unit test: check comparisons

lballabio · Dec 1, 2023 · 982e611 · 982e611
1 parent ecd8e46
commit 982e611
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diff --git a/test-suite/money.cpp b/test-suite/money.cpp
@@ -139,11 +139,75 @@ void MoneyTest::testAutomated() {
     }
 }
 
+void MoneyTest::testComparisons() {
+    BOOST_TEST_MESSAGE("Testing money comparisons...");
+
+    for (const auto conversionType : {Money::AutomatedConversion, Money::NoConversion, Money::BaseCurrencyConversion}) {
+        ExchangeRateManager::instance().add(eur_usd);
+        ExchangeRateManager::instance().add(eur_gbp);
+        Money::Settings::instance().conversionType() = conversionType;
+        if (conversionType == Money::BaseCurrencyConversion)
+            Money::Settings::instance().baseCurrency() = EUR;
+
+        // equality
+        BOOST_CHECK_EQUAL(Money(123.45, EUR), Money(123.45, EUR));
+        if (conversionType != Money::NoConversion)
+            BOOST_CHECK_EQUAL(Money(1, EUR), Money(eur_usd.rate(), USD));
+
+        // unequal
+        BOOST_CHECK_NE(Money(1, EUR), Money(2, EUR));
+        if (conversionType != Money::NoConversion)
+            BOOST_CHECK_NE(Money(1, EUR), Money(100, USD));
+
+        // less than
+        BOOST_CHECK_LT(Money(1, EUR), Money(2, EUR));
+        if (conversionType != Money::NoConversion)
+            BOOST_CHECK_LT(Money(1, EUR), Money(100, USD));
+
+        // less or equal than
+        BOOST_CHECK_LE(Money(1, EUR), Money(2, EUR));
+        BOOST_CHECK_LE(Money(2, EUR), Money(2, EUR));
+        if (conversionType != Money::NoConversion)
+            BOOST_CHECK_LE(Money(1, EUR), Money(100, USD));
+
+        // greater than
+        BOOST_CHECK_GT(Money(2, EUR), Money(1, EUR));
+        if (conversionType != Money::NoConversion)
+            BOOST_CHECK_GT(Money(100, EUR), Money(1, USD));
+
+        // less or equal than
+        BOOST_CHECK_GE(Money(2, EUR), Money(1, EUR));
+        BOOST_CHECK_GE(Money(2, EUR), Money(2, EUR));
+        if (conversionType != Money::NoConversion)
+            BOOST_CHECK_GE(Money(100, EUR), Money(1, USD));
+
+        // close
+        BOOST_CHECK(close(Money(1, EUR), Money(1, EUR)));
+        BOOST_CHECK(close(Money(1+1e-15, EUR), Money(1, EUR)));
+        if (conversionType != Money::NoConversion){
+            BOOST_CHECK(close(Money(1, EUR), Money(eur_usd.rate(), USD)));
+            BOOST_CHECK(close(Money(1+1e-15, EUR), Money(eur_usd.rate(), USD)));
+        }
+
+        // close enough
+        BOOST_CHECK(close_enough(Money(1, EUR), Money(1, EUR)));
+        BOOST_CHECK(close_enough(Money(1+1e-15, EUR), Money(1, EUR)));
+        if (conversionType != Money::NoConversion){
+            BOOST_CHECK(close_enough(Money(1, EUR), Money(eur_usd.rate(), USD)));
+            BOOST_CHECK(close_enough(Money(1+1e-15, EUR), Money(eur_usd.rate(), USD)));
+        }
+
+        ExchangeRateManager::instance().clear();
+        Money::Settings::instance().conversionType() = Money::NoConversion;
+    }
+}
+
 test_suite* MoneyTest::suite() {
     auto* suite = BOOST_TEST_SUITE("Money tests");
     suite->add(QUANTLIB_TEST_CASE(&MoneyTest::testNone));
     suite->add(QUANTLIB_TEST_CASE(&MoneyTest::testBaseCurrency));
     suite->add(QUANTLIB_TEST_CASE(&MoneyTest::testAutomated));
+    suite->add(QUANTLIB_TEST_CASE(&MoneyTest::testComparisons));
     return suite;
 }
 
diff --git a/test-suite/money.hpp b/test-suite/money.hpp
@@ -30,6 +30,7 @@ class MoneyTest {
     static void testNone();
     static void testBaseCurrency();
     static void testAutomated();
+    static void testComparisons();
     static boost::unit_test_framework::test_suite* suite();
 };