blob: 2b16176740f3449cacdc90bf5bef07aa2618403a [file] [log] [blame]
 // 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. // VMOptions=--optimization-counter-threshold=10 library min_max_test; import "package:expect/expect.dart"; import 'dart:math'; var inf = double.INFINITY; var nan = double.NAN; // A class that might work if [min] and [max] worked for non-numbers. class Wrap implements Comparable { final value; Wrap(this.value); int compare(Wrap other) => value.compare(other.value); bool operator<(Wrap other) => compare(other) < 0; bool operator<=(Wrap other) => compare(other) <= 0; bool operator>(Wrap other) => compare(other) > 0; bool operator>=(Wrap other) => compare(other) >= 0; bool operator==(other) => other is Wrap && compare(other) == 0; String toString() => 'Wrap(\$value)'; int get hashCode => value.hashCode; } var wrap1 = new Wrap(1); var wrap2 = new Wrap(2); testMin() { testMin1(); testMin2(); testMin3(); testMinChecks(); } testMin1() { Expect.equals(0, min(0, 2)); Expect.equals(0, min(2, 0)); Expect.equals(-10, min(-10, -9)); Expect.equals(-10, min(-10, 9)); Expect.equals(-10, min(-10, 0)); Expect.equals(-10, min(-9, -10)); Expect.equals(-10, min(9, -10)); Expect.equals(-10, min(0, -10)); Expect.equals(0.5, min(0.5, 2.5)); Expect.equals(0.5, min(2.5, 0.5)); Expect.equals(-10.5, min(-10.5, -9.5)); Expect.equals(-10.5, min(-10.5, 9.5)); Expect.equals(-10.5, min(-10.5, 0.5)); Expect.equals(-10.5, min(-9.5, -10.5)); Expect.equals(-10.5, min(9.5, -10.5)); Expect.equals(-10.5, min(0.5, -10.5)); // Test matrix: // NaN, -infinity, -499.0, -499, -0.0, 0.0, 0, 499.0, 499, +infinity. Expect.isTrue(min(nan, nan).isNaN); Expect.isTrue(min(nan, -inf).isNaN); Expect.isTrue(min(nan, -499.0).isNaN); Expect.isTrue(min(nan, -499).isNaN); Expect.isTrue(min(nan, -0.0).isNaN); Expect.isTrue(min(nan, 0.0).isNaN); Expect.isTrue(min(nan, 499.0).isNaN); Expect.isTrue(min(nan, 499).isNaN); Expect.isTrue(min(nan, inf).isNaN); Expect.equals(-inf, min(-inf, -inf)); Expect.equals(-inf, min(-inf, -499.0)); Expect.equals(-inf, min(-inf, -499)); Expect.equals(-inf, min(-inf, -0.0)); Expect.equals(-inf, min(-inf, 0.0)); Expect.equals(-inf, min(-inf, 0)); Expect.equals(-inf, min(-inf, 499)); Expect.equals(-inf, min(-inf, 499.0)); Expect.equals(-inf, min(-inf, inf)); Expect.isTrue(min(-inf, nan).isNaN); Expect.equals(-inf, min(-499.0, -inf)); Expect.equals(-499.0, min(-499.0, -499.0)); Expect.equals(-499.0, min(-499.0, -499)); Expect.equals(-499.0, min(-499.0, -0.0)); Expect.equals(-499.0, min(-499.0, 0.0)); Expect.equals(-499.0, min(-499.0, 0)); Expect.equals(-499.0, min(-499.0, 499.0)); Expect.equals(-499.0, min(-499.0, 499)); Expect.equals(-499.0, min(-499.0, inf)); Expect.isTrue(min(-499.0, nan).isNaN); Expect.isTrue(min(-499.0, -499.0) is double); Expect.isTrue(min(-499.0, -499) is double); Expect.isTrue(min(-499.0, -0.0) is double); Expect.isTrue(min(-499.0, 0.0) is double); Expect.isTrue(min(-499.0, 0) is double); Expect.isTrue(min(-499.0, 499.0) is double); Expect.isTrue(min(-499.0, 499) is double); Expect.isTrue(min(-499.0, inf) is double); Expect.equals(-inf, min(-499, -inf)); Expect.equals(-499, min(-499, -499.0)); Expect.equals(-499, min(-499, -499)); Expect.equals(-499, min(-499, -0.0)); Expect.equals(-499, min(-499, 0.0)); Expect.equals(-499, min(-499, 0)); Expect.equals(-499, min(-499, 499.0)); Expect.equals(-499, min(-499, 499)); Expect.equals(-499, min(-499, inf)); Expect.isTrue(min(-499, nan).isNaN); Expect.isTrue(min(-499, -499.0) is int); Expect.isTrue(min(-499, -499) is int); Expect.isTrue(min(-499, -0.0) is int); Expect.isTrue(min(-499, 0.0) is int); Expect.isTrue(min(-499, 0) is int); Expect.isTrue(min(-499, 499.0) is int); Expect.isTrue(min(-499, 499) is int); Expect.isTrue(min(-499, inf) is int); Expect.equals(-inf, min(-0.0, -inf)); Expect.equals(-499.0, min(-0.0, -499.0)); Expect.equals(-499, min(-0.0, -499)); Expect.equals(-0.0, min(-0.0, -0.0)); Expect.equals(-0.0, min(-0.0, 0.0)); Expect.equals(-0.0, min(-0.0, 0)); Expect.equals(-0.0, min(-0.0, 499.0)); Expect.equals(-0.0, min(-0.0, 499)); Expect.equals(-0.0, min(-0.0, inf)); Expect.isTrue(min(-0.0, nan).isNaN); } testMin2() { Expect.isTrue(min(-0.0, -499.0) is double); Expect.isTrue(min(-0.0, -499) is int); Expect.isTrue(min(-0.0, -0.0) is double); Expect.isTrue(min(-0.0, 0.0) is double); Expect.isTrue(min(-0.0, 0) is double); Expect.isTrue(min(-0.0, 499.0) is double); Expect.isTrue(min(-0.0, 499) is double); Expect.isTrue(min(-0.0, inf) is double); Expect.isTrue(min(-0.0, -499.0).isNegative); Expect.isTrue(min(-0.0, -499).isNegative); Expect.isTrue(min(-0.0, -0.0).isNegative); Expect.isTrue(min(-0.0, 0.0).isNegative); Expect.isTrue(min(-0.0, 0).isNegative); Expect.isTrue(min(-0.0, 499.0).isNegative); Expect.isTrue(min(-0.0, 499).isNegative); Expect.isTrue(min(-0.0, inf).isNegative); Expect.equals(-inf, min(0.0, -inf)); Expect.equals(-499.0, min(0.0, -499.0)); Expect.equals(-499, min(0.0, -499)); Expect.equals(-0.0, min(0.0, -0.0)); Expect.equals(0.0, min(0.0, 0.0)); Expect.equals(0.0, min(0.0, 0)); Expect.equals(0.0, min(0.0, 499.0)); Expect.equals(0.0, min(0.0, 499)); Expect.equals(0.0, min(0.0, inf)); Expect.isTrue(min(0.0, nan).isNaN); Expect.isTrue(min(0.0, -499.0) is double); Expect.isTrue(min(0.0, -499) is int); Expect.isTrue(min(0.0, -0.0) is double); Expect.isTrue(min(0.0, 0.0) is double); Expect.isTrue(min(0.0, 0) is double); Expect.isTrue(min(0.0, 499.0) is double); Expect.isTrue(min(0.0, 499) is double); Expect.isTrue(min(0.0, inf) is double); Expect.isTrue(min(0.0, -499.0).isNegative); Expect.isTrue(min(0.0, -499).isNegative); Expect.isTrue(min(0.0, -0.0).isNegative); Expect.isFalse(min(0.0, 0.0).isNegative); Expect.isFalse(min(0.0, 0).isNegative); Expect.isFalse(min(0.0, 499.0).isNegative); Expect.isFalse(min(0.0, 499).isNegative); Expect.isFalse(min(0.0, inf).isNegative); Expect.equals(-inf, min(0, -inf)); Expect.equals(-499.0, min(0, -499.0)); Expect.equals(-499, min(0, -499)); Expect.equals(-0.0, min(0, -0.0)); Expect.equals(0, min(0, 0.0)); Expect.equals(0, min(0, 0)); Expect.equals(0, min(0, 499.0)); Expect.equals(0, min(0, 499)); Expect.equals(0, min(0, inf)); Expect.isTrue(min(0, nan).isNaN); Expect.isTrue(min(0, -499.0) is double); Expect.isTrue(min(0, -499) is int); Expect.isTrue(min(0, -0.0) is double); Expect.isTrue(min(0, 0.0) is int); Expect.isTrue(min(0, 0) is int); Expect.isTrue(min(0, 499.0) is int); Expect.isTrue(min(0, 499) is int); Expect.isTrue(min(0, inf) is int); Expect.isTrue(min(0, -499.0).isNegative); Expect.isTrue(min(0, -499).isNegative); Expect.isTrue(min(0, -0.0).isNegative); Expect.isFalse(min(0, 0.0).isNegative); Expect.isFalse(min(0, 0).isNegative); Expect.isFalse(min(0, 499.0).isNegative); Expect.isFalse(min(0, 499).isNegative); Expect.isFalse(min(0, inf).isNegative); } testMin3() { Expect.equals(-inf, min(499.0, -inf)); Expect.equals(-499.0, min(499.0, -499.0)); Expect.equals(-499, min(499.0, -499)); Expect.equals(-0.0, min(499.0, -0.0)); Expect.equals(0.0, min(499.0, 0.0)); Expect.equals(0, min(499.0, 0)); Expect.equals(499.0, min(499.0, 499.0)); Expect.equals(499.0, min(499.0, 499)); Expect.equals(499.0, min(499.0, inf)); Expect.isTrue(min(499.0, nan).isNaN); Expect.isTrue(min(499.0, -499.0) is double); Expect.isTrue(min(499.0, -499) is int); Expect.isTrue(min(499.0, -0.0) is double); Expect.isTrue(min(499.0, 0.0) is double); Expect.isTrue(min(499.0, 0) is int); Expect.isTrue(min(499.0, 499) is double); Expect.isTrue(min(499.0, 499.0) is double); Expect.isTrue(min(499.0, inf) is double); Expect.isTrue(min(499.0, -499.0).isNegative); Expect.isTrue(min(499.0, -499).isNegative); Expect.isTrue(min(499.0, -0.0).isNegative); Expect.isFalse(min(499.0, 0.0).isNegative); Expect.isFalse(min(499.0, 0).isNegative); Expect.isFalse(min(499.0, 499).isNegative); Expect.isFalse(min(499.0, 499.0).isNegative); Expect.isFalse(min(499.0, inf).isNegative); Expect.equals(-inf, min(499, -inf)); Expect.equals(-499.0, min(499, -499.0)); Expect.equals(-499, min(499, -499)); Expect.equals(-0.0, min(499, -0.0)); Expect.equals(0.0, min(499, 0.0)); Expect.equals(0, min(499, 0)); Expect.equals(499, min(499, 499.0)); Expect.equals(499, min(499, 499)); Expect.equals(499, min(499, inf)); Expect.isTrue(min(499, nan).isNaN); Expect.isTrue(min(499, -499.0) is double); Expect.isTrue(min(499, -499) is int); Expect.isTrue(min(499, -0.0) is double); Expect.isTrue(min(499, 0.0) is double); Expect.isTrue(min(499, 0) is int); Expect.isTrue(min(499, 499.0) is int); Expect.isTrue(min(499, 499) is int); Expect.isTrue(min(499, inf) is int); Expect.isTrue(min(499, -499.0).isNegative); Expect.isTrue(min(499, -499).isNegative); Expect.isTrue(min(499, -0.0).isNegative); Expect.isFalse(min(499, 0.0).isNegative); Expect.isFalse(min(499, 0).isNegative); Expect.isFalse(min(499, 499.0).isNegative); Expect.isFalse(min(499, 499).isNegative); Expect.isFalse(min(499, inf).isNegative); Expect.equals(-inf, min(inf, -inf)); Expect.equals(-499.0, min(inf, -499.0)); Expect.equals(-499, min(inf, -499)); Expect.equals(-0.0, min(inf, -0.0)); Expect.equals(0.0, min(inf, 0.0)); Expect.equals(0, min(inf, 0)); Expect.equals(499.0, min(inf, 499.0)); Expect.equals(499, min(inf, 499)); Expect.equals(inf, min(inf, inf)); Expect.isTrue(min(inf, nan).isNaN); Expect.isTrue(min(inf, -499.0) is double); Expect.isTrue(min(inf, -499) is int); Expect.isTrue(min(inf, -0.0) is double); Expect.isTrue(min(inf, 0.0) is double); Expect.isTrue(min(inf, 0) is int); Expect.isTrue(min(inf, 499) is int); Expect.isTrue(min(inf, 499.0) is double); Expect.isTrue(min(inf, inf) is double); Expect.isTrue(min(inf, -499.0).isNegative); Expect.isTrue(min(inf, -499).isNegative); Expect.isTrue(min(inf, -0.0).isNegative); Expect.isFalse(min(inf, 0.0).isNegative); Expect.isFalse(min(inf, 0).isNegative); Expect.isFalse(min(inf, 499).isNegative); Expect.isFalse(min(inf, 499.0).isNegative); Expect.isFalse(min(inf, inf).isNegative); } testMinChecks() { // Min and max work only on numbers. // These throw a type assertion or ArgumentError. Expect.throws(() => min(wrap1, wrap2)); Expect.throws(() => min(wrap1, 0)); Expect.throws(() => min(0, wrap2)); } testMax() { testMax1(); testMax2(); testMax3(); testMaxChecks(); } testMax1() { Expect.equals(2, max(0, 2)); Expect.equals(2, max(2, 0)); Expect.equals(-9, max(-10, -9)); Expect.equals(9, max(-10, 9)); Expect.equals(0, max(-10, 0)); Expect.equals(-9, max(-9, -10)); Expect.equals(9, max(9, -10)); Expect.equals(0, max(0, -10)); Expect.equals(2.5, max(0.5, 2.5)); Expect.equals(2.5, max(2.5, 0.5)); Expect.equals(-9.5, max(-10.5, -9.5)); Expect.equals(9.5, max(-10.5, 9.5)); Expect.equals(0.5, max(-10.5, 0.5)); Expect.equals(-9.5, max(-9.5, -10.5)); Expect.equals(9.5, max(9.5, -10.5)); Expect.equals(0.5, max(0.5, -10.5)); // Test matrix: // NaN, infinity, 499.0, 499, 0.0, 0, -0.0, -499.0, -499, -infinity. Expect.isTrue(max(nan, nan).isNaN); Expect.isTrue(max(nan, -inf).isNaN); Expect.isTrue(max(nan, -499.0).isNaN); Expect.isTrue(max(nan, -499).isNaN); Expect.isTrue(max(nan, -0.0).isNaN); Expect.isTrue(max(nan, 0.0).isNaN); Expect.isTrue(max(nan, 499.0).isNaN); Expect.isTrue(max(nan, 499).isNaN); Expect.isTrue(max(nan, inf).isNaN); Expect.equals(inf, max(inf, inf)); Expect.equals(inf, max(inf, 499.0)); Expect.equals(inf, max(inf, 499)); Expect.equals(inf, max(inf, 0.0)); Expect.equals(inf, max(inf, 0)); Expect.equals(inf, max(inf, -0.0)); Expect.equals(inf, max(inf, -499)); Expect.equals(inf, max(inf, -499.0)); Expect.equals(inf, max(inf, -inf)); Expect.isTrue(max(inf, nan).isNaN); Expect.equals(inf, max(499.0, inf)); Expect.equals(499.0, max(499.0, 499.0)); Expect.equals(499.0, max(499.0, 499)); Expect.equals(499.0, max(499.0, 0.0)); Expect.equals(499.0, max(499.0, 0)); Expect.equals(499.0, max(499.0, -0.0)); Expect.equals(499.0, max(499.0, -499)); Expect.equals(499.0, max(499.0, -499.0)); Expect.equals(499.0, max(499.0, -inf)); Expect.isTrue(max(499.0, nan).isNaN); Expect.isTrue(max(499.0, 499.0) is double); Expect.isTrue(max(499.0, 499) is double); Expect.isTrue(max(499.0, 0.0) is double); Expect.isTrue(max(499.0, 0) is double); Expect.isTrue(max(499.0, -0.0) is double); Expect.isTrue(max(499.0, -499) is double); Expect.isTrue(max(499.0, -499.0) is double); Expect.isTrue(max(499.0, -inf) is double); Expect.equals(inf, max(499, inf)); Expect.equals(499, max(499, 499.0)); Expect.equals(499, max(499, 499)); Expect.equals(499, max(499, 0.0)); Expect.equals(499, max(499, 0)); Expect.equals(499, max(499, -0.0)); Expect.equals(499, max(499, -499)); Expect.equals(499, max(499, -499.0)); Expect.equals(499, max(499, -inf)); Expect.isTrue(max(499, nan).isNaN); Expect.isTrue(max(499, 499.0) is int); Expect.isTrue(max(499, 499) is int); Expect.isTrue(max(499, 0.0) is int); Expect.isTrue(max(499, 0) is int); Expect.isTrue(max(499, -0.0) is int); Expect.isTrue(max(499, -499) is int); Expect.isTrue(max(499, -499.0) is int); Expect.isTrue(max(499, -inf) is int); Expect.equals(inf, max(0.0, inf)); Expect.equals(499.0, max(0.0, 499.0)); Expect.equals(499, max(0.0, 499)); Expect.equals(0.0, max(0.0, 0.0)); Expect.equals(0.0, max(0.0, 0)); Expect.equals(0.0, max(0.0, -0.0)); Expect.equals(0.0, max(0.0, -499)); Expect.equals(0.0, max(0.0, -499.0)); Expect.equals(0.0, max(0.0, -inf)); Expect.isTrue(max(0.0, nan).isNaN); Expect.isTrue(max(0.0, 499.0) is double); Expect.isTrue(max(0.0, 499) is int); Expect.isTrue(max(0.0, 0.0) is double); Expect.isTrue(max(0.0, 0) is double); Expect.isTrue(max(0.0, -0.0) is double); Expect.isTrue(max(0.0, -499) is double); Expect.isTrue(max(0.0, -499.0) is double); Expect.isTrue(max(0.0, -inf) is double); } testMax2() { Expect.isFalse(max(0.0, 0.0).isNegative); Expect.isFalse(max(0.0, 0).isNegative); Expect.isFalse(max(0.0, -0.0).isNegative); Expect.isFalse(max(0.0, -499).isNegative); Expect.isFalse(max(0.0, -499.0).isNegative); Expect.isFalse(max(0.0, -inf).isNegative); Expect.equals(inf, max(0, inf)); Expect.equals(499.0, max(0, 499.0)); Expect.equals(499, max(0, 499)); Expect.equals(0, max(0, 0.0)); Expect.equals(0, max(0, 0)); Expect.equals(0, max(0, -0.0)); Expect.equals(0, max(0, -499)); Expect.equals(0, max(0, -499.0)); Expect.equals(0, max(0, -inf)); Expect.isTrue(max(0, nan).isNaN); Expect.isTrue(max(0, 499.0) is double); Expect.isTrue(max(0, 499) is int); Expect.isTrue(max(0, 0.0) is int); Expect.isTrue(max(0, 0) is int); Expect.isTrue(max(0, -0.0) is int); Expect.isTrue(max(0, -499) is int); Expect.isTrue(max(0, -499.0) is int); Expect.isTrue(max(0, -inf) is int); Expect.isFalse(max(0, 0.0).isNegative); Expect.isFalse(max(0, 0).isNegative); Expect.isFalse(max(0, -0.0).isNegative); Expect.isFalse(max(0, -499).isNegative); Expect.isFalse(max(0, -499.0).isNegative); Expect.isFalse(max(0, -inf).isNegative); Expect.equals(inf, max(-0.0, inf)); Expect.equals(499.0, max(-0.0, 499.0)); Expect.equals(499, max(-0.0, 499)); Expect.equals(0.0, max(-0.0, 0.0)); Expect.equals(0.0, max(-0.0, 0)); Expect.equals(-0.0, max(-0.0, -0.0)); Expect.equals(-0.0, max(-0.0, -499)); Expect.equals(-0.0, max(-0.0, -499.0)); Expect.equals(-0.0, max(-0.0, -inf)); Expect.isTrue(max(-0.0, nan).isNaN); Expect.isTrue(max(-0.0, 499.0) is double); Expect.isTrue(max(-0.0, 499) is int); Expect.isTrue(max(-0.0, 0.0) is double); Expect.isTrue(max(-0.0, 0) is int); Expect.isTrue(max(-0.0, -0.0) is double); Expect.isTrue(max(-0.0, -499) is double); Expect.isTrue(max(-0.0, -499.0) is double); Expect.isTrue(max(-0.0, -inf) is double); } testMax3() { Expect.isFalse(max(-0.0, 0.0).isNegative); Expect.isFalse(max(-0.0, 0).isNegative); Expect.isTrue(max(-0.0, -0.0).isNegative); Expect.isTrue(max(-0.0, -499).isNegative); Expect.isTrue(max(-0.0, -499.0).isNegative); Expect.isTrue(max(-0.0, -inf).isNegative); Expect.equals(inf, max(-499, inf)); Expect.equals(499.0, max(-499, 