Jason Garrett created GROOVY-11030:
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Summary: CompileStatic: string concatenation in method parameter
default value results in NoSuchMethodError
Key: GROOVY-11030
URL: https://issues.apache.org/jira/browse/GROOVY-11030
Project: Groovy
Issue Type: Bug
Components: Compiler, Static compilation
Affects Versions: 4.0.11, 4.0.9
Reporter: Jason Garrett
If a method parameter's default value is defined by concatenating a String
literal to a String variable, calling the method throws
java.lang.NoSuchMethodError.
{code:java}
import groovy.transform.CompileStatic
import spock.lang.Specification
@CompileStatic // works without CompileStatic
class MyClass {
String makePlural(String word, String plural = word + "s") { //
java.lang.NoSuchMethodError: 'java.lang.String
java.lang.String.plus(java.lang.CharSequence)'
return plural
}
}
class Test extends Specification {
def test() {
setup:
MyClass myObj = new MyClass()
expect:
myObj.makePlural("word") == "words"
}
} {code}
[Live
demo.|https://gwc-experiment.appspot.com/?g=groovy_4_0&codez=eJxdUMFugzAMvecrLC4FbaL3SkiTqh3bTWI_kAUDKZAwJ5Siqv--kIZ2zBcn79nP9pNdr8lCRVqfp9QSV6bU1KV73fWyxdxyKwWT9yrTa9GkLVdVmvcoZCmFo7Vi7G1VD7DdwqipMTBKW-vBwlpPtNwYOEx7n68MXOSWpKqg4w1-tgPxNg6IEypeF7r3FGQehReITJTA1Q888TO_L3fU-SDqA7rRxTuRph1snmxQ-g-kTtrET3Rfc8rxZ0AlMNn4FecgtAOpsIdHb-zGwkVfaCzgxaIqDKwsCkcWWIJ1RXESgDmMk-x3j-8cizXd9PF9ctcqHBcsTh6VeHEj7LrTd6R_XIxmp5xJWQb-aaJl6zn9AvUzpMc]
A workaround is to do the concatenation in a GString:
{code:java}
String makePlural(String word, String plural = "${word}s") { {code}
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