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require_relative '../../spec_helper'
require_relative 'fixtures/coerce'
require_relative 'shared/arithmetic_exception_in_coerce'
describe "Float#/" do
it_behaves_like :float_arithmetic_exception_in_coerce, :/
it "returns self divided by other" do
(5.75 / -2).should be_close(-2.875,TOLERANCE)
(451.0 / 9.3).should be_close(48.494623655914,TOLERANCE)
(91.1 / -0xffffffff).should be_close(-2.12108716418061e-08, TOLERANCE)
end
it "properly coerces objects" do
(5.0 / FloatSpecs::CanCoerce.new(5)).should be_close(0, TOLERANCE)
end
it "returns +Infinity when dividing non-zero by zero of the same sign" do
(1.0 / 0.0).should be_positive_infinity
(-1.0 / -0.0).should be_positive_infinity
end
it "returns -Infinity when dividing non-zero by zero of opposite sign" do
(-1.0 / 0.0).should be_negative_infinity
(1.0 / -0.0).should be_negative_infinity
end
it "returns NaN when dividing zero by zero" do
(0.0 / 0.0).should be_nan
(-0.0 / 0.0).should be_nan
(0.0 / -0.0).should be_nan
(-0.0 / -0.0).should be_nan
end
it "raises a TypeError when given a non-Numeric" do
lambda { 13.0 / "10" }.should raise_error(TypeError)
lambda { 13.0 / :symbol }.should raise_error(TypeError)
end
end
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