new unit tests

.gitignore

@@ -15,3 +15,4 @@ spec/reports
 test/tmp
 test/version_tmp
 tmp
+.DS_Store

README.md

@@ -59,9 +59,6 @@ anticipated_variable_payment_amortization (periods, amount, rate, payment)
 #### Amortization with fixed payment due
 due_fixed_payment_amortization (periods, amount, rate, payment)
 
-#### Variable payment amortization anticipated
-anticipated_fixed_payment_amortization (periods, amount, rate, payment)
-
     $ due_fixed_payment_amortization(5,10000,1.8,2109)
     $ [{:period=>0, :monthly_payment=>nil, :interest=>nil, :payment=>nil, :balance=>10000},
       {:period=>1, :payment=>2109, :interest=>18000.0, :monthly_payment=>-15891.0, :balance=>25891.0},
@@ -70,6 +67,11 @@ anticipated_fixed_payment_amortization (periods, amount, rate, payment)
       {:period=>4, :payment=>2109, :interest=>350948.232, :monthly_payment=>-348839.232, :balance=>543810.4720000001},
       {:period=>5, :payment=>2109, :interest=>978858.8496000002, :monthly_payment=>-976749.8496000002, :balance=>1520560.3216000004}]
 
+
+#### Variable payment amortization anticipated
+anticipated_fixed_payment_amortization (periods, amount, rate, payment)
+
+
 #### Find future given the present value
 future_given_present (present_value, interest, term)
 

spec/test_payment_spec.rb

@@ -2,11 +2,8 @@
 require 'spec_helper'
 
 describe "fixed payment test" do
-
   it 'should be the monthly payment' do
-
     annuity_given_present(100000000, 0.0144594763, 180).should eq(1563975.1395)
-
   end
 end
 
@@ -15,3 +12,28 @@
     variable_payment(10000000.0,40).should eq(250000)
   end
 end
+
+describe "due variable payment amortization" do
+  it "should be a hash of payments" do
+    due_variable_payment_amortization(5,10000,1.8,2000).should be_an(Array)
+  end
+end
+
+describe "anticipated vabiable payment amortization" do
+  it "should be a hash of payments" do
+    anticipated_variable_payment_amortization(5,10000,1.8,2000).should be_an(Array)
+  end
+end
+
+describe "due fixed payment amortization" do
+  it "should be a hash of payments" do
+    due_fixed_payment_amortization(5,10000,1.8,2000).should be_an(Array)
+  end
+end
+
+describe "anticipated fixed payment amortization" do
+  it "should be a hash of payments" do
+    anticipated_fixed_payment_amortization(5,10000,1.8,2000).should be_an(Array)
+  end
+end
+