Add converter tests with throw_on_error

include/ss/converter.hpp

@@ -121,7 +121,12 @@ public:
     no_void_validator_tup_t<Ts...> convert(
         line_ptr_type line, const std::string& delim = default_delimiter) {
         split(line, delim);
+        if (splitter_.valid()) {
             return convert<Ts...>(splitter_.split_data_);
+        } else {
+            set_error_bad_split();
+            return {};
+        }
     }
 
     // parses already split line, returns 'T' object with extracted values
@@ -227,7 +232,7 @@ private:
         return error;
     }
 
-    void set_error_unterminated_quote() {
+    void set_error_bad_split() {
         if constexpr (string_error) {
             error_.clear();
             error_.append(splitter_.error_msg());
@@ -340,10 +345,11 @@ private:
     template <typename... Ts>
     no_void_validator_tup_t<Ts...> convert_impl(const split_data& elems) {
         clear_error();
+        // TODO check if this is needed
         using return_type = no_void_validator_tup_t<Ts...>;
 
         if (!splitter_.valid()) {
-            set_error_unterminated_quote();
+            set_error_bad_split();
             no_void_validator_tup_t<Ts...> ret{};
             return ret;
         }

include/ss/setup.hpp

@@ -250,6 +250,7 @@ public:
     constexpr static bool ignore_empty = (count_ignore_empty == 1);
     constexpr static bool throw_on_error = (count_throw_on_error == 1);
     // TODO set string_error if throw_on_error is defined
+    // TODO throw_on_error should be unique
 
 private:
 #define ASSERT_MSG "cannot have the same match character in multiple matchers"

include/ss/splitter.hpp

@@ -163,6 +163,7 @@ private:
     }
 
     void set_error_invalid_resplit() {
+        // TODO check this
         unterminated_quote_ = false;
         if constexpr (string_error) {
             error_.clear();

test/test_converter.cpp

@@ -22,6 +22,30 @@ TEST_CASE("converter test split") {
     }
 }
 
+TEST_CASE("converter test split with exceptions") {
+    ss::converter<ss::throw_on_error> c;
+    try {
+        for (const auto& [s, expected, delim] :
+             // clang-format off
+                {std::make_tuple("a,b,c,d", std::vector{"a", "b", "c", "d"}, ","),
+                {"", {}, " "},
+                {" x x x x | x ", {" x x x x ", " x "}, "|"},
+                {"a::b::c::d", {"a", "b", "c", "d"}, "::"},
+                {"x\t-\ty", {"x", "y"}, "\t-\t"},
+                {"x", {"x"}, ","}} // clang-format on
+        ) {
+            auto split = c.split(s, delim);
+            CHECK_EQ(split.size(), expected.size());
+            for (size_t i = 0; i < split.size(); ++i) {
+                auto s = std::string(split[i].first, split[i].second);
+                CHECK_EQ(s, expected[i]);
+            }
+        }
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 TEST_CASE("converter test valid conversions") {
     ss::converter c;
 
