blob: 3636225178bf54b0f287af3c65aa0fe6207b045d [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 while statement.
// @dart = 2.9
import "package:expect/expect.dart";
class Helper {
static int f1(bool b) {
while (b) return 1;
return 2;
}
static int f2(bool b) {
while (b) {
return 1;
}
return 2;
}
static int f3(int n) {
int i = 0;
while (i < n) {
i++;
}
return i;
}
static int f4() {
// Verify that side effects in the condition are visible after the loop.
int i = 0;
while (++i < 3) {}
return i;
}
}
class WhileTest {
static testMain() {
Expect.equals(1, Helper.f1(true));
Expect.equals(2, Helper.f1(false));
Expect.equals(1, Helper.f2(true));
Expect.equals(2, Helper.f2(false));
Expect.equals(0, Helper.f3(-2));
Expect.equals(0, Helper.f3(-1));
Expect.equals(0, Helper.f3(0));
Expect.equals(1, Helper.f3(1));
Expect.equals(2, Helper.f3(2));
Expect.equals(3, Helper.f4());
}
}
main() {
WhileTest.testMain();
}