test: Check private methods are not installed before super returns

This commit is contained in:
Kubilay Kahveci 2019-05-24 14:12:43 +01:00
parent 6f4c0d96f7
commit 27beedc281
6 changed files with 246 additions and 0 deletions

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// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: Private getters are installed "when super returns" and no earlier (call in constructor)
info: |
SuperCall: super Arguments
1. Let newTarget be GetNewTarget().
2. If newTarget is undefined, throw a ReferenceError exception.
3. Let func be ? GetSuperConstructor().
4. Let argList be ArgumentListEvaluation of Arguments.
5. ReturnIfAbrupt(argList).
6. Let result be ? Construct(func, argList, newTarget).
7. Let thisER be GetThisEnvironment( ).
8. Let F be thisER.[[FunctionObject]].
9. Assert: F is an ECMAScript function object.
10. Perform ? InitializeInstanceElements(result, F).
EDITOR'S NOTE:
Private fields are added to the object one by one, interspersed with
evaluation of the initializers, following the construction of the
receiver. These semantics allow for a later initializer to refer to
a previous private field.
template: default
features: [class-methods-private]
---*/
//- elements
constructor() {
this.f();
}
//- assertions
class D extends C {
f() { this.#m; }
get #m() { return 42; }
}
assert(D.prototype.hasOwnProperty('f'));
assert.throws(TypeError, function() {
var d = new D();
}, 'private getters are not installed before super returns');

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// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: Private getters are installed "when super returns" and no earlier (call in field initializer)
info: |
SuperCall: super Arguments
1. Let newTarget be GetNewTarget().
2. If newTarget is undefined, throw a ReferenceError exception.
3. Let func be ? GetSuperConstructor().
4. Let argList be ArgumentListEvaluation of Arguments.
5. ReturnIfAbrupt(argList).
6. Let result be ? Construct(func, argList, newTarget).
7. Let thisER be GetThisEnvironment( ).
8. Let F be thisER.[[FunctionObject]].
9. Assert: F is an ECMAScript function object.
10. Perform ? InitializeInstanceElements(result, F).
EDITOR'S NOTE:
Private fields are added to the object one by one, interspersed with
evaluation of the initializers, following the construction of the
receiver. These semantics allow for a later initializer to refer to
a previous private field.
template: default
features: [class-methods-private]
---*/
//- elements
f = this.g();
//- assertions
class D extends C {
g() { this.#m; }
get #m() { return 42; }
}
assert(D.prototype.hasOwnProperty('g'));
assert.throws(TypeError, function() {
var d = new D();
}, 'private getters are not installed before super returns');

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// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: Private methods are installed "when super returns" and no earlier (call in constructor)
info: |
SuperCall: super Arguments
1. Let newTarget be GetNewTarget().
2. If newTarget is undefined, throw a ReferenceError exception.
3. Let func be ? GetSuperConstructor().
4. Let argList be ArgumentListEvaluation of Arguments.
5. ReturnIfAbrupt(argList).
6. Let result be ? Construct(func, argList, newTarget).
7. Let thisER be GetThisEnvironment( ).
8. Let F be thisER.[[FunctionObject]].
9. Assert: F is an ECMAScript function object.
10. Perform ? InitializeInstanceElements(result, F).
EDITOR'S NOTE:
Private fields are added to the object one by one, interspersed with
evaluation of the initializers, following the construction of the
receiver. These semantics allow for a later initializer to refer to
a previous private field.
template: default
features: [class-methods-private]
---*/
//- elements
constructor() {
this.f();
}
//- assertions
class D extends C {
f() { this.#m(); }
#m() { return 42; }
}
assert(D.prototype.hasOwnProperty('f'));
assert.throws(TypeError, function() {
var d = new D();
}, 'private methods are not installed before super returns');

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// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: Private methods are installed "when super returns" and no earlier (call in field initializer)
info: |
SuperCall: super Arguments
1. Let newTarget be GetNewTarget().
2. If newTarget is undefined, throw a ReferenceError exception.
3. Let func be ? GetSuperConstructor().
4. Let argList be ArgumentListEvaluation of Arguments.
5. ReturnIfAbrupt(argList).
6. Let result be ? Construct(func, argList, newTarget).
7. Let thisER be GetThisEnvironment( ).
8. Let F be thisER.[[FunctionObject]].
9. Assert: F is an ECMAScript function object.
10. Perform ? InitializeInstanceElements(result, F).
EDITOR'S NOTE:
Private fields are added to the object one by one, interspersed with
evaluation of the initializers, following the construction of the
receiver. These semantics allow for a later initializer to refer to
a previous private field.
template: default
features: [class-methods-private]
---*/
//- elements
f = this.g();
//- assertions
class D extends C {
g() { this.#m(); }
#m() { return 42; }
}
assert(D.prototype.hasOwnProperty('g'));
assert.throws(TypeError, function() {
var d = new D();
}, 'private methods are not installed before super returns');

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// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: Private setters are installed "when super returns" and no earlier (call in constructor)
info: |
SuperCall: super Arguments
1. Let newTarget be GetNewTarget().
2. If newTarget is undefined, throw a ReferenceError exception.
3. Let func be ? GetSuperConstructor().
4. Let argList be ArgumentListEvaluation of Arguments.
5. ReturnIfAbrupt(argList).
6. Let result be ? Construct(func, argList, newTarget).
7. Let thisER be GetThisEnvironment( ).
8. Let F be thisER.[[FunctionObject]].
9. Assert: F is an ECMAScript function object.
10. Perform ? InitializeInstanceElements(result, F).
EDITOR'S NOTE:
Private fields are added to the object one by one, interspersed with
evaluation of the initializers, following the construction of the
receiver. These semantics allow for a later initializer to refer to
a previous private field.
template: default
features: [class-methods-private]
---*/
//- elements
constructor() {
this.f();
}
//- assertions
class D extends C {
f() { this.#m = 42; }
set #m(val) {}
}
assert(D.prototype.hasOwnProperty('f'));
assert.throws(TypeError, function() {
var d = new D();
}, 'private setters are not installed before super returns');

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// Copyright (C) 2019 Kubilay Kahveci (Bloomberg LP). All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: Private settters are installed "when super returns" and no earlier (call in field initializer)
info: |
SuperCall: super Arguments
1. Let newTarget be GetNewTarget().
2. If newTarget is undefined, throw a ReferenceError exception.
3. Let func be ? GetSuperConstructor().
4. Let argList be ArgumentListEvaluation of Arguments.
5. ReturnIfAbrupt(argList).
6. Let result be ? Construct(func, argList, newTarget).
7. Let thisER be GetThisEnvironment( ).
8. Let F be thisER.[[FunctionObject]].
9. Assert: F is an ECMAScript function object.
10. Perform ? InitializeInstanceElements(result, F).
EDITOR'S NOTE:
Private fields are added to the object one by one, interspersed with
evaluation of the initializers, following the construction of the
receiver. These semantics allow for a later initializer to refer to
a previous private field.
template: default
features: [class-methods-private]
---*/
//- elements
f = this.g();
//- assertions
class D extends C {
g() { this.#m = 42; }
set #m(val) {}
}
assert(D.prototype.hasOwnProperty('g'));
assert.throws(TypeError, function() {
var d = new D();
}, 'private setters are not installed before super returns');