File: finite_spec.rb

package info (click to toggle)
jruby 1.7.26-1%2Bdeb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 84,572 kB
  • sloc: ruby: 669,910; java: 253,056; xml: 35,152; ansic: 9,187; yacc: 7,267; cpp: 5,244; sh: 1,036; makefile: 345; jsp: 48; tcl: 40
file content (35 lines) | stat: -rw-r--r-- 969 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
require File.expand_path('../../../spec_helper', __FILE__)
require 'bigdecimal'

describe "BigDecimal#finite?" do
  before(:each) do
    @one = BigDecimal("1")
    @zero = BigDecimal("0")
    @zero_pos = BigDecimal("+0")
    @zero_neg = BigDecimal("-0")
    @two = BigDecimal("2")
    @three = BigDecimal("3")
    @nan = BigDecimal("NaN")
    @infinity = BigDecimal("Infinity")
    @infinity_minus = BigDecimal("-Infinity")
    @one_minus = BigDecimal("-1")
    @frac_1 = BigDecimal("1E-99999")
    @frac_2 = BigDecimal("0.9E-99999")
    @big = BigDecimal("2E40001")
    @finite_vals = [@one, @zero, @zero_pos, @zero_neg, @two,
      @three, @frac_1, @frac_2, @big, @one_minus]
  end

  it "is false if Infinity or NaN" do
    @infinity.finite?.should == false
    @infinity_minus.finite?.should == false
    @nan.finite?.should == false
  end

  it "returns true for finite values" do
    @finite_vals.each do |val|
      val.finite?.should == true
    end
  end
end