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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 CodeCarInstruction do
it_should_behave_like "every Nudge Instruction"
before(:each) do
@context = Interpreter.new
@i1 = CodeCarInstruction.new(@context)
end
describe "\#go" do
before(:each) do
@context = Interpreter.new
@i1 = CodeCarInstruction.new(@context)
end
describe "\#preconditions?" do
it "should need at least one item on the :code stack" do
@context.clear_stacks
lambda{@i1.preconditions?}.should raise_error
@context.stacks[:code].push(ValuePoint.new("code", "block {ref a ref b ref c}"))
lambda{@i1.preconditions?}.should_not raise_error
end
end
describe "\#cleanup" do
it "should push a new ValuePoint containing the first item from the top :code item's backbone block" do
@context.stacks[:code].push(ValuePoint.new("code", "block {ref a ref b ref c}"))
@i1.go
@context.stacks[:code].peek.value.should == "ref a"
end
it "should leave the top item on the stack if it isn't a CodeblockPoint" do
@context.stacks[:code].push(ValuePoint.new("code", "ref z"))
@i1.go
@context.stacks[:code].peek.value.should == "ref z"
end
it "should leave the top item on the stack if it is an empty CodeblockPoint" do
@context.stacks[:code].push(ValuePoint.new("code", "block {}"))
@i1.go
@context.stacks[:code].peek.value.should == "block {}"
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems