GNU
/
easejs
1
0
Fork 0
Code Releases Activity

Extracted warning handlers into their own prototypes

protolib
Mike Gerwitz 2014-06-11 21:49:00 -04:00
parent de33a7c964
commit 4e3d609b01
17 changed files with 457 additions and 394 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lib/ClassBuilder.js
View File

@ -25,8 +25,7 @@
*/
var util = require( './util' ),
warn = require( './warn' ),
Warning = warn.Warning,
Warning = require( './warn' ).Warning,
hasOwn = Object.prototype.hasOwnProperty,
@ -90,15 +89,23 @@ var util = require( './util' ),
* @constructor
*/
module.exports = exports =
function ClassBuilder( member_builder, visibility_factory )
function ClassBuilder( warn_handler, member_builder, visibility_factory )
{
// allow ommitting the 'new' keyword
if ( !( this instanceof exports ) )
{
// module.exports for Closure Compiler
return new module.exports( member_builder, visibility_factory );
return new module.exports(
warn_handler, member_builder, visibility_factory
);
}
/**
* Determines how warnings should be handled
* @type {WarningHandler}
*/
this._warnHandler = warn_handler;
/**
* Used for building class members
* @type {Object}
@ -396,7 +403,7 @@ exports.prototype.build = function extend( _, __ )
// intercept warnings /only/
if ( e instanceof Warning )
{
warn.handle( e );
this._warnHandler.handle( e );
}
else
{

1
lib/MemberBuilder.js
View File

@ -30,7 +30,6 @@
*/
var util = require( './util' ),
Warning = require( './warn' ).Warning,
visibility = [ 'public', 'protected', 'private' ]
;

14
lib/class.js
View File

@ -19,6 +19,19 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Console to use for logging
*
* This reference allows an alternative console to be used. Must contain
* warn() or log() methods.
*
* TODO: This needs to be moved into a facade, once more refactoring can be
* done; it was moved out of warn during its refactoring.
*
* @type {Object}
*/
var _console = ( typeof console !== 'undefined' ) ? console : undefined;
var util = require( './util' ),
ClassBuilder = require( './ClassBuilder' ),
@ -29,6 +42,7 @@ var util = require( './util' ),
wrappers = require( './MethodWrappers' ).standard,
class_builder = ClassBuilder(
warn.LogHandler( _console ),
require( './MemberBuilder' )(
MethodWrapperFactory( wrappers.wrapNew ),
MethodWrapperFactory( wrappers.wrapOverride ),

131
lib/warn.js
View File

@ -1,7 +1,7 @@
/**
* ease.js warning system
*
* Copyright (C) 2011, 2012, 2013 Free Software Foundation, Inc.
* Copyright (C) 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
@ -19,130 +19,11 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Active warning handler
* @type {?function( Warning )}
*/
var _handler = null;
module.exports = {
Warning: require( './warn/Warning' ),
/**
* Console to use for logging
*
* This reference allows an alternative console to be used. Must contain warn()
* or log() methods.
*
* @type {Object}
*/
var _console = ( typeof console !== 'undefined' ) ? console : undefined;
exports.Warning = require( './warn/Warning' );
/**
* Core warning handlers
* @type {Object}
*/
exports.handlers = {
/**
* Logs message to console
*
* Will attempt to log using console.warn(), falling back to console.log()
* if necessary and aborting entirely if neither is available.
*
* This is useful as a default option to bring problems to the developer's
* attention without affecting the control flow of the software.
*
* @param {Warning} warning to log
*
* @return {undefined}
*/
log: function( warning )
{
var dest;
_console && ( dest = _console.warn || _console.log ) &&
dest.call( _console, ( 'Warning: ' + warning.message ) );
},
/**
* Throws the error associated with the warning
*
* This handler is useful for development and will ensure that problems are
* brought to the attention of the developer.
*
* @param {Warning} warning to log
*
* @return {undefined}
*/
throwError: function( warning )
{
throw warning.getError();
},
/**
* Ignores warnings
*
* This is useful in a production environment where (a) warnings will affect
* the reputation of the software or (b) warnings may provide too much
* insight into the software. If using this option, you should always
* develop in a separate environment so that the system may bring warnings
* to your attention.
*
* @param {Warning} warning to log
*
* @return {undefined}
*/
dismiss: function( warning )
{
// do nothing
},
DismissiveHandler: require( './warn/DismissiveHandler' ),
LogHandler: require( './warn/LogHandler' ),
ThrowHandler: require( './warn/ThrowHandler' ),
};
/**
* Sets the active warning handler
*
* You may use any of the predefined warning handlers or pass your own function.
*
* @param {function( Warning )} handler warning handler
*
* @return {undefined}
*/
exports.setHandler = function( handler )
{
_handler = handler;
};
/**
* Handles a warning using the active warning handler
*
* @param {Warning} warning warning to handle
*
* @return {undefined}
*/
exports.handle = function( warning )
{
_handler( warning );
}
/**
* Sets active console
*
* @param {Object} console containing warn() or log() method
*
* @return {undefined}
*/
exports.setConsole = function( console )
{
_console = console;
};
// set the default handler
_handler = exports.handlers.log;

51
lib/warn/DismissiveHandler.js 100644
View File

@ -0,0 +1,51 @@
/**
* Dismissive warning handler
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Warning handler that dismisses (ignores) all warnings
*
* This is useful in a production environment.
*/
function DismissiveHandler()
{
if ( !( this instanceof DismissiveHandler ) )
{
return new DismissiveHandler();
}
}
DismissiveHandler.prototype = {
/**
* Handle a warning
*
* @param {Warning} warning warning to handle
* @return {undefined}
*/
handle: function( warning )
{
// intentionally do nothing
},
}
module.exports = DismissiveHandler;

64
lib/warn/LogHandler.js 100644
View File

@ -0,0 +1,64 @@
/**
* Logging warning handler
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Warning handler that logs all warnings to a console
*
* @param {Object} console console with a warn or log method
*/
function LogHandler( console )
{
if ( !( this instanceof LogHandler ) )
{
return new LogHandler( console );
}
this._console = console || {};
}
LogHandler.prototype = {
/**
* Handle a warning
*
* Will attempt to log using console.warn(), falling back to
* console.log() if necessary and aborting entirely if neither is
* available.
*
* This is useful as a default option to bring problems to the
* developer's attention without affecting the control flow of the
* software.
*
* @param {Warning} warning warning to handle
* @return {undefined}
*/
handle: function( warning )
{
var dest = this._console.warn || this._console.log;
dest && dest.call( this._console,
'Warning: ' + warning.message
);
},
}
module.exports = LogHandler;

54
lib/warn/ThrowHandler.js 100644
View File

@ -0,0 +1,54 @@
/**
* Throwing warning handler
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Warning handler that throws all warnings as exceptions
*/
function ThrowHandler()
{
if ( !( this instanceof ThrowHandler ) )
{
return new ThrowHandler();
}
}
ThrowHandler.prototype = {
/**
* Handle a warning
*
* Throws the error associated with the warning.
*
* This handler is useful for development and will ensure that problems
* are brought to the attention of the developer.
*
* @param {Warning} warning warning to handle
* @return {undefined}
*/
handle: function( warning )
{
throw warning.getError();
},
}
module.exports = ThrowHandler;

9
test/ClassBuilder/ConstTest.js
View File

@ -23,8 +23,6 @@ require( 'common' ).testCase(
{
caseSetUp: function()
{
// XXX: get rid of this disgusting mess; we're mid-refactor and all
// these dependencies should not be necessary for testing
this.Sut = this.require( 'ClassBuilder' );
this.MethodWrapperFactory = this.require( 'MethodWrapperFactory' );
@ -34,14 +32,17 @@ require( 'common' ).testCase(
setUp: function()
{
// XXX: get rid of this disgusting mess; we're mid-refactor and all
// these dependencies should not be necessary for testing
this.builder = this.Sut(
this.require( '/MemberBuilder' )(
this.require( 'warn' ).DismissiveHandler(),
this.require( 'MemberBuilder' )(
this.MethodWrapperFactory( this.wrappers.wrapNew ),
this.MethodWrapperFactory( this.wrappers.wrapOverride ),
this.MethodWrapperFactory( this.wrappers.wrapProxy ),
this.getMock( 'MemberBuilderValidator' )
),
this.require( '/VisibilityObjectFactoryFactory' )
this.require( 'VisibilityObjectFactoryFactory' )
.fromEnvironment()
)
},

1
test/ClassBuilder/FinalTest.js
View File

@ -73,6 +73,7 @@ require( 'common' ).testCase(
{
// XXX: clean up this mess.
var builder = this.require( 'ClassBuilder' )(
this.require( 'warn' ).DismissiveHandler(),
this.require( 'MemberBuilder' )(),
this.require( 'VisibilityObjectFactoryFactory' )
.fromEnvironment()

1
test/ClassBuilder/MemberRestrictionTest.js
View File

@ -291,6 +291,7 @@ require( 'common' ).testCase(
build = this.require( 'MemberBuilder' )();
var sut = this.Sut(
this.require( 'warn' ).DismissiveHandler(),
build,
this.require( 'VisibilityObjectFactoryFactory' )
.fromEnvironment()

5
test/ClassBuilder/StaticTest.js
View File

@ -26,8 +26,6 @@ require( 'common' ).testCase(
{
this.fallback = this.require( 'util' ).definePropertyFallback();
// XXX: get rid of this disgusting mess; we're mid-refactor and all
// these dependencies should not be necessary for testing
this.ClassBuilder = this.require( 'ClassBuilder' );
this.MemberBuilder = this.require( 'MemberBuilder' );
this.MethodWrapperFactory = this.require( 'MethodWrapperFactory' );
@ -38,7 +36,10 @@ require( 'common' ).testCase(
setUp: function()
{
// XXX: get rid of this disgusting mess; we're mid-refactor and all
// these dependencies should not be necessary for testing
this.builder = this.ClassBuilder(
this.require( 'warn' ).DismissiveHandler(),
this.MemberBuilder(
this.MethodWrapperFactory( this.wrappers.wrapNew ),
this.MethodWrapperFactory( this.wrappers.wrapOverride ),

5
test/ClassBuilder/VisibilityTest.js
View File

@ -25,8 +25,6 @@ require( 'common' ).testCase(
{
caseSetUp: function()
{
// XXX: get rid of this disgusting mess; we're mid-refactor and all
// these dependencies should not be necessary for testing
this.Sut = this.require( 'ClassBuilder' );
this.MethodWrapperFactory = this.require( 'MethodWrapperFactory' );
@ -37,7 +35,10 @@ require( 'common' ).testCase(
setUp: function()
{
// XXX: get rid of this disgusting mess; we're mid-refactor and all
// these dependencies should not be necessary for testing
this.builder = this.Sut(
this.require( 'warn' ).DismissiveHandler(),
this.require( '/MemberBuilder' )(
this.MethodWrapperFactory( this.wrappers.wrapNew ),
this.MethodWrapperFactory( this.wrappers.wrapOverride ),

