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std.Io.Threaded: handle -fsingle-threaded in unit tests

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This commit is contained in:
Andrew Kelley 2025-10-28 18:43:47 -07:00
parent 1c0a8b8fe4
commit b863f2548b
2 changed files with 20 additions and 3 deletions
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16
lib/std/Io/Threaded/test.zig
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@ -1,3 +1,5 @@
const builtin = @import("builtin");
const std = @import("std");
const Io = std.Io;
const testing = std.testing;
@ -12,7 +14,12 @@ test "concurrent vs main prevents deadlock via oversubscription" {
var queue: Io.Queue(u8) = .init(&.{});
var putter = try io.concurrent(put, .{ io, &queue });
var putter = io.concurrent(put, .{ io, &queue }) catch |err| switch (err) {
error.ConcurrencyUnavailable => {
try testing.expect(builtin.single_threaded);
return;
},
};
defer putter.cancel(io);
try testing.expectEqual(42, queue.getOneUncancelable(io));
@ -35,7 +42,12 @@ test "concurrent vs concurrent prevents deadlock via oversubscription" {
var queue: Io.Queue(u8) = .init(&.{});
var putter = try io.concurrent(put, .{ io, &queue });
var putter = io.concurrent(put, .{ io, &queue }) catch |err| switch (err) {
error.ConcurrencyUnavailable => {
try testing.expect(builtin.single_threaded);
return;
},
};
defer putter.cancel(io);
var getter = try io.concurrent(get, .{ io, &queue });

7
lib/std/Io/test.zig
View File

@ -177,7 +177,12 @@ test "select" {
var queue: Io.Queue(u8) = .init(&.{});
var get_a = try io.concurrent(Io.Queue(u8).getOne, .{ &queue, io });
var get_a = io.concurrent(Io.Queue(u8).getOne, .{ &queue, io }) catch |err| switch (err) {
error.ConcurrencyUnavailable => {
try testing.expect(builtin.single_threaded);
return;
},
};
defer if (get_a.cancel(io)) |_| @panic("fail") else |err| assert(err == error.Canceled);
var get_b = try io.concurrent(Io.Queue(u8).getOne, .{ &queue, io });