87 lines
2.2 KiB
JavaScript
87 lines
2.2 KiB
JavaScript
/**
|
|
* Tests const keyword
|
|
*
|
|
* Copyright (C) 2010 Mike Gerwitz
|
|
*
|
|
* This file is part of ease.js.
|
|
*
|
|
* ease.js is free software: you can redistribute it and/or modify it under the
|
|
* terms of the GNU Lesser 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 Lesser General Public License
|
|
* for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* @author Mike Gerwitz
|
|
* @package test
|
|
*/
|
|
|
|
var common = require( './common' ),
|
|
assert = require( 'assert' ),
|
|
builder = common.require( 'class_builder' )
|
|
;
|
|
|
|
|
|
/**
|
|
* The `const' keyword does not make sense with methods, as they are always
|
|
* immutable. Methods of a class cannot be redefined after the class definition.
|
|
* They may only be overridden by subtypes.
|
|
*/
|
|
( function testConstKeywordCannotBeUsedWithMethods()
|
|
{
|
|
try
|
|
{
|
|
// attempt to create a constant method (should fail)
|
|
builder.build(
|
|
{
|
|
'const foo': function() {},
|
|
} );
|
|
}
|
|
catch ( e )
|
|
{
|
|
assert.ok(
|
|
e.message.search( 'foo' ) !== -1,
|
|
"Const method error message should contain name of method"
|
|
);
|
|
|
|
return;
|
|
}
|
|
|
|
assert.fail( "Should not be able to declare constant methods" );
|
|
} )();
|
|
|
|
|
|
/**
|
|
* The const keyword implies static. Using static along with it is redundant and
|
|
* messy. Disallow it.
|
|
*/
|
|
( function testConstKeywordCannotBeUsedWithStatic()
|
|
{
|
|
try
|
|
{
|
|
// should fail
|
|
builder.build(
|
|
{
|
|
'static const foo': 'val',
|
|
} );
|
|
}
|
|
catch ( e )
|
|
{
|
|
assert.ok(
|
|
e.message.search( 'foo' ) !== -1,
|
|
"Static const method error message should contain name of property"
|
|
);
|
|
|
|
return;
|
|
}
|
|
|
|
assert.fail( "Should not be able to use static keyword with const" );
|
|
} )();
|
|
|