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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#hash" do
it "returns the same fixnum for arrays with the same content" do
[].respond_to?(:hash).should == true
[[], [1, 2, 3]].each do |ary|
ary.hash.should == ary.dup.hash
ary.hash.class.should == Fixnum
end
end
ruby_bug "#", "1.8.6.277" do
it "properly handles recursive arrays" do
empty = ArraySpecs.empty_recursive_array
empty.hash.should be_kind_of(Integer)
array = ArraySpecs.recursive_array
array.hash.should be_kind_of(Integer)
end
end
# Too much of an implementation detail? -rue
not_compliant_on :rubinius do
it "calls to_int on result of calling hash on each element" do
ary = Array.new(5) do
# Can't use should_receive here because it calls hash()
obj = mock('0')
def obj.hash()
def self.to_int() freeze; 0 end
return self
end
obj
end
ary.hash
ary.each { |obj| obj.frozen?.should == true }
hash = mock('1')
hash.should_receive(:to_int).and_return(1.hash)
obj = mock('@hash')
obj.instance_variable_set(:@hash, hash)
def obj.hash() @hash end
[obj].hash.should == [1].hash
end
end
it "ignores array class differences" do
ArraySpecs::MyArray[].hash.should == [].hash
ArraySpecs::MyArray[1, 2].hash.should == [1, 2].hash
end
it "returns same hash code for arrays with the same content" do
a = [1, 2, 3, 4]
a.fill 'a', 0..3
b = %w|a a a a|
a.hash.should == b.hash
end
it "returns the same value if arrays are #eql?" do
a = [1, 2, 3, 4]
a.fill 'a', 0..3
b = %w|a a a a|
a.hash.should == b.hash
a.should eql(b)
end
end
Version data entries
83 entries across 83 versions & 1 rubygems