forked from bonzini/smalltalk
/
cobjects.st
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/
cobjects.st
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"======================================================================
|
| Test CObject operations
|
|
======================================================================"
"======================================================================
|
| Copyright (C) 2002, 2005, 2007, 2008 Free Software Foundation.
| Written by Paolo Bonzini
|
| This file is part of GNU Smalltalk.
|
| GNU Smalltalk is free software; you can redistribute it and/or modify it
| under the terms of the GNU General Public License as published by the Free
| Software Foundation; either version 2, or (at your option) any later version.
|
| GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
| FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
| details.
|
| You should have received a copy of the GNU General Public License along with
| GNU Smalltalk; see the file COPYING. If not, write to the Free Software
| Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
======================================================================"
Eval [
| ca buf |
ca := (CStringType arrayType: 1) new.
buf := (CCharType arrayType: 10) new.
buf at: 0 put: $a.
buf at: 1 put: $s.
buf at: 2 put: $d.
buf at: 3 put: 0 asCharacter.
ca at: 0 put: buf.
^ca at: 0
]
Eval [
| ca |
ca := (CStringType arrayType: 1) new.
ca at: 0 put: (CString value: 'asd').
^ca at: 0
]
Eval [ Smalltalk at: #CA put: nil ]
Eval [
CA := (CStringType arrayType: 2) new.
CA at: 0 put: (CString value: 'asd').
CA at: 1 put: (CString value: 'dsa')
]
Eval [ CA at: 0 ]
Eval [ CA at: 1 ]
Eval [ (CA addressAt: 0) class ]
Eval [ (CA addressAt: 0) value ]
Eval [ (CA addressAt: 1) value ]
Eval [ (CA + 1) class ]
Eval [ (CA + 1) at: -1 ]
Eval [ (CA + 1) at: 0 ]
Eval [ (CA + 1) - CA ]
Eval [ Smalltalk at: #CP put: nil ]
Eval [
CP := CStringType ptrType new.
CP value: CA.
CP value at: 0
]
Eval [ CP value at: 1 ]
Eval [ (CP value addressAt: 0) class ]
Eval [ (CP value addressAt: 0) value ]
Eval [ (CP value addressAt: 1) value ]
Eval [ (CP value + 1) class ]
Eval [ (CP value + 1) at: -1 ]
Eval [ (CP value + 1) at: 0 ]
Eval [ (CP value + 1) - CA ]
Eval [ (CPtrCType elementType: #int) new value ]
SmallInteger extend [
testAsync [
"Asynchronous vs. synchronous actually matters only when the function
calls back to Smalltalk. But otherwise, we have no coverage of how
the asyncCCall pragma is compiled."
<asyncCCall: 'marli' args: #(#self)>
]
]
Eval [ 3 testAsync ]
Object extend [
testCallin [
<cCall: 'testCallin' returning: #void args: #(#selfSmalltalk)>
]
testCString: cString [
<cCall: 'testCString' returning: #void args: #(#cObject)>
]
testCObjectPtr: cObject [
<cCall: 'testCObjectPtr' returning: #void args: #(#cObjectPtr)>
]
]
Eval [ true testCallin ]
Eval [ nil testCString: (CString value: 'this is a test') ]
Eval [
cObject := CCharType new.
nil testCObjectPtr: cObject.
^cObject asString
]
Eval [
CStruct subclass: #StructB.
(CStruct subclass: #StructC) declaration: #((#b (#ptr #StructB))).
^StructC new b elementType cObjectType
]
Eval [
(CStruct subclass: #StructD) declaration: #((#b (#ptr #{StructB}))).
^StructD new b elementType cObjectType
]
"test some GCed CObjects."
Eval [
cObject := (CShortType arrayType: 4) gcNew.
cObject storage size printNl.
cObject at: 1 put: 16r1111.
cObject at: 2 put: 16r2222.
cObject decr.
(cObject at: 2) printNl.
(cObject at: 3) printNl.
cObject at: 4 put: 16r3333.
cObject storage printNl.
cObject at: 5 put: 16rDEAD.
]
"test partly out of bound accesses"
Eval [
cObject := (CShortType arrayType: 4) gcNew.
cObject adjPtrBy: 7.
cObject at: -4
]
Eval [
cObject := (CShortType arrayType: 4) gcNew.
cObject adjPtrBy: 7.
cObject at: 0
]
Eval [
cObject := (CShortType arrayType: 4) gcNew.
cIntObject := (cObject + 2) castTo: CIntType.
cIntObject value: 16r11111111.
(cObject at: 2) printNl.
cIntObject at: 1
]
Eval [
cObject := CCharType gcNew.
nil testCObjectPtr: cObject.
^cObject isAbsolute "must be true"
]
CStruct subclass: A [ <declaration: #((#a #int) (#b #char))> ]
Eval [
cObj := A gcNew.
cObj incr.
cObj a printNl.
cObj a value
]
Eval [
cObj := A gcNew.
cObj b value: $A.
cObj storage printNl
]
" ### need a lot more!"