blob: 9050a4129bdbba2bb7235f750cee3dea3f38d9b4 [file] [log] [blame]
 // Copyright (c) 2011, 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 program for testing increment operator. import "package:expect/expect.dart"; class A { static var yy; static set y(v) { yy = v; } static get y { return yy; } } class IncrOpTest { var x; static var y; IncrOpTest() {} static testMain() { var a = 3; var c = a++ + 1; Expect.equals(4, c); Expect.equals(4, a); c = a-- + 1; Expect.equals(5, c); Expect.equals(3, a); c = --a + 1; Expect.equals(3, c); Expect.equals(2, a); c = 2 + ++a; Expect.equals(5, c); Expect.equals(3, a); var obj = new IncrOpTest(); obj.x = 100; Expect.equals(100, obj.x); obj.x++; Expect.equals(101, obj.x); Expect.equals(102, ++obj.x); Expect.equals(102, obj.x++); Expect.equals(103, obj.x); A.y = 55; Expect.equals(55, A.y++); Expect.equals(56, A.y); Expect.equals(57, ++A.y); Expect.equals(57, A.y); Expect.equals(56, --A.y); IncrOpTest.y = 55; Expect.equals(55, IncrOpTest.y++); Expect.equals(56, IncrOpTest.y); Expect.equals(57, ++IncrOpTest.y); Expect.equals(57, IncrOpTest.y); Expect.equals(56, --IncrOpTest.y); var list = new List(4); for (int i = 0; i < list.length; i++) { list[i] = i; } for (int i = 0; i < list.length; i++) { list[i]++; } for (int i = 0; i < list.length; i++) { Expect.equals(i + 1, list[i]); ++list[i]; } Expect.equals(1 + 2, list[1]); Expect.equals(1 + 2, list[1]--); Expect.equals(1 + 1, list[1]); Expect.equals(1 + 0, --list[1]); } } main() { IncrOpTest.testMain(); }