[GROOVY-6480] Can't use empty range on array with @CompileStatic

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.9, 2.2.1
• Fix Version/s: 2.2.2
• Component/s: Static compilation, Static Type Checker
• Assignee: Cédric Champeau
• Reporter: Peter Ledbrook
• Created: 11/Dec/13 08:46
• Updated: 04/Mar/14 16:31
• Resolved: 21/Jan/14 14:53

Description

This script fails:

testMethod()

@groovy.transform.CompileStatic
def testMethod() {
    def root = new ConfigObject()
    def list = ["1", "2", "3", "4"] as String[]

    assert list[0..<0] == []
    assert list[0..<-1] == ["1", "2", "3"]
    println list
}

The error is:

Caught: org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object '0..<0' with class 'groovy.lang.EmptyRange' to class 'groovy.lang.IntRange' due to: org.codehaus.groovy.runtime.metaclass.MethodSelectionException: Could not find which method <init>() to invoke from this list:
  public groovy.lang.IntRange#<init>(int, int)
  protected groovy.lang.IntRange#<init>(int, int, boolean)
  public groovy.lang.IntRange#<init>(boolean, int, int)
org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object '0..<0' with class 'groovy.lang.EmptyRange' to class 'groovy.lang.IntRange' due to: org.codehaus.groovy.runtime.metaclass.MethodSelectionException: Could not find which method <init>() to invoke from this list:
  public groovy.lang.IntRange#<init>(int, int)
  protected groovy.lang.IntRange#<init>(int, int, boolean)
  public groovy.lang.IntRange#<init>(boolean, int, int)
	at groovyBugs.testMethod(groovyBugs.groovy:8)
	at groovyBugs.run(groovyBugs.groovy:1)