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Side by Side Diff: tests/language_strong/conditional_method_invocation_test.dart

Issue 2765693002: Update all tests (Closed)
Patch Set: Created 3 years, 9 months ago
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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2015, 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 // Verify semantics of the ?. operator when it is used to invoke a method. 5 // Verify semantics of the ?. operator when it is used to invoke a method.
6 6
7 import "package:expect/expect.dart"; 7 import "package:expect/expect.dart";
8 import "conditional_access_helper.dart" as h; 8 import "conditional_access_helper.dart" as h;
9 9
10 bad() { 10 bad() {
(...skipping 12 matching lines...) Expand all
23 } 23 }
24 24
25 C nullC() => null; 25 C nullC() => null;
26 26
27 main() { 27 main() {
28 // Make sure the "none" test fails if method invocation using "?." is not 28 // Make sure the "none" test fails if method invocation using "?." is not
29 // implemented. This makes status files easier to maintain. 29 // implemented. This makes status files easier to maintain.
30 nullC()?.f(null); 30 nullC()?.f(null);
31 31
32 // o?.m(...) is equivalent to ((x) => x == null ? null : x.m(...))(o). 32 // o?.m(...) is equivalent to ((x) => x == null ? null : x.m(...))(o).
33 Expect.equals(null, nullC()?.f(bad())); /// 01: ok 33 Expect.equals(null, nullC()?.f(bad())); //# 01: ok
34 Expect.equals(1, new C()?.f(() => 1)); /// 02: ok 34 Expect.equals(1, new C()?.f(() => 1)); //# 02: ok
35 35
36 // C?.m(...) is equivalent to C.m(...). 36 // C?.m(...) is equivalent to C.m(...).
37 Expect.equals(1, C?.staticF(() => 1)); /// 14: ok 37 Expect.equals(1, C?.staticF(() => 1)); //# 14: ok
38 Expect.equals(1, h.C?.staticF(() => 1)); /// 15: ok 38 Expect.equals(1, h.C?.staticF(() => 1)); //# 15: ok
39 39
40 // The static type of o?.m(...) is the same as the static type of 40 // The static type of o?.m(...) is the same as the static type of
41 // o.m(...). 41 // o.m(...).
42 { int i = nullC()?.g(bad()); Expect.equals(null, i); } /// 03: ok 42 { int i = nullC()?.g(bad()); Expect.equals(null, i); } //# 03: ok
43 { int i = new C()?.g(() => 1); Expect.equals(1, i); } /// 04: ok 43 { int i = new C()?.g(() => 1); Expect.equals(1, i); } //# 04: ok
44 { String s = nullC()?.g(bad()); Expect.equals(null, s); } /// 05: static type warning 44 { String s = nullC()?.g(bad()); Expect.equals(null, s); } //# 05: static type warning
45 { String s = new C()?.g(() => null); Expect.equals(null, s); } /// 06: static type warning 45 { String s = new C()?.g(() => null); Expect.equals(null, s); } //# 06: static type warning
46 { int i = C?.staticG(() => 1); Expect.equals(1, i); } /// 16: ok 46 { int i = C?.staticG(() => 1); Expect.equals(1, i); } //# 16: ok
47 { int i = h.C?.staticG(() => 1); Expect.equals(1, i); } /// 17: ok 47 { int i = h.C?.staticG(() => 1); Expect.equals(1, i); } //# 17: ok
48 { String s = C?.staticG(() => null); Expect.equals(null, s); } /// 18: static type warning 48 { String s = C?.staticG(() => null); Expect.equals(null, s); } //# 18: static type warning
49 { String s = h.C?.staticG(() => null); Expect.equals(null, s); } /// 19: stati c type warning 49 { String s = h.C?.staticG(() => null); Expect.equals(null, s); } //# 19: stati c type warning
50 50
51 // Let T be the static type of o and let y be a fresh variable of type T. 51 // Let T be the static type of o and let y be a fresh variable of type T.
52 // Exactly the same static warnings that would be caused by y.m(...) are also 52 // Exactly the same static warnings that would be caused by y.m(...) are also
53 // generated in the case of o?.m(...). 53 // generated in the case of o?.m(...).
54 { B b = new C(); Expect.equals(1, b?.f(() => 1)); } /// 07: static type warnin g 54 { B b = new C(); Expect.equals(1, b?.f(() => 1)); } //# 07: static type warnin g
55 { int i = 1; Expect.equals(null, nullC()?.f(i)); } /// 08: static type warning 55 { int i = 1; Expect.equals(null, nullC()?.f(i)); } //# 08: static type warning
56 56
57 // '?.' can't be used to access toplevel functions in libraries imported via 57 // '?.' can't be used to access toplevel functions in libraries imported via
58 // prefix. 58 // prefix.
59 h?.topLevelFunction(); /// 11: compile-time error 59 h?.topLevelFunction(); //# 11: compile-time error
60 60
61 // Nor can it be used to access the toString method on the class Type. 61 // Nor can it be used to access the toString method on the class Type.
62 Expect.throws(() => C?.toString(), noMethod); /// 12: static type warning 62 Expect.throws(() => C?.toString(), noMethod); //# 12: static type warning
63 Expect.throws(() => h.C?.toString(), noMethod); /// 13: static type warning 63 Expect.throws(() => h.C?.toString(), noMethod); //# 13: static type warning
64 } 64 }
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