1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/libghostty-vt/src/synthetic/cli/Utf8.zig b/vendor/libghostty-vt/src/synthetic/cli/Utf8.zig
new file mode 100644
index 00000000..63570475
--- /dev/null
+++ b/vendor/libghostty-vt/src/synthetic/cli/Utf8.zig
@@ -0,0 +1,58 @@
+const Utf8 = @This();
+
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const synthetic = @import("../main.zig");
+
+const log = std.log.scoped(.@"terminal-stream-bench");
+
+pub const Options = struct {};
+
+/// Create a new terminal stream handler for the given arguments.
+pub fn create(
+    alloc: Allocator,
+    _: Options,
+) !*Utf8 {
+    const ptr = try alloc.create(Utf8);
+    errdefer alloc.destroy(ptr);
+    return ptr;
+}
+
+pub fn destroy(self: *Utf8, alloc: Allocator) void {
+    alloc.destroy(self);
+}
+
+pub fn run(self: *Utf8, writer: *std.Io.Writer, rand: std.Random) !void {
+    _ = self;
+
+    var gen: synthetic.Utf8 = .{
+        .rand = rand,
+    };
+
+    while (true) {
+        gen.next(writer, 1024) catch |err| {
+            const Error = error{ WriteFailed, BrokenPipe } || @TypeOf(err);
+            switch (@as(Error, err)) {
+                error.BrokenPipe => return, // stdout closed
+                error.WriteFailed => return, // fixed buffer full
+                else => return err,
+            }
+        };
+    }
+}
+
+test Utf8 {
+    const testing = std.testing;
+    const alloc = testing.allocator;
+
+    const impl: *Utf8 = try .create(alloc, .{});
+    defer impl.destroy(alloc);
+
+    var prng = std.Random.DefaultPrng.init(1);
+    const rand = prng.random();
+
+    var buf: [1024]u8 = undefined;
+    var writer: std.Io.Writer = .fixed(&buf);
+    try impl.run(&writer, rand);
+}