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-rw-r--r--spec/rubyspec/core/float/round_spec.rb87
1 files changed, 0 insertions, 87 deletions
diff --git a/spec/rubyspec/core/float/round_spec.rb b/spec/rubyspec/core/float/round_spec.rb
deleted file mode 100644
index 46d23b36d0..0000000000
--- a/spec/rubyspec/core/float/round_spec.rb
+++ /dev/null
@@ -1,87 +0,0 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-
-describe "Float#round" do
- it "returns the nearest Integer" do
- 5.5.round.should == 6
- 0.4.round.should == 0
- 0.6.round.should == 1
- -1.4.round.should == -1
- -2.8.round.should == -3
- 0.0.round.should == 0
- end
-
- platform_is_not :mingw32 do
- it "returns the nearest Integer for Float near the limit" do
- 0.49999999999999994.round.should == 0
- -0.49999999999999994.round.should == 0
- end
- end
-
- it "raises FloatDomainError for exceptional values" do
- lambda { (+infinity_value).round }.should raise_error(FloatDomainError)
- lambda { (-infinity_value).round }.should raise_error(FloatDomainError)
- lambda { nan_value.round }.should raise_error(FloatDomainError)
- end
-
- it "rounds self to an optionally given precision" do
- 5.5.round(0).should eql(6)
- 5.7.round(1).should eql(5.7)
- 1.2345678.round(2).should == 1.23
- 123456.78.round(-2).should eql(123500) # rounded up
- -123456.78.round(-2).should eql(-123500)
- 12.345678.round(3.999).should == 12.346
- end
-
- it "returns zero when passed a negative argument with magitude greater the magitude of the whole number portion of the Float" do
- 0.8346268.round(-1).should eql(0)
- end
-
- it "raises a TypeError when its argument can not be converted to an Integer" do
- lambda { 1.0.round("4") }.should raise_error(TypeError)
- lambda { 1.0.round(nil) }.should raise_error(TypeError)
- end
-
- it "raises FloatDomainError for exceptional values when passed a non-positive precision" do
- lambda { Float::INFINITY.round( 0) }.should raise_error(FloatDomainError)
- lambda { Float::INFINITY.round(-2) }.should raise_error(FloatDomainError)
- lambda { (-Float::INFINITY).round( 0) }.should raise_error(FloatDomainError)
- lambda { (-Float::INFINITY).round(-2) }.should raise_error(FloatDomainError)
- end
-
- it "raises RangeError for NAN when passed a non-positive precision" do
- lambda { Float::NAN.round(0) }.should raise_error(RangeError)
- lambda { Float::NAN.round(-2) }.should raise_error(RangeError)
- end
-
- it "returns self for exceptional values when passed a non-negative precision" do
- Float::INFINITY.round(2).should == Float::INFINITY
- (-Float::INFINITY).round(2).should == -Float::INFINITY
- Float::NAN.round(2).should be_nan
- end
-
- # redmine:5227
- it "works for corner cases" do
- 42.0.round(308).should eql(42.0)
- 1.0e307.round(2).should eql(1.0e307)
- end
-
- # redmine:5271
- it "returns rounded values for big argument" do
- 0.42.round(2.0**30).should == 0.42
- end
-
- it "returns big values rounded to nearest" do
- +2.5e20.round(-20).should eql( +3 * 10 ** 20 )
- -2.5e20.round(-20).should eql( -3 * 10 ** 20 )
- end
-
- # redmine #5272
- it "returns rounded values for big values" do
- +2.4e20.round(-20).should eql( +2 * 10 ** 20 )
- -2.4e20.round(-20).should eql( -2 * 10 ** 20 )
- +2.5e200.round(-200).should eql( +3 * 10 ** 200 )
- +2.4e200.round(-200).should eql( +2 * 10 ** 200 )
- -2.5e200.round(-200).should eql( -3 * 10 ** 200 )
- -2.4e200.round(-200).should eql( -2 * 10 ** 200 )
- end
-end