require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Array#include?" do
it "returns true if object is present, false otherwise" do
[1, 2, "a", "b"].include?("c").should == false
[1, 2, "a", "b"].include?("a").should == true
end
it "determines presence by using element == obj" do
o = mock('')
[1, 2, "a", "b"].include?(o).should == false
def o.==(other); other == 'a'; end
[1, 2, o, "b"].include?('a').should == true
[1, 2.0, 3].include?(2).should == true
end
it "calls == on elements from left to right until success" do
key = "x"
one = mock('one')
two = mock('two')
three = mock('three')
one.should_receive(:==).any_number_of_times.and_return(false)
two.should_receive(:==).any_number_of_times.and_return(true)
three.should_not_receive(:==)
ary = [one, two, three]
ary.include?(key).should == true
end
end
y_1_8_6'>ruby_1_8_6