diff options
| -rw-r--r-- | lib/arel/nodes/binary.rb | 2 | ||||
| -rw-r--r-- | test/nodes/test_binary.rb | 26 |
2 files changed, 27 insertions, 1 deletions
diff --git a/lib/arel/nodes/binary.rb b/lib/arel/nodes/binary.rb index e35d2fd2e7..dddbde1431 100644 --- a/lib/arel/nodes/binary.rb +++ b/lib/arel/nodes/binary.rb @@ -16,7 +16,7 @@ module Arel end def hash - [@left, @right].hash + [self.class, @left, @right].hash end def eql? other diff --git a/test/nodes/test_binary.rb b/test/nodes/test_binary.rb new file mode 100644 index 0000000000..7e25a21151 --- /dev/null +++ b/test/nodes/test_binary.rb @@ -0,0 +1,26 @@ +require 'helper' +require 'set' + +module Arel + module Nodes + describe 'Binary' do + describe '#hash' do + it 'generates a hash based on its value' do + eq = Equality.new('foo', 'bar') + eq2 = Equality.new('foo', 'bar') + eq3 = Equality.new('bar', 'baz') + + assert_equal eq.hash, eq2.hash + refute_equal eq.hash, eq3.hash + end + + it 'generates a hash specific to its class' do + eq = Equality.new('foo', 'bar') + neq = NotEqual.new('foo', 'bar') + + refute_equal eq.hash, neq.hash + end + end + end + end +end |