@@ -116,12 +140,153 @@ TEST_CASE("converter test valid conversions") {
     }
 }
 
+TEST_CASE("converter test valid conversions with exceptions") {
+    ss::converter<ss::throw_on_error> c;
+
+    try {
+        auto tup = c.convert<int>("5");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, 5);
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<int, void>("5,junk");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, 5);
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<void, int>("junk,5");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, 5);
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<int, void, void>("5\njunk\njunk", "\n");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, 5);
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<void, int, void>("junk 5 junk", " ");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, 5);
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<void, void, int>("junk\tjunk\t5", "\t");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, 5);
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup =
+            c.convert<void, void, std::optional<int>>("junk\tjunk\t5", "\t");
+        REQUIRE(c.valid());
+        REQUIRE(tup.has_value());
+        CHECK_EQ(tup, 5);
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<int, double, void>("5,6.6,junk");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple(5, 6.6));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<int, void, double>("5,junk,6.6");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple(5, 6.6));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<void, int, double>("junk;5;6.6", ";");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple(5, 6.6));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup =
+            c.convert<void, std::optional<int>, double>("junk;5;6.6", ";");
+        REQUIRE(c.valid());
+        REQUIRE(std::get<0>(tup).has_value());
+        CHECK_EQ(tup, std::make_tuple(5, 6.6));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup =
+            c.convert<void, std::optional<int>, double>("junk;5.4;6.6", ";");
+        REQUIRE(c.valid());
+        REQUIRE_FALSE(std::get<0>(tup).has_value());
+        CHECK_EQ(tup, std::make_tuple(std::optional<int>{}, 6.6));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup =
+            c.convert<void, std::variant<int, double>, double>("junk;5;6.6",
+                                                               ";");
+        REQUIRE(c.valid());
+        REQUIRE(std::holds_alternative<int>(std::get<0>(tup)));
+        CHECK_EQ(tup, std::make_tuple(std::variant<int, double>{5}, 6.6));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup =
+            c.convert<void, std::variant<int, double>, double>("junk;5.5;6.6",
+                                                               ";");
+        REQUIRE(c.valid());
+        REQUIRE(std::holds_alternative<double>(std::get<0>(tup)));
+        CHECK_EQ(tup, std::make_tuple(std::variant<int, double>{5.5}, 6.6));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        auto tup = c.convert<void, std::string_view, double,
+                             std::string_view>("junk;s1;6.6;s2", ";");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple(std::string_view{"s1"}, 6.6,
+                                      std::string_view{"s2"}));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 TEST_CASE("converter test invalid conversions") {
     ss::converter c;
 
     c.convert<int>("");
     REQUIRE_FALSE(c.valid());
 
+    c.convert<int>("1", "");
+    REQUIRE_FALSE(c.valid());
+
     c.convert<int>("10", "");
     REQUIRE_FALSE(c.valid());
 
@@ -150,6 +315,24 @@ TEST_CASE("converter test invalid conversions") {
     REQUIRE_FALSE(c.valid());
 }
 
+TEST_CASE("converter test invalid conversions with exceptions") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::throw_on_error> c;
+
+    REQUIRE_EXCEPTION(c.convert<int>(""));
+    REQUIRE_EXCEPTION(c.convert<int>("1", ""));
+    REQUIRE_EXCEPTION(c.convert<int>("10", ""));
+    REQUIRE_EXCEPTION(c.convert<int, void>(""));
+    REQUIRE_EXCEPTION(c.convert<int, void>(",junk"));
+    REQUIRE_EXCEPTION(c.convert<void, int>("junk,"));
+    REQUIRE_EXCEPTION(c.convert<int>("x"));
+    REQUIRE_EXCEPTION(c.convert<int, void>("x"));
+    REQUIRE_EXCEPTION(c.convert<int, void>("x,junk"));
+    REQUIRE_EXCEPTION(c.convert<void, int>("junk,x"));
+    REQUIRE_EXCEPTION(
+        c.convert<void, std::variant<int, double>, double>("junk;.5.5;6", ";"));
+}
+
 TEST_CASE("converter test ss:ax restriction (all except)") {
     ss::converter c;
 
@@ -181,6 +364,33 @@ TEST_CASE("converter test ss:ax restriction (all except)") {
     }
 }
 
+TEST_CASE("converter test ss:ax restriction (all except) with exceptions") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::throw_on_error> c;
+
+    REQUIRE_EXCEPTION(c.convert<ss::ax<int, 0>>("0"));
+    REQUIRE_EXCEPTION(c.convert<ss::ax<int, 0, 1, 2>>("1"));
+    REQUIRE_EXCEPTION(c.convert<void, char, ss::ax<int, 0, 1, 2>>("junk,c,1"));
+    REQUIRE_EXCEPTION(c.convert<ss::ax<int, 1>, char>("1,c"));
+
+    try {
+        {
+            int tup = c.convert<ss::ax<int, 1>>("3");
+            CHECK_EQ(tup, 3);
+        }
+        {
+            std::tuple<char, int> tup = c.convert<char, ss::ax<int, 1>>("c,3");
+            CHECK_EQ(tup, std::make_tuple('c', 3));
+        }
+        {
+            std::tuple<int, char> tup = c.convert<ss::ax<int, 1>, char>("3,c");
+            CHECK_EQ(tup, std::make_tuple(3, 'c'));
+        }
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 TEST_CASE("converter test ss:nx restriction (none except)") {
     ss::converter c;
 
@@ -215,6 +425,40 @@ TEST_CASE("converter test ss:nx restriction (none except)") {
     }
 }
 
+TEST_CASE("converter test ss:nx restriction (none except) with exceptions") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::throw_on_error> c;
+
+    REQUIRE_EXCEPTION(c.convert<ss::nx<int, 1>>("3"));
+    REQUIRE_EXCEPTION(c.convert<char, ss::nx<int, 1, 2, 69>>("c,3"));
+    REQUIRE_EXCEPTION(c.convert<ss::nx<int, 1>, char>("3,c"));
+
+    try {
+        {
+            auto tup = c.convert<ss::nx<int, 3>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+        {
+            auto tup = c.convert<ss::nx<int, 0, 1, 2>>("2");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 2);
+        }
+        {
+            auto tup = c.convert<char, void, ss::nx<int, 0, 1, 2>>("c,junk,1");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, std::make_tuple('c', 1));
+        }
+        {
+            auto tup = c.convert<ss::nx<int, 1>, char>("1,c");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, std::make_tuple(1, 'c'));
+        }
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 TEST_CASE("converter test ss:ir restriction (in range)") {
     ss::converter c;
 
@@ -249,6 +493,40 @@ TEST_CASE("converter test ss:ir restriction (in range)") {
     }
 }
 
+TEST_CASE("converter test ss:ir restriction (in range) with exceptions") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::throw_on_error> c;
+
+    REQUIRE_EXCEPTION(c.convert<ss::ir<int, 0, 2>>("3"));
+    REQUIRE_EXCEPTION(c.convert<char, ss::ir<int, 4, 69>>("c,3"));
+    REQUIRE_EXCEPTION(c.convert<ss::ir<int, 1, 2>, char>("3,c"));
+
+    try {
+        {
+            auto tup = c.convert<ss::ir<int, 1, 5>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+        {
+            auto tup = c.convert<ss::ir<int, 0, 2>>("2");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 2);
+        }
+        {
+            auto tup = c.convert<char, void, ss::ir<int, 0, 1>>("c,junk,1");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, std::make_tuple('c', 1));
+        }
+        {
+            auto tup = c.convert<ss::ir<int, 1, 20>, char>("1,c");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, std::make_tuple(1, 'c'));
+        }
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 TEST_CASE("converter test ss:oor restriction (out of range)") {
     ss::converter c;
 
@@ -283,6 +561,38 @@ TEST_CASE("converter test ss:oor restriction (out of range)") {
     }
 }
 
+TEST_CASE("converter test ss:oor restriction (out of range) with exceptions") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::throw_on_error> c;
+
+    REQUIRE_EXCEPTION(c.convert<ss::oor<int, 1, 5>>("3"));
+    REQUIRE_EXCEPTION(c.convert<ss::oor<int, 0, 2>>("2"));
+    REQUIRE_EXCEPTION(c.convert<char, ss::oor<int, 0, 1>, void>("c,1,junk"));
+    REQUIRE_EXCEPTION(c.convert<ss::oor<int, 1, 20>, char>("1,c"));
+
+    try {
+        {
+            auto tup = c.convert<ss::oor<int, 0, 2>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+
+        {
+            auto tup = c.convert<char, void, ss::oor<int, 4, 69>>("c,junk,3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, std::make_tuple('c', 3));
+        }
+
+        {
+            auto tup = c.convert<ss::oor<int, 1, 2>, char>("3,c");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, std::make_tuple(3, 'c'));
+        }
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 const std::vector<int> extracted_vector = {1, 2, 3};
 
 // custom extract
@@ -331,6 +641,38 @@ TEST_CASE("converter test ss:ne restriction (not empty)") {
     }
 }
 
