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Contents
require File.expand_path("#{File.dirname(__FILE__)}/../spec_helper")
module SyntaxNodeSpec
describe "A new terminal syntax node" do
attr_reader :node
before do
@node = Runtime::SyntaxNode.new("input", 0...3)
end
it "reports itself as terminal" do
node.should be_terminal
node.should_not be_nonterminal
end
it "has a text value based on the input and the interval" do
node.text_value.should == "inp"
end
it "has itself as its only element" do
node.elements.should be_nil
end
end
describe "A new nonterminal syntax node" do
attr_reader :node
before do
@input = 'test input'
@elements = [Runtime::SyntaxNode.new('input', 0...3)]
@node = Runtime::SyntaxNode.new('input', 0...3, @elements)
end
it "reports itself as nonterminal" do
node.should be_nonterminal
node.should_not be_terminal
end
it "has a text value based on the input and the interval" do
node.text_value.should == "inp"
end
it "has the elements with which it was instantiated" do
node.elements.should == @elements
end
it "sets itself as the parent of its elements" do
node.elements.each do |element|
element.parent.should == node
end
end
end
end
Version data entries
38 entries across 38 versions & 6 rubygems