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Issue 3001803002: Migrate block 114 (and some of 113). (Closed)
Patch Set: Tweak app_jit status. Created 3 years, 3 months ago
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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 import 'dart:math' as math; 5 import 'dart:math' as math;
6 import 'dart:math' show min; // <-- generic: <T extends num>(T, T) -> T 6 import 'dart:math' show min; // <-- generic: <T extends num>(T, T) -> T
7 import 'package:expect/expect.dart'; 7 import 'package:expect/expect.dart';
8 8
9 class C { 9 class C {
10 /*=T*/ m/*<T extends num>*/(/*=T*/ x, /*=T*/ y) => min(x, y); 10 T m<T extends num>(T x, T y) => min(x, y);
11 int m2(int x, int y) => min(x, y); 11 int m2(int x, int y) => min(x, y);
12 } 12 }
13 13
14 typedef int Int2Int2Int(int x, int y); 14 typedef int Int2Int2Int(int x, int y);
15 15
16 void _test(Int2Int2Int f) { 16 void _test(Int2Int2Int f) {
17 int y = f(123, 456); 17 int y = f(123, 456);
18 Expect.equals(y, 123); 18 Expect.equals(y, 123);
19 // `f` doesn't take type args. 19 // `f` doesn't take type args.
20 Expect.throws(() => (f as dynamic) /*<int>*/(123, 456)); 20 Expect.throws(() => (f as dynamic)<int>(123, 456));
21 } 21 }
22 22
23 void _testParam(/*=T*/ minFn/*<T extends num>*/(/*=T*/ x, /*=T*/ y)) { 23 void _testParam(T minFn<T extends num>(T x, T y)) {
24 _test(minFn); 24 _test(minFn);
25 } 25 }
26 26
27 main() { 27 main() {
28 // Strong mode infers: `min<int>` 28 // Strong mode infers: `min<int>`
29 // Test simple/prefixed identifiers and property access 29 // Test simple/prefixed identifiers and property access
30 _test(min); 30 _test(min);
31 _test(math.min); 31 _test(math.min);
32 _test(new C().m); 32 _test(new C().m);
33 33
34 // Test local function, variable, and parameter 34 // Test local function, variable, and parameter
35 /*=T*/ m/*<T extends num>*/(/*=T*/ x, /*=T*/ y) => min(x, y); 35 T m<T extends num>(T x, T y) => min(x, y);
36 _test(m); 36 _test(m);
37 final f = min; 37 final f = min;
38 _test(f); 38 _test(f);
39 _testParam(math.min); 39 _testParam(math.min);
40 40
41 // A few misc tests for methods 41 // A few misc tests for methods
42 Expect.equals(123, (new C() as dynamic).m/*<int>*/(123, 456)); 42 Expect.equals(123, (new C() as dynamic).m<int>(123, 456));
43 Expect.throws(() => (new C() as dynamic).m2/*<int>*/(123, 456)); 43 Expect.throws(() => (new C() as dynamic).m2<int>(123, 456));
44 } 44 }
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