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34 lines
922 B
Ruby
34 lines
922 B
Ruby
require_relative '../../spec_helper'
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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.should_not.finite?
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@infinity_minus.should_not.finite?
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@nan.should_not.finite?
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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.should.finite?
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end
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end
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end
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