FFI: FFI-CallbacksTests-mt.4.mcz

Marcel Taeumel uploaded a new version of FFI-CallbacksTests to project FFI:
http://source.squeak.org/FFI/FFI-CallbacksTests-mt.4.mcz

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

Name: FFI-CallbacksTests-mt.4
Author: mt
Time: 28 May 2021, 4:52:03.114735 pm
UUID: ae1966df-d4d7-4464-947d-d1e4618d5e7d
Ancestors: FFI-CallbacksTests-mt.3

Complements FFI-Callbacks-mt.24

=============== Diff against FFI-CallbacksTests-mt.3 ===============

Item was changed:
  ----- Method: FFICallbackTests>>test08ManagedCallback (in category 'tests') -----
  test08ManagedCallback
 
  | array unsorted sorted compare callback |
  unsorted := #(71 66 33 77 16 63 91 54 48 52).
  sorted := #(16 33 48 52 54 63 66 71 77 91).
 
  array := ExternalType int32_t allocate: 10.
  1 to: array size do: [:index |
  array at: index put: (unsorted at: index)].
 
  compare := [:a :b | (a - b) sign].
  callback := compare gcSignature: #(int32_t 'int32_t*' 'int32_t*').
 
  lib
  qsort: array
  with: array size
  with: array contentType byteSize
  with: callback.
  self assert: (sorted hasEqualElements: array).
 
  "Callback no longer needed but still there."
  Smalltalk garbageCollect.
  self deny: callback isNull.
 
  "Callback depends on the existence of the compare block."
  self
  assert: callback
+ identical: (FFICallback fromEvaluable: compare).
- identical: (FFICallback lookupCallbackForEvaluable: compare).
  compare := nil.
  Smalltalk garbageCollect.
  self assert: callback isNull.!

Item was changed:
  ----- Method: FFICallbackTests>>test09UnmanagedCallback (in category 'tests') -----
  test09UnmanagedCallback
 
  | array unsorted sorted compare callback |
  unsorted := #(71 66 33 77 16 63 91 54 48 52).
  sorted := #(16 33 48 52 54 63 66 71 77 91).
 
  array := ExternalType int32_t allocate: 10.
  1 to: array size do: [:index |
  array at: index put: (unsorted at: index)].
 
  compare := [:a :b | (a - b) sign].
  callback := compare signature: #(int32_t 'int32_t*' 'int32_t*').
 
  lib
  qsort: array
  with: array size
  with: array contentType byteSize
  with: callback.
  self assert: (sorted hasEqualElements: array).
 
  "Callback no longer needed but still there."
  Smalltalk garbageCollect.
  self deny: callback isNull.
 
  "Callback independent from the compare block."
+ self assert: (FFICallback fromEvaluable: compare) isNil.
- self assert: (FFICallback lookupCallbackForEvaluable: compare) isNil.
  compare := nil.
  Smalltalk garbageCollect.
  self deny: callback isNull.
 
  "Callback needs to be free'd manually."
  callback free.
  self assert: callback isNull.!