T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove uses of println! in tests.

Browse Source 
In this case, it's a little nicer to just use more assertions,
which will print their line number indicating how far the test
got, when they fail.

And this allows the tests to be run in no_std configurations.
This commit is contained in:
Dan Gohman
2018-03-12 14:06:15 -07:00
parent 06fe3b654f
commit a4c51d66a8
1 changed files with 15 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
lib/cretonne/src/divconst_magic_numbers.rs
View File

@@ -480,56 +480,63 @@ mod tests {
// don't panic with integer wraparounds, especially at boundary
// cases for their arguments. The actual results are thrown away.
let mut total: u64 = 0;
println!("Testing UP magicU32");
// Testing UP magicU32
for x in 2..(200 * 1000u32) {
let m = magicU32(x);
total = total ^ (m.mulBy as u64);
total = total + (m.shiftBy as u64);
total = total - (if m.doAdd { 123 } else { 456 });
}
println!("Testing DOWN magicU32");
assert_eq!(total, 1747815691);
// Testing DOWN magicU32
for x in 0..(200 * 1000u32) {
let m = magicU32(0xFFFF_FFFFu32 - x);
total = total ^ (m.mulBy as u64);
total = total + (m.shiftBy as u64);
total = total - (if m.doAdd { 123 } else { 456 });
}
assert_eq!(total, 2210292772);
println!("Testing UP magicU64");
// Testing UP magicU64
for x in 2..(200 * 1000u64) {
let m = magicU64(x);
total = total ^ m.mulBy;
total = total + (m.shiftBy as u64);
total = total - (if m.doAdd { 123 } else { 456 });
}
println!("Testing DOWN magicU64");
assert_eq!(total, 7430004084791260605);
// Testing DOWN magicU64
for x in 0..(200 * 1000u64) {
let m = magicU64(0xFFFF_FFFF_FFFF_FFFFu64 - x);
total = total ^ m.mulBy;
total = total + (m.shiftBy as u64);
total = total - (if m.doAdd { 123 } else { 456 });
}
assert_eq!(total, 7547519887519825919);
println!("Testing UP magicS32");
// Testing UP magicS32
for x in 0..(200 * 1000i32) {
let m = magicS32(-0x8000_0000i32 + x);
total = total ^ (m.mulBy as u64);
total = total + (m.shiftBy as u64);
}
println!("Testing DOWN magicS32");
assert_eq!(total, 10899224186731671235);
// Testing DOWN magicS32
for x in 0..(200 * 1000i32) {
let m = magicS32(0x7FFF_FFFFi32 - x);
total = total ^ (m.mulBy as u64);
total = total + (m.shiftBy as u64);
}
assert_eq!(total, 7547519887517897369);
println!("Testing UP magicS64");
// Testing UP magicS64
for x in 0..(200 * 1000i64) {
let m = magicS64(-0x8000_0000_0000_0000i64 + x);
total = total ^ (m.mulBy as u64);
total = total + (m.shiftBy as u64);
}
println!("Testing DOWN magicS64");
assert_eq!(total, 8029756891368555163);
// Testing DOWN magicS64
for x in 0..(200 * 1000i64) {
let m = magicS64(0x7FFF_FFFF_FFFF_FFFFi64 - x);
total = total ^ (m.mulBy as u64);