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401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
45 lines
1.4 KiB
Ruby
45 lines
1.4 KiB
Ruby
require_relative '../spec_helper'
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with_feature :readline do
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describe "Readline::HISTORY.delete_at" do
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it "deletes and returns the history entry at the specified index" do
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Readline::HISTORY.push("1", "2", "3")
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Readline::HISTORY.delete_at(1).should == "2"
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Readline::HISTORY.size.should == 2
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Readline::HISTORY.delete_at(1).should == "3"
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Readline::HISTORY.size.should == 1
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Readline::HISTORY.delete_at(0).should == "1"
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Readline::HISTORY.size.should == 0
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Readline::HISTORY.push("1", "2", "3", "4")
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Readline::HISTORY.delete_at(-2).should == "3"
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Readline::HISTORY.size.should == 3
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Readline::HISTORY.delete_at(-2).should == "2"
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Readline::HISTORY.size.should == 2
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Readline::HISTORY.delete_at(0).should == "1"
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Readline::HISTORY.size.should == 1
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Readline::HISTORY.delete_at(0).should == "4"
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Readline::HISTORY.size.should == 0
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end
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it "raises an IndexError when the given index is greater than the history size" do
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lambda { Readline::HISTORY.delete_at(10) }.should raise_error(IndexError)
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lambda { Readline::HISTORY.delete_at(-10) }.should raise_error(IndexError)
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end
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it "taints the returned strings" do
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Readline::HISTORY.push("1", "2", "3")
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Readline::HISTORY.delete_at(0).tainted?.should be_true
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Readline::HISTORY.delete_at(0).tainted?.should be_true
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Readline::HISTORY.delete_at(0).tainted?.should be_true
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end
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end
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end
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