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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/core/numeric/numerator_spec.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
downloadruby-1d15d5f08032acf1b7bceacbb450d617ff6e0931.tar.gz
Move spec/rubyspec to spec/ruby for consistency
* 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
Diffstat (limited to 'spec/ruby/core/numeric/numerator_spec.rb')
-rw-r--r--spec/ruby/core/numeric/numerator_spec.rb33
1 files changed, 33 insertions, 0 deletions
diff --git a/spec/ruby/core/numeric/numerator_spec.rb b/spec/ruby/core/numeric/numerator_spec.rb
new file mode 100644
index 0000000000..4a20f8792a
--- /dev/null
+++ b/spec/ruby/core/numeric/numerator_spec.rb
@@ -0,0 +1,33 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Numeric#numerator" do
+ before :all do
+ @numbers = [
+ 0,
+ 29871,
+ 99999999999999**99,
+ -72628191273,
+ 29282.2827,
+ -2927.00091,
+ 0.0,
+ 12.0,
+ Float::MAX,
+ ]
+ end
+
+ # This isn't entirely true, as NaN.numerator works, whereas
+ # Rational(NaN) raises an exception, but we test this in Float#numerator
+ it "converts self to a Rational object then returns its numerator" do
+ @numbers.each do |number|
+ number.numerator.should == Rational(number).numerator
+ end
+ end
+
+ it "works with Numeric subclasses" do
+ rational = mock_numeric('rational')
+ rational.should_receive(:numerator).and_return(:numerator)
+ numeric = mock_numeric('numeric')
+ numeric.should_receive(:to_r).and_return(rational)
+ numeric.numerator.should == :numerator
+ end
+end