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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
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