ruby--ruby/spec/ruby/language/line_spec.rb

require_relative '../spec_helper'
require_relative '../fixtures/code_loading'
require_relative 'shared/__LINE__'

describe "The __LINE__ pseudo-variable" do
  it "raises a SyntaxError if assigned to" do
    lambda { eval("__LINE__ = 1") }.should raise_error(SyntaxError)
  end

  before :each do
    ScratchPad.record []
  end

  after :each do
    ScratchPad.clear
  end

  it "equals the line number of the text inside an eval" do
    eval <<-EOC
ScratchPad << __LINE__

# line 3

ScratchPad << __LINE__
    EOC

    ScratchPad.recorded.should == [1, 5]
  end
end

describe "The __LINE__ pseudo-variable" do
  it_behaves_like :language___LINE__, :require, CodeLoadingSpecs::Method.new
end

describe "The __LINE__ pseudo-variable" do
  it_behaves_like :language___LINE__, :require, Kernel
end

describe "The __LINE__ pseudo-variable" do
  it_behaves_like :language___LINE__, :load, CodeLoadingSpecs::Method.new
end

describe "The __LINE__ pseudo-variable" do
  it_behaves_like :language___LINE__, :load, Kernel
end