Setting super method on override wrapper
parent
81ce3397ab
commit
8ab183f4c8
|
@ -26,7 +26,7 @@
|
||||||
exports.standard = {
|
exports.standard = {
|
||||||
wrapOverride: function( method, super_method, cid, getInst )
|
wrapOverride: function( method, super_method, cid, getInst )
|
||||||
{
|
{
|
||||||
return function()
|
var retf = function()
|
||||||
{
|
{
|
||||||
var context = getInst( this, cid ) || this,
|
var context = getInst( this, cid ) || this,
|
||||||
retval = undefined
|
retval = undefined
|
||||||
|
@ -55,6 +55,9 @@ exports.standard = {
|
||||||
|
|
||||||
return retval;
|
return retval;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
retf.super = super_method;
|
||||||
|
return retf;
|
||||||
},
|
},
|
||||||
|
|
||||||
|
|
||||||
|
|
|
@ -201,6 +201,39 @@ require( 'common' ).testCase(
|
||||||
},
|
},
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* While __super is convenient and concise, it is not general-purpose
|
||||||
|
* and does not solve the problem of invoking any arbitrary method on
|
||||||
|
* the supertype. In particular, we may override some method foo, but
|
||||||
|
* wish to call the parent foo in another method; we cannot do that with
|
||||||
|
* __super.
|
||||||
|
*
|
||||||
|
* Note, however, that this will require foo.super.call( this ) to
|
||||||
|
* provide the proper context.
|
||||||
|
*/
|
||||||
|
'Can invoke super method by calling override.super': function()
|
||||||
|
{
|
||||||
|
var expected = {},
|
||||||
|
getInst = function() { return {}; },
|
||||||
|
|
||||||
|
// super method to be overridden
|
||||||
|
method = this._sut.standard.wrapNew(
|
||||||
|
function() { return expected; },
|
||||||
|
null, 0, getInst
|
||||||
|
),
|
||||||
|
|
||||||
|
// the overriding method (we don't care what this does)
|
||||||
|
override = this._sut.standard.wrapOverride(
|
||||||
|
function() {}, method, 0, getInst
|
||||||
|
)
|
||||||
|
;
|
||||||
|
|
||||||
|
// we should be able to invoke the super method by override.super,
|
||||||
|
// which is added atop of the wrapper
|
||||||
|
this.assertStrictEqual( override.super(), expected );
|
||||||
|
},
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The proxy wrapper should forward all arguments to the provided object's
|
* The proxy wrapper should forward all arguments to the provided object's
|
||||||
* appropriate method. The return value should also be proxied back to the
|
* appropriate method. The return value should also be proxied back to the
|
||||||
|
|
Loading…
Reference in New Issue