Sha256: 2ac34d0f1081303930a68e5a0277ae30149d20794c7742f525ea82276522421a
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Versions: 14
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Contents
#encoding: utf-8
require File.join(File.dirname(__FILE__), "../../spec_helper")
include Nudge
describe "NameEqualQInstruction" do
it_should_behave_like "every Nudge Instruction"
before(:each) do
@context = Interpreter.new
@i1 = NameEqualQInstruction.new(@context)
@thing1 = ReferencePoint.new("x")
@thing2 = ReferencePoint.new("x")
@thing3 = ReferencePoint.new("not_x")
@thing1.go(@context)
@thing2.go(@context)
@thing3.go(@context)
@thing1.go(@context)
end
it "should check that there are enough parameters" do
@i1.preconditions?.should == true
end
it "should raise an error if the preconditions aren't met" do
@context.clear_stacks # there are no params at all
lambda{@i1.preconditions?}.should raise_error(Instruction::NotEnoughStackItems)
end
it "should push the correct result to the :bool stack" do
@i1.go
@context.stacks[:bool].peek.value.should == false
@i1.go
@context.stacks[:bool].peek.value.should == true
end
end
Version data entries
14 entries across 14 versions & 1 rubygems