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Add BufWriter::buffer method #55211

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Merged
merged 4 commits into from
Nov 15, 2018
Merged

Add BufWriter::buffer method #55211

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7eece47
Add BufWriter::buffer method
fintelia Oct 19, 2018
07d966d
Add some tests
fintelia Oct 27, 2018
40e4144
Suggested edits
fintelia Nov 1, 2018
59a0309
Fix compile errors in test
fintelia Nov 1, 2018
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Fix compile errors in test
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@fintelia
fintelia committed Nov 2, 2018
commit 59a030916b8f1173c99f874365533574fa6314a9
18 changes: 9 additions & 9 deletions src/libstd/io/buffered.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1098,40 +1098,40 @@ mod tests {

writer.write(&[0, 1]).unwrap();
assert_eq!(writer.buffer(), []);
assert_eq!(writer.get_ref(), [0, 1]);
assert_eq!(*writer.get_ref(), [0, 1]);

writer.write(&[2]).unwrap();
assert_eq!(writer.buffer(), [2]);
assert_eq!(writer.get_ref(), [0, 1]);
assert_eq!(*writer.get_ref(), [0, 1]);

writer.write(&[3]).unwrap();
assert_eq!(writer.buffer(), [2, 3]);
assert_eq!(writer.get_ref(), [0, 1]);
assert_eq!(*writer.get_ref(), [0, 1]);

writer.flush().unwrap();
assert_eq!(writer.buffer(), []);
assert_eq!(writer.get_ref(), [0, 1, 2, 3]);
assert_eq!(*writer.get_ref(), [0, 1, 2, 3]);

writer.write(&[4]).unwrap();
writer.write(&[5]).unwrap();
assert_eq!(writer.buffer(), [4, 5]);
assert_eq!(writer.get_ref(), [0, 1, 2, 3]);
assert_eq!(*writer.get_ref(), [0, 1, 2, 3]);

writer.write(&[6]).unwrap();
assert_eq!(writer.buffer(), [6]);
assert_eq!(writer.get_ref(), [0, 1, 2, 3, 4, 5]);
assert_eq!(*writer.get_ref(), [0, 1, 2, 3, 4, 5]);

writer.write(&[7, 8]).unwrap();
assert_eq!(writer.buffer(), []);
assert_eq!(writer.get_ref(), [0, 1, 2, 3, 4, 5, 6, 7, 8]);
assert_eq!(*writer.get_ref(), [0, 1, 2, 3, 4, 5, 6, 7, 8]);

writer.write(&[9, 10, 11]).unwrap();
assert_eq!(writer.buffer(), []);
assert_eq!(writer.get_ref(), [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);
assert_eq!(*writer.get_ref(), [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);

writer.flush().unwrap();
assert_eq!(writer.buffer(), []);
assert_eq!(writer.get_ref(), [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);
assert_eq!(*writer.get_ref(), [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);
}

#[test]
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