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author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
commit | a3736e97a6ca517c2cd7d3d93a8f2ef86e39e5b5 (patch) | |
tree | 9eef7f720314ebaff56845a74e203770e62284e4 /spec/rubyspec/shared/complex/numeric | |
parent | 52df1d0d3370919711c0577aaa42d1a864709885 (diff) | |
download | ruby-a3736e97a6ca517c2cd7d3d93a8f2ef86e39e5b5.tar.gz |
Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
These files can therefore be updated like any other file in MRI.
Instructions are provided in spec/README.
[Feature #13156] [ruby-core:79246]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/rubyspec/shared/complex/numeric')
-rw-r--r-- | spec/rubyspec/shared/complex/numeric/arg.rb | 38 | ||||
-rw-r--r-- | spec/rubyspec/shared/complex/numeric/conj.rb | 20 | ||||
-rw-r--r-- | spec/rubyspec/shared/complex/numeric/imag.rb | 26 | ||||
-rw-r--r-- | spec/rubyspec/shared/complex/numeric/polar.rb | 50 | ||||
-rw-r--r-- | spec/rubyspec/shared/complex/numeric/real.rb | 30 |
5 files changed, 164 insertions, 0 deletions
diff --git a/spec/rubyspec/shared/complex/numeric/arg.rb b/spec/rubyspec/shared/complex/numeric/arg.rb new file mode 100644 index 0000000000..b7eb1f2e2d --- /dev/null +++ b/spec/rubyspec/shared/complex/numeric/arg.rb @@ -0,0 +1,38 @@ +require File.expand_path('../../../../spec_helper', __FILE__) + +describe :numeric_arg, shared: true do + before :each do + @numbers = [ + 20, + Rational(3, 4), + bignum_value, + infinity_value + ] + end + + it "returns 0 if positive" do + @numbers.each do |number| + number.send(@method).should == 0 + end + end + + it "returns Pi if negative" do + @numbers.each do |number| + (0-number).send(@method).should == Math::PI + end + end + + describe "with a Numeric subclass" do + it "returns 0 if self#<(0) returns false" do + numeric = mock_numeric('positive') + numeric.should_receive(:<).with(0).and_return(false) + numeric.send(@method).should == 0 + end + + it "returns Pi if self#<(0) returns true" do + numeric = mock_numeric('positive') + numeric.should_receive(:<).with(0).and_return(true) + numeric.send(@method).should == Math::PI + end + end +end diff --git a/spec/rubyspec/shared/complex/numeric/conj.rb b/spec/rubyspec/shared/complex/numeric/conj.rb new file mode 100644 index 0000000000..50cb060442 --- /dev/null +++ b/spec/rubyspec/shared/complex/numeric/conj.rb @@ -0,0 +1,20 @@ +require File.expand_path('../../../../spec_helper', __FILE__) + +describe :numeric_conj, shared: true do + before :each do + @numbers = [ + 20, # Integer + 398.72, # Float + Rational(3, 4), # Rational + bignum_value, + infinity_value, + nan_value + ] + end + + it "returns self" do + @numbers.each do |number| + number.send(@method).should equal(number) + end + end +end diff --git a/spec/rubyspec/shared/complex/numeric/imag.rb b/spec/rubyspec/shared/complex/numeric/imag.rb new file mode 100644 index 0000000000..caf54e2cf9 --- /dev/null +++ b/spec/rubyspec/shared/complex/numeric/imag.rb @@ -0,0 +1,26 @@ +require File.expand_path('../../../../spec_helper', __FILE__) + +describe :numeric_imag, shared: true do + before :each do + @numbers = [ + 20, # Integer + 398.72, # Float + Rational(3, 4), # Rational + bignum_value, # Bignum + infinity_value, + nan_value + ].map{|n| [n,-n]}.flatten + end + + it "returns 0" do + @numbers.each do |number| + number.send(@method).should == 0 + end + 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 diff --git a/spec/rubyspec/shared/complex/numeric/polar.rb b/spec/rubyspec/shared/complex/numeric/polar.rb new file mode 100644 index 0000000000..952b65c1b6 --- /dev/null +++ b/spec/rubyspec/shared/complex/numeric/polar.rb @@ -0,0 +1,50 @@ +require File.expand_path('../../../../spec_helper', __FILE__) + +describe :numeric_polar, shared: true do + before :each do + @pos_numbers = [ + 1, + 3898172610**9, + 987.18273, + Float::MAX, + Rational(13,7), + infinity_value, + ] + @neg_numbers = @pos_numbers.map {|n| -n} + @numbers = @pos_numbers + @neg_numbers + @numbers.push(0, 0.0) + end + + it "returns a two-element Array" do + @numbers.each do |number| + number.polar.should be_an_instance_of(Array) + number.polar.size.should == 2 + end + end + + it "sets the first value to the absolute value of self" do + @numbers.each do |number| + number.polar.first.should == number.abs + end + end + + it "sets the last value to 0 if self is positive" do + (@numbers - @neg_numbers).each do |number| + number.should >= 0 + number.polar.last.should == 0 + end + end + + it "sets the last value to Pi if self is negative" do + @neg_numbers.each do |number| + number.should < 0 + number.polar.last.should == Math::PI + end + end + + it "returns [NaN, NaN] if self is NaN" do + nan_value.polar.size.should == 2 + nan_value.polar.first.nan?.should be_true + nan_value.polar.last.nan?.should be_true + end +end diff --git a/spec/rubyspec/shared/complex/numeric/real.rb b/spec/rubyspec/shared/complex/numeric/real.rb new file mode 100644 index 0000000000..0dcf2e8381 --- /dev/null +++ b/spec/rubyspec/shared/complex/numeric/real.rb @@ -0,0 +1,30 @@ +require File.expand_path('../../../../spec_helper', __FILE__) + +describe :numeric_real, shared: true do + before :each do + @numbers = [ + 20, # Integer + 398.72, # Float + Rational(3, 4), # Rational + bignum_value, # Bignum + infinity_value, + nan_value + ].map{|n| [n,-n]}.flatten + end + + it "returns self" do + @numbers.each do |number| + if number.to_f.nan? + number.real.nan?.should be_true + else + number.real.should == number + end + end + end + + it "raises an ArgumentError if given any arguments" do + @numbers.each do |number| + lambda { number.real(number) }.should raise_error(ArgumentError) + end + end +end |