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ClearScript/ClearScriptTest/PropertyBagTest.Windows.cs at master · ClearFoundry/ClearScript · GitHub
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
using
System
;
using
System
.
Linq
;
using
System
.
Threading
;
using
Microsoft
.
ClearScript
.
Util
;
using
Microsoft
.
ClearScript
.
V8
;
using
Microsoft
.
ClearScript
.
Windows
;
using
Microsoft
.
VisualStudio
.
TestTools
.
UnitTesting
;
namespace
Microsoft
.
ClearScript
.
Test
{
public
partial
class
PropertyBagTest
{
#region test methods
// ReSharper disable InconsistentNaming
[
TestMethod
,
TestCategory
(
"PropertyBag"
)
]
public
void
PropertyBag_MultiEngine
(
)
{
var
bag
=
new
PropertyBag
(
)
;
engine
.
AddHostObject
(
"bag"
,
bag
)
;
Action
innerTest
=
(
)
=>
{
// The Visual Studio 2013 debugging stack fails to release the script engine
// properly, resulting in test failure. Visual Studio 2012 does not have this bug.
using
(
var
scriptEngine
=
new
VBScriptEngine
(
)
)
{
scriptEngine
.
AddHostObject
(
"bag"
,
bag
)
;
Assert
.
AreEqual
(
2
,
bag
.
EngineCount
)
;
}
}
;
innerTest
(
)
;
GC
.
Collect
(
GC
.
MaxGeneration
,
GCCollectionMode
.
Forced
)
;
Assert
.
AreEqual
(
1
,
bag
.
EngineCount
)
;
}
[
TestMethod
,
TestCategory
(
"PropertyBag"
)
]
public
void
PropertyBag_MultiEngine_Property
(
)
{
var
outerBag
=
new
PropertyBag
(
)
;
engine
.
AddHostObject
(
"bag"
,
outerBag
)
;
var
innerBag
=
new
PropertyBag
(
)
;
Action
innerTest
=
(
)
=>
{
// The Visual Studio 2013 debugging stack fails to release the script engine
// properly, resulting in test failure. Visual Studio 2012 does not have this bug.
using
(
var
scriptEngine
=
new
VBScriptEngine
(
)
)
{
scriptEngine
.
AddHostObject
(
"bag"
,
outerBag
)
;
outerBag
.
Add
(
"innerBag"
,
innerBag
)
;
Assert
.
AreEqual
(
2
,
innerBag
.
EngineCount
)
;
}
}
;
innerTest
(
)
;
GC
.
Collect
(
GC
.
MaxGeneration
,
GCCollectionMode
.
Forced
)
;
Assert
.
AreEqual
(
1
,
innerBag
.
EngineCount
)
;
}
[
TestMethod
,
TestCategory
(
"PropertyBag"
)
]
public
void
PropertyBag_MultiEngine_HostFunctions
(
)
{
using
(
var
scriptEngine
=
new
V8ScriptEngine
(
V8ScriptEngineFlags
.
EnableDebugging
)
)
{
const
string
code
=
"bag.host.func(0, function () { return bag.func(); })"
;
var
bag
=
new
PropertyBag
{
{
"host"
,
new
HostFunctions
(
)
}
,
{
"func"
,
new
Func
<
object
>
(
(
)
=>
ScriptEngine
.
Current
)
}
}
;
engine
.
AddHostObject
(
"bag"
,
bag
)
;
scriptEngine
.
AddHostObject
(
"bag"
,
bag
)
;
var
func
=
(
Func
<
object
>
)
engine
.
Evaluate
(
code
)
;
Assert
.
AreSame
(
engine
,
func
(
)
)
;
func
=
(
Func
<
object
>
)
scriptEngine
.
Evaluate
(
code
)
;
Assert
.
AreSame
(
scriptEngine
,
func
(
)
)
;
}
}
[
TestMethod
,
TestCategory
(
"PropertyBag"
)
]
public
void
PropertyBag_MultiEngine_Parallel
(
)
{
// This is a torture test for ConcurrentWeakSet and general engine teardown/cleanup.
// It has exposed some very tricky engine bugs.
var
bag
=
new
PropertyBag
(
)
;
engine
.
AddHostObject
(
"bag"
,
bag
)
;
var
threadCount
=
Environment
.
Is64BitProcess
?
1024
:
256
;
var
engineCount
=
0
;
// 32-bit V8 starts failing requests to create new contexts rather quickly. This is
// because each V8 isolate requires (among other things) a 32MB address space
// reservation. 64-bit V8 reserves much larger blocks but benefits from the enormous
// available address space.
var
maxV8Count
=
Environment
.
Is64BitProcess
?
256
:
16
;
var
maxJScriptCount
=
(
threadCount
-
maxV8Count
)
/
2
;
var
startEvent
=
new
ManualResetEventSlim
(
false
)
;
var
checkpointEvent
=
new
ManualResetEventSlim
(
false
)
;
var
continueEvent
=
new
ManualResetEventSlim
(
false
)
;
var
stopEvent
=
new
ManualResetEventSlim
(
false
)
;
ParameterizedThreadStart
body
=
arg
=>
{
// ReSharper disable AccessToDisposedClosure
var
index
=
(
int
)
arg
;
startEvent
.
Wait
(
)
;
ScriptEngine
scriptEngine
;
if
(
index
<
maxV8Count
)
{
scriptEngine
=
new
V8ScriptEngine
(
)
;
}
else
if
(
index
<
(
maxV8Count
+
maxJScriptCount
)
)
{
scriptEngine
=
new
JScriptEngine
(
)
;
}
else
{
scriptEngine
=
new
VBScriptEngine
(
)
;
}
scriptEngine
.
AddHostObject
(
"bag"
,
bag
)
;
if
(
Interlocked
.
Increment
(
ref
engineCount
)
==
threadCount
)
{
checkpointEvent
.
Set
(
)
;
}
continueEvent
.
Wait
(
)
;
scriptEngine
.
Dispose
(
)
;
if
(
Interlocked
.
Decrement
(
ref
engineCount
)
==
0
)
{
stopEvent
.
Set
(
)
;
}
// ReSharper restore AccessToDisposedClosure
}
;
var
threads
=
Enumerable
.
Range
(
0
,
threadCount
)
.
Select
(
_
=>
new
Thread
(
body
)
)
.
ToArray
(
)
;
threads
.
ForEach
(
(
thread
,
index
)
=>
thread
.
Start
(
index
)
)
;
startEvent
.
Set
(
)
;
checkpointEvent
.
Wait
(
)
;
Assert
.
AreEqual
(
threadCount
+
1
,
bag
.
EngineCount
)
;
continueEvent
.
Set
(
)
;
stopEvent
.
Wait
(
)
;
GC
.
Collect
(
GC
.
MaxGeneration
,
GCCollectionMode
.
Forced
)
;
Assert
.
AreEqual
(
1
,
bag
.
EngineCount
)
;
Array
.
ForEach
(
threads
,
thread
=>
thread
.
Join
(
)
)
;
startEvent
.
Dispose
(
)
;
checkpointEvent
.
Dispose
(
)
;
continueEvent
.
Dispose
(
)
;
stopEvent
.
Dispose
(
)
;
}
[
TestMethod
,
TestCategory
(
"PropertyBag"
)
]
public
void
PropertyBag_Concurrent_JScript
(
)
{
var
bag
=
new
ConcurrentPropertyBag
(
)
;
engine
.
AddHostObject
(
"bag"
,
bag
)
;
var
threadCount
=
Environment
.
Is64BitProcess
?
512
:
16
;
var
engineCount
=
0
;
var
startEvent
=
new
ManualResetEventSlim
(
false
)
;
var
checkpointEvent
=
new
ManualResetEventSlim
(
false
)
;
var
continueEvent
=
new
ManualResetEventSlim
(
false
)
;
var
stopEvent
=
new
ManualResetEventSlim
(
false
)
;
ParameterizedThreadStart
body
=
arg
=>
{
// ReSharper disable AccessToDisposedClosure
var
index
=
(
int
)
arg
;
startEvent
.
Wait
(
)
;
var
scriptEngine
=
new
Windows
.
Core
.
JScriptEngine
(
Windows
.
Core
.
NullSyncInvoker
.
Instance
)
;
scriptEngine
.
AddHostObject
(
"bag"
,
bag
)
;
scriptEngine
.
Global
[
"index"
]
=
index
;
scriptEngine
.
Execute
(
"bag['foo' + index] = index"
)
;
Assert
.
AreEqual
(
index
,
scriptEngine
.
Evaluate
(
"bag['foo' + index]"
)
)
;
if
(
Interlocked
.
Increment
(
ref
engineCount
)
==
threadCount
)
{
checkpointEvent
.
Set
(
)
;
}
continueEvent
.
Wait
(
)
;
scriptEngine
.
Dispose
(
)
;
if
(
Interlocked
.
Decrement
(
ref
engineCount
)
==
0
)
{
stopEvent
.
Set
(
)
;
}
// ReSharper restore AccessToDisposedClosure
}
;
var
threads
=
Enumerable
.
Range
(
0
,
threadCount
)
.
Select
(
_
=>
new
Thread
(
body
)
)
.
ToArray
(
)
;
threads
.
ForEach
(
(
thread
,
index
)
=>
thread
.
Start
(
index
)
)
;
startEvent
.
Set
(
)
;
checkpointEvent
.
Wait
(
)
;
Assert
.
AreEqual
(
threadCount
+
1
,
bag
.
EngineCount
)
;
continueEvent
.
Set
(
)
;
stopEvent
.
Wait
(
)
;
GC
.
Collect
(
GC
.
MaxGeneration
,
GCCollectionMode
.
Forced
)
;
Assert
.
AreEqual
(
1
,
bag
.
EngineCount
)
;
Array
.
ForEach
(
threads
,
thread
=>
thread
.
Join
(
)
)
;
startEvent
.
Dispose
(
)
;
checkpointEvent
.
Dispose
(
)
;
continueEvent
.
Dispose
(
)
;
stopEvent
.
Dispose
(
)
;
}
// ReSharper restore InconsistentNaming
#endregion
}
}
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