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Contents
require File.expand_path('../../../../spec_helper', __FILE__)
describe :numeric_arg, :shared => true do
before(:each) do
@numbers = [
20, # Integer
398.72, # Float
Rational(3, 4), # Rational
99999999**99, # Bignum
Float::MAX * 2, # Infinity
]
end
it "returns 0 if positive" do
@numbers.each do |number|
number.send(@method).should == 0
end
end
ruby_bug "#1715", "1.8.6.369" do
it "returns NaN if self is NaN" do
(-nan_value).send(@method).nan?.should be_true
nan_value.send(@method).nan?.should be_true
end
end
it "returns Pi if negative" do
@numbers.each do |number|
(0-number).send(@method).should == Math::PI
end
end
# This was established in r23960
it "returns Pi if -0.0" do
(-0.0).send(@method).should == Math::PI
end
it "raises an ArgumentError if given any arguments" do
@numbers.each do |number|
lambda { number.send(@method, number) }.should raise_error(ArgumentError)
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems