1 files changed, 28 insertions, 0 deletions
diff --git a/llama.cpp/tests/peg-parser/test-json-serialization.cpp b/llama.cpp/tests/peg-parser/test-json-serialization.cpp
new file mode 100644
index 0000000..a858010
--- /dev/null
+++ b/llama.cpp/tests/peg-parser/test-json-serialization.cpp
@@ -0,0 +1,28 @@
+#include "tests.h"
+
+void test_json_serialization(testing &t) {
+    auto original = build_peg_parser([](common_peg_parser_builder & p) {
+        return "<tool_call>" + p.json() + "</tool_call>";
+    });
+
+    auto json_serialized = original.to_json().dump();
+
+    t.test("compare before/after", [&](testing &t) {
+        auto deserialized = common_peg_arena::from_json(nlohmann::json::parse(json_serialized));
+
+        // Test complex JSON
+        std::string input = R"({"name": "test", "values": [1, 2, 3], "nested": {"a": true}})";
+        common_peg_parse_context ctx1(input);
+        common_peg_parse_context ctx2(input);
+
+        auto result1 = original.parse(ctx1);
+        auto result2 = deserialized.parse(ctx2);
+
+        t.assert_equal("both_succeed", result1.success(), result2.success());
+        t.assert_equal("same_end_pos", result1.end, result2.end);
+    });
+
+    t.bench("deserialize", [&]() {
+        auto deserialized = common_peg_arena::from_json(nlohmann::json::parse(json_serialized));
+    }, 100);
+}