diff options
| -rw-r--r-- | lib/money.rb | 6 | ||||
| -rw-r--r-- | spec/unit/money_spec.rb | 5 |
2 files changed, 8 insertions, 3 deletions
diff --git a/lib/money.rb b/lib/money.rb index 11394e6..0a32f50 100644 --- a/lib/money.rb +++ b/lib/money.rb @@ -6,11 +6,11 @@ class Money end def +(other) - plus(other) + Money.new(@amount + other.amount) end - def plus(other) - Money.new(@amount + other.amount) + def -(other) + Money.new(@amount - other.amount) end def ==(other) diff --git a/spec/unit/money_spec.rb b/spec/unit/money_spec.rb index 9716db2..2934a67 100644 --- a/spec/unit/money_spec.rb +++ b/spec/unit/money_spec.rb @@ -21,4 +21,9 @@ describe Money do result.should == Money.new(2.00) end end + context "when subtracting money" do + it "should return the correct amount" do + (Money.new(1.99) - Money.new(0.99)).should == Money.new(1.00) + end + end end |