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c3c/test/unit/stdlib/io/limitreader.c3
2025-01-09 20:33:53 +01:00

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module std::io @test;
fn void limitreader()
{
const DATA = "Hello World!";
ByteReader src;
src.init(DATA);
const LIMIT = 5;
LimitReader lmr;
lmr.init(&src, LIMIT);
char[DATA.len] bytes;
usz n = lmr.read(bytes[..])!!;
assert(n == LIMIT, "got %d; want %d", n, LIMIT);
String got = (String)bytes[:n];
String want = DATA[:LIMIT];
assert(got == want, "got %d; want %d", got, want);
}