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edwards25519: use testing.AllocsPerRun for TestAllocations

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This commit is contained in:
Filippo Valsorda 2020-12-13 15:50:05 +01:00
parent 8cc8037b17
commit d791cf80f9
1 changed files with 9 additions and 11 deletions
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20
edwards25519_test.go
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@ -344,18 +344,16 @@ func TestMultByCofactor(t *testing.T) {
var testAllocationsSink byte
func TestAllocations(t *testing.T) {
b := testing.Benchmark(func(b *testing.B) {
for i := 0; i < b.N; i++ {
p := NewIdentityPoint()
p.Add(p, NewGeneratorPoint())
s := NewScalar()
testAllocationsSink ^= s.Bytes()[0]
testAllocationsSink ^= p.Bytes()[0]
testAllocationsSink ^= p.BytesMontgomery()[0]
}
allocs := testing.AllocsPerRun(100, func() {
p := NewIdentityPoint()
p.Add(p, NewGeneratorPoint())
s := NewScalar()
testAllocationsSink ^= s.Bytes()[0]
testAllocationsSink ^= p.Bytes()[0]
testAllocationsSink ^= p.BytesMontgomery()[0]
})
if b.AllocsPerOp() != 0 {
t.Errorf("expected zero allocations, got:\n%v", b.MemString())
if allocs := int(allocs); allocs != 0 {
t.Errorf("expected zero allocations, got %d", allocs)
}
}