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ruby--ruby/spec/ruby/optional/capi/float_spec.rb
2020-03-28 00:22:51 +01:00

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Ruby

require_relative 'spec_helper'
load_extension("float")
describe "CApiFloatSpecs" do
before :each do
@f = CApiFloatSpecs.new
end
describe "rb_float_new" do
it "creates a new float" do
((@f.new_zero - 0).abs < 0.000001).should == true
((@f.new_point_five - 0.555).abs < 0.000001).should == true
end
end
describe "RFLOAT_VALUE" do
it "returns the C double value of the Float" do
@f.RFLOAT_VALUE(2.3).should == 2.3
end
end
describe "rb_Float" do
it "creates a new Float from a String" do
f = @f.rb_Float("101.99")
f.should be_kind_of(Float)
f.should eql(101.99)
end
end
describe "RB_FLOAT_TYPE_P" do
it "returns true for floats" do
@f.RB_FLOAT_TYPE_P(2.0).should == true
end
it "returns false for non-floats" do
@f.RB_FLOAT_TYPE_P(nil).should == false
@f.RB_FLOAT_TYPE_P(10).should == false
@f.RB_FLOAT_TYPE_P("string").should == false
@f.RB_FLOAT_TYPE_P(Object.new).should == false
end
end
end