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child process test: preemptively use streaming mode
works around #24984
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@ -32,7 +32,7 @@ pub fn main() !void {
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const hello_stdout = "hello from stdout";
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var buf: [hello_stdout.len]u8 = undefined;
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var stdout_reader = child.stdout.?.reader(&.{});
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var stdout_reader = child.stdout.?.readerStreaming(&.{});
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const n = try stdout_reader.interface.readSliceShort(&buf);
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if (!std.mem.eql(u8, buf[0..n], hello_stdout)) {
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testError("child stdout: '{s}'; want '{s}'", .{ buf[0..n], hello_stdout });
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