diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
---|---|---|
committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
commit | 1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch) | |
tree | a3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/bigdecimal/uminus_spec.rb | |
parent | 75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff) | |
download | ruby-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/library/bigdecimal/uminus_spec.rb')
-rw-r--r-- | spec/ruby/library/bigdecimal/uminus_spec.rb | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/spec/ruby/library/bigdecimal/uminus_spec.rb b/spec/ruby/library/bigdecimal/uminus_spec.rb new file mode 100644 index 0000000000..901f9f59ce --- /dev/null +++ b/spec/ruby/library/bigdecimal/uminus_spec.rb @@ -0,0 +1,58 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require 'bigdecimal' + +describe "BigDecimal#-@" do + before :each do + @one = BigDecimal("1") + @zero = BigDecimal("0") + @zero_pos = BigDecimal("+0") + @zero_neg = BigDecimal("-0") + @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("333E99999") + @big_neg = BigDecimal("-333E99999") + @values = [@one, @zero, @zero_pos, @zero_neg, @infinity, + @infinity_minus, @one_minus, @frac_1, @frac_2, @big, @big_neg] + end + + it "negates self" do + @one.send(:-@).should == @one_minus + @one_minus.send(:-@).should == @one + @frac_1.send(:-@).should == BigDecimal("-1E-99999") + @frac_2.send(:-@).should == BigDecimal("-0.9E-99999") + @big.send(:-@).should == @big_neg + @big_neg.send(:-@).should == @big + BigDecimal("2.221").send(:-@).should == BigDecimal("-2.221") + BigDecimal("2E10000").send(:-@).should == BigDecimal("-2E10000") + some_number = BigDecimal("2455999221.5512") + some_number_neg = BigDecimal("-2455999221.5512") + some_number.send(:-@).should == some_number_neg + (-BigDecimal("-5.5")).should == BigDecimal("5.5") + another_number = BigDecimal("-8.551551551551551551") + another_number_pos = BigDecimal("8.551551551551551551") + another_number.send(:-@).should == another_number_pos + @values.each do |val| + (val.send(:-@).send(:-@)).should == val + end + end + + it "properly handles special values" do + @infinity.send(:-@).should == @infinity_minus + @infinity_minus.send(:-@).should == @infinity + @infinity.send(:-@).infinite?.should == -1 + @infinity_minus.send(:-@).infinite?.should == 1 + + @zero.send(:-@).should == @zero + @zero.send(:-@).sign.should == -1 + @zero_pos.send(:-@).should == @zero + @zero_pos.send(:-@).sign.should == -1 + @zero_neg.send(:-@).should == @zero + @zero_neg.send(:-@).sign.should == 1 + + @nan.send(:-@).nan?.should == true + end +end |