From 236332f9bfd9cb0688815142237f299939b2d80a Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Fri, 20 Feb 2026 21:03:57 +0900
Subject: feat: add parsing tests

---
 tests/JSONTestSuite      |  1 +
 tests/json_test_suite.rs | 71 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)
 create mode 160000 tests/JSONTestSuite
 create mode 100644 tests/json_test_suite.rs

(limited to 'tests')

diff --git a/tests/JSONTestSuite b/tests/JSONTestSuite
new file mode 160000
index 0000000..1ef36fa
--- /dev/null
+++ b/tests/JSONTestSuite
@@ -0,0 +1 @@
+Subproject commit 1ef36fa01286573e846ac449e8683f8833c5b26a
diff --git a/tests/json_test_suite.rs b/tests/json_test_suite.rs
new file mode 100644
index 0000000..7bb67f4
--- /dev/null
+++ b/tests/json_test_suite.rs
@@ -0,0 +1,71 @@
+#[test]
+fn y_json_files_should_be_valid() {
+    let test_suite_dir: std::path::PathBuf = [
+        env!("CARGO_MANIFEST_DIR"),
+        "tests",
+        "JSONTestSuite",
+        "test_parsing",
+    ]
+    .iter()
+    .collect();
+
+    for entry in std::fs::read_dir(&test_suite_dir).expect("failed to read test suite directory") {
+        let entry = entry.expect("failed to read directory entry");
+        let path = entry.path();
+        let name = path.file_name().unwrap().to_string_lossy();
+        if !name.starts_with("y_") || !name.ends_with(".json") {
+            continue;
+        }
+
+        let input = std::fs::read(&path).expect("failed to read file");
+        let mut output = Vec::new();
+        let result = reparojson::repair(&input[..], &mut output);
+
+        assert!(
+            matches!(result, Ok(reparojson::RepairOk::Valid)),
+            "{}: expected valid JSON, but {:?}",
+            name,
+            result
+        );
+        assert_eq!(input, output, "{name}: output differs from input");
+    }
+}
+
+#[test]
+fn n_json_files_should_be_invalid() {
+    let test_suite_dir: std::path::PathBuf = [
+        env!("CARGO_MANIFEST_DIR"),
+        "tests",
+        "JSONTestSuite",
+        "test_parsing",
+    ]
+    .iter()
+    .collect();
+
+    for entry in std::fs::read_dir(&test_suite_dir).expect("failed to read test suite directory") {
+        let entry = entry.expect("failed to read directory entry");
+        let path = entry.path();
+        let name = path.file_name().unwrap().to_string_lossy();
+        if !name.starts_with("n_") || !name.ends_with(".json") {
+            continue;
+        }
+
+        // Skip test cases that cause stack overflow.
+        if *name == *"n_structure_100000_opening_arrays.json"
+            || *name == *"n_structure_open_array_object.json"
+        {
+            continue;
+        }
+
+        let input = std::fs::read(&path).expect("failed to read file");
+        let mut output = Vec::new();
+        let result = reparojson::repair(&input[..], &mut output);
+
+        assert!(
+            !matches!(result, Ok(reparojson::RepairOk::Valid)),
+            "{}: expected invalid JSON, but {:?}",
+            name,
+            result
+        );
+    }
+}
-- 
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