Fix setters to return correct boolean value (#727)

* Update set_protocol to return correct boolean value, and add tests

* Update other cases to also return false

Author: CarlosEduR

src/url.cpp

@@ -340,21 +340,21 @@ ada_really_inline bool url::parse_scheme(const std::string_view input) {
       // If url's scheme is not a special scheme and buffer is a special scheme,
       // then return.
       if (is_special() != is_input_special) {
-        return true;
+        return false;
       }
 
       // If url includes credentials or has a non-null port, and buffer is
       // "file", then return.
       if ((has_credentials() || port.has_value()) &&
           parsed_type == ada::scheme::type::FILE) {
-        return true;
+        return false;
       }
 
       // If url's scheme is "file" and its host is an empty host, then return.
       // An empty host is the empty string.
       if (type == ada::scheme::type::FILE && host.has_value() &&
           host.value().empty()) {
-        return true;
+        return false;
       }
     }
 

src/url_aggregator.cpp

@@ -31,21 +31,21 @@ template <bool has_state_override>
       // If url's scheme is not a special scheme and buffer is a special scheme,
       // then return.
       if (is_special() != is_input_special) {
-        return true;
+        return false;
       }
 
       // If url includes credentials or has a non-null port, and buffer is
       // "file", then return.
       if ((has_credentials() || components.port != url_components::omitted) &&
           parsed_type == ada::scheme::type::FILE) {
-        return true;
+        return false;
       }
 
       // If url's scheme is "file" and its host is an empty host, then return.
       // An empty host is the empty string.
       if (type == ada::scheme::type::FILE &&
           components.host_start == components.host_end) {
-        return true;
+        return false;
       }
     }
 

tests/basic_tests.cpp

@@ -104,12 +104,28 @@ TYPED_TEST(basic_tests, readme2) {
 
 TYPED_TEST(basic_tests, readme3) {
   auto url = ada::parse<TypeParam>("https://www.google.com");
-  url->set_protocol("wss");
+  ASSERT_EQ(url->set_protocol("wss"), true);
   ASSERT_EQ(url->get_protocol(), "wss:");
   ASSERT_EQ(url->get_href(), "wss://www.google.com/");
   SUCCEED();
 }
 
+TYPED_TEST(basic_tests, set_protocol_should_return_false_sometimes) {
+  auto url = ada::parse<TypeParam>("file:");
+  ASSERT_EQ(url->set_protocol("https"), false);
+  ASSERT_EQ(url->set_host("google.com"), true);
+  ASSERT_EQ(url->get_href(), "file://google.com/");
+  SUCCEED();
+}
+
+TYPED_TEST(basic_tests, set_protocol_should_return_true_sometimes) {
+  auto url = ada::parse<TypeParam>("file:");
+  ASSERT_EQ(url->set_host("google.com"), true);
+  ASSERT_EQ(url->set_protocol("https"), true);
+  ASSERT_EQ(url->get_href(), "https://google.com/");
+  SUCCEED();
+}
+
 TYPED_TEST(basic_tests, readme4) {
   auto url = ada::parse<TypeParam>("https://www.google.com");
   url->set_host("github.com");