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Diffstat (limited to 'spec/ruby/core/marshal/float_spec.rb')
-rw-r--r-- | spec/ruby/core/marshal/float_spec.rb | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/spec/ruby/core/marshal/float_spec.rb b/spec/ruby/core/marshal/float_spec.rb new file mode 100644 index 0000000000..0bdde3ccc1 --- /dev/null +++ b/spec/ruby/core/marshal/float_spec.rb @@ -0,0 +1,77 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Marshal.dump with Float" do + it "represents NaN" do + Marshal.dump(nan_value).should == "\004\bf\bnan" + end + + it "represents +Infinity" do + Marshal.dump(infinity_value).should == "\004\bf\binf" + end + + it "represents -Infinity" do + Marshal.dump(-infinity_value).should == "\004\bf\t-inf" + end + + it "represents zero" do + Marshal.dump(0.0).should == "\004\bf\0060" + end + + it "represents a Float less than 1" do + Marshal.dump(0.666666667).should == "\x04\bf\x100.666666667" + end + + it "represents a Float much less than 1" do + Marshal.dump(0.000000001234697).should == "\x04\bf\x101.234697e-9" + end + + it "represents a Float greater than 1" do + Marshal.dump(42.666666667).should == "\x04\bf\x1142.666666667" + end + + it "represents a Float much greater than 1" do + Marshal.dump(98743561239011.0).should == "\x04\bf\x1398743561239011" + end + + it "represents a Float much greater than 1 with a very small fractional part" do + Marshal.dump(799346183459.0000000002999312541).should == "\x04\bf\x11799346183459" + end +end + +describe "Marshal.load with Float" do + it "loads NaN" do + Marshal.load("\004\bf\bnan").should be_nan + end + + it "loads +Infinity" do + Marshal.load("\004\bf\binf").should == infinity_value + end + + it "loads -Infinity" do + Marshal.load("\004\bf\t-inf").should == -infinity_value + end + + it "loads zero" do + Marshal.load("\004\bf\0060").should == 0.0 + end + + it "loads a Float less than 1" do + Marshal.load("\x04\bf\x100.666666667").should == 0.666666667 + end + + it "loads a Float much less than 1" do + Marshal.load("\x04\bf\x101.234697e-9").should == 0.000000001234697 + end + + it "loads a Float greater than 1" do + Marshal.load("\x04\bf\x1142.666666667").should == 42.666666667 + end + + it "loads a Float much greater than 1" do + Marshal.load("\x04\bf\x1398743561239011").should == 98743561239011.0 + end + + it "loads a Float much greater than 1 with a very small fractional part" do + Marshal.load("\x04\bf\x16793468359.0002999").should == 793468359.0002999 + end +end |