From 6734d2117e3520c1ef011609d0e2b2dd131a80aa Mon Sep 17 00:00:00 2001
From: Ian Johnson <ian@ianjohnson.dev>
Date: Mon, 2 Oct 2023 23:29:29 -0400
Subject: [PATCH] Add behavior test for empty tuple type

Closes #16412
---
 test/behavior/tuple.zig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/test/behavior/tuple.zig b/test/behavior/tuple.zig
index 57c1c920e7..48c24f26d6 100644
--- a/test/behavior/tuple.zig
+++ b/test/behavior/tuple.zig
@@ -465,3 +465,15 @@ test "coerce anon tuple to tuple" {
     try expectEqual(x, s[0]);
     try expectEqual(y, s[1]);
 }
+
+test "empty tuple type" {
+    const S = @Type(.{ .Struct = .{
+        .layout = .Auto,
+        .fields = &.{},
+        .decls = &.{},
+        .is_tuple = true,
+    } });
+
+    const s: S = .{};
+    try expect(s.len == 0);
+}