From 11b1678e0e4431a44a7674df3a83d20693d8aa9c Mon Sep 17 00:00:00 2001
From: Luuk Machielse <luuk.machielse@gmail.com>
Date: Sat, 11 Oct 2025 09:37:16 +0200
Subject: [PATCH] Moved `Zip` and `Empty` unit tests to `Iterator(T).zip` and
 `Iter(T).empty

---
 src/root.zig | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/src/root.zig b/src/root.zig
index e994e9a..3102e6f 100644
--- a/src/root.zig
+++ b/src/root.zig
@@ -23,6 +23,14 @@ pub fn Iter(comptime T: type) type {
         pub fn empty() Iterator(Empty(T)) {
             return .{ .inner = .{} };
         }
+
+        test empty {
+            const testing = @import("std").testing;
+
+            var it = Iter(i32).empty();
+
+            try testing.expectEqual(null, it.next());
+        }
     };
 }
 
@@ -157,6 +165,14 @@ pub fn Iterator(comptime Inner: type) type {
             return .{ .inner = .{ .a = self.inner, .b = other.inner } };
         }
 
+        test zip {
+            const testing = @import("std").testing;
+
+            var it = Iter(i32).once(10).zip(Iter(i32).once(20));
+
+            try testing.expectEqualDeep(struct { i32, i32 }{ 10, 20 }, it.next().?);
+        }
+
         pub fn toOwnedSlice(self: Self, gpa: std.mem.Allocator) ![]const Item {
             var list: std.ArrayList(Item) = .empty;
             errdefer list.deinit(gpa);
@@ -300,14 +316,6 @@ pub const adapters = struct {
             }
         };
     }
-
-    test Zip {
-        const testing = @import("std").testing;
-
-        var it = Iter(i32).once(10).zip(Iter(i32).once(20));
-
-        try testing.expectEqualDeep(struct { i32, i32 }{ 10, 20 }, it.next().?);
-    }
 };
 
 pub fn Range(comptime T: type) type {
@@ -402,11 +410,3 @@ pub fn Empty(comptime T: type) type {
         }
     };
 }
-
-test Empty {
-    const testing = @import("std").testing;
-
-    var it = Iter(i32).empty();
-
-    try testing.expectEqual(null, it.next());
-}