Update to ruby/spec@cfe908c

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