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Contents
require File.dirname(__FILE__)+"/spec_helper.rb"
describe Rserve::REXP::Double do
describe "initialization" do
it "should accept array as payload" do
payload=[1,2,3]
a=Rserve::REXP::Double.new(payload)
a.payload.should==payload.map(&:to_f)
end
it "should accept float as payload" do
payload=1.1
a=Rserve::REXP::Double.new(payload)
a.payload.should==[1.1]
end
end
describe "NA management" do
before do
@payload=[3,5,Rserve::REXP::Double::NA, 10,20]
@a=Rserve::REXP::Double.new(@payload)
end
it "method na? should return coherent answer" do
@a.na?(@a.as_integers[0]).should be_false
@a.na?(@a.as_integers[2]).should be_true
@a.na?.should==[false,false,true,false,false]
end
it "to_a should return correct values with NA" do
@a.to_a.should==[3,5, nil, 10, 20]
end
it "to_ruby should return correct values with NA" do
@a.to_ruby.should==[3,5, nil, 10, 20]
end
end
describe "common methods" do
before do
@n=rand(10)+10
@payload=@n.times.map {rand(10).to_f}
@a=Rserve::REXP::Double.new(@payload)
end
subject {@a}
it "should return correct length of payload" do
@a.length.should==@n
end
it {should be_numeric}
it {should be_integer}
it "method as_integer should return payload as integers" do
@a.as_integers.should==@payload.map(&:to_i)
end
it "method as_doubles should return floats" do
@a.as_doubles.should==@payload
end
it "method as_strings should return strings" do
@a.as_strings.should==@payload.map(&:to_s)
end
it "method to_debug_string and to_s returns a coherent response" do
@a.to_debug_string.size.should>0
@a.to_s.size.should>0
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems