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Versions: 52
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Contents
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
# -2.8.round.should == -3
# 0.0.round.should == 0
# 0.49999999999999994.round.should == 0 # see http://jira.codehaus.org/browse/JRUBY-5048
# end
ruby_version_is "1.9" do
# it "rounds self to an optionally given precision" do
# 5.5.round(0).should == 6
# 1.2345678.round(2).should == 1.23
# 123456.78.round(-2).should == 123500 # rounded up
# -123456.78.round(-2).should == -123500
# 12.345678.round(3.999).should == 12.346
# 0.8346268.round(-2.0**30).should == 0
# 0.42.round(2.0**30).should == 0.42
# 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
ruby_bug "redmine:5227", "1.9.2" do
it "works for corner cases" do
42.0.round(308).should == 42.0
1.0e307.round(2).should == 1.0e307
end
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems