Sha256: dca57e22eae3f1c31cb54a93e9896e9ba967c6d4f424d39b4501c1245fcfb5f1
Contents?: true
Size: 1.14 KB
Versions: 3
Compression:
Stored size: 1.14 KB
Contents
require "spec_helper"
require "hamster/set"
describe Hamster do
describe "#flatten" do
[
[["A"], ["A"]],
[%w[A B C], %w[A B C]],
[["A", S["B"], "C"], %w[A B C]],
[[S["A"], S["B"], S["C"]], %w[A B C]],
].each do |values, expected|
describe "on #{values}" do
let(:set) { S[*values] }
it "preserves the original" do
set.flatten
set.should eql(S[*values])
end
it "returns the inlined values" do
set.flatten.should eql(S[*expected])
end
end
end
context "on an empty set" do
it "returns an empty set" do
S.empty.flatten.should equal(S.empty)
end
end
context "on a set with multiple levels of nesting" do
it "inlines lower levels of nesting" do
set = S[S[S[1]], S[S[2]]]
set.flatten.should eql(S[1, 2])
end
end
context "from a subclass" do
it "returns an instance of the subclass" do
subclass = Class.new(Hamster::Set)
subclass.new.flatten.class.should be(subclass)
subclass.new([S[1], S[2]]).flatten.class.should be(subclass)
end
end
end
end
Version data entries
3 entries across 3 versions & 2 rubygems