+TEST_CASE("converter test ss:ne restriction (not empty) with exceptions") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::throw_on_error> c;
+
+    REQUIRE_EXCEPTION(c.convert<ss::ne<std::string>>(""));
+    REQUIRE_EXCEPTION(c.convert<int, ss::ne<std::string>>("3,"));
+    REQUIRE_EXCEPTION(c.convert<ss::ne<std::string>, int>(",3"));
+    REQUIRE_EXCEPTION(c.convert<void, ss::ne<std::string>, int>("junk,,3"));
+    REQUIRE_EXCEPTION(c.convert<ss::ne<std::vector<int>>>(""));
+
+    try {
+        {
+            auto tup = c.convert<ss::ne<std::string>>("s");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, "s");
+        }
+        {
+            auto tup =
+                c.convert<std::optional<int>, ss::ne<std::string>>("1,s");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, std::make_tuple(1, "s"));
+        }
+        {
+            auto tup = c.convert<ss::ne<std::vector<int>>>("{1 2 3}");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, extracted_vector);
+        }
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 TEST_CASE(
     "converter test ss:lt ss::lte ss::gt ss::gte restriction (in range)") {
     ss::converter c;
@@ -390,6 +732,59 @@ TEST_CASE(
     }
 }
 
+TEST_CASE("converter test ss:lt ss::lte ss::gt ss::gte restriction (in range) "
+          "with exception") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::throw_on_error> c;
+
+    REQUIRE_EXCEPTION(c.convert<ss::lt<int, 3>>("3"));
+    REQUIRE_EXCEPTION(c.convert<ss::lt<int, 2>>("3"));
+    REQUIRE_EXCEPTION(c.convert<ss::gt<int, 3>>("3"));
+    REQUIRE_EXCEPTION(c.convert<ss::gt<int, 4>>("3"));
+    REQUIRE_EXCEPTION(c.convert<ss::lte<int, 2>>("3"));
+    REQUIRE_EXCEPTION(c.convert<ss::gte<int, 4>>("3"));
+
+    try {
+        {
+            auto tup = c.convert<ss::lt<int, 4>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+
+        {
+            auto tup = c.convert<ss::gt<int, 2>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+
+        {
+            auto tup = c.convert<ss::lte<int, 4>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+
+        {
+            auto tup = c.convert<ss::lte<int, 3>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+
+        {
+            auto tup = c.convert<ss::gte<int, 2>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+
+        {
+            auto tup = c.convert<ss::gte<int, 3>>("3");
+            REQUIRE(c.valid());
+            CHECK_EQ(tup, 3);
+        }
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 TEST_CASE("converter test error mode") {
     ss::converter<ss::string_error> c;
     c.convert<int>("junk");
@@ -397,6 +792,12 @@ TEST_CASE("converter test error mode") {
     CHECK_FALSE(c.error_msg().empty());
 }
 
+TEST_CASE("converter test throw on error mode") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::throw_on_error> c;
+    REQUIRE_EXCEPTION(c.convert<int>("junk"));
+}
+
 TEST_CASE("converter test converter with quotes spacing and escaping") {
     {
         ss::converter c;
@@ -444,6 +845,67 @@ TEST_CASE("converter test converter with quotes spacing and escaping") {
     }
 }
 
+TEST_CASE("converter test converter with quotes spacing and escaping with "
+          "exceptions") {
+    // TODO remove ss::string_error on all below
+    try {
+        ss::converter<ss::string_error, ss::throw_on_error> c;
+
+        auto tup = c.convert<std::string, std::string, std::string>(
+            R"("just","some","strings")");
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple("\"just\"", "\"some\"", "\"strings\""));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        ss::converter<ss::quote<'"'>> c;
+
+        auto tup = c.convert<std::string, std::string, double, char>(
+            buff(R"("just",some,"12.3","a")"));
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple("just", "some", 12.3, 'a'));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        ss::converter<ss::string_error, ss::throw_on_error, ss::trim<' '>> c;
+
+        auto tup = c.convert<std::string, std::string, double, char>(
+            buff(R"(    just  ,  some   ,  12.3 ,a     )"));
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple("just", "some", 12.3, 'a'));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        ss::converter<ss::string_error, ss::throw_on_error, ss::escape<'\\'>> c;
+
+        auto tup =
+            c.convert<std::string, std::string>(buff(R"(ju\,st,strings)"));
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple("ju,st", "strings"));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+
+    try {
+        ss::converter<ss::string_error, ss::throw_on_error, ss::escape<'\\'>,
+                      ss::trim<' '>, ss::quote<'"'>>
+            c;
+
+        auto tup = c.convert<std::string, std::string, double, std::string>(
+            buff(R"(  ju\,st  ,  "so,me"  ,   12.34     ,   "str""ings")"));
+        REQUIRE(c.valid());
+        CHECK_EQ(tup, std::make_tuple("ju,st", "so,me", 12.34, "str\"ings"));
+    } catch (ss::exception& e) {
+        FAIL(e.what());
+    }
+}
+
 TEST_CASE("converter test invalid split conversions") {
     ss::converter<ss::string_error, ss::escape<'\\'>, ss::trim<' '>,
                   ss::quote<'"'>>
@@ -451,7 +913,7 @@ TEST_CASE("converter test invalid split conversions") {
 
