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require File.dirname(__FILE__) + "/../spec_helper"

java_import 'java_integration.fixtures.SingleMethodInterface'

java_import 'java_integration.fixtures.BeanLikeInterface'

describe 'interface comparison' do

it 'compares against interface like with an included module' do

value_holder1 = Class.new do

include SingleMethodInterface

def initialize(val)

@value = val

end

def callIt

@value

end

end

expect( value_holder1 < SingleMethodInterface ).to be true

expect( value_holder1 === SingleMethodInterface ).to be false

expect( SingleMethodInterface === value_holder1 ).to be false

val = value_holder1.new(111)

expect( val.class < SingleMethodInterface ).to be true

expect( SingleMethodInterface === val.class ).to be false

expect( SingleMethodInterface === val ).to be true

expect( val === SingleMethodInterface ).to be false

end

it 'compares with interface like with an included module' do

mod = Module.new { include Enumerable }

val = Class.new { include mod }.new

expect( val.class < Enumerable ).to be true

expect( Enumerable === val.class ).to be false

expect( val.class === Enumerable ).to be false

expect( Enumerable === val ).to be true

expect( val === Enumerable ).to be false

expect( val === val.class.new ).to be false

expect( val === mod ).to be false

mod = Module.new do

include BeanLikeInterface

end

sup = Class.new do

include mod, java.lang.Runnable, java.lang.Iterable # includes Enumerable

def each; yield nil end

end

child = Class.new(sup) { include java.lang.Cloneable; def getValue; 1; end }

obj = child.new

expect( child < BeanLikeInterface ).to be true

expect( obj.class < java.lang.Runnable ).to be true

expect( java.lang.Cloneable === obj ).to be true

expect( java.lang.Iterable === obj ).to be true

expect( BeanLikeInterface === obj ).to be true

expect( Enumerable === obj ).to be true

expect( obj === BeanLikeInterface ).to be false

expect( obj === obj ).to be true

expect( obj === sup.new ).to be false

expect( obj === java.lang.Runnable.impl {} ).to be false # was true in < 9.1 !

expect( obj === java.util.HashSet.new ).to be false # was true in < 9.1 !

end

end