zig

commit 759b0fe00a5c58d498f758dcafe1abb20f6c40b6 (tree)
parent 80ae27bc844ce7fe18bc686ce4befa24ab0f86bb
Author: travisstaloch <twostepted@gmail.com>
Date:   Sat, 23 Sep 2023 13:25:57 -0700

std.testing: expectEqualDeep() - support self-referential structs


Diffstat:
M
lib/std/testing.zig
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/std/testing.zig b/lib/std/testing.zig
@@ -691,8 +691,9 @@ pub fn expectStringEndsWith(actual: []const u8, expected_ends_with: []const u8) 
 /// Container types(like Array/Slice/Vector) deeply equal when their corresponding elements are deeply equal.
 /// Pointer values are deeply equal if values they point to are deeply equal.
 ///
-/// Note: Self-referential structs are not supported (e.g. things like std.SinglyLinkedList)
-pub fn expectEqualDeep(expected: anytype, actual: @TypeOf(expected)) !void {
+/// Note: Self-referential structs are supported (e.g. things like std.SinglyLinkedList)
+/// but may cause infinite recursion or stack overflow when a container has a pointer to itself.
+pub fn expectEqualDeep(expected: anytype, actual: @TypeOf(expected)) error{TestExpectedEqual}!void {
     switch (@typeInfo(@TypeOf(actual))) {
         .NoReturn,
         .Opaque,