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Diffstat (limited to 'spec/ruby/core/array/include_spec.rb')
-rw-r--r-- | spec/ruby/core/array/include_spec.rb | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/spec/ruby/core/array/include_spec.rb b/spec/ruby/core/array/include_spec.rb new file mode 100644 index 0000000000..26d788afeb --- /dev/null +++ b/spec/ruby/core/array/include_spec.rb @@ -0,0 +1,33 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +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 |