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require 'spec_helper'
describe Parslet do
include Parslet
describe Parslet::ParseFailed do
it "should be caught by an empty rescue" do
begin
raise Parslet::ParseFailed
rescue
# Success! Ignore this.
end
end
end
describe "<- .rule" do
# Rules define methods. This can be easily tested by defining them right
# here.
context "empty rule" do
rule(:empty) { }
it "should raise a NotImplementedError" do
lambda {
empty.parslet
}.should raise_error(NotImplementedError)
end
end
context "containing 'any'" do
rule(:any_rule) { any }
subject { any_rule }
it { should be_a Parslet::Atoms::Entity }
it "should memoize the returned instance" do
any_rule.object_id.should == any_rule.object_id
end
end
end
end
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