     {
         // mismatched quote
-        auto tup = c.convert<std::string, std::string, double, char>(
+        c.convert<std::string, std::string, double, char>(
             buff(R"(  "just  , some ,   "12.3","a"  )"));
         CHECK_FALSE(c.valid());
         CHECK_FALSE(c.unterminated_quote());
@@ -460,7 +922,7 @@ TEST_CASE("converter test invalid split conversions") {
 
     {
         // unterminated quote
-        auto tup = c.convert<std::string, std::string, double, std::string>(
+        c.convert<std::string, std::string, double, std::string>(
             buff(R"(  ju\,st  ,  "so,me"  ,   12.34     ,   "str""ings)"));
         CHECK_FALSE(c.valid());
         CHECK(c.unterminated_quote());
@@ -469,7 +931,7 @@ TEST_CASE("converter test invalid split conversions") {
 
     {
         // unterminated escape
-        auto tup = c.convert<std::string, std::string, double, std::string>(
+        c.convert<std::string, std::string, double, std::string>(
             buff(R"(just,some,2,strings\)"));
         CHECK_FALSE(c.valid());
         CHECK_FALSE(c.unterminated_quote());
@@ -478,7 +940,7 @@ TEST_CASE("converter test invalid split conversions") {
 
     {
         // unterminated escape while quoting
-        auto tup = c.convert<std::string, std::string, double, std::string>(
+        c.convert<std::string, std::string, double, std::string>(
             buff(R"(just,some,2,"strings\)"));
         CHECK_FALSE(c.valid());
         CHECK_FALSE(c.unterminated_quote());
@@ -487,10 +949,42 @@ TEST_CASE("converter test invalid split conversions") {
 
     {
         // unterminated escaped quote
-        auto tup = c.convert<std::string, std::string, double, std::string>(
+        c.convert<std::string, std::string, double, std::string>(
             buff(R"(just,some,2,"strings\")"));
         CHECK_FALSE(c.valid());
         CHECK(c.unterminated_quote());
         CHECK_FALSE(c.error_msg().empty());
     }
 }
+
+TEST_CASE("converter test invalid split conversions with exceptions") {
+    // TODO remove ss::string_error
+    ss::converter<ss::string_error, ss::escape<'\\'>, ss::trim<' '>,
+                  ss::quote<'"'>, ss::throw_on_error>
+        c;
+
+    // mismatched quote
+    REQUIRE_EXCEPTION(c.convert<std::string, std::string, double, char>(
+        buff(R"(  "just  , some ,   "12.3","a"  )")));
+    CHECK_FALSE(c.unterminated_quote());
+
+    // unterminated quote
+    REQUIRE_EXCEPTION(c.convert<std::string, std::string, double, std::string>(
+        buff(R"(  ju\,st  ,  "so,me"  ,   12.34     ,   "str""ings)")));
+    CHECK(c.unterminated_quote());
+
+    // unterminated escape
+    REQUIRE_EXCEPTION(c.convert<std::string, std::string, double, std::string>(
+        buff(R"(just,some,2,strings\)")));
+    CHECK_FALSE(c.unterminated_quote());
+
+    // unterminated escape while quoting
+    REQUIRE_EXCEPTION(c.convert<std::string, std::string, double, std::string>(
+        buff(R"(just,some,2,"strings\)")));
+    CHECK_FALSE(c.unterminated_quote());
+
+    // unterminated escaped quote
+    REQUIRE_EXCEPTION(c.convert<std::string, std::string, double, std::string>(
+        buff(R"(just,some,2,"strings\")")));
+    CHECK(c.unterminated_quote());
+}

