2018-03-04 10:09:32 -05:00
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require_relative '../../spec_helper'
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2017-05-07 08:04:49 -04:00
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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.zero?.should == true
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really_big_zero.zero?.should == true
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BigDecimal("0.000000000000000000000000").zero?.should == true
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BigDecimal("0").zero?.should == true
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BigDecimal("0E0").zero?.should == true
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BigDecimal("+0").zero?.should == true
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BigDecimal("-0").zero?.should == true
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end
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it "returns false otherwise" do
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BigDecimal("0000000001").zero?.should == false
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BigDecimal("2E40001").zero?.should == false
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BigDecimal("3E-20001").zero?.should == false
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BigDecimal("Infinity").zero?.should == false
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BigDecimal("-Infinity").zero?.should == false
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BigDecimal("NaN").zero?.should == false
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end
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end
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