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29 lines
614 B
Plaintext
29 lines
614 B
Plaintext
module std::io::bytebuffer @test;
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import std::io;
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fn void write_read()
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{
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ByteBuffer buffer;
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buffer.init(mem, 0);
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defer buffer.free();
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buffer.write("hello")!!;
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char[8] bytes;
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usz n = buffer.read(bytes[..])!!;
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assert(n == 5);
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assert((String)bytes[:n] == "hello");
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buffer.write("hello world")!!;
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n = buffer.read(bytes[..])!!;
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assert(n == bytes.len);
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assert((String)bytes[:n] == "hello wo");
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assert(buffer.read_idx == 1);
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char c = buffer.read_byte()!!;
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assert(c == 'r');
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buffer.pushback_byte()!!;
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n = buffer.read(bytes[..])!!;
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assert((String)bytes[:n] == "rld");
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assert(buffer.read_idx == 1);
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} |