diff options
Diffstat (limited to 'spec/ruby/library/bigdecimal/zero_spec.rb')
| -rw-r--r-- | spec/ruby/library/bigdecimal/zero_spec.rb | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/library/bigdecimal/zero_spec.rb b/spec/ruby/library/bigdecimal/zero_spec.rb new file mode 100644 index 0000000000..7dbb0fa7f0 --- /dev/null +++ b/spec/ruby/library/bigdecimal/zero_spec.rb @@ -0,0 +1,28 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require 'bigdecimal' + +describe "BigDecimal#zero?" do + + it "returns true if self does equal zero" do + really_small_zero = BigDecimal("0E-200000000") + really_big_zero = BigDecimal("0E200000000000") + really_small_zero.zero?.should == true + really_big_zero.zero?.should == true + BigDecimal("0.000000000000000000000000").zero?.should == true + BigDecimal("0").zero?.should == true + BigDecimal("0E0").zero?.should == true + BigDecimal("+0").zero?.should == true + BigDecimal("-0").zero?.should == true + end + + it "returns false otherwise" do + BigDecimal("0000000001").zero?.should == false + BigDecimal("2E40001").zero?.should == false + BigDecimal("3E-20001").zero?.should == false + BigDecimal("Infinity").zero?.should == false + BigDecimal("-Infinity").zero?.should == false + BigDecimal("NaN").zero?.should == false + end + +end + |