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Diffstat (limited to 'spec/ruby/core/integer/times_spec.rb')
-rw-r--r-- | spec/ruby/core/integer/times_spec.rb | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/times_spec.rb b/spec/ruby/core/integer/times_spec.rb new file mode 100644 index 0000000000..d426bc008c --- /dev/null +++ b/spec/ruby/core/integer/times_spec.rb @@ -0,0 +1,79 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +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 |