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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,
};
var buf: [1024]u8 = undefined;
while (true) {
const data = try gen.next(&buf);
writer.writeAll(data) 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);
}
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