mirror of
https://github.com/dart-lang/sdk
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fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
92 lines
2.8 KiB
Dart
92 lines
2.8 KiB
Dart
// Copyright (c) 2011, 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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// Test to stress Frog's named parameter scheme.
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main() {
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testDollar();
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testPsycho();
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}
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class TestClass {
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method({a, b, a$b, a$$b}) => [a, b, a$b, a$$b];
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psycho({$, $$, $$$, $$$$}) => [$, $$, $$$, $$$$];
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}
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globalMethod({a, b, a$b, a$$b}) => [a, b, a$b, a$$b];
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format(thing) {
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if (thing == null) return '-';
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if (thing is List) {
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var fragments = ['['];
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var sep;
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for (final item in thing) {
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if (sep != null) fragments.add(sep);
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sep = ', ';
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fragments.add(format(item));
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}
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fragments.add(']');
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return fragments.join();
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}
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return thing.toString();
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}
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// Hopefully inscrutable to static analysis.
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makeTestClass(n) => [new TestClass(), new Decoy(), 'string'][n % 3];
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class Decoy {
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method([a$b, b, a]) {
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throw new UnimplementedError();
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}
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psycho([$$$, $$, $]) {
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throw new UnimplementedError();
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}
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}
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testDollar() {
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Expect.equals('[]', format([]));
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Expect.equals('[-, -, -, -]', format(globalMethod()));
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Expect.equals('[1, 2, -, -]', format(globalMethod(a: 1, b: 2)));
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Expect.equals('[1, 2, -, -]', format(globalMethod(b: 2, a: 1)));
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Expect.equals('[-, -, 3, -]', format(globalMethod(a$b: 3)));
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Expect.equals('[-, -, -, 4]', format(globalMethod(a$$b: 4)));
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TestClass t = new TestClass(); // Statically typed.
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Expect.equals('[-, -, -, -]', format(t.method()));
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Expect.equals('[1, 2, -, -]', format(t.method(a: 1, b: 2)));
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Expect.equals('[1, 2, -, -]', format(t.method(b: 2, a: 1)));
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Expect.equals('[-, -, 3, -]', format(t.method(a$b: 3)));
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Expect.equals('[-, -, -, 4]', format(t.method(a$$b: 4)));
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var obj = makeTestClass(0);
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Expect.equals('[-, -, -, -]', format(obj.method()));
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Expect.equals('[1, 2, -, -]', format(obj.method(a: 1, b: 2)));
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Expect.equals('[1, 2, -, -]', format(obj.method(b: 2, a: 1)));
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Expect.equals('[-, -, 3, -]', format(obj.method(a$b: 3)));
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Expect.equals('[-, -, -, 4]', format(obj.method(a$$b: 4)));
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}
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testPsycho() {
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TestClass t = new TestClass(); // Statically typed.
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Expect.equals('[1, 2, 3, -]', format(t.psycho($: 1, $$: 2, $$$: 3)));
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Expect.equals('[1, 2, 3, -]', format(t.psycho($$$: 3, $$: 2, $: 1)));
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Expect.equals('[1, 2, -, -]', format(t.psycho($: 1, $$: 2)));
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Expect.equals('[-, -, -, 4]', format(t.psycho($$$$: 4)));
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var obj = makeTestClass(0);
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Expect.equals('[1, 2, -, -]', format(obj.psycho($: 1, $$: 2)));
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Expect.equals('[-, -, -, 4]', format(obj.psycho($$$$: 4)));
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Expect.equals('[1, 2, 3, -]', format(obj.psycho($: 1, $$: 2, $$$: 3)));
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Expect.equals('[1, 2, 3, -]', format(obj.psycho($$$: 3, $$: 2, $: 1)));
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}
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