mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
39 lines
1.2 KiB
Ruby
39 lines
1.2 KiB
Ruby
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
|
|
-> { 13.0 / "10" }.should raise_error(TypeError)
|
|
-> { 13.0 / :symbol }.should raise_error(TypeError)
|
|
end
|
|
end
|