176
test/WarnHandlersTest.js
View File

@ -1,176 +0,0 @@
/**
* Tests core warning handlers
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
try { void console } catch ( e ) { console = undefined; }
require( 'common' ).testCase(
{
caseSetUp: function()
{
// XXX: this has global state
this.Sut = this.require( 'warn' );
},
setUp: function()
{
this.stubwarn = this.Sut.Warning( Error( 'gninraw' ) );
},
/**
* The log warning handler should log warnings to the console
*/
'`log\' warning handler logs messages to console': function()
{
var _self = this,
logged = false;
// mock console
this.Sut.setConsole( {
warn: function( message )
{
// should prefix with `Warning: '
_self.assertEqual(
( 'Warning: ' + _self.stubwarn.message ),
message
);
logged = true;
},
} );
// call handler with the warning
this.Sut.handlers.log( this.stubwarn );
this.assertOk( logged, true,
"Message should be logged to console"
);
// restore console (TODO: will not be necessary once global state is
// removed)
this.Sut.setConsole( console );
},
/**
* Some environments may not have a console reference, or they may not
* have console.warn. In this case, we just want to make sure we don't
* throw an error when attempting to invoke undefined, or access a
* property of undefined.
*/
'`log\' warning handler handles missing console': function()
{
var Sut = this.Sut;
// destroy it
Sut.setConsole( undefined );
// attempt to log
var _self = this;
this.assertDoesNotThrow( function()
{
Sut.handlers.log( _self.warnstub );
} );
// restore console
Sut.setConsole( console );
},
/**
* Furthermore, an environment may implement console.log(), but not
* console.warn(). By default, we use warn(), so let's ensure we can
* fall back to log() if warn() is unavailable.
*/
'`log\' warning handler falls back to log if warn is missing':
function()
{
var given = '';
this.Sut.setConsole( {
log: function( message )
{
given = message;
}
} );
// attempt to log
this.Sut.handlers.log( this.stubwarn );
this.assertEqual( ( 'Warning: ' + this.stubwarn.message ), given,
"Should fall back to log() and log proper message"
);
// restore console
this.Sut.setConsole( console );
},
/**
* The throwError warning handler should throw the wrapped error as an
* exception
*/
'`throwError\' warning handler throws wrapped error': function()
{
try
{
this.Sut.handlers.throwError( this.stubwarn );
}
catch ( e )
{
this.assertStrictEqual( e, this.stubwarn.getError(),
"Wrapped exception should be thrown"
);
return;
}
this.assertFail( "Wrapped exception should be thrown" );
},
/**
* The 'dismiss' error handler is a pretty basic concept: simply do
* nothing. We don't want to log, we don't want to throw anything, we
* just want to pretend nothing ever happened and move on our merry way.
* This is intended for use in production environments where such
* warnings are expected to already have been worked out and would only
* confuse/concern the user.
*/
'`dismiss\' warning handler does nothing': function()
{
var Sut = this.Sut;
// destroy the console to ensure nothing is logged
Sut.setConsole( undefined );
// no errors should occur because it should not do anything.
var _self = this;
this.assertDoesNotThrow( function()
{
Sut.handlers.dismiss( _self.warnstub );
} );
// restore console
Sut.setConsole( console );
},
} );

79
test/WarnTest.js
View File

@ -1,79 +0,0 @@
/**
* Tests warning system implementation
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
try { void console } catch ( e ) { console = undefined; }
require( 'common' ).testCase(
{
setUp: function()
{
// XXX: this uses global state; remove that requirement.
this.Sut = this.require( 'warn' );
},
/**
* The default warning handler should be the 'log' handler; this is a
* friendly compromise that will allow the developer to be warned of
* potential issues without affecting program execution.
*/
'Default warning handler is `log\'': function()
{
var called = false;
// stub it
this.Sut.setConsole( {
warn: function()
{
called = true;
},
} );
this.Sut.handle( this.Sut.Warning( Error( 'foo' ) ) );
this.assertOk( called );
// restore console (TODO: this will not be necessary once reliance
// on global state is removed)
this.Sut.setConsole( console );
},
/**
* The warning handler can be altered at runtime; ensure we can set it
* and call it appropriately. We do not need to use one of the
* pre-defined handlers.
*/
'Can set and call arbitrary warning handler': function()
{
var given,
warning = this.Sut.Warning( Error( 'foo' ) );
// set a stub warning handler
this.Sut.setHandler( function( warn )
{
given = warn;
} );
// trigger the handler
this.Sut.handle( warning );
this.assertDeepEqual( given, warning );
},
} );

57
test/warn/DismissiveHandlerTest.js 100644
View File

@ -0,0 +1,57 @@
/**
* Tests dismissive warning handler
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
require( 'common' ).testCase(
{
caseSetUp: function()
{
this.Sut = this.require( 'warn/DismissiveHandler' );
this.Warning = this.require( 'warn/Warning' );
},
'Can be instantiated without `new` keyword': function()
{
this.assertOk( this.Sut() instanceof this.Sut );
},
/**
* Simply do nothing. We don't want to log, we don't want to throw
* anything, we just want to pretend nothing ever happened and move on
* our merry way. This is intended for use in production environments
* where such warnings are expected to already have been worked out and
* would only confuse/concern the user.
*
* Now, testing whether it does anything or not is difficult, since it
* could do, well, anything; that said, we are not passing it anything
* via the ctor, so assuming that it does not rely on or manipulate
* global state, we need only ensure that no exceptions are thrown.
*/
'Does nothing': function()
{
var _self = this;
this.assertDoesNotThrow( function()
{
_self.Sut().handle( _self.Warning( Error( "Ignore me!" ) ) );
} );
},
} );

126
test/warn/LogHandlerTest.js 100644
View File

@ -0,0 +1,126 @@
/**
* Tests logging warning handler
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
require( 'common' ).testCase(
{
caseSetUp: function()
{
this.Sut = this.require( 'warn/LogHandler' );
this.Warning = this.require( 'warn/Warning' );
},
setUp: function()
{
this.stubwarn = this.Warning( Error( 'gninraw' ) );
},
'Can be instantiated without `new` keyword': function()
{
this.assertOk( this.Sut() instanceof this.Sut );
},
/**
* Warnings should be logged to the provided console. By default, the
* `warn` method is used (see below tests for fallbacks).
*/
'Logs messages to console': function()
{
var _self = this,
logged = false;
// mock console
this.Sut( {
warn: function( message )
{
// should prefix with `Warning: '
_self.assertEqual(
( 'Warning: ' + _self.stubwarn.message ),
message
);
logged = true;
},
} ).handle( this.stubwarn );
this.assertOk( logged, true,
"Message should be logged to console"
);
},
/**
* Some environments may not have a console reference, or they may not
* have console.warn. In this case, we just want to make sure we don't
* throw an error when attempting to invoke undefined, or access a
* property of undefined.
*/
'Ignores missing console': function()
{
var _self = this;
this.assertDoesNotThrow( function()
{
_self.Sut( undefined ).handle( _self.warnstub );
} );
},
/**
* Furthermore, an environment may implement `console.log`, but not
* `console.warn`. By default, we use `warn`, so let's ensure we can
* fall back to `log` if `warn` is unavailable.
*/
'Falls back to log if warn is missing': function()
{
var given = '';
this.Sut( {
log: function( message )
{
given = message;
}
} ).handle( this.stubwarn );
this.assertEqual( ( 'Warning: ' + this.stubwarn.message ), given,
"Should fall back to log() and log proper message"
);
},
/**
* If both `console.warn` and `console.log` are defined (which is very
* likely to be the case), the former should take precedence.
*/
'`warn` takes precedence over `log`': function()
{
var log = warn = false;
this.Sut( {
warn: function() { warn = true },
log: function() { log = true },
} ).handle( this.stubwarn );
this.assertOk( warn );
this.assertOk( !log );
},
} );

60
test/warn/ThrowHandlerTest.js 100644
View File

@ -0,0 +1,60 @@
/**
* Tests throwing warning handler
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
require( 'common' ).testCase(
{
caseSetUp: function()
{
this.Sut = this.require( 'warn/ThrowHandler' );
this.Warning = this.require( 'warn/Warning' );
},
'Can be instantiated without `new` keyword': function()
{
this.assertOk( this.Sut() instanceof this.Sut );
},
/**
* The wrapped error should be thrown as an exception; this effectively
* undoes the warning wrapper.
*/
'`throwError\' warning handler throws wrapped error': function()
{
var warn = this.Warning( Error( 'gninraw' ) );
try
{
this.Sut().handle( warn );
}
catch ( e )
{
this.assertStrictEqual( e, warn.getError(),
"Wrapped exception should be thrown"
);
return;
}
this.assertFail( "Wrapped exception should be thrown" );
},
} );