spec/ruby/core/float/shared/comparison_exception_in_coerce.rb


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require_relative '../fixtures/classes'

describe :float_comparison_exception_in_coerce, shared: true do
  ruby_version_is ""..."2.5" do
    it "rescues exception (StandardError and subclasses) raised in other#coerce and raises ArgumentError" do
      b = mock("numeric with failed #coerce")
      b.should_receive(:coerce).and_raise(FloatSpecs::CoerceError)

      # e.g. 1.0 > b
      -> {
        -> { 1.0.send(@method, b) }.should raise_error(ArgumentError, /comparison of Float with MockObject failed/)
      }.should complain(/Numerical comparison operators will no more rescue exceptions of #coerce/)
    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. 1.0 > b
        -> { 1.0.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(FloatSpecs::CoerceError)

      # e.g. 1.0 > b
      -> { 1.0.send(@method, b) }.should raise_error(FloatSpecs::CoerceError)
    end
  end
end