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1 files changed, 109 insertions, 0 deletions

diff --git a/llama.cpp/tests/peg-parser/test-json-parser.cpp b/llama.cpp/tests/peg-parser/test-json-parser.cpp
new file mode 100644
index 0000000..48351cd
--- /dev/null
+++ b/llama.cpp/tests/peg-parser/test-json-parser.cpp
@@ -0,0 +1,109 @@
+#include "tests.h"
+
+void test_json_parser(testing &t) {
+    // Test parsing a simple JSON object
+    t.test("simple JSON object parsing", [](testing &t) {
+        auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
+
+        std::string    input = R"({"name": "test", "value": 42, "flag": true})";
+        common_peg_parse_context ctx(input);
+
+        auto result = json.parse(ctx);
+
+        t.assert_equal("result_is_success", true, result.success());
+        t.assert_equal("result_end", input.size(), result.end);
+    });
+
+    // Test parsing a JSON array with mixed types
+    t.test("JSON array with mixed types", [](testing &t) {
+        auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
+
+        std::string    input = R"([1, "hello", true, null, 3.14])";
+        common_peg_parse_context ctx(input);
+
+        auto result = json.parse(ctx);
+
+        t.assert_equal("result_is_success", true, result.success());
+        t.assert_equal("result_end", input.size(), result.end);
+    });
+
+    // Test parsing nested JSON with objects and arrays
+    t.test("nested JSON with objects and arrays", [](testing &t) {
+        auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
+
+        std::string input =
+            R"({"users": [{"id": 1, "name": "Alice"}, {"id": 2, "name": "Bob"}], "count": 2, "metadata": {"version": "1.0", "tags": ["admin", "user"]}})";
+        common_peg_parse_context ctx(input);
+
+        auto result = json.parse(ctx);
+
+        t.assert_equal("result_is_success", true, result.success());
+        t.assert_equal("result_end", input.size(), result.end);
+    });
+
+    // Test need_more_input() parsing - incomplete object
+    t.test("need_more_input() parsing - incomplete object", [](testing &t) {
+        auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
+
+        std::string    input = R"({"name": "test", "value": )";
+        common_peg_parse_context ctx(input, true);
+
+        auto result = json.parse(ctx);
+
+        t.assert_equal("result_is_need_more_input", true, result.need_more_input());
+    });
+
+    // Test need_more_input() parsing - incomplete array
+    t.test("need_more_input() parsing - incomplete array", [](testing &t) {
+        auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
+
+        std::string    input = R"([1, 2, 3, )";
+        common_peg_parse_context ctx(input, true);
+
+        auto result = json.parse(ctx);
+
+        t.assert_equal("result_is_need_more_input", true, result.need_more_input());
+    });
+
+    // Test need_more_input() parsing - incomplete nested structure
+    t.test("need_more_input() parsing - incomplete nested structure", [](testing &t) {
+        auto json = build_peg_parser([](common_peg_parser_builder & p) { return p.json(); });
+
+        std::string    input = R"({"data": {"nested": )";
+        common_peg_parse_context ctx(input, true);
+
+        auto result = json.parse(ctx);
+
+        t.assert_equal("result_is_need_more_input", true, result.need_more_input());
+    });
+
+    t.test("object member", [](testing &t) {
+        auto parser = build_peg_parser([](common_peg_parser_builder & p) {
+            return p.json_member("name", "\"" + p.chars("[a-z]") + "\"");
+        });
+
+        t.test("success", [&](testing &t) {
+            std::string input = R"("name": "bob")";
+            common_peg_parse_context ctx(input, false);
+
+            auto result = parser.parse(ctx);
+            t.assert_true("success", result.success());
+        });
+
+        t.test("partial", [&](testing &t) {
+            std::string input = R"("name": "bo)";
+            common_peg_parse_context ctx(input, true);
+
+            auto result = parser.parse(ctx);
+            t.assert_true("need more input", result.need_more_input());
+        });
+
+        t.test("failed", [&](testing &t) {
+            std::string input = R"([])";
+            common_peg_parse_context ctx(input, false);
+
+            auto result = parser.parse(ctx);
+            t.assert_true("fail", result.fail());
+        });
+    });
+}