aboutsummaryrefslogtreecommitdiffstats
path: root/spec/rubyspec/library/readline/history/push_spec.rb
blob: b59b17ed036017d819375496c117562fc1f148fe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
require File.expand_path('../../spec_helper', __FILE__)

with_feature :readline do
  describe "Readline::HISTORY.push" do
    it "pushes all passed Objects into the history" do
      Readline::HISTORY.push("1", "2", "3")
      Readline::HISTORY.size.should == 3

      Readline::HISTORY.pop.should == "3"
      Readline::HISTORY.pop.should == "2"
      Readline::HISTORY.pop.should == "1"
    end

    it "tries to convert the passed Object to a String using #to_str" do
      obj = mock("Converted to String")
      obj.should_receive(:to_str).and_return("converted")

      Readline::HISTORY.push(obj)
      Readline::HISTORY.pop.should == "converted"
    end

    it "raises a TypeError when the passed Object can't be converted to a String" do
      lambda { Readline::HISTORY.push(mock("Object")) }.should raise_error(TypeError)
    end
  end
end