Robert Nystrom
2034061433
Change-Id: I313a57ed7c7ea2ada75065f55a7367376f6bdae5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152183 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com>
41 lines
886 B
Dart
41 lines
886 B
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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// VMOptions=--optimization_counter_threshold=10 --no-use-osr --no-background_compilation
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import "package:expect/expect.dart";
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class X {
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operator *(other) => "NaNNaNNaNNaNBatman";
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}
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foo(x) => (x * 1.0) is double;
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bar(x) {
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try {
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int i = (x * 1);
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return true;
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} catch (e) {
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return false;
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}
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}
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baz(x) => (x * 1) == x;
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main() {
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for (var i = 0; i < 100; i++) {
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Expect.isTrue(foo(1.0));
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assert(() {
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Expect.isTrue(bar(-1 << 63));
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return true;
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}());
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Expect.isTrue(baz(-1 << 63));
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}
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Expect.isFalse(foo(new X()));
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assert(() {
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Expect.isFalse(bar(new X()));
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return true;
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}());
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Expect.isFalse(baz(new X()));
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}
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