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add std.testing.io

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This commit is contained in:
Andrew Kelley 2025-07-19 22:10:27 -07:00
parent 84d60404be
commit d801a71d29
2 changed files with 10 additions and 9 deletions
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16
lib/compiler/test_runner.zig
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@ -12,7 +12,7 @@ pub const std_options: std.Options = .{
};
var log_err_count: usize = 0;
var fba = std.heap.FixedBufferAllocator.init(&fba_buffer);
var fba: std.heap.FixedBufferAllocator = .init(&fba_buffer);
var fba_buffer: [8192]u8 = undefined;
var stdin_buffer: [4096]u8 = undefined;
var stdout_buffer: [4096]u8 = undefined;
@ -131,6 +131,7 @@ fn mainServer() !void {
.run_test => {
testing.allocator_instance = .{};
testing.io_instance = .init(fba.allocator());
log_err_count = 0;
const index = try server.receiveBody_u32();
const test_fn = builtin.test_functions[index];
@ -152,6 +153,8 @@ fn mainServer() !void {
break :s .fail;
},
};
testing.io_instance.deinit();
fba.reset();
const leak_count = testing.allocator_instance.detectLeaks();
testing.allocator_instance.deinitWithoutLeakChecks();
try server.serveTestResults(.{
@ -228,18 +231,13 @@ fn mainTerminal() void {
});
const have_tty = std.fs.File.stderr().isTty();
var async_frame_buffer: []align(builtin.target.stackAlignment()) u8 = undefined;
// TODO this is on the next line (using `undefined` above) because otherwise zig incorrectly
// ignores the alignment of the slice.
async_frame_buffer = &[_]u8{};
var leaks: usize = 0;
for (test_fn_list, 0..) |test_fn, i| {
testing.allocator_instance = .{};
testing.io_instance = .init(fba.allocator());
defer {
if (testing.allocator_instance.deinit() == .leak) {
leaks += 1;
}
if (testing.allocator_instance.deinit() == .leak) leaks += 1;
testing.io_instance.deinit();
}
testing.log_level = .warn;

3
lib/std/testing.zig
View file

@ -28,6 +28,9 @@ pub var allocator_instance: std.heap.GeneralPurposeAllocator(.{
break :b .init;
};
pub var io_instance: std.Io.ThreadPool = undefined;
pub const io = io_instance.io();
/// TODO https://github.com/ziglang/zig/issues/5738
pub var log_level = std.log.Level.warn;