28 lines
661 B
Ruby
28 lines
661 B
Ruby
require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')
|
|
|
|
describe "HashStorage#delete" do
|
|
let (:s) { Polecat::Storage::HashStorage.new }
|
|
before do
|
|
s.add 'foo', 'bar'
|
|
s.add 'bar', 'baz'
|
|
s.add 'baz', 'foo'
|
|
end
|
|
|
|
it "decrements the element count" do
|
|
s.delete('foo')
|
|
s.count.should == 2
|
|
end
|
|
|
|
it "returns the value of the deleted key" do
|
|
s.delete('foo').should == 'bar'
|
|
end
|
|
|
|
it "returns nil when the element was not found" do
|
|
s.delete('foobar').should be(nil)
|
|
end
|
|
|
|
it "raises an error when the argument does not support #<=>" do
|
|
lambda { s.delete(:foo) }.should raise_error(ArgumentError)
|
|
end
|
|
end
|