Add tests for Int32.numberOfLeadingZeros.

dart-archive · Feb 11, 2015 · 1164037 · 1164037
1 parent 5b45107
commit 1164037
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/test/int32_test.dart b/test/int32_test.dart
@@ -165,6 +165,15 @@ void main() {
     });
   });
 
+  group("leading/trailing zeros", () {
+    test("numberOfLeadingZeros", () {
+      expect(new Int32(0).numberOfLeadingZeros(), 32);
+      expect(new Int32(1).numberOfLeadingZeros(), 31);
+      expect(new Int32(0xffff).numberOfLeadingZeros(), 16);
+      expect(new Int32(-1).numberOfLeadingZeros(), 0);
+    });
+  });
+
   group("comparison operators", () {
     test("compareTo", () {
       expect(new Int32(0).compareTo(-1), 1);