diff options
Diffstat (limited to 'spec/ruby/core/enumerable/tally_spec.rb')
| -rw-r--r-- | spec/ruby/core/enumerable/tally_spec.rb | 116 |
1 files changed, 57 insertions, 59 deletions
diff --git a/spec/ruby/core/enumerable/tally_spec.rb b/spec/ruby/core/enumerable/tally_spec.rb index e0edc8dc75..deef741407 100644 --- a/spec/ruby/core/enumerable/tally_spec.rb +++ b/spec/ruby/core/enumerable/tally_spec.rb @@ -13,8 +13,8 @@ describe "Enumerable#tally" do 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 + hash.default_proc.should == nil + hash.default.should == nil end it "returns an empty hash for empty enumerables" do @@ -32,62 +32,60 @@ describe "Enumerable#tally" do end end -ruby_version_is "3.1" do - describe "Enumerable#tally with a hash" 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({ 'foo' => 1 }).should == { 'foo' => 3, 'bar' => 1, 'baz' => 1} - end - - it "returns the given hash" do - enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') - hash = { 'foo' => 1 } - enum.tally(hash).should equal(hash) - end - - it "calls #to_hash to convert argument to Hash implicitly if passed not a Hash" do - enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') - object = Object.new - def object.to_hash; { 'foo' => 1 }; end - enum.tally(object).should == { 'foo' => 3, 'bar' => 1, 'baz' => 1} - end - - it "raises a FrozenError and does not update the given hash when the hash is frozen" do - enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') - hash = { 'foo' => 1 }.freeze - -> { enum.tally(hash) }.should raise_error(FrozenError) - hash.should == { 'foo' => 1 } - end - - it "raises a FrozenError even if enumerable is empty" do - enum = EnumerableSpecs::Numerous.new() - hash = { 'foo' => 1 }.freeze - -> { enum.tally(hash) }.should raise_error(FrozenError) - end - - it "does not call given block" do - enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') - enum.tally({ 'foo' => 1 }) { |v| ScratchPad << v } - ScratchPad.recorded.should == [] - end - - it "ignores the default value" do - enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') - enum.tally(Hash.new(100)).should == { 'foo' => 2, 'bar' => 1, 'baz' => 1} - end - - it "ignores the default proc" do - enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') - enum.tally(Hash.new {100}).should == { 'foo' => 2, 'bar' => 1, 'baz' => 1} - end - - it "needs the values counting each elements to be an integer" do - enum = EnumerableSpecs::Numerous.new('foo') - -> { enum.tally({ 'foo' => 'bar' }) }.should raise_error(TypeError) - end +describe "Enumerable#tally with a hash" 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({ 'foo' => 1 }).should == { 'foo' => 3, 'bar' => 1, 'baz' => 1} + end + + it "returns the given hash" do + enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') + hash = { 'foo' => 1 } + enum.tally(hash).should.equal?(hash) + end + + it "calls #to_hash to convert argument to Hash implicitly if passed not a Hash" do + enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') + object = Object.new + def object.to_hash; { 'foo' => 1 }; end + enum.tally(object).should == { 'foo' => 3, 'bar' => 1, 'baz' => 1} + end + + it "raises a FrozenError and does not update the given hash when the hash is frozen" do + enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') + hash = { 'foo' => 1 }.freeze + -> { enum.tally(hash) }.should.raise(FrozenError) + hash.should == { 'foo' => 1 } + end + + it "raises a FrozenError even if enumerable is empty" do + enum = EnumerableSpecs::Numerous.new() + hash = { 'foo' => 1 }.freeze + -> { enum.tally(hash) }.should.raise(FrozenError) + end + + it "does not call given block" do + enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') + enum.tally({ 'foo' => 1 }) { |v| ScratchPad << v } + ScratchPad.recorded.should == [] + end + + it "ignores the default value" do + enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') + enum.tally(Hash.new(100)).should == { 'foo' => 2, 'bar' => 1, 'baz' => 1} + end + + it "ignores the default proc" do + enum = EnumerableSpecs::Numerous.new('foo', 'bar', 'foo', 'baz') + enum.tally(Hash.new {100}).should == { 'foo' => 2, 'bar' => 1, 'baz' => 1} + end + + it "needs the values counting each elements to be an integer" do + enum = EnumerableSpecs::Numerous.new('foo') + -> { enum.tally({ 'foo' => 'bar' }) }.should.raise(TypeError) end end |
