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ruby--ruby/spec/ruby/core/numeric/negative_spec.rb
2020-05-03 12:28:29 +02:00

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Ruby

require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Numeric#negative?" do
describe "on positive numbers" do
it "returns false" do
1.negative?.should be_false
0.1.negative?.should be_false
end
end
describe "on zero" do
it "returns false" do
0.negative?.should be_false
0.0.negative?.should be_false
end
end
describe "on negative numbers" do
it "returns true" do
-1.negative?.should be_true
-0.1.negative?.should be_true
end
end
end
describe "Numeric#negative?" do
before(:each) do
@obj = NumericSpecs::Subclass.new
end
it "returns true if self is less than 0" do
@obj.should_receive(:<).with(0).and_return(true)
@obj.should.negative?
end
it "returns false if self is greater than 0" do
@obj.should_receive(:<).with(0).and_return(false)
@obj.should_not.negative?
end
end