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Merge pull request #1554 from diazjf/add-power-of-2

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Add missing unit test for nextPowerOf2 function
This commit is contained in:
Manuel Alejandro de Brito Fontes 2017-10-20 07:23:00 -04:00 committed by GitHub
commit d3eef047c7
1 changed files with 56 additions and 0 deletions
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56
pkg/nginx/controller/nginx_test.go
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@ -57,3 +57,59 @@ func TestNginxHashBucketSize(t *testing.T) {
}
}
}
func TestNextPowerOf2(t *testing.T) {
// Powers of 2
actual := nextPowerOf2(2)
if actual != 2 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 2, actual)
}
actual = nextPowerOf2(4)
if actual != 4 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 4, actual)
}
actual = nextPowerOf2(32)
if actual != 32 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 32, actual)
}
actual = nextPowerOf2(256)
if actual != 256 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 256, actual)
}
// Not Powers of 2
actual = nextPowerOf2(7)
if actual != 8 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 8, actual)
}
actual = nextPowerOf2(9)
if actual != 16 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 16, actual)
}
actual = nextPowerOf2(15)
if actual != 16 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 16, actual)
}
actual = nextPowerOf2(17)
if actual != 32 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 32, actual)
}
actual = nextPowerOf2(250)
if actual != 256 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 256, actual)
}
// Other
actual = nextPowerOf2(0)
if actual != 0 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 0, actual)
}
actual = nextPowerOf2(-1)
if actual != 0 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 0, actual)
}
actual = nextPowerOf2(-2)
if actual != 0 {
t.Errorf("TestNextPowerOf2: expected %d but returned %d.", 0, actual)
}
}