Migrate test block 3 to Dart 2.0.

tests/corelib_strong/compare_to2_test.dart

Index: tests/corelib_strong/compare_to2_test.dart
diff --git a/tests/corelib_strong/compare_to2_test.dart b/tests/corelib_strong/compare_to2_test.dart
deleted file mode 100644
index feac212ee9c6c1f260c7056539a2607dddb8d70f..0000000000000000000000000000000000000000
--- a/tests/corelib_strong/compare_to2_test.dart
+++ /dev/null
@@ -1,94 +0,0 @@
-// 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.
-// Dart test for testing Math.min and Math.max.
-
-import "package:expect/expect.dart";
-
-negate(x) => -x;
-
-main() {
-  // Test matrix:
-  var minNonZero = 5e-324;
-  var maxDenormal = 2.225073858507201e-308;
-  var minNormal = 2.2250738585072014e-308;
-  var maxFraction = 0.9999999999999999;
-  var minAbove1 = 1.0000000000000002;
-  var maxNonInt = 4503599627370495.5;
-  var maxNonIntFloorAsInt = maxNonInt.floor();
-  var maxNonIntFloorAsDouble = maxNonIntFloorAsInt.toDouble();
-  var maxExactIntAsDouble = 9007199254740992.0;
-  var maxExactIntAsInt = 9007199254740992;
-  var two53 = 1 << 53; // Same as maxExactIntAsInt.
-  var two53p1 = two53 + 1;
-  var maxFiniteAsDouble = 1.7976931348623157e+308;
-  var maxFiniteAsInt = maxFiniteAsDouble.truncate();
-  int huge = 1 << 2000;
-  int hugeP1 = huge + 1;
-  var inf = double.INFINITY;
-  var nan = double.NAN;
-  var mnan = negate(nan);
-  var matrix = [
-    -inf,
-    -hugeP1,
-    -huge,
-    [-maxFiniteAsDouble, -maxFiniteAsInt],
-    -two53p1,
-    [-two53, -maxExactIntAsInt, -maxExactIntAsDouble],
-    -maxNonInt,
-    [-maxNonIntFloorAsDouble, -maxNonIntFloorAsInt],
-    [-499.0, -499],
-    -minAbove1,
-    [-1.0, -1],
-    -maxFraction,
-    -minNormal,
-    -maxDenormal,
-    -minNonZero,
-    -0.0,
-    [0, 0, 0],
-    minNonZero,
-    maxDenormal,
-    minNormal,
-    maxFraction,
-    [1.0, 1],
-    minAbove1,
-    [499.0, 499],
-    [maxNonIntFloorAsDouble, maxNonIntFloorAsInt],
-    maxNonInt,
-    [two53, maxExactIntAsInt, maxExactIntAsDouble],
-    two53p1,
-    [maxFiniteAsDouble, maxFiniteAsInt],
-    huge,
-    hugeP1,
-    inf,
-    [nan, mnan],
-  ];
-
-  check(left, right, expectedResult) {
-    if (left is List) {
-      for (var x in left) check(x, right, expectedResult);
-      return;
-    }
-    if (right is List) {
-      for (var x in right) check(left, x, expectedResult);
-      return;
-    }
-    int actual = left.compareTo(right);
-    Expect.equals(
-        expectedResult,
-        actual,
-        "($left).compareTo($right) failed "
-        "(should have been $expectedResult, was $actual");
-  }
-
-  for (int i = 0; i < matrix.length; i++) {
-    for (int j = 0; j < matrix.length; j++) {
-      var left = matrix[i];
-      var right = matrix[j];
-      if (left is List) {
-        check(left, left, 0);
-      }
-      check(left, right, i == j ? 0 : (i < j ? -1 : 1));
-    }
-  }
-}