Contents

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

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

  testing_expression "'foo' <Foo> { def a_method; end }"

  it "correctly parses matching input prefixes at various indices, returning an instance of the declared class that can respond to methods defined in the inline module" do
    parse "foo", :at_index => 0 do |result|
      result.should be_an_instance_of(Foo)
      result.should respond_to(:a_method)
      result.interval.should == (0...3)
      result.text_value.should == 'foo'
    end

    parse "xfoo", :at_index => 1 do |result|
      result.should be_an_instance_of(Foo)
      result.should respond_to(:a_method)
      result.interval.should == (1...4)
      result.text_value.should == 'foo'
    end
    
    parse "---foo", :at_index => 3 do |result|
      result.should be_an_instance_of(Foo)
      result.should respond_to(:a_method)
      result.interval.should == (3...6)
      result.text_value.should == 'foo'
    end
  end

  it "fails to parse nonmatching input at the index even if a match occurs later" do
    parse(" foo", :at_index =>  0).should be_failure
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

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