From 57877bf06250ecff207e716d99324b937e99f0eb Mon Sep 17 00:00:00 2001
From: tripun <tripun@gmail.com>
Date: Mon, 28 Jul 2014 21:04:49 +0530
Subject: added boost subtraction unit test

---
 test/unit/t_balance.cc | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'test/unit')

diff --git a/test/unit/t_balance.cc b/test/unit/t_balance.cc
index 7dff7e1d..badfccee 100644
--- a/test/unit/t_balance.cc
+++ b/test/unit/t_balance.cc
@@ -85,7 +85,46 @@ BOOST_AUTO_TEST_CASE(testAddition)
   BOOST_CHECK(b2.valid());
   BOOST_CHECK(b3.valid());
   BOOST_CHECK(b4.valid());
+  BOOST_CHECK(b5.valid());
 
 }
 
+BOOST_AUTO_TEST_CASE(testSubtraction)
+{
+  amount_t a0;
+  amount_t a1("$1");
+  amount_t a2("2 EUR");
+  amount_t a3("0.00 CAD");
+  amount_t a4("$2");
+
+  balance_t b0;
+  balance_t b1(1.00);
+  balance_t b2(2UL);
+  balance_t b3(2L);
+  balance_t b4;
+  balance_t b5;
+
+  b0 -= b1;
+  b2 -= b3;
+  b3 -= a1;
+  b3 -= a2;
+  b4 += b3;
+  b5 -= a1;
+  b5 -= a4;
+
+  BOOST_CHECK_EQUAL(balance_t(-1.00), b0);
+  BOOST_CHECK_EQUAL(b3 -= a3, b4);
+  BOOST_CHECK_EQUAL(balance_t(), b2);
+  BOOST_CHECK_EQUAL(balance_t() -= amount_t("$3"), b5);
+
+  BOOST_CHECK_THROW(b3 -= a0, balance_error);
+
+  BOOST_CHECK(b0.valid());
+  BOOST_CHECK(b1.valid());
+  BOOST_CHECK(b2.valid());
+  BOOST_CHECK(b3.valid());
+  BOOST_CHECK(b4.valid());
+  BOOST_CHECK(b5.valid());
+}
+
 BOOST_AUTO_TEST_SUITE_END()
-- 
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