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Versions: 10
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Hash.[]" do
it "creates a Hash; values can be provided as the argument list" do
hash_class[:a, 1, :b, 2].should == new_hash(:a => 1, :b => 2)
hash_class[].should == new_hash
hash_class[:a, 1, :b, new_hash(:c => 2)].should ==
new_hash(:a => 1, :b => new_hash(:c => 2))
end
it "creates a Hash; values can be provided as one single hash" do
hash_class[:a => 1, :b => 2].should == new_hash(:a => 1, :b => 2)
hash_class[new_hash(1 => 2, 3 => 4)].should == new_hash(1 => 2, 3 => 4)
hash_class[new_hash].should == new_hash
end
=begin nil
ruby_version_is '1.8.7' do
# Not officially documented yet, see http://redmine.ruby-lang.org/issues/show/1385
ruby_bug "[ruby-core:21249]", "1.8.7.167" do
it "creates a Hash; values can be provided as a list of value-pairs in an array" do
hash_class[[[:a, 1], [:b, 2]]].should == new_hash(:a => 1, :b => 2)
hash_class[[[:a, 1], [:b], 42, [:d, 2], [:e, 2, 3], []]].should == new_hash(:a => 1, :b => nil, :d => 2)
obj = mock('x')
def obj.to_ary() [:b, 2] end
hash_class[[[:a, 1], obj]].should == new_hash(:a => 1, :b => 2)
end
end
end
=end
it "raises an ArgumentError when passed an odd number of arguments" do
lambda { hash_class[1, 2, 3] }.should raise_error(ArgumentError)
lambda { hash_class[1, 2, new_hash(3 => 4)] }.should raise_error(ArgumentError)
end
ruby_version_is '1.8.7' do
it "calls to_hash" do
obj = mock('x')
def obj.to_hash() new_hash(1 => 2, 3 => 4) end
hash_class[obj].should == new_hash(1 => 2, 3 => 4)
end
it "returns an instance of a subclass when passed an Array" do
MyHash[[1,2,3,4]].should be_kind_of(MyHash)
end
end
it "returns an instance of the class it's called on" do
hash_class[MyHash[1, 2]].class.should == hash_class
MyHash[hash_class[1, 2]].should be_kind_of(MyHash)
end
end
Version data entries
10 entries across 10 versions & 1 rubygems