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author | Benoit Daloze <eregontp@gmail.com> | 2019-05-31 19:02:08 +0200 |
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committer | Benoit Daloze <eregontp@gmail.com> | 2019-05-31 19:02:08 +0200 |
commit | 1d37cc1900b6cf13285417577cb21c01195d3d2a (patch) | |
tree | 5a3a2b8c2e57f8574a05945f85ebd1e8954d1fec /spec/ruby/core/enumerable | |
parent | f97979ce888492cbf1c3c92839e086fbec1e5d15 (diff) | |
download | ruby-1d37cc1900b6cf13285417577cb21c01195d3d2a.tar.gz |
Update to ruby/spec@cfe908c
Diffstat (limited to 'spec/ruby/core/enumerable')
-rw-r--r-- | spec/ruby/core/enumerable/tally_spec.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerable/tally_spec.rb b/spec/ruby/core/enumerable/tally_spec.rb new file mode 100644 index 0000000000..363b3def21 --- /dev/null +++ b/spec/ruby/core/enumerable/tally_spec.rb @@ -0,0 +1,35 @@ +require_relative '../../spec_helper' +require_relative 'fixtures/classes' + +ruby_version_is "2.7" do + describe "Enumerable#tally" do + before :each do + ScratchPad.record [] + end + + it "returns a hash with counts according to the value" do + enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') + enum.tally.should == { 'foo' => 2, 'bar' => 1, 'baz' => 1} + end + + it "returns a hash without default" do + hash = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz').tally + hash.default_proc.should be_nil + hash.default.should be_nil + end + + it "returns an empty hash for empty enumerables" do + EnumerableSpecs::Empty.new.tally.should == {} + end + + it "counts values as gathered array when yielded with multiple arguments" do + EnumerableSpecs::YieldsMixed2.new.tally.should == EnumerableSpecs::YieldsMixed2.gathered_yields.group_by(&:itself).transform_values(&:size) + end + + it "does not call given block" do + enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') + enum.tally { |v| ScratchPad << v } + ScratchPad.recorded.should == [] + end + end +end |