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27 lines
815 B
Ruby
27 lines
815 B
Ruby
require_relative '../../spec_helper'
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require 'bigdecimal'
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describe "BigDecimal#zero?" do
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it "returns true if self does equal zero" do
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really_small_zero = BigDecimal("0E-200000000")
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really_big_zero = BigDecimal("0E200000000000")
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really_small_zero.should.zero?
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really_big_zero.should.zero?
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BigDecimal("0.000000000000000000000000").should.zero?
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BigDecimal("0").should.zero?
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BigDecimal("0E0").should.zero?
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BigDecimal("+0").should.zero?
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BigDecimal("-0").should.zero?
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end
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it "returns false otherwise" do
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BigDecimal("0000000001").should_not.zero?
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BigDecimal("2E40001").should_not.zero?
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BigDecimal("3E-20001").should_not.zero?
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BigDecimal("Infinity").should_not.zero?
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BigDecimal("-Infinity").should_not.zero?
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BigDecimal("NaN").should_not.zero?
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end
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end
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