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ruby--ruby/spec/ruby/library/readline/history/delete_at_spec.rb
Jeremy Evans ffd0820ab3 Deprecate taint/trust and related methods, and make the methods no-ops
This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.
2019-11-18 01:00:25 +02:00

47 lines
1.5 KiB
Ruby

require_relative '../spec_helper'
with_feature :readline do
describe "Readline::HISTORY.delete_at" do
it "deletes and returns the history entry at the specified index" do
Readline::HISTORY.push("1", "2", "3")
Readline::HISTORY.delete_at(1).should == "2"
Readline::HISTORY.size.should == 2
Readline::HISTORY.delete_at(1).should == "3"
Readline::HISTORY.size.should == 1
Readline::HISTORY.delete_at(0).should == "1"
Readline::HISTORY.size.should == 0
Readline::HISTORY.push("1", "2", "3", "4")
Readline::HISTORY.delete_at(-2).should == "3"
Readline::HISTORY.size.should == 3
Readline::HISTORY.delete_at(-2).should == "2"
Readline::HISTORY.size.should == 2
Readline::HISTORY.delete_at(0).should == "1"
Readline::HISTORY.size.should == 1
Readline::HISTORY.delete_at(0).should == "4"
Readline::HISTORY.size.should == 0
end
it "raises an IndexError when the given index is greater than the history size" do
-> { Readline::HISTORY.delete_at(10) }.should raise_error(IndexError)
-> { Readline::HISTORY.delete_at(-10) }.should raise_error(IndexError)
end
ruby_version_is ''...'2.7' do
it "taints the returned strings" do
Readline::HISTORY.push("1", "2", "3")
Readline::HISTORY.delete_at(0).tainted?.should be_true
Readline::HISTORY.delete_at(0).tainted?.should be_true
Readline::HISTORY.delete_at(0).tainted?.should be_true
end
end
end
end