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* 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
77 lines
2.1 KiB
Ruby
77 lines
2.1 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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describe "Marshal.dump with Float" do
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it "represents NaN" do
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Marshal.dump(nan_value).should == "\004\bf\bnan"
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end
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it "represents +Infinity" do
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Marshal.dump(infinity_value).should == "\004\bf\binf"
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end
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it "represents -Infinity" do
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Marshal.dump(-infinity_value).should == "\004\bf\t-inf"
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end
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it "represents zero" do
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Marshal.dump(0.0).should == "\004\bf\0060"
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end
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it "represents a Float less than 1" do
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Marshal.dump(0.666666667).should == "\x04\bf\x100.666666667"
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end
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it "represents a Float much less than 1" do
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Marshal.dump(0.000000001234697).should == "\x04\bf\x101.234697e-9"
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end
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it "represents a Float greater than 1" do
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Marshal.dump(42.666666667).should == "\x04\bf\x1142.666666667"
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end
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it "represents a Float much greater than 1" do
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Marshal.dump(98743561239011.0).should == "\x04\bf\x1398743561239011"
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end
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it "represents a Float much greater than 1 with a very small fractional part" do
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Marshal.dump(799346183459.0000000002999312541).should == "\x04\bf\x11799346183459"
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end
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end
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describe "Marshal.load with Float" do
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it "loads NaN" do
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Marshal.load("\004\bf\bnan").should be_nan
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end
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it "loads +Infinity" do
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Marshal.load("\004\bf\binf").should == infinity_value
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end
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it "loads -Infinity" do
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Marshal.load("\004\bf\t-inf").should == -infinity_value
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end
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it "loads zero" do
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Marshal.load("\004\bf\0060").should == 0.0
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end
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it "loads a Float less than 1" do
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Marshal.load("\x04\bf\x100.666666667").should == 0.666666667
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end
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it "loads a Float much less than 1" do
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Marshal.load("\x04\bf\x101.234697e-9").should == 0.000000001234697
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end
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it "loads a Float greater than 1" do
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Marshal.load("\x04\bf\x1142.666666667").should == 42.666666667
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end
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it "loads a Float much greater than 1" do
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Marshal.load("\x04\bf\x1398743561239011").should == 98743561239011.0
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end
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it "loads a Float much greater than 1 with a very small fractional part" do
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Marshal.load("\x04\bf\x16793468359.0002999").should == 793468359.0002999
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end
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end
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