31 lines
949 B
Plaintext
31 lines
949 B
Plaintext
//ww:run-exit 55
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// Migrated from 778_bufio_vstream_run row stream_unread.
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package main;
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import bufio;
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import memio;
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import io;
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export fn main() i32 = {
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let raw: [4]u8;
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raw[0]=88u8; raw[1]=89u8; raw[2]=90u8;
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let mst: memio.stream = memio.dynamicfrom(raw[0:3]);
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let vs: io.stream = &mst.vt;
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let rbuf: [4]u8;
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let wbuf: [4]u8;
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let b: bufio.stream = bufio.newstream(vs, rbuf[0:4], wbuf[0:4]);
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let bvs: io.stream = &b.vt;
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let out: [4]u8;
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let rd = io.read(bvs, out[0:3]);
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let n: size = 0;
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if (rd is size) { n = rd as size; };
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if (n != 3: size || out[0] != 88u8 || out[2] != 90u8) { return 81; };
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let push: [2]u8;
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push[0]=88u8; push[1]=89u8;
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bufio.unread(&b, push[0:2]);
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let out2: [2]u8;
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let rd2 = io.read(bvs, out2[0:2]);
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let n2: size = 0;
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if (rd2 is size) { n2 = rd2 as size; };
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if (n2 != 2: size || out2[0] != 88u8 || out2[1] != 89u8) { return 82; };
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return 55;
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};
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