✅ improve coverage

test/src/unit-bon8.cpp

@@ -38,6 +38,84 @@ using nlohmann::json;
 #include <test_data.hpp>
 #include "test_utils.hpp"
 
+namespace
+{
+class SaxCountdown
+{
+  public:
+    explicit SaxCountdown(const int count) : events_left(count)
+    {}
+
+    bool null()
+    {
+        return events_left-- > 0;
+    }
+
+    bool boolean(bool /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool number_integer(json::number_integer_t /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool number_unsigned(json::number_unsigned_t /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool number_float(json::number_float_t /*unused*/, const std::string& /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool string(std::string& /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool binary(std::vector<std::uint8_t>& /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool start_object(std::size_t /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool key(std::string& /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool end_object()
+    {
+        return events_left-- > 0;
+    }
+
+    bool start_array(std::size_t /*unused*/)
+    {
+        return events_left-- > 0;
+    }
+
+    bool end_array()
+    {
+        return events_left-- > 0;
+    }
+
+    bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const json::exception& /*unused*/) // NOLINT(readability-convert-member-functions-to-static)
+    {
+        return false;
+    }
+
+  private:
+    int events_left = 0;
+};
+} // namespace
+
 TEST_CASE("BON8")
 {
     SECTION("individual values")
@@ -732,4 +810,42 @@ TEST_CASE("BON8")
             }
         }
     }
+
+    SECTION("SAX aborts")
+    {
+        SECTION("start_array(len)")
+        {
+            std::vector<uint8_t> v = {0x80};
+            SaxCountdown scp(0);
+            CHECK(!json::sax_parse(v, &scp, json::input_format_t::bon8));
+        }
+
+        SECTION("error in array")
+        {
+            std::vector<uint8_t> v = {0x81};
+            SaxCountdown scp(1000);
+            CHECK(!json::sax_parse(v, &scp, json::input_format_t::bon8));
+        }
+
+        SECTION("start_object(len)")
+        {
+            std::vector<uint8_t> v = {0x86};
+            SaxCountdown scp(0);
+            CHECK(!json::sax_parse(v, &scp, json::input_format_t::bon8));
+        }
+
+        SECTION("key()")
+        {
+            std::vector<uint8_t> v = {0x87, 'f', 'o', 'o', 0xFF, 0xFA};
+            SaxCountdown scp(1);
+            CHECK(!json::sax_parse(v, &scp, json::input_format_t::bon8));
+        }
+
+        SECTION("error in object")
+        {
+            std::vector<uint8_t> v = {0x87, 'f', 'o', 'o', 0xFF};
+            SaxCountdown scp(1000);
+            CHECK(!json::sax_parse(v, &scp, json::input_format_t::bon8));
+        }
+    }
 }