Add tests for Int64.numberOfTrailingZeros.
diff --git a/test/int64_test.dart b/test/int64_test.dart
index f25dece..5d4b5c6 100644
--- a/test/int64_test.dart
+++ b/test/int64_test.dart
@@ -290,6 +290,21 @@
checkZeros(new Int64.fromInts(0x7fffffff, 0xffffffff), 1);
checkZeros(new Int64(-1), 0);
});
+
+ test("numberOfTrailingZeros", () {
+ checkZeros(Int64 value, int zeros) {
+ expect(value.numberOfTrailingZeros(), zeros);
+ }
+ checkZeros(new Int64(-1), 0);
+ checkZeros(new Int64(1), 0);
+ checkZeros(new Int64(2), 1);
+ checkZeros(new Int64.fromInts(0x00000000, 0x00200000), 21);
+ checkZeros(new Int64.fromInts(0x00000000, 0x00400000), 22);
+ checkZeros(new Int64.fromInts(0x00000800, 0x00000000), 43);
+ checkZeros(new Int64.fromInts(0x00001000, 0x00000000), 44);
+ checkZeros(new Int64.fromInts(0x80000000, 0x00000000), 63);
+ checkZeros(new Int64(0), 64);
+ });
});
group("comparison operators", () {
