Sha256: 061ffce1e69416e11206dc76e538d6b68c6b813e2e8793d41a8f330803102b86
Contents?: true
Size: 1.59 KB
Versions: 14
Compression:
Stored size: 1.59 KB
Contents
#encoding: utf-8
require File.join(File.dirname(__FILE__), "../../spec_helper")
include Nudge
describe "IntLessThanQInstruction" do
it_should_behave_like "every Nudge Instruction"
before(:each) do
@context = Interpreter.new
@i1 = IntLessThanQInstruction.new(@context)
@int1 = ValuePoint.new("int", 1)
@int2 = ValuePoint.new("int", 2)
end
it "should check that there are enough parameters" do
6.times {@context.stacks[:int].push(@int1)}
@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 successfully run #go only if all preconditions are met" do
5.times {@context.stacks[:int].push(@int1)}
@i1.should_receive(:cleanup)
@i1.go
end
it "should pop all the arguments" do
@context.clear_stacks
5.times {@context.stacks[:int].push(@int1)}
@i1.stub!(:cleanup) # and do nothing
@i1.go
@context.stacks[:int].depth.should == 3
end
it "should push the result" do
@context.clear_stacks
@context.stacks[:int].push(@int1)
@context.stacks[:int].push(@int1)
@i1.go
@context.stacks[:bool].peek.value.should == false
@context.stacks[:int].push(@int1)
@context.stacks[:int].push(@int2)
@i1.go
@context.stacks[:bool].peek.value.should == true
@context.stacks[:int].push(@int2)
@context.stacks[:int].push(@int1)
@i1.go
@context.stacks[:bool].peek.value.should == false
end
end
Version data entries
14 entries across 14 versions & 1 rubygems