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

tests/compiler/dart2js/value_range2_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import "../../../lib/compiler/implementation/ssa/ssa.dart";
 import "../../../lib/compiler/implementation/dart2jslib.dart";
 
 Value instructionValue = new InstructionValue(new HReturn(null));
 Value lengthValue = new LengthValue(new HReturn(null));
 
@@ skipping 28 matching lines @@
   if (upper is num) upper = new IntValue(upper);
   Range range = new Range(lower, upper);
   Expect.equals(range, one & two);
 }
 
 checkSubRange(Range one, Range two, [lower, upper]) {
 
   buildBound(one, two) {
     // Create a bound just like our current implementation in dart2js does.
     if (two is IntValue) {
-      if (two.isNegative()) {
+      if (two.isNegative) {
         return new AddValue(one, -two);
-      } else if (two.isZero()) {
+      } else if (two.isZero) {
         return one;
       }
     }
     if (one is IntValue) {
-      if (one.isNegative()) {
+      if (one.isNegative) {
         return new SubtractValue(-two, -one);
-      } else if (one.isZero()) {
+      } else if (one.isZero) {
         return -two;
       }
     }
     return new SubtractValue(one, two);
   }
 
   if (lower == null) {
     lower = buildBound(one.lower, two.upper);
   } else if (lower is num) {
     lower = new IntValue(lower);
@@ skipping 292 matching lines @@
   checkSubRange(_0_instruction, _0_length, null, _0_instruction.upper);
   checkSubRange(_0_instruction, _0_instruction, null, _0_instruction.upper);
 }
 
 main() {
   HInstruction.idCounter = 0;
   testAnd();
   testSub();
   testNegate();
 }