test/test_helpers.hpp

@@ -79,3 +79,13 @@ struct buffer {
     }
 
 #define CHECK_NOT_VARIANT(var, type) CHECK(!std::holds_alternative<type>(var));
+// TODO remove
+#include <iostream>
+
+#define REQUIRE_EXCEPTION(...)                                                 \
+    try {                                                                      \
+        __VA_ARGS__;                                                           \
+        FAIL("Expected exception");                                            \
+    } catch (ss::exception & e) {                                              \
+        CHECK_FALSE(std::string{e.what()}.empty());                            \
+    }

test/test_splitter.cpp

@@ -525,10 +525,8 @@ TEST_CASE("splitter test error mode") {
             s.split(buff("just,some,strings"), "");
             FAIL("expected exception");
         } catch (ss::exception& e) {
-            CHECK_EQ(std::string{e.what()}, s.error_msg());
-            CHECK_FALSE(s.valid());
+            CHECK_FALSE(std::string{e.what()}.empty());
             CHECK_FALSE(s.unterminated_quote());
-            CHECK_FALSE(s.error_msg().empty());
         }
     }
 
@@ -1107,15 +1105,6 @@ TEST_CASE("splitter test invalid splits") {
     CHECK_FALSE(s.error_msg().empty());
 }
 
-#define CHECK_EXCEPTION(CLASS, OPERATION)                                      \
-    try {                                                                      \
-        OPERATION;                                                             \
-    } catch (ss::exception & e) {                                              \
-        CHECK_FALSE(CLASS.valid());                                            \
-        CHECK_FALSE(CLASS.error_msg().empty());                                \
-        CHECK_EQ(CLASS.error_msg(), std::string{e.what()});                    \
-    }
-
 TEST_CASE("splitter test invalid splits with exceptions") {
     ss::converter<ss::string_error, ss::quote<'"'>, ss::trim<' '>,
                   ss::escape<'\\'>, ss::throw_on_error>
@@ -1123,28 +1112,28 @@ TEST_CASE("splitter test invalid splits with exceptions") {
     auto& s = c.splitter;
 
     // empty delimiter
-    CHECK_EXCEPTION(s, s.split(buff("some,random,strings"), ""));
+    REQUIRE_EXCEPTION(s.split(buff("some,random,strings"), ""));
     CHECK_FALSE(s.unterminated_quote());
 
     // mismatched delimiter
-    CHECK_EXCEPTION(s, s.split(buff(R"(some,"random,"strings")")));
+    REQUIRE_EXCEPTION(s.split(buff(R"(some,"random,"strings")")));
     CHECK_FALSE(s.unterminated_quote());
 
     // unterminated escape
-    CHECK_EXCEPTION(s, s.split(buff(R"(some,random,strings\)")));
+    REQUIRE_EXCEPTION(s.split(buff(R"(some,random,strings\)")));
     CHECK_FALSE(s.unterminated_quote());
 
     // unterminated escape
-    CHECK_EXCEPTION(s, s.split(buff(R"(some,random,"strings\)")));
+    REQUIRE_EXCEPTION(s.split(buff(R"(some,random,"strings\)")));
     CHECK_FALSE(s.unterminated_quote());
 
     // unterminated quote
-    CHECK_EXCEPTION(s, s.split(buff("some,random,\"strings")));
+    REQUIRE_EXCEPTION(s.split(buff("some,random,\"strings")));
     CHECK(s.unterminated_quote());
 
     // invalid resplit
     char new_line[] = "some";
-    CHECK_EXCEPTION(s, c.resplit(new_line, strlen(new_line)));
+    REQUIRE_EXCEPTION(c.resplit(new_line, strlen(new_line)));
     CHECK_FALSE(s.unterminated_quote());
 }
 
@@ -1248,4 +1237,3 @@ TEST_CASE("splitter test with quote and escape, trim_left and trim_right") {
                           ss::trim_right<'-'>>(p, delims);
     }
 }
-