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Contents
require File.join(File.dirname(__FILE__), "../../spec_helper")
include Nudge
describe IntIfInstruction do
it_should_behave_like "every Nudge Instruction"
before(:each) do
@context = Interpreter.new
@i1 = IntIfInstruction.new(@context)
end
describe "\#go" do
before(:each) do
@context = Interpreter.new
@i1 = IntIfInstruction.new(@context)
@v1 = ValuePoint.new("int", 1)
@v2 = ValuePoint.new("int", -100)
end
describe "\#preconditions?" do
it "should check that there are two items on the target stack and at least one :bool" do
@context.stacks[:int].push(@v1)
@context.stacks[:int].push(@v2)
@context.stacks[:bool].push(ValuePoint.new("bool", true))
@i1.preconditions?.should == true
end
end
describe "\#cleanup" do
it "should keep the SECOND :int if the :bool is true, otherwise the top one" do
@context.stacks[:int].push(@v1)
@context.stacks[:int].push(@v2)
@context.stacks[:bool].push(ValuePoint.new("bool", true))
@i1.go
@context.stacks[:int].depth.should == 1
@context.stacks[:int].peek.value.should == 1
@context.stacks[:int].push(@v1)
@context.stacks[:int].push(@v2)
@context.stacks[:bool].push(ValuePoint.new("bool", false))
@i1.go
@context.stacks[:int].peek.value.should == -100
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems