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fix the comments of test bitmap (#1516)

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Gary Yu 2018-09-12 23:16:13 +08:00 committed by Antioch Peverell
parent dca0d52dcd
commit 1db1a02934
1 changed files with 4 additions and 4 deletions
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8
store/tests/test_bitmap.rs
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@ -57,8 +57,8 @@ fn test_a_small_bitmap() {
let serialized_buffer = bitmap.serialize();
// we can store 3 pos in a roaring bitmap in 22 bytes
// this is compared to storing them as a vec of u64 values which would be 8 * 3
// = 32 bytes
// this is compared to storing them as a vec of u32 values which would be 4 * 3
// = 12 bytes
assert_eq!(serialized_buffer.len(), 22);
}
@ -88,8 +88,8 @@ fn test_a_big_bitmap() {
let mut bitmap: Bitmap = (1..1_000_000).collect();
let serialized_buffer = bitmap.serialize();
// we can also store 1,000 pos in 2,014 bytes
// a vec of u64s here would be 8,000 bytes
// we can also store 1,000,000 pos in 131,208 bytes
// a vec of u32s here would be 4,000,000 bytes
assert_eq!(serialized_buffer.len(), 131_208);
// but note we can optimize this heavily to get down to 230 bytes...