mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
1d15d5f080
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
98 lines
3 KiB
Ruby
98 lines
3 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
|
|
require 'bigdecimal'
|
|
|
|
describe "BigDecimal#>" do
|
|
before :each do
|
|
@zero = BigDecimal("0")
|
|
@zero_pos = BigDecimal("+0")
|
|
@zero_neg = BigDecimal("-0")
|
|
@mixed = BigDecimal("1.23456789")
|
|
@pos_int = BigDecimal("2E5555")
|
|
@neg_int = BigDecimal("-2E5555")
|
|
@pos_frac = BigDecimal("2E-9999")
|
|
@neg_frac = BigDecimal("-2E-9999")
|
|
|
|
@int_mock = mock('123')
|
|
class << @int_mock
|
|
def coerce(other)
|
|
return [other, BigDecimal('123')]
|
|
end
|
|
def > (other)
|
|
BigDecimal('123') > other
|
|
end
|
|
end
|
|
|
|
@values = [@mixed, @pos_int, @neg_int, @pos_frac, @neg_frac,
|
|
-2**32, -2**31, -2**30, -2**16, -2**8, -100, -10, -1,
|
|
@zero , 1, 2, 10, 10.5, 2**8, 2**16, 2**32, @int_mock, @zero_pos, @zero_neg]
|
|
|
|
@infinity = BigDecimal("Infinity")
|
|
@infinity_neg = BigDecimal("-Infinity")
|
|
|
|
@float_infinity = Float::INFINITY
|
|
@float_infinity_neg = -Float::INFINITY
|
|
|
|
@nan = BigDecimal("NaN")
|
|
end
|
|
|
|
it "returns true if a > b" do
|
|
one = BigDecimal("1")
|
|
two = BigDecimal("2")
|
|
|
|
frac_1 = BigDecimal("1E-99999")
|
|
frac_2 = BigDecimal("0.9E-99999")
|
|
(@zero > one).should == false
|
|
(two > @zero).should == true
|
|
(frac_2 > frac_1).should == false
|
|
|
|
(@neg_int > @pos_int).should == false
|
|
(@pos_int > @neg_int).should == true
|
|
(@neg_int > @pos_frac).should == false
|
|
(@pos_frac > @neg_int).should == true
|
|
(@zero > @zero_pos).should == false
|
|
(@zero > @zero_neg).should == false
|
|
(@zero_neg > @zero_pos).should == false
|
|
(@zero_pos > @zero_neg).should == false
|
|
end
|
|
|
|
it "properly handles infinity values" do
|
|
@values.each { |val|
|
|
(val > @infinity).should == false
|
|
(@infinity > val).should == true
|
|
(val > @infinity_neg).should == true
|
|
(@infinity_neg > val).should == false
|
|
}
|
|
(@infinity > @infinity).should == false
|
|
(@infinity_neg > @infinity_neg).should == false
|
|
(@infinity > @infinity_neg).should == true
|
|
(@infinity_neg > @infinity).should == false
|
|
end
|
|
|
|
ruby_bug "#13674", ""..."2.4" do
|
|
it "properly handles Float infinity values" do
|
|
@values.each { |val|
|
|
(val > @float_infinity).should == false
|
|
(@float_infinity > val).should == true
|
|
(val > @float_infinity_neg).should == true
|
|
(@float_infinity_neg > val).should == false
|
|
}
|
|
end
|
|
end
|
|
|
|
it "properly handles NaN values" do
|
|
@values += [@infinity, @infinity_neg, @nan]
|
|
@values.each { |val|
|
|
(@nan > val).should == false
|
|
(val > @nan).should == false
|
|
}
|
|
end
|
|
|
|
it "raises an ArgumentError if the argument can't be coerced into a BigDecimal" do
|
|
lambda {@zero > nil }.should raise_error(ArgumentError)
|
|
lambda {@infinity > nil }.should raise_error(ArgumentError)
|
|
lambda {@infinity_neg > nil }.should raise_error(ArgumentError)
|
|
lambda {@mixed > nil }.should raise_error(ArgumentError)
|
|
lambda {@pos_int > nil }.should raise_error(ArgumentError)
|
|
lambda {@neg_frac > nil }.should raise_error(ArgumentError)
|
|
end
|
|
end
|