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Contents
require 'spec_helper'
require 'hamster/tuple'
require 'hamster/set'
describe Hamster::Set do
describe "#partition" do
[
[[], [], []],
[[1], [1], []],
[[1, 2], [1], [2]],
[[1, 2, 3], [1, 3], [2]],
[[1, 2, 3, 4], [1, 3], [2, 4]],
[[2, 3, 4], [3], [2, 4]],
[[3, 4], [3], [4]],
[[4], [], [4]],
].each do |values, expected_matches, expected_remainder|
describe "on #{values.inspect}" do
before do
@original = Hamster.set(*values)
end
describe "with a block" do
before do
@result = @original.partition(&:odd?)
@matches = @result.first
@remainder = @result.last
end
it "preserves the original" do
@original.should == Hamster.set(*values)
end
it "returns a tuple with two items" do
@result.is_a?(Hamster::Tuple).should == true
end
it "correctly identifies the matches" do
@matches.should == Hamster.set(*expected_matches)
end
it "correctly identifies the remainder" do
@remainder.should == Hamster.set(*expected_remainder)
end
end
describe "without a block" do
before do
@result = @original.partition
end
it "returns self" do
@result.should equal(@original)
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems