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https://github.com/dart-lang/sdk
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8fda1d6cf3
In some cases adding default arguments modified the 'positional' arguments input List. Since there are 'accelerated' paths for small numbers of arguments, this bug did not show in any other tests. Change-Id: I5075c96ecfdc9645b85b9beeeb38305415153d20 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/204747 Commit-Queue: Stephen Adams <sra@google.com> Reviewed-by: Mayank Patke <fishythefish@google.com>
67 lines
2.3 KiB
Dart
67 lines
2.3 KiB
Dart
// Copyright (c) 2021, 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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// Test that the List of positional arguments to [Function.apply] is not
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// modified.
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import "package:expect/expect.dart";
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class A {
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foo([
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a = 10,
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b = 20,
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c = 30,
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d = 40,
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e = 50,
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f = 60,
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g = 70,
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h = 80,
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i = 90,
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]) =>
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'$a $b $c $d $e $f $g $h $i';
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}
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String static1(a, b, {c = 30, d = 40}) => '$a $b $c $d';
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void test(String expected, Function function, List positional,
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[Map<Symbol, dynamic>? named = null]) {
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final original = List.of(positional);
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Expect.equals(expected, Function.apply(function, positional, named));
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Expect.listEquals(original, positional);
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// Test again so there are multiple call sites for `Function.apply`.
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Expect.equals(expected, Function.apply(function, positional, named));
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Expect.listEquals(original, positional);
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}
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main() {
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var a = A();
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test('10 20 30 40 50 60 70 80 90', a.foo, []);
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test('11 20 30 40 50 60 70 80 90', a.foo, [11]);
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test('11 22 30 40 50 60 70 80 90', a.foo, [11, 22]);
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test('11 22 33 40 50 60 70 80 90', a.foo, [11, 22, 33]);
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test('11 22 33 44 50 60 70 80 90', a.foo, [11, 22, 33, 44]);
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test('11 22 33 44 55 60 70 80 90', a.foo, [11, 22, 33, 44, 55]);
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test('11 22 33 44 55 66 70 80 90', a.foo, [11, 22, 33, 44, 55, 66]);
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test('11 22 33 44 55 66 77 80 90', a.foo, [11, 22, 33, 44, 55, 66, 77]);
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test('11 22 33 44 55 66 77 88 90', a.foo, [11, 22, 33, 44, 55, 66, 77, 88]);
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test('11 22 33 44 55 66 77 88 99', a.foo,
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[11, 22, 33, 44, 55, 66, 77, 88, 99]);
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// Some unmodifiable Lists. An attempt to modify the argument would fail.
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test('11 22 33 44 55 66 77 80 90', a.foo, const [11, 22, 33, 44, 55, 66, 77]);
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test('65 66 67 68 69 70 71 80 90', a.foo, 'ABCDEFG'.codeUnits);
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test('11 22 30 40', static1, [11, 22]);
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test('11 22 30 40', static1, [11, 22], {});
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test('11 22 33 40', static1, [11, 22], {#c: 33});
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test('11 22 30 44', static1, [11, 22], {#d: 44});
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test('11 22 66 55', static1, [11, 22], {#d: 55, #c: 66});
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test('11 22 88 77', static1, const [11, 22], {#d: 77, #c: 88});
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test('65 66 11 22', static1, 'AB'.codeUnits, {#d: 22, #c: 11});
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}
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