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Jan 13, 2025
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#2976. Add more operators tests #3043

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75 changes: 75 additions & 0 deletions LanguageFeatures/Static-access-shorthand/grammar_A04_t17.dart
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// Copyright (c) 2025, 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 We introduce grammar productions of the form:
/// ```
/// <postfixExpression> ::= ... -- all current productions
/// | <staticMemberShorthand> -- added production
///
/// <constantPattern> ::= ... -- all current productions
/// | <staticMemberShorthandValue> -- No selectors, no `.new`.
///
/// <staticMemberShorthand> ::= <staticMemberShorthandHead> <selector>*
///
/// <staticMemberShorthandHead> ::=
/// <staticMemberShorthandValue>
/// | '.' 'new' -- shorthand unnamed constructor
///
/// <staticMemberShorthandValue> ::= -- something that can potentially create a value.
/// | '.' <identifier> -- shorthand for qualified name
/// | 'const' '.' (<identifier> | 'new') <arguments> -- shorthand for constant object creation
/// ```
///
/// @description Checks that the static access shorthand syntax can be used with
/// the `[]` operator.
/// @author sgrekhov22@gmail.com

// SharedOptions=--enable-experiment=enum-shorthands

import '../../Utils/expect.dart';

class C {
static C zero = C(0);
int index;
List<int> values = [1, 2, 3];

C(this.index);
int operator [](C ind) => values[ind.index];
}

mixin M {
static M two = MO(2);
List<int> values = [1, 2, 3];

int operator [](M ind) => values[(ind as MO).index];
}
class MO with M {
int index;
MO(this.index);
}

enum E {
e0(0), e1(1), e2(2);
final int value;
static E two = E.e2;
const E(this.value);

int operator [](E ind) => values[ind.value].value;
}

extension type ET(int v) implements int {
static ET two = ET(2);
static List<int> values = [1, 2, 3];

int operator [](ET index) => ET.values[index.v];
}

main() {
Expect.equals(1, C(0)[.zero]);
Expect.equals(3, (MO(0) as M)[.two]);
Expect.equals(2, E.e1[.two]);
Expect.equals(1, E.e1[.e1]);
Expect.equals(3, ET(0)[.two]);

}
94 changes: 94 additions & 0 deletions LanguageFeatures/Static-access-shorthand/grammar_A04_t18.dart
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// Copyright (c) 2025, 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 We introduce grammar productions of the form:
/// ```
/// <postfixExpression> ::= ... -- all current productions
/// | <staticMemberShorthand> -- added production
///
/// <constantPattern> ::= ... -- all current productions
/// | <staticMemberShorthandValue> -- No selectors, no `.new`.
///
/// <staticMemberShorthand> ::= <staticMemberShorthandHead> <selector>*
///
/// <staticMemberShorthandHead> ::=
/// <staticMemberShorthandValue>
/// | '.' 'new' -- shorthand unnamed constructor
///
/// <staticMemberShorthandValue> ::= -- something that can potentially create a value.
/// | '.' <identifier> -- shorthand for qualified name
/// | 'const' '.' (<identifier> | 'new') <arguments> -- shorthand for constant object creation
/// ```
///
/// @description Checks that the static access shorthand syntax can be used with
/// the `[]=` operator. Test the first operand.
/// @author sgrekhov22@gmail.com

// SharedOptions=--enable-experiment=enum-shorthands

import '../../Utils/expect.dart';

class C {
static C zero = C(0);
int index;
List<int> values = [1, 2, 3];

C(this.index);
void operator []=(C ind, int value) {
values[ind.index] = value;
}
}

mixin M {
static M two = MO(2);
List<int> values = [1, 2, 3];

void operator []=(M ind, int value) {
values[(ind as MO).index] = value;
}
}
class MO with M {
int index;
MO(this.index);
}

enum E {
e0(0), e1(1), e2(2);
final int value;
static List<int> vals = [1, 2, 3];
static E two = E.e2;
const E(this.value);

void operator []=(E ind, int value) {
E.vals[ind.value] = value;
}
}

extension type ET(int v) implements int {
static ET two = ET(2);
static List<int> values = [1, 2, 3];

void operator []=(ET index, int value) {
ET.values[index.v] = value;
}
}

main() {
C c = C(0);
c[.zero] = 42;
Expect.equals(42, c.values[0]);

M m = MO(0);
m[.two] = 42;
Expect.equals(42, m.values[2]);

E.e0[.two] = 42;
Expect.equals(42, E.vals[2]);
E.e0[.e1] = 42;
Expect.equals(42, E.vals[1]);

ET et = ET(0);
et[.two] = 42;
Expect.equals(42, ET.values[2]);
}
91 changes: 91 additions & 0 deletions LanguageFeatures/Static-access-shorthand/grammar_A04_t19.dart
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// Copyright (c) 2025, 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 We introduce grammar productions of the form:
/// ```
/// <postfixExpression> ::= ... -- all current productions
/// | <staticMemberShorthand> -- added production
///
/// <constantPattern> ::= ... -- all current productions
/// | <staticMemberShorthandValue> -- No selectors, no `.new`.
///
/// <staticMemberShorthand> ::= <staticMemberShorthandHead> <selector>*
///
/// <staticMemberShorthandHead> ::=
/// <staticMemberShorthandValue>
/// | '.' 'new' -- shorthand unnamed constructor
///
/// <staticMemberShorthandValue> ::= -- something that can potentially create a value.
/// | '.' <identifier> -- shorthand for qualified name
/// | 'const' '.' (<identifier> | 'new') <arguments> -- shorthand for constant object creation
/// ```
///
/// @description Checks that the static access shorthand syntax can be used with
/// the `[]=` operator. Test the second operand.
/// @author sgrekhov22@gmail.com

// SharedOptions=--enable-experiment=enum-shorthands

import '../../Utils/expect.dart';

class C {
static C zero = C(0);
int v;
List<int> values = [1, 2, 3];

C(this.v);
void operator []=(int index, C value) {
values[index] = value.v;
}
}

mixin M {
static M two = MO(2);
List<int> values = [1, 2, 3];

void operator []=(int index, M value) {
values[index] = (value as MO).v;
}
}
class MO with M {
int v;
MO(this.v);
}

enum E {
e0(0), e1(1), e2(2);
final int v;
static List<int> vals = [1, 2, 3];
static E two = E.e2;
const E(this.v);

void operator []=(int index, E value) {
E.vals[index] = value.v;
}
}

extension type ET(int v) implements int {
static ET two = ET(2);
static List<int> values = [1, 2, 3];

void operator []=(int index, ET value) {
ET.values[index] = value.v;
}
}

main() {
C c = C(0);
c[1] = .zero;
Expect.equals(0, c.values[1]);
M m = MO(0);
m[0] = .two;
Expect.equals(2, m.values[0]);
E.e0[0] = .two;
Expect.equals(2, E.vals[0]);
E.e0[0] = .e1;
Expect.equals(1, E.vals[0]);
ET et = ET(0);
et[0] = .two;
Expect.equals(2, ET.values[0]);
}
76 changes: 76 additions & 0 deletions LanguageFeatures/Static-access-shorthand/grammar_A06_t03.dart
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// Copyright (c) 2025, 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 We introduce grammar productions of the form:
/// ```
/// <postfixExpression> ::= ... -- all current productions
/// | <staticMemberShorthand> -- added production
///
/// <constantPattern> ::= ... -- all current productions
/// | <staticMemberShorthandValue> -- No selectors, no `.new`.
///
/// <staticMemberShorthand> ::= <staticMemberShorthandHead> <selector>*
///
/// <staticMemberShorthandHead> ::=
/// <staticMemberShorthandValue>
/// | '.' 'new' -- shorthand unnamed constructor
///
/// <staticMemberShorthandValue> ::= -- something that can potentially create a value.
/// | '.' <identifier> -- shorthand for qualified name
/// | 'const' '.' (<identifier> | 'new') <arguments> -- shorthand for constant object creation
/// ```
///
/// @description Checks that it is a compile-time error to use the static access
/// shorthand syntax with the `as` operator.
/// @author sgrekhov22@gmail.com

// SharedOptions=--enable-experiment=enum-shorthands

class C {
static C one = C(1);
int v;
C(this.v);
}

mixin M on C {
static M two = MC(2);
}
class MC = C with M;

enum E {
e1;

static E one = E.e1;
}

extension type ET(int v) implements int {
static ET one = ET(1);
}

main() {
C c = .one as C; // ignore: unnecessary_cast
// ^
// [analyzer] unspecified
// [cfe] unspecified

M m = .two as M; // ignore: unnecessary_cast
// ^
// [analyzer] unspecified
// [cfe] unspecified

E e1 = .one as E; // ignore: unnecessary_cast
// ^
// [analyzer] unspecified
// [cfe] unspecified

E e2 = .e1 as E; // ignore: unnecessary_cast
// ^
// [analyzer] unspecified
// [cfe] unspecified

ET et = .one as ET; // ignore: unnecessary_cast
// ^
// [analyzer] unspecified
// [cfe] unspecified
}
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