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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "Hash#keys" do
ruby_version_is ""..."1.9" do
it "returns an array populated with keys" do
new_hash.keys.should == []
new_hash.keys.class.should == Array
new_hash(5).keys.should == []
new_hash { 5 }.keys.should == []
new_hash(1 => 2, 2 => 4, 4 => 8).keys.sort.should == [1, 2, 4]
new_hash(1 => 2, 2 => 4, 4 => 8).keys.should be_kind_of(Array)
new_hash(nil => nil).keys.should == [nil]
end
end
ruby_version_is "1.9" do
it "returns an array with the keys in the order they were inserted" do
new_hash.keys.should == []
new_hash.keys.class.should == Array
new_hash(5).keys.should == []
new_hash { 5 }.keys.should == []
new_hash(1 => 2, 4 => 8, 2 => 4).keys.should == [1, 4, 2]
new_hash(1 => 2, 2 => 4, 4 => 8).keys.should be_kind_of(Array)
new_hash(nil => nil).keys.should == [nil]
end
end
it "it uses the same order as #values" do
h = new_hash(1 => "1", 2 => "2", 3 => "3", 4 => "4")
h.size.times do |i|
h[h.keys[i]].should == h.values[i]
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems