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require_relative '../../spec_helper'
describe "Hash#except" do
before :each do
@hash = { a: 1, b: 2, c: 3 }
end
it "returns a new duplicate hash without arguments" do
ret = @hash.except
ret.should_not equal(@hash)
ret.should == @hash
end
it "returns a hash without the requested subset" do
@hash.except(:c, :a).should == { b: 2 }
end
it "ignores keys not present in the original hash" do
@hash.except(:a, :chunky_bacon).should == { b: 2, c: 3 }
end
it "always returns a Hash without a default" do
klass = Class.new(Hash)
h = klass.new(:default)
h[:bar] = 12
h[:foo] = 42
r = h.except(:foo)
r.should == {bar: 12}
r.class.should == Hash
r.default.should == nil
end
end
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