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Versions: 52
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
ruby_version_is "1.8.7" do
describe "Enumerable#none?" do
it "returns true if none of the elements in self are true" do
e = EnumerableSpecs::Numerous.new(false, nil, false)
e.none?.should be_true
end
it "returns false if at least one of the elements in self are true" do
e = EnumerableSpecs::Numerous.new(false, nil, true, false)
e.none?.should be_false
end
end
describe "Enumerable#none? with a block" do
before(:each) do
@e = EnumerableSpecs::Numerous.new(1,1,2,3,4)
end
it "passes each element to the block in turn until it returns true" do
acc = []
@e.none? {|e| acc << e; false }
acc.should == [1,1,2,3,4]
end
it "stops passing elements to the block when it returns true" do
acc = []
@e.none? {|e| acc << e; e == 3 ? true : false }
acc.should == [1,1,2,3]
end
it "returns true if the block never returns true" do
@e.none? {|e| false }.should be_true
end
it "returns false if the block ever returns true" do
@e.none? {|e| e == 3 ? true : false }.should be_false
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems