From 4c116841840bfa7f0068bef23984dd832da8a54d Mon Sep 17 00:00:00 2001
From: Jon-Eric Cook <joneric.cook@gmail.com>
Date: Sat, 28 Jan 2023 08:26:36 -0800
Subject: std.json: check output and source lengths in `std.json`

---
 lib/std/json/test.zig | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/std/json')

diff --git a/lib/std/json/test.zig b/lib/std/json/test.zig
index 2a590fdf15..0bf0797587 100644
--- a/lib/std/json/test.zig
+++ b/lib/std/json/test.zig
@@ -2238,6 +2238,12 @@ test "parse into struct with no fields" {
     try testing.expectEqual(T{}, try parse(T, &ts, ParseOptions{}));
 }
 
+test "parse into struct where destination and source lengths mismatch" {
+    const T = struct { a: [2]u8 };
+    var ts = TokenStream.init("{\"a\": \"bbb\"}");
+    try testing.expectError(error.LengthMismatch, parse(T, &ts, ParseOptions{}));
+}
+
 test "parse into struct with misc fields" {
     @setEvalBranchQuota(10000);
     const options = ParseOptions{ .allocator = testing.allocator };
-- 
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