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Diffstat (limited to 'spec/rubyspec/core/math/ldexp_spec.rb')
| -rw-r--r-- | spec/rubyspec/core/math/ldexp_spec.rb | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/spec/rubyspec/core/math/ldexp_spec.rb b/spec/rubyspec/core/math/ldexp_spec.rb deleted file mode 100644 index 360f5c5e2a..0000000000 --- a/spec/rubyspec/core/math/ldexp_spec.rb +++ /dev/null @@ -1,54 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes', __FILE__) - -describe "Math.ldexp" do - it "returns a float" do - Math.ldexp(1.0, 2).should be_kind_of(Float) - end - - it "returns the argument multiplied by 2**n" do - Math.ldexp(0.0, 0.0).should == 0.0 - Math.ldexp(0.0, 1.0).should == 0.0 - Math.ldexp(-1.25, 2).should be_close(-5.0, TOLERANCE) - Math.ldexp(2.1, -3).should be_close(0.2625, TOLERANCE) - Math.ldexp(5.7, 4).should be_close(91.2, TOLERANCE) - end - - it "raises a TypeError if the first argument cannot be coerced with Float()" do - lambda { Math.ldexp("test", 2) }.should raise_error(TypeError) - end - - it "returns NaN given NaN" do - Math.ldexp(nan_value, 0).nan?.should be_true - end - - it "raises RangeError if NaN is given as the second arg" do - lambda { Math.ldexp(0, nan_value) }.should raise_error(RangeError) - end - - it "raises a TypeError if the second argument cannot be coerced with Integer()" do - lambda { Math.ldexp(3.2, "this") }.should raise_error(TypeError) - end - - it "raises a TypeError if the first argument is nil" do - lambda { Math.ldexp(nil, 2) }.should raise_error(TypeError) - end - - it "raises a TypeError if the second argument is nil" do - lambda { Math.ldexp(3.1, nil) }.should raise_error(TypeError) - end - - it "accepts any first argument that can be coerced with Float()" do - Math.ldexp(MathSpecs::Float.new, 2).should be_close(4.0, TOLERANCE) - end - - it "accepts any second argument that can be coerced with Integer()" do - Math.ldexp(3.23, MathSpecs::Integer.new).should be_close(12.92, TOLERANCE) - end -end - -describe "Math#ldexp" do - it "is accessible as a private instance method" do - IncludesMath.new.send(:ldexp, 3.1415, 2).should be_close(12.566, TOLERANCE) - end -end |
