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[thin_shrink] add unit tests for build_remaps

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This commit is contained in:
Joe Thornber 2020-07-06 11:44:49 +01:00
parent 470d0b7532
commit 19138dbd81
1 changed files with 41 additions and 0 deletions
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41
src/shrink/toplevel.rs
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@ -253,6 +253,47 @@ fn build_remaps(ranges: Vec<BlockRange>, free: Vec<BlockRange>) -> Vec<(BlockRan
remap
}
#[test]
fn test_build_remaps() {
struct Test {
ranges: Vec<BlockRange>,
free: Vec<BlockRange>,
result: Vec<(BlockRange, BlockRange)>,
}
let tests = vec![
Test {
ranges: vec![],
free: vec![],
result: vec![],
},
Test {
ranges: vec![],
free: vec![0..100],
result: vec![],
},
Test {
ranges: vec![1000..1002],
free: vec![0..100],
result: vec![(1000..1002, 0..2)],
},
Test {
ranges: vec![1000..1002, 1100..1110],
free: vec![0..100],
result: vec![(1000..1002, 0..2), (1100..1110, 2..12)],
},
Test {
ranges: vec![100..120],
free: vec![0..5, 20..23, 30..50],
result: vec![(100..105, 0..5), (105..108, 20..23), (108..120, 30..42)],
},
];
for t in tests {
assert_eq!(build_remaps(t.ranges, t.free), t.result);
}
}
fn overlaps(r1: &BlockRange, r2: &BlockRange, index: usize) -> Option<usize> {
if r1.start >= r2.end {
return None;