mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
33 lines
784 B
Ruby
33 lines
784 B
Ruby
require_relative '../../spec_helper'
|
|
|
|
ruby_version_is "3.0" do
|
|
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 "returns an instance of a subclass" do
|
|
klass = Class.new(Hash)
|
|
h = klass.new
|
|
h[:bar] = 12
|
|
h[:foo] = 42
|
|
r = h.except(:foo)
|
|
r.should == {bar: 12}
|
|
r.class.should == klass
|
|
end
|
|
end
|
|
end
|