blob: 4fef4ab02cfea49a704a00012f02fd11f9826eca [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 for statement.
// @dart = 2.9
import "package:expect/expect.dart";
class Helper {
static int f1() {
for (;;) return 1;
}
static int f2(var n) {
int i = 0;
for (; i < n; i++);
return i;
}
static int f3(int n) {
int i = 0;
for (int j = 0; j < n; j++) i = i + j + 1;
return i;
}
static int f4(n) {
int i = 0;
for (bool stop = false; (i < n) && !stop; i++) {
if (i >= 5) {
stop = true;
}
}
return i;
}
static var status;
static void f5() {
status = 0;
for (var stop = false;;) {
if (stop) {
break;
} else {
stop = true;
continue;
}
}
status = 1;
}
static int f6() {
// Verify that side effects in the condition are visible after the loop.
int i = 0;
for (; ++i < 3;) {}
return i;
}
}
class ForTest {
static testMain() {
Expect.equals(1, Helper.f1());
Expect.equals(0, Helper.f2(-1));
Expect.equals(0, Helper.f2(0));
Expect.equals(10, Helper.f2(10));
Expect.equals(0, Helper.f3(-1));
Expect.equals(0, Helper.f3(0));
Expect.equals(1, Helper.f3(1));
Expect.equals(3, Helper.f3(2));
Expect.equals(6, Helper.f3(3));
Expect.equals(10, Helper.f3(4));
Expect.equals(0, Helper.f4(-1));
Expect.equals(0, Helper.f4(0));
Expect.equals(1, Helper.f4(1));
Expect.equals(6, Helper.f4(6));
Expect.equals(6, Helper.f4(10));
Helper.f5();
Expect.equals(1, Helper.status);
Expect.equals(3, Helper.f6());
}
}
main() {
ForTest.testMain();
testShadowLocal();
}
void testShadowLocal() {
List<int> x = [1, 2, 3];
for (var x = x;;) break;
// ^
// [cfe] Can't declare 'x' because it was already used in this scope.
}