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https://issues.apache.org/jira/browse/GROOVY-7627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14954778#comment-14954778
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ASF GitHub Bot commented on GROOVY-7627:
----------------------------------------
Github user blackdrag commented on a diff in the pull request:
https://github.com/apache/incubator-groovy/pull/139#discussion_r41852510
--- Diff: src/test/groovy/transform/stc/GenericsSTCTest.groovy ---
@@ -1613,6 +1613,8 @@ assert result == 'ok'
class ComponentFixture<T extends Component> {}
class JButtonFixture extends ComponentFixture<JButton> {}
class ContainerFixture<T extends Container> extends
ComponentFixture<T> {}
+
+
@groovy.transform.TypeChecked(groovy.transform.TypeCheckingMode.SKIP)
--- End diff --
you mean the compilation of that class would fail without this?
> Property calls are not correctly type checked if the setter parameter type or
> getter return type are not the field type
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-7627
> URL: https://issues.apache.org/jira/browse/GROOVY-7627
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 2.4.5
> Environment: JDK 1.8.0_60
> Reporter: Shil Sinha
> Assignee: Cédric Champeau
>
> If a class defines a property but also explicitly provides a getter or
> setter, property style get/set calls are type checked using the underlying
> field type rather than the getter return type/setter parameter type.
> Setter example:
> {code}
> class Foo {
> Bar bar;
> void setBar(int x) {
> this.bar = new Bar(x: x)
> }
> }
> class Bar {
> int x
> }
> @groovy.transform.TypeChecked
> void test() {
> Foo foo = new Foo()
> foo.bar = new Bar()
> }
> test()
> {code}
> The code above will pass STC and throw a GroovyCastException at runtime.
> Conversely, code like {{foo.bar = 1}} will not pass STC. The case for
> getters with return type different from the field type is similar.
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