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20 lines
514 B
Ruby
20 lines
514 B
Ruby
require_relative '../../spec_helper'
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describe "Integer#~" do
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context "fixnum" do
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it "returns self with each bit flipped" do
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(~0).should == -1
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(~1221).should == -1222
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(~-2).should == 1
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(~-599).should == 598
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end
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end
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context "bignum" do
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it "returns self with each bit flipped" do
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(~bignum_value(48)).should == -18446744073709551665
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(~(-bignum_value(21))).should == 18446744073709551636
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(~bignum_value(1)).should == -18446744073709551618
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end
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end
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end
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