phone_number: initial commit

cpp/phone-number/phone_number_test.cpp

@@ -0,0 +1,54 @@
+#include "phone_number.h"
+#define BOOST_TEST_MAIN
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_CASE(cleans_parens_dashes_and_spaces_from_the_number)
+{
+    const phone_number phone("(123) 456-7890");
+
+    BOOST_REQUIRE_EQUAL("1234567890", phone.number());
+}
+
+#if defined(EXERCISM_RUN_ALL_TESTS)
+BOOST_AUTO_TEST_CASE(cleans_numbers_with_dots)
+{
+    const phone_number phone("123.456.7890");
+
+    BOOST_REQUIRE_EQUAL("1234567890", phone.number());
+}
+
+BOOST_AUTO_TEST_CASE(valid_when_11_digits_and_first_digit_is_1)
+{
+    const phone_number phone("11234567890");
+
+    BOOST_REQUIRE_EQUAL("1234567890", phone.number());
+}
+
+BOOST_AUTO_TEST_CASE(invalid_when_11_digits)
+{
+    const phone_number phone("21234567890");
+
+    BOOST_REQUIRE_EQUAL("0000000000", phone.number());
+}
+
+BOOST_AUTO_TEST_CASE(invalid_when_9_digits)
+{
+    const phone_number phone("123456789");
+
+    BOOST_REQUIRE_EQUAL("0000000000", phone.number());
+}
+
+BOOST_AUTO_TEST_CASE(has_an_area_code)
+{
+    const phone_number phone("1234567890");
+
+    BOOST_REQUIRE_EQUAL("123", phone.area_code());
+}
+
+BOOST_AUTO_TEST_CASE(formats_a_number)
+{
+    const phone_number phone("1234567890");
+
+    BOOST_REQUIRE_EQUAL("(123) 456-7890", std::string(phone));
+}
+#endif