[jira] [Updated] (GROOVY-7767) Single-parameter method chosen zero parameters passed

["Jochen Theodorou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-7767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jochen Theodorou updated GROOVY-7767:
-------------------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: GROOVY-2503

> Single-parameter method chosen zero parameters passed
> -----------------------------------------------------
>
>                 Key: GROOVY-7767
>                 URL: https://issues.apache.org/jira/browse/GROOVY-7767
>             Project: Groovy
>          Issue Type: Sub-task
>    Affects Versions: 2.4.6
>            Reporter: Mike Martin
>
> When there is a single variant of a given method name, and that method has a single parameter, then calls to that method with zero arguments will result in a call to the method with a value of {{null}}, even though the no argument is present in the actual method call. This is surprising and leads to silent errors. Instead, I would expect groovy to throw an error saying that no matching method could be found.
> Example:
> {code}
> new A()
> class A {
>     A(){
>         m()
>     }
>     void m(String param){
>         println "param: $param"
>     }
> }
> {code}
> Running the code above yields:
> {code}
> param: null
> {code}
> But I would expect it to yield something like:
> {code}
> Caught: groovy.lang.MissingMethodException: No signature of method: A.m() is applicable for argument types: () values: []
> Possible solutions: m(java.lang.String), is(java.lang.Object), dump(), any(), any(groovy.lang.Closure), use([Ljava.lang.Object;)
> groovy.lang.MissingMethodException: No signature of method: A.m() is applicable for argument types: () values: []
> Possible solutions: m(java.lang.String), is(java.lang.Object), dump(), any(), any(groovy.lang.Closure), use([Ljava.lang.Object;)
>         at A.<init>(testClass2.groovy:8)
>         at testClass2.run(testClass2.groovy:3)
> {code}



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