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https://issues.apache.org/jira/browse/GROOVY-10909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Milles updated GROOVY-10909:
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Issue Type: Improvement (was: Bug)
> bytecode for in, !in, !() and ?:
> --------------------------------
>
> Key: GROOVY-10909
> URL: https://issues.apache.org/jira/browse/GROOVY-10909
> Project: Groovy
> Issue Type: Improvement
> Components: bytecode, Compiler, Static compilation
> Reporter: Eric Milles
> Assignee: Eric Milles
> Priority: Minor
> Labels: bytecode
>
> Consider the following:
> {code:groovy}
> List getList() { ['xx'] }
> @groovy.transform.CompileStatic
> void test(object) {
> def others = [], strings = []
> if (object in list) { // 4 of 8 branches missed
> strings << object
> }
> if (!(object in list)) { // 4 of 10 branched missed
> others << object
> }
> println others
> println strings
> }
> test(null)
> test('xx')
> test([''])
> {code}
> When unit testing, I noticed 4 of 10 branches missed for "if (!(item in
> list)) ...". When compiled and executed dynamically, it shows 2 of 2
> branches covered (safe call to "list.isCase(item)").
> Static compilation transforms "item in list" into "list == null ? item ==
> null : list.isCase(item)". This is certainly where all the branches are
> coming from.
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