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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "Array#shuffle" do
ruby_version_is "1.8.7" do
it "should return the same values, in a usually different order" do
a = [1,2,3,4]
different = false
10.times do
s = a.shuffle
s.sort.should == a
different ||= (a != s)
end
different.should be_true # Will fail once in a blue moon (4!^10)
end
it "returns subclass instances with Array subclass" do
ArraySpecs::MyArray[1, 2, 3].shuffle.class.should == ArraySpecs::MyArray
end
it "is not destructive" do
a = [1, 2, 3]
10.times do
a.shuffle
a.should == [1, 2, 3]
end
end
end
end
describe "Array#shuffle!" do
ruby_version_is "1.8.7" do
it "should return the same values, in a usually different order" do
a = [1,2,3,4]
original = a
different = false
10.times do
a = a.shuffle!
a.sort.should == [1,2,3,4]
different ||= (a != [1,2,3,4])
end
different.should be_true # Will fail once in a blue moon (4!^10)
a.should equal(original)
end
ruby_version_is ""..."1.9" do
it "raises a TypeError on a frozen array" do
lambda { ArraySpecs.frozen_array.reverse! }.should raise_error(TypeError)
end
end
ruby_version_is "1.9" do
it "raises a RuntimeError on a frozen array" do
lambda { ArraySpecs.frozen_array.shuffle! }.should raise_error(RuntimeError)
end
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems