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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
80 lines
2.2 KiB
Dart
80 lines
2.2 KiB
Dart
// Copyright (c) 2012, 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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// @dart = 2.9
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import "package:expect/expect.dart";
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import "symbol_map_helper.dart";
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// Testing Function.apply calls correctly.
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// This test is not testing error handling, only that correct parameters
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// cause a correct call.
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int test0() => 42;
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int test0a({int a}) => 37 + a;
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int test1(int i) => i + 1;
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int test1a(int i, {int a}) => i + a;
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int test2(int i, int j) => i + j;
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int test2a(int i, int j, {int a}) => i + j + a;
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class C {
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int x = 10;
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int foo(y) => this.x + y;
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}
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class Callable {
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int call(int x, int y) => x + y;
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}
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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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main() {
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testMap(res, func, map) {
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Expect.equals(res, Function.apply(func, null, map));
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Expect.equals(res, Function.apply(func, [], map));
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}
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testList(res, func, list) {
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Expect.equals(res, Function.apply(func, list));
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Expect.equals(res, Function.apply(func, list, null));
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Expect.equals(res, Function.apply(func, list, new Map<Symbol, dynamic>()));
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}
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testListTyped(res, Function func, list) => testList(res, func, list);
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test(res, func, list, map) {
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Expect.equals(res, Function.apply(func, list, map));
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}
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testList(42, test0, null);
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testList(42, test0, []);
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testMap(42, test0a, {#a: 5});
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testList(42, test1, [41]);
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test(42, test1a, [20], {#a: 22});
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testList(42, test2, [20, 22]);
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test(42, test2a, [10, 15], {#a: 17});
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// Test that "this" is correct when calling closurized functions.
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var cfoo = new C().foo;
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testList(42, cfoo, [32]);
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// Test that apply works even with a different name.
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var app = confuse(Function.apply);
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Expect.equals(42, app(test2, [22, 20]));
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// Test that apply can itself be applied.
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Expect.equals(
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42,
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Function.apply(Function.apply, [
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test2,
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[17, 25]
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]));
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// Test that apply works on callable objects when it is passed to a method
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// that expects Function (and not dynamic).
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Expect.throws(() => testList(42, new Callable(), [13, 29])); //# 01: ok
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testListTyped(42, new Callable(), [13, 29]); //# 02: ok
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}
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