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b1a8c64483
* In Enumerable, Enumerator::Lazy, Array, Hash and Set [Feature #13784] [ruby-core:82285] * Share specs for the various #select#select! methods and reuse them for #filter/#filter!. * Add corresponding filter tests for select tests. * Update NEWS. [Fix GH-1824] From: Alexander Patrick <adp90@case.edu> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
42 lines
1.1 KiB
Ruby
42 lines
1.1 KiB
Ruby
require File.expand_path('../../../../spec_helper', __FILE__)
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require 'set'
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describe :set_select_bang, shared: true do
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before :each do
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@set = Set["one", "two", "three"]
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end
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it "yields every element of self" do
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ret = []
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@set.send(@method) { |x| ret << x }
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ret.sort.should == ["one", "two", "three"].sort
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end
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it "keeps every element from self for which the passed block returns true" do
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@set.send(@method) { |x| x.size != 3 }
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@set.size.should eql(1)
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@set.should_not include("one")
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@set.should_not include("two")
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@set.should include("three")
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end
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it "returns self when self was modified" do
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@set.send(@method) { false }.should equal(@set)
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end
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it "returns nil when self was not modified" do
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@set.send(@method) { true }.should be_nil
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end
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it "returns an Enumerator when passed no block" do
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enum = @set.send(@method)
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enum.should be_an_instance_of(Enumerator)
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enum.each { |x| x.size != 3 }
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@set.should_not include("one")
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@set.should_not include("two")
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@set.should include("three")
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end
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end
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