char "unsignedChar" minVal] raise: Error.
+ self should: [ExternalType char "unsignedChar" maxVal] raise: Error.
+
+ self should: [ExternalType signedChar "schar" minVal] raise: Error.
+ self should: [ExternalType signedChar "schar" maxVal] raise: Error.
- self assert: Character null equals: ExternalType char "unsignedChar" minVal.
- self assert: (Character value: 255) equals: ExternalType char "unsignedChar" maxVal.
- self assert: (Character value: 128) equals: ExternalType signedChar "schar" minVal.
- self assert: (Character value: 127) equals: ExternalType signedChar "schar" maxVal.
  !

Item was added:
+ ----- Method: ExternalTypeTests>>testIntegerNotCharType (in category 'tests - atomic integer types') -----
+ testIntegerNotCharType
+
+ #( signedChar unsignedChar ) do: [:typeName |
+ | type |
+ type := ExternalType typeNamed: typeName.
+ self deny: type isIntegerType].!

Item was added:
+ ----- Method: FFIAllocateExternalTests>>test10ArrayClasses (in category 'tests - array') -----
+ test10ArrayClasses
+ "Array classes do not apply to external allocation."!

Item was added:
+ ----- Method: FFIAllocateTests>>performTest (in category 'running') -----
+ performTest
+ "Tests should opt-in to have more control."
+
+ | prior |
+ prior := ExternalType useArrayClasses.
+ [ExternalType useArrayClasses: false.
+ super performTest]
+ ensure: [ExternalType useArrayClasses: prior].!

Item was added:
+ ----- Method: FFIAllocateTests>>test10ArrayClasses (in category 'tests - array') -----
+ test10ArrayClasses
+ "For integer and float types, allocate arrays and check for specific array classes. Then construct a conventional byte array for an external data structure. A copy should also convert into a specific array class with the same contents."
+
+ ExternalType useArrayClassesDuring: [
+
+ ExternalType atomicTypes do: [:contentType |
+ (contentType isIntegerType
+ or: [contentType isFloatType]
+ or: [contentType isCharType]) ifTrue: [
+ | array arrayType data copy |
+ array := self allocate: contentType size: 5.
+ arrayType := array externalType.
+
+ self assert: array isArray.
+ self assert: 5 equals: array size.
+ self assert: array byteSize equals: arrayType byteSize.
+
+ contentType = ExternalType signedChar ifFalse: [
+ self flag: #discuss. "mt: What is signedChar even for?"
+ self assert: contentType equals: array contentType].
+
+ self deny: array isNull.
+ self deny: (array isKindOf: ExternalData).
+ self assert: array equals: array getHandle.
+
+ self shouldnt: [array at: 1 put: contentType allocate] raise: Error.
+ self shouldnt: [array zeroMemory] raise: Error.
+ self should: [array setContentType: ExternalType byte] raise: Error.
+ self should: [array setSize: 42] raise: Error.
+
+ data := ExternalData
+ fromHandle: (ByteArray new: arrayType byteSize)
+ type: arrayType.
+ copy := data copy. "From external data into raw-bits array."
+ self deny: array equals: data.
+ self assert: array equals: copy. ]]].!