499.0)); Expect.equals(499, max(-499, 499)); Expect.equals(0.0, max(-499, 0.0)); Expect.equals(0.0, max(-499, 0)); Expect.equals(-0.0, max(-499, -0.0)); Expect.equals(-499, max(-499, -499)); Expect.equals(-499, max(-499, -499.0)); Expect.equals(-499, max(-499, -inf)); Expect.isTrue(max(-499, nan).isNaN); Expect.isTrue(max(-499, 499.0) is double); Expect.isTrue(max(-499, 499) is int); Expect.isTrue(max(-499, 0.0) is double); Expect.isTrue(max(-499, 0) is int); Expect.isTrue(max(-499, -0.0) is double); Expect.isTrue(max(-499, -499) is int); Expect.isTrue(max(-499, -499.0) is int); Expect.isTrue(max(-499, -inf) is int); Expect.isFalse(max(-499, 0.0).isNegative); Expect.isFalse(max(-499, 0).isNegative); Expect.isTrue(max(-499, -0.0).isNegative); Expect.isTrue(max(-499, -499).isNegative); Expect.isTrue(max(-499, -499.0).isNegative); Expect.isTrue(max(-499, -inf).isNegative); Expect.equals(inf, max(-499.0, inf)); Expect.equals(499.0, max(-499.0, 499.0)); Expect.equals(499, max(-499.0, 499)); Expect.equals(0.0, max(-499.0, 0.0)); Expect.equals(0.0, max(-499.0, 0)); Expect.equals(-0.0, max(-499.0, -0.0)); Expect.equals(-499.0, max(-499.0, -499)); Expect.equals(-499.0, max(-499.0, -499.0)); Expect.equals(-499.0, max(-499.0, -inf)); Expect.isTrue(max(-499.0, nan).isNaN); Expect.isTrue(max(-499.0, 499.0) is double); Expect.isTrue(max(-499.0, 499) is int); Expect.isTrue(max(-499.0, 0.0) is double); Expect.isTrue(max(-499.0, 0) is int); Expect.isTrue(max(-499.0, -0.0) is double); Expect.isTrue(max(-499.0, -499) is double); Expect.isTrue(max(-499.0, -499.0) is double); Expect.isTrue(max(-499.0, -inf) is double); Expect.isFalse(max(-499.0, 0.0).isNegative); Expect.isFalse(max(-499.0, 0).isNegative); Expect.isTrue(max(-499.0, -0.0).isNegative); Expect.isTrue(max(-499.0, -499).isNegative); Expect.isTrue(max(-499.0, -499.0).isNegative); Expect.isTrue(max(-499.0, -inf).isNegative); Expect.equals(inf, max(-inf, inf)); Expect.equals(499.0, max(-inf, 499.0)); Expect.equals(499, max(-inf, 499)); Expect.equals(0.0, max(-inf, 0.0)); Expect.equals(0.0, max(-inf, 0)); Expect.equals(-0.0, max(-inf, -0.0)); Expect.equals(-499, max(-inf, -499)); Expect.equals(-499.0, max(-inf, -499.0)); Expect.equals(-inf, max(-inf, -inf)); Expect.isTrue(max(-inf, nan).isNaN); Expect.isTrue(max(-inf, 499.0) is double); Expect.isTrue(max(-inf, 499) is int); Expect.isTrue(max(-inf, 0.0) is double); Expect.isTrue(max(-inf, 0) is int); Expect.isTrue(max(-inf, -0.0) is double); Expect.isTrue(max(-inf, -499) is int); Expect.isTrue(max(-inf, -499.0) is double); Expect.isTrue(max(-inf, -inf) is double); Expect.isFalse(max(-inf, 0.0).isNegative); Expect.isFalse(max(-inf, 0).isNegative); Expect.isTrue(max(-inf, -0.0).isNegative); Expect.isTrue(max(-inf, -499).isNegative); Expect.isTrue(max(-inf, -499.0).isNegative); Expect.isTrue(max(-inf, -inf).isNegative); } testMaxChecks() { // Min and max work only on numbers. // These throw a type assertion or ArgumentError. Expect.throws(() => min(wrap1, wrap2)); Expect.throws(() => min(wrap1, 0)); Expect.throws(() => min(0, wrap2)); } main() { testMin(); testMin(); testMax(); testMax(); }