File: yield_spec.rb

package info (click to toggle)
ruby3.4 3.4.5-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 154,784 kB
  • sloc: ruby: 1,259,653; ansic: 829,955; yacc: 28,233; pascal: 7,359; sh: 3,864; python: 1,799; cpp: 1,158; asm: 808; makefile: 801; javascript: 414; lisp: 109; perl: 62; awk: 36; sed: 4; xml: 4
file content (33 lines) | stat: -rw-r--r-- 764 bytes parent folder | download | duplicates (6)
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
27
28
29
30
31
32
33
require_relative '../../../spec_helper'

describe "Enumerator::Yielder#yield" do
  it "yields the value to the block" do
    ary = []
    y = Enumerator::Yielder.new {|x| ary << x}
    y.yield 1

    ary.should == [1]
  end

  it "yields with passed arguments" do
    yields = []
    y = Enumerator::Yielder.new {|*args| yields << args }
    y.yield 1, 2
    yields.should == [[1, 2]]
  end

  it "returns the result of the block for the given value" do
    y = Enumerator::Yielder.new {|x| x + 1}
    y.yield(1).should == 2
  end

  context "when multiple arguments passed" do
    it "yields the arguments list to the block" do
      ary = []
      y = Enumerator::Yielder.new { |*x| ary << x }
      y.yield(1, 2)

      ary.should == [[1, 2]]
    end
  end
end