mirror of
https://github.com/dart-lang/sdk
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f9f1ca6171
Change-Id: Ib8721cf976803d8d1b9d723b7e691e344c768b67 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149881 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Joshua Litt <joshualitt@google.com>
92 lines
3.1 KiB
Dart
92 lines
3.1 KiB
Dart
// Copyright (c) 2015, 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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// Check that exception messages for truncating operations contains the
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// operands.
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import 'package:expect/expect.dart';
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@pragma('dart2js:noInline')
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@pragma('dart2js:assumeDynamic')
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confuse(x) => x;
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void find1(expected, thunk) {
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if (thunk == null) return;
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var returned, exceptionText;
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try {
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returned = thunk();
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} catch (e) {
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exceptionText = '$e';
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}
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if (exceptionText == null) {
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Expect.fail(
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'Expected exception containing "$expected", returned: $returned');
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}
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Expect.isTrue(exceptionText.contains(expected),
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'Expected "$expected" in "$exceptionText"');
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}
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void find(expected, [thunk1, thunk2, thunk3, thunk4]) {
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find1(expected, thunk1);
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find1(expected, thunk2);
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find1(expected, thunk3);
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find1(expected, thunk4);
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}
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main() {
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var NaN = double.nan;
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var Infinity = double.infinity;
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find(' Infinity: 123 ~/ 0', () => confuse(123) ~/ confuse(0),
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() => confuse(123) ~/ 0, () => 123 ~/ confuse(0), () => 123 ~/ 0);
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find(
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'-Infinity: 123 ~/ -0.0',
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() => confuse(123) ~/ confuse(-0.0),
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() => confuse(123) ~/ -0.0,
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() => 123 ~/ confuse(-0.0),
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() => 123 ~/ -0.0);
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find(' NaN: NaN ~/ 123', () => confuse(NaN) ~/ confuse(123),
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() => confuse(NaN) ~/ 123, () => NaN ~/ confuse(123), () => NaN ~/ 123);
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find(
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' Infinity: 1e+200 ~/ 1e-200',
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() => confuse(1e200) ~/ confuse(1e-200),
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() => confuse(1e200) ~/ 1e-200,
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() => 1e200 ~/ confuse(1e-200),
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() => 1e200 ~/ 1e-200);
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find('NaN.toInt()', () => confuse(NaN).toInt(), () => NaN.toInt());
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find(' Infinity.toInt()', () => confuse(Infinity).toInt(),
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() => Infinity.toInt());
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find('-Infinity.toInt()', () => confuse(-Infinity).toInt(),
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() => (-Infinity).toInt());
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find('NaN.ceil()', () => confuse(NaN).ceil(), () => NaN.ceil());
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find(' Infinity.ceil()', () => confuse(Infinity).ceil(),
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() => Infinity.ceil());
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find('-Infinity.ceil()', () => confuse(-Infinity).ceil(),
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() => (-Infinity).ceil());
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find('NaN.floor()', () => confuse(NaN).floor(), () => NaN.floor());
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find(' Infinity.floor()', () => confuse(Infinity).floor(),
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() => Infinity.floor());
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find('-Infinity.floor()', () => confuse(-Infinity).floor(),
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() => (-Infinity).floor());
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find('NaN.round()', () => confuse(NaN).round(), () => NaN.round());
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find(' Infinity.round()', () => confuse(Infinity).round(),
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() => Infinity.round());
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find('-Infinity.round()', () => confuse(-Infinity).round(),
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() => (-Infinity).round());
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// `truncate()` is the same as `toInt()`.
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// We could change the runtime so that `truncate` is reported.
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find('NaN.toInt()', () => confuse(NaN).truncate(), () => NaN.truncate());
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find(' Infinity.toInt()', () => confuse(Infinity).truncate(),
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() => Infinity.truncate());
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find('-Infinity.toInt()', () => confuse(-Infinity).truncate(),
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() => (-Infinity).truncate());
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}
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