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authorkevin.xu <cming.xu@gmail.com>2020-04-27 21:51:31 +0800
committerGitHub <noreply@github.com>2020-04-27 21:51:31 +0800
commite896ca54db67524afc20b644d43c72185e72dc0e (patch)
tree2a16f3a62a5cafd098f1f028c621f1b655589d69 /pkg/bits/uint64_test.go
parent1f19624fa127d7d59cabe29593cc80b7fe6c81f8 (diff)
parent3c67754663f424f2ebbc0ff2a4c80e30618d5355 (diff)
Merge pull request #1 from google/master
catch up
Diffstat (limited to 'pkg/bits/uint64_test.go')
-rw-r--r--pkg/bits/uint64_test.go18
1 files changed, 18 insertions, 0 deletions
diff --git a/pkg/bits/uint64_test.go b/pkg/bits/uint64_test.go
index 1b018d808..193d1ebcd 100644
--- a/pkg/bits/uint64_test.go
+++ b/pkg/bits/uint64_test.go
@@ -114,3 +114,21 @@ func TestIsOn(t *testing.T) {
}
}
}
+
+func TestIsPowerOfTwo(t *testing.T) {
+ for _, tc := range []struct {
+ v uint64
+ want bool
+ }{
+ {v: 0, want: false},
+ {v: 1, want: true},
+ {v: 2, want: true},
+ {v: 3, want: false},
+ {v: 4, want: true},
+ {v: 5, want: false},
+ } {
+ if got := IsPowerOfTwo64(tc.v); got != tc.want {
+ t.Errorf("IsPowerOfTwo(%d) = %t, want: %t", tc.v, got, tc.want)
+ }
+ }
+}