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27 lines
766 B
Ruby
27 lines
766 B
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../shared/mult', __FILE__)
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require 'bigdecimal'
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describe "BigDecimal#*" do
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it_behaves_like :bigdecimal_mult, :*, []
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end
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describe "BigDecimal#*" do
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before :each do
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@e3_minus = BigDecimal("3E-20001")
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@e3_plus = BigDecimal("3E20001")
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@e = BigDecimal("1.00000000000000000000123456789")
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@one = BigDecimal("1")
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end
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it "multiply self with other" do
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(@one * @one).should == @one
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(@e3_minus * @e3_plus).should == BigDecimal("9")
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# Can't do this till we implement **
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# (@e3_minus * @e3_minus).should == @e3_minus ** 2
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# So let's rewrite it as:
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(@e3_minus * @e3_minus).should == BigDecimal("9E-40002")
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(@e * @one).should == @e
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end
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end
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