isEven, isOdd, isNegative, isMaxValue, isMinValue, isInfinite, isPositive, isSingleValue.

tests/language/is_nan_test.dart

Index: tests/language/is_nan_test.dart
diff --git a/tests/language/is_nan_test.dart b/tests/language/is_nan_test.dart
index f4fa0f784f0106ed37223cb23d059f7361377da8..3edfebd3cc8ff9a69dc87f0ba86d5d071ccf34c5 100644
--- a/tests/language/is_nan_test.dart
+++ b/tests/language/is_nan_test.dart
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 class A {
-  bool isNaN() => false;
+  bool get isNaN => false;
 }
 
 main() {
@@ -12,4 +12,4 @@ main() {
   Expect.throws(() => foo('bar'), (e) => e is NoSuchMethodError);
 }
 
-foo(a) => a.isNaN();
+foo(a) => a.isNaN;