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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
describe "Integer#upto [stop] when self and stop are Fixnums" do
it "does not yield when stop is less than self" do
result = []
5.upto(4) { |x| result << x }
result.should == []
end
it "yields once when stop equals self" do
result = []
5.upto(5) { |x| result << x }
result.should == [5]
end
it "yields while increasing self until it is less than stop" do
result = []
2.upto(5) { |x| result << x }
result.should == [2, 3, 4, 5]
end
it "yields while increasing self until it is greater than floor of a Float endpoint" do
result = []
9.upto(13.3) {|i| result << i}
-5.upto(-1.3) {|i| result << i}
result.should == [9,10,11,12,13,-5,-4,-3,-2]
end
it "raises an ArgumentError for non-numeric endpoints" do
lambda { 1.upto("A") {|x| p x} }.should raise_error(ArgumentError)
lambda { 1.upto(nil) {|x| p x} }.should raise_error(ArgumentError)
end
ruby_version_is "" ... "1.8.7" do
it "raises a LocalJumpError when no block given" do
lambda { 2.upto(5) }.should raise_error(LocalJumpError)
end
end
ruby_version_is "1.8.7" do
it "returns an Enumerator" do
result = []
enum = 2.upto(5)
enum.each { |i| result << i }
result.should == [2, 3, 4, 5]
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems