Contents

require File.join(File.dirname(__FILE__), '..', 'test_helper')

class CharacterClassTest < CompilerTestCase
  class Foo < Treetop::Runtime::SyntaxNode
  end

  testing_expression "[A-Z] <Foo> { def a_method; end }"

  it "matches single characters within that range, returning instances of the declared node class that respond to the method defined in the inline module" do
    result = parse('A')
    result.should be_an_instance_of(Foo)
    result.should respond_to(:a_method)
    result = parse('N')
    result.should be_an_instance_of(Foo)
    result.should respond_to(:a_method)
    result = parse('Z')
    result.should be_an_instance_of(Foo)
    result.should respond_to(:a_method)
  end
  
  it "does not match single characters outside of that range" do
    parse('8').should be_failure
    parse('a').should be_failure
  end
  
  it "matches a single character within that range at index 1" do
    parse(' A', :at_index => 1).should be_success
  end
  
  it "fails to match a single character out of that range at index 1" do
    parse(' 1', :at_index => 1).should be_failure
  end
end

describe "A character class containing quotes", :extend => CompilerTestCase do
  testing_expression "[\"']"
  
  it "matches a quote" do
    parse("'").should be_success
  end
  
  it "matches a double-quote" do
    parse('"').should be_success
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
treetop-1.0.0	test/compiler/character_class_test.rb
treetop-1.1.0	test/compiler/character_class_test.rb
treetop-1.1.1	test/compiler/character_class_test.rb
treetop-1.0.1	test/compiler/character_class_test.rb
treetop-1.0.2	test/compiler/character_class_test.rb
treetop-1.1.2	test/compiler/character_class_test.rb