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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
35 lines
968 B
Ruby
35 lines
968 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require 'bigdecimal'
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describe "BigDecimal#finite?" do
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before :each do
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@one = BigDecimal("1")
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@zero = BigDecimal("0")
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@zero_pos = BigDecimal("+0")
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@zero_neg = BigDecimal("-0")
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@two = BigDecimal("2")
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@three = BigDecimal("3")
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@nan = BigDecimal("NaN")
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@infinity = BigDecimal("Infinity")
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@infinity_minus = BigDecimal("-Infinity")
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@one_minus = BigDecimal("-1")
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@frac_1 = BigDecimal("1E-99999")
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@frac_2 = BigDecimal("0.9E-99999")
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@big = BigDecimal("2E40001")
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@finite_vals = [@one, @zero, @zero_pos, @zero_neg, @two,
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@three, @frac_1, @frac_2, @big, @one_minus]
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end
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it "is false if Infinity or NaN" do
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@infinity.finite?.should == false
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@infinity_minus.finite?.should == false
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@nan.finite?.should == false
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end
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it "returns true for finite values" do
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@finite_vals.each do |val|
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val.finite?.should == true
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end
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end
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end
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