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require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
describe "Range#each" do
it "passes each element to the given block by using #succ" do
a = []
(-5..5).each { |i| a << i }
a.should == [-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5]
a = []
('A'..'D').each { |i| a << i }
a.should == ['A','B','C','D']
a = []
('A'...'D').each { |i| a << i }
a.should == ['A','B','C']
a = []
(0xfffd...0xffff).each { |i| a << i }
a.should == [0xfffd, 0xfffe]
y = mock('y')
x = mock('x')
x.should_receive(:<=>).with(y).any_number_of_times.and_return(-1)
x.should_receive(:<=>).with(x).any_number_of_times.and_return(0)
x.should_receive(:succ).any_number_of_times.and_return(y)
y.should_receive(:<=>).with(x).any_number_of_times.and_return(1)
y.should_receive(:<=>).with(y).any_number_of_times.and_return(0)
a = []
(x..y).each { |i| a << i }
a.should == [x, y]
end
it "raises a TypeError if the first element does not respond to #succ" do
lambda { (0.5..2.4).each { |i| i } }.should raise_error(TypeError)
b = mock('x')
(a = mock('1')).should_receive(:method_missing).with(:<=>, b).and_return(1)
lambda { (a..b).each { |i| i } }.should raise_error(TypeError)
end
it "returns self" do
(1..10).each {}.should == (1..10)
end
ruby_version_is "1.8.7" do
it "returns an enumerator when no block given" do
enum = (1..3).each
enum.should be_kind_of(enumerator_class)
enum.to_a.should == [1, 2, 3]
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems