Fix constant evaluation of division.

pkg/analyzer/test/generated/all_the_rest_test.dart

 // Copyright (c) 2014, 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.all_the_rest_test;
 
 import 'dart:collection';
@@ skipping 571 matching lines @@
 
   void test_divide_double_double_byZero() {
     EvaluationResult result = _getExpressionValue("3.2 / 0.0");
     expect(result.isValid, isTrue);
     DartObject value = result.value;
     expect(value.type.name, "double");
     expect(value.doubleValue.isInfinite, isTrue);
   }
 
   void test_divide_int_int() {
-    _assertValue3(1, "3 / 2");
+    _assertValue2(1.5, "3 / 2");
   }
   void test_divide_int_int_byZero() {
     EvaluationResult result = _getExpressionValue("3 / 0");
     expect(result.isValid, isTrue);
   }
 
   void test_equal_boolean_boolean() {
     _assertValue(false, "true == false");
   }
 
@@ skipping 1966 matching lines @@
 
   void test_divide_knownDouble_unknownDouble() {
     _assertDivide(_doubleValue(null), _doubleValue(6.0), _doubleValue(null));
   }
 
   void test_divide_knownDouble_unknownInt() {
     _assertDivide(_doubleValue(null), _doubleValue(6.0), _intValue(null));
   }
 
   void test_divide_knownInt_knownInt() {
-    _assertDivide(_intValue(3), _intValue(6), _intValue(2));
+    _assertDivide(_doubleValue(3.0), _intValue(6), _intValue(2));
   }
 
   void test_divide_knownInt_knownString() {
     _assertDivide(null, _intValue(6), _stringValue("2"));
   }
 
   void test_divide_knownInt_unknownDouble() {
     _assertDivide(_doubleValue(null), _intValue(6), _doubleValue(null));
   }
 
   void test_divide_knownInt_unknownInt() {
-    _assertDivide(_intValue(null), _intValue(6), _intValue(null));
+    _assertDivide(_doubleValue(null), _intValue(6), _intValue(null));
   }
 
   void test_divide_knownString_knownInt() {
     _assertDivide(null, _stringValue("6"), _intValue(2));
   }
 
   void test_divide_unknownDouble_knownDouble() {
     _assertDivide(_doubleValue(null), _doubleValue(null), _doubleValue(2.0));
   }
 
   void test_divide_unknownDouble_knownInt() {
     _assertDivide(_doubleValue(null), _doubleValue(null), _intValue(2));
   }
 
   void test_divide_unknownInt_knownDouble() {
     _assertDivide(_doubleValue(null), _intValue(null), _doubleValue(2.0));
   }
 
   void test_divide_unknownInt_knownInt() {
-    _assertDivide(_intValue(null), _intValue(null), _intValue(2));
+    _assertDivide(_doubleValue(null), _intValue(null), _intValue(2));
   }
 
   void test_equalEqual_bool_false() {
     _assertEqualEqual(_boolValue(false), _boolValue(false), _boolValue(true));
   }
 
   void test_equalEqual_bool_true() {
     _assertEqualEqual(_boolValue(true), _boolValue(true), _boolValue(true));
   }
 
@@ skipping 5956 matching lines @@
     if (_expectedExternalScriptName == null) {
       expect(scriptSource, isNull, reason: "script $scriptIndex");
     } else {
       expect(scriptSource, isNotNull, reason: "script $scriptIndex");
       String actualExternalScriptName = scriptSource.shortName;
       expect(actualExternalScriptName, _expectedExternalScriptName,
           reason: "script $scriptIndex");
     }
   }
 }