diff options
Diffstat (limited to 'spec/rubyspec/core/string/to_f_spec.rb')
| -rw-r--r-- | spec/rubyspec/core/string/to_f_spec.rb | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/spec/rubyspec/core/string/to_f_spec.rb b/spec/rubyspec/core/string/to_f_spec.rb deleted file mode 100644 index 8454651ab2..0000000000 --- a/spec/rubyspec/core/string/to_f_spec.rb +++ /dev/null @@ -1,69 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes.rb', __FILE__) - -# src.scan(/[+-]?[\d_]+\.[\d_]+(e[+-]?[\d_]+)?\b|[+-]?[\d_]+e[+-]?[\d_]+\b/i) - -describe "String#to_f" do - it "treats leading characters of self as a floating point number" do - "123.45e1".to_f.should == 1234.5 - "45.67 degrees".to_f.should == 45.67 - "0".to_f.should == 0.0 - "123.45e1".to_f.should == 1234.5 - - ".5".to_f.should == 0.5 - ".5e1".to_f.should == 5.0 - "5e".to_f.should == 5.0 - "5E".to_f.should == 5.0 - end - - it "treats special float value strings as characters" do - "NaN".to_f.should == 0 - "Infinity".to_f.should == 0 - "-Infinity".to_f.should == 0 - end - - it "allows for varying case" do - "123.45e1".to_f.should == 1234.5 - "123.45E1".to_f.should == 1234.5 - end - - it "allows for varying signs" do - "+123.45e1".to_f.should == +123.45e1 - "-123.45e1".to_f.should == -123.45e1 - "123.45e+1".to_f.should == 123.45e+1 - "123.45e-1".to_f.should == 123.45e-1 - "+123.45e+1".to_f.should == +123.45e+1 - "+123.45e-1".to_f.should == +123.45e-1 - "-123.45e+1".to_f.should == -123.45e+1 - "-123.45e-1".to_f.should == -123.45e-1 - end - - it "allows for underscores, even in the decimal side" do - "1_234_567.890_1".to_f.should == 1_234_567.890_1 - end - - it "returns 0 for strings with any non-digit in them" do - "blah".to_f.should == 0 - "0b5".to_f.should == 0 - "0d5".to_f.should == 0 - "0o5".to_f.should == 0 - "0xx5".to_f.should == 0 - end - - it "returns 0 for strings with leading underscores" do - "_9".to_f.should == 0 - end - - it "takes an optional sign" do - "-45.67 degrees".to_f.should == -45.67 - "+45.67 degrees".to_f.should == 45.67 - "-5_5e-5_0".to_f.should == -55e-50 - "-".to_f.should == 0.0 - (1.0 / "-0".to_f).to_s.should == "-Infinity" - end - - it "returns 0.0 if the conversion fails" do - "bad".to_f.should == 0.0 - "thx1138".to_f.should == 0.0 - end -end |
