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require_relative '../../spec_helper'
describe "Integer#times" do
it "returns self" do
5.times {}.should == 5
9.times {}.should == 9
9.times { |n| n - 2 }.should == 9
end
it "yields each value from 0 to self - 1" do
a = []
9.times { |i| a << i }
-2.times { |i| a << i }
a.should == [0, 1, 2, 3, 4, 5, 6, 7, 8]
end
it "skips the current iteration when encountering 'next'" do
a = []
3.times do |i|
next if i == 1
a << i
end
a.should == [0, 2]
end
it "skips all iterations when encountering 'break'" do
a = []
5.times do |i|
break if i == 3
a << i
end
a.should == [0, 1, 2]
end
it "skips all iterations when encountering break with an argument and returns that argument" do
9.times { break 2 }.should == 2
end
it "executes a nested while loop containing a break expression" do
a = [false]
b = 1.times do |i|
while true
a.shift or break
end
end
a.should == []
b.should == 1
end
it "executes a nested #times" do
a = 0
b = 3.times do |i|
2.times { a += 1 }
end
a.should == 6
b.should == 3
end
it "returns an Enumerator" do
result = []
enum = 3.times
enum.each { |i| result << i }
result.should == [0, 1, 2]
end
describe "when no block is given" do
describe "returned Enumerator" do
describe "size" do
it "returns self" do
5.times.size.should == 5
10.times.size.should == 10
0.times.size.should == 0
end
end
end
end
end
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