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require_relative '../../fixtures/rational'
describe :rational_arithmetic_exception_in_coerce, shared: true do
ruby_version_is ""..."2.5" do
it "rescues exception (StandardError and subclasses) raised in other#coerce and raises TypeError" do
b = mock("numeric with failed #coerce")
b.should_receive(:coerce).and_raise(RationalSpecs::CoerceError)
# e.g. Rational(3, 4) + b
-> { Rational(3, 4).send(@method, b) }.should raise_error(TypeError, /MockObject can't be coerced into Rational/)
end
it "does not rescue Exception and StandardError siblings raised in other#coerce" do
[Exception, NoMemoryError].each do |exception|
b = mock("numeric with failed #coerce")
b.should_receive(:coerce).and_raise(exception)
# e.g. Rational(3, 4) + b
-> { Rational(3, 4).send(@method, b) }.should raise_error(exception)
end
end
end
ruby_version_is "2.5" do
it "does not rescue exception raised in other#coerce" do
b = mock("numeric with failed #coerce")
b.should_receive(:coerce).and_raise(RationalSpecs::CoerceError)
# e.g. Rational(3, 4) + b
-> { Rational(3, 4).send(@method, b) }.should raise_error(RationalSpecs::CoerceError)
end
end
end
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