Robert Nystrom
cd5883fa85
The "@compile-error" comment is an old not-great way of defining static error tests. Change-Id: I6564643302f66c5920b38d2269c160099322560b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/296421 Reviewed-by: Jake Macdonald <jakemac@google.com> Commit-Queue: Jake Macdonald <jakemac@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
32 lines
1.0 KiB
Dart
32 lines
1.0 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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bool nonInlinedNumTypeCheck(Object object) {
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if (new DateTime.now().millisecondsSinceEpoch == 42) {
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return nonInlinedNumTypeCheck(object);
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}
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return object is num;
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}
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int confuse(x) {
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if (new DateTime.now().millisecondsSinceEpoch == 42) return confuse(x - 1);
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return x;
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}
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main() {
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var o = ["foo", 499][confuse(0)];
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// When the lhs of a logical or fails, it must not assume that all negative is
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// checks in it, have failed.
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// Here, the `o is! num` check succeeds, but the length test failed.
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if ((o is! num && o.length == 4) || (nonInlinedNumTypeCheck(o))) {
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// ^^^^^^
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// [analyzer] COMPILE_TIME_ERROR.UNDEFINED_GETTER
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// [cfe] The getter 'length' isn't defined for the class 'Object'.
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Expect.fail("Type-check failed");
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}
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}
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