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49 lines
1.4 KiB
Ruby
49 lines
1.4 KiB
Ruby
require_relative '../../spec_helper'
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require_relative 'shared/arithmetic_coerce'
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describe "Integer#+" do
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ruby_version_is "2.4"..."2.5" do
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it_behaves_like :integer_arithmetic_coerce_rescue, :+
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end
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ruby_version_is "2.5" do
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it_behaves_like :integer_arithmetic_coerce_not_rescue, :+
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end
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context "fixnum" do
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it "returns self plus the given Integer" do
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(491 + 2).should == 493
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(90210 + 10).should == 90220
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(9 + bignum_value).should == 9223372036854775817
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(1001 + 5.219).should == 1006.219
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end
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it "raises a TypeError when given a non-Integer" do
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-> {
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(obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10)
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13 + obj
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}.should raise_error(TypeError)
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-> { 13 + "10" }.should raise_error(TypeError)
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-> { 13 + :symbol }.should raise_error(TypeError)
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end
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end
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context "bignum" do
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before :each do
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@bignum = bignum_value(76)
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end
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it "returns self plus the given Integer" do
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(@bignum + 4).should == 9223372036854775888
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(@bignum + 4.2).should be_close(9223372036854775888.2, TOLERANCE)
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(@bignum + bignum_value(3)).should == 18446744073709551695
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end
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it "raises a TypeError when given a non-Integer" do
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-> { @bignum + mock('10') }.should raise_error(TypeError)
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-> { @bignum + "10" }.should raise_error(TypeError)
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-> { @bignum + :symbol}.should raise_error(TypeError)
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end
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end
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end
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