| /* |
| * Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file |
| * for details. All rights reserved. Use of this source code is governed by a |
| * BSD-style license that can be found in the LICENSE file. |
| */ |
| /** |
| * @assertion A type T0 is a subtype of a type T1 (written T0 <: T1) when: |
| * Named Function Types: T0 is U0 Function<X0 extends B00, ..., Xk extends B0k> |
| * (T0 x0, ..., Tn xn, {Tn+1 xn+1, ..., Tm xm}) |
| * |
| * and T1 is U1 Function<Y0 extends B10, ..., Yk extends B1k>(S0 y0, ..., Sn yn, |
| * {Sn+1 yn+1, ..., Sq yq}) |
| * and {yn+1, ... , yq} subset of {xn+1, ... , xm} |
| * and Si[Z0/Y0, ..., Zk/Yk] <: Vi[Z0/X0, ..., Zk/Xk] for i in 0...n |
| * and Si[Z0/Y0, ..., Zk/Yk] <: Tj[Z0/X0, ..., Zk/Xk] for i in n+1...q, yj = xi |
| * and U0[Z0/X0, ..., Zk/Xk] <: U1[Z0/Y0, ..., Zk/Yk] |
| * and B0i[Z0/X0, ..., Zk/Xk] === B1i[Z0/Y0, ..., Zk/Yk] for i in 0...k |
| * where the Zi are fresh type variables with bounds B0i[Z0/X0, ..., Zk/Xk] |
| * @description Check that if T0 and T1 satisfies the rules above, then T0 is |
| * subtype of T1 |
| * @author sgrekhov@unipro.ru |
| */ |
| /** |
| * @description Check that if type T0 is a subtype of a type T1, then instance |
| * of T0 can be be assigned to the to local variable of type T1 |
| * @author sgrekhov@unipro.ru |
| */ |
| /* |
| * This test is generated from named_function_types_A01.dart and |
| * local_variable_x01.dart. |
| * Don't modify it. If you want to change this file, change one of the files |
| * above and then run generator.dart to regenerate the tests. |
| */ |
| |
| |
| |
| class U0 extends U1 {} |
| class U1 {} |
| class V0 {} |
| class V1 {} |
| class V2 {} |
| class V3 {} |
| class V4 {} |
| class S0 extends V0 {} |
| class S1 extends V1 {} |
| class S2 extends V2 {} |
| class S3 extends V3 {} |
| |
| typedef T0 = U0 Function(V0 x0, V1 x1, {V2? x2, V3? x3, V4? x4}); |
| typedef T1 = U1 Function(S0 y0, S1 y1, {S2? x2, S3? x3}); |
| |
| U0 t0Func(V0 x0, V1 x1, {V2? x2, V3? x3, V4? x4}) => new U0(); |
| U1 t1Func(S0 y0, S1 y1, {S2? x2, S3? x3}) => new U1(); |
| |
| T0 t0Instance = t0Func; |
| T1 t1Instance = t1Func; |
| |
| const t1Default = t1Func; |
| |
| |
| |
| |
| class LocalVariableTest { |
| |
| LocalVariableTest() { |
| T1 t1 = t0Instance; |
| t1 = t0Instance; |
| } |
| |
| static staticTest() { |
| T1 t1 = t0Instance; |
| t1 = t0Instance; |
| } |
| |
| test() { |
| T1 t1 = t0Instance; |
| t1 = t0Instance; |
| } |
| } |
| |
| main() { |
| foo() { |
| T1 t1 = t0Instance; |
| t1 = t0Instance; |
| } |
| |
| T1 t1 = t0Instance; |
| t1 = t0Instance; |
| foo(); |
| LocalVariableTest x = new LocalVariableTest(); |
| x.test(); |
| LocalVariableTest.staticTest(); |
| } |