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95 lines
2.1 KiB
Plaintext
95 lines
2.1 KiB
Plaintext
module std::io @test;
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const DATA = "Lorem ipsum blandit.";
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fn void readbuffer_large()
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{
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ByteReader src;
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src.init(DATA);
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char[DATA.len] buf;
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ReadBuffer reader_buf;
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reader_buf.init(&src, buf[..]);
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char[DATA.len] bytes;
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usz n = reader_buf.read(bytes[..])!!;
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assert(n == DATA.len, "large read failed: got %d; want %d", n, DATA.len);
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String got = (String)bytes[..];
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assert(got == DATA, "large read failed: got %s; want %s", got, DATA);
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}
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fn void readbuffer()
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{
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ByteReader src;
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src.init(DATA);
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char[3] buf;
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ReadBuffer reader_buf;
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reader_buf.init(&src, buf[..]);
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ByteWriter bw;
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bw.tinit();
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usz n = io::copy_to(&reader_buf, &bw)!!;
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assert(n == DATA.len, "got %d; want %d", n, DATA.len);
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String got = bw.str_view();
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assert(got == DATA, "got %s; want %s", got, DATA);
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}
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fn void writebuffer_large()
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{
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ByteWriter out;
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out.tinit();
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char[16] buf;
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WriteBuffer write_buf;
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write_buf.init(&out, buf[..]);
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usz n = write_buf.write(DATA)!!;
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assert(n == DATA.len, "large write failed: got %d; want %d", n, DATA.len);
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String got = out.str_view();
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assert(got == DATA, "large write failed: got %s; want %s", got, DATA);
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}
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fn void writebuffer()
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{
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ByteReader br;
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br.init(DATA);
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ByteWriter out;
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out.tinit();
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char[3] buf;
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WriteBuffer write_buf;
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write_buf.init(&out, buf[..]);
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usz n = io::copy_to(&br, &write_buf)!!;
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assert(n == DATA.len, "got %d; want %d", n, DATA.len);
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String got = out.str_view();
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assert(got == DATA, "got %s; want %s", got, DATA);
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}
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fn void writebuffer_write_byte()
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{
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ByteWriter out;
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out.tinit();
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char[2] buf;
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WriteBuffer write_buf;
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write_buf.init(&out, buf[..]);
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write_buf.write_byte('a')!!;
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assert(write_buf.str_view() == "a");
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assert(out.str_view() == "");
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write_buf.write_byte('b')!!;
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assert(write_buf.str_view() == "ab");
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assert(out.str_view() == "");
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write_buf.write_byte('c')!!;
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assert(write_buf.str_view() == "c");
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assert(out.str_view() == "ab");
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write_buf.flush()!!;
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assert(write_buf.str_view() == "");
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assert(out.str_view() == "abc");
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}
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