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Add cases for Optional Expressions as DestructuringAssignmentTarget

This commit is contained in:
Leo Balter 2019-08-01 16:21:09 -04:00 committed by Rick Waldron
parent ff9763729d
commit 29627e892b
9 changed files with 452 additions and 0 deletions
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4
features.txt
View File

@ -133,6 +133,10 @@ import.meta
WeakRef
FinalizationGroup
# Optional Chaining
# https://github.com/tc39/proposal-optional-chaining
optional-chaining
## Standard language features
#
# Language features that have been included in a published version of the

55
src/dstr-assignment/array-elem-nested-memberexpr-optchain-prop-ref-init.case Normal file
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@ -0,0 +1,55 @@
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-DestructuringAssignmentTarget
desc: >
It is a Syntax Error if LeftHandSideExpression of an DestructuringAssignmentTarget is neither an
ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple
Using Object
(MemberExpression OptionalChain .IdentifierName Initializer)
info: |
Syntax
AssignmentElement : DestructuringAssignmentTarget Initializer_opt
DestructuringAssignmentTarget : LeftHandSideExpression
Static Semantics: Early Errors
OptionalExpression:
MemberExpression OptionalChain
CallExpression OptionalChain
OptionalExpression OptionalChain
OptionalChain:
?. [ Expression ]
?. IdentifierName
?. Arguments
?. TemplateLiteral
OptionalChain [ Expression ]
OptionalChain .IdentifierName
OptionalChain Arguments
OptionalChain TemplateLiteral
DestructuringAssignmentTarget : LeftHandSideExpression
- It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is not true.
Static Semantics: IsValidSimpleAssignmentTarget
LeftHandSideExpression : OptionalExpression
1. Return false.
features: [optional-chaining]
template: syntax
negative:
phase: parse
type: SyntaxError
---*/
//- setup
$DONOTEVALUATE();
var x = {};
//- elems
[x?.y = 42]
//- vals
[23]

55
src/dstr-assignment/array-elem-nested-memberexpr-optchain-prop-ref.case Normal file
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@ -0,0 +1,55 @@
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-DestructuringAssignmentTarget
desc: >
It is a Syntax Error if LeftHandSideExpression of an DestructuringAssignmentTarget is neither an
ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple
Using Object
(MemberExpression OptionalChain .IdentifierName)
info: |
Syntax
AssignmentElement : DestructuringAssignmentTarget Initializer_opt
DestructuringAssignmentTarget : LeftHandSideExpression
Static Semantics: Early Errors
OptionalExpression:
MemberExpression OptionalChain
CallExpression OptionalChain
OptionalExpression OptionalChain
OptionalChain:
?. [ Expression ]
?. IdentifierName
?. Arguments
?. TemplateLiteral
OptionalChain [ Expression ]
OptionalChain .IdentifierName
OptionalChain Arguments
OptionalChain TemplateLiteral
DestructuringAssignmentTarget : LeftHandSideExpression
- It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is not true.
Static Semantics: IsValidSimpleAssignmentTarget
LeftHandSideExpression : OptionalExpression
1. Return false.
features: [optional-chaining]
template: syntax
negative:
phase: parse
type: SyntaxError
---*/
//- setup
$DONOTEVALUATE();
var x = {};
//- elems
[x?.y]
//- vals
[23]

57
src/dstr-assignment/array-elem-put-obj-literal-optchain-prop-ref-init.case Normal file
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@ -0,0 +1,57 @@
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-DestructuringAssignmentTarget
desc: >
It is a Syntax Error if LeftHandSideExpression of an DestructuringAssignmentTarget is neither an
ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple
Using Object
info: |
Syntax
AssignmentElement : DestructuringAssignmentTarget Initializer_opt
DestructuringAssignmentTarget : LeftHandSideExpression
Static Semantics: Early Errors
OptionalExpression:
MemberExpression OptionalChain
CallExpression OptionalChain
OptionalExpression OptionalChain
OptionalChain:
?. [ Expression ]
?. IdentifierName
?. Arguments
?. TemplateLiteral
OptionalChain [ Expression ]
OptionalChain .IdentifierName
OptionalChain Arguments
OptionalChain TemplateLiteral
DestructuringAssignmentTarget : LeftHandSideExpression
- It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is not true.
Static Semantics: IsValidSimpleAssignmentTarget
LeftHandSideExpression : OptionalExpression
1. Return false.
features: [optional-chaining]
template: syntax
negative:
phase: parse
type: SyntaxError
---*/
//- setup
$DONOTEVALUATE();
//- elems
[{
set y(val) {
throw new Test262Error('The property should not be accessed.');
}
}?.y = 42]
//- vals
[23]

57
src/dstr-assignment/array-elem-put-obj-literal-optchain-prop-ref.case Normal file
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@ -0,0 +1,57 @@
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-DestructuringAssignmentTarget
desc: >
It is a Syntax Error if LeftHandSideExpression of an DestructuringAssignmentTarget is neither an
ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple
Using Object
info: |
Syntax
AssignmentElement : DestructuringAssignmentTarget Initializer_opt
DestructuringAssignmentTarget : LeftHandSideExpression
Static Semantics: Early Errors
OptionalExpression:
MemberExpression OptionalChain
CallExpression OptionalChain
OptionalExpression OptionalChain
OptionalChain:
?. [ Expression ]
?. IdentifierName
?. Arguments
?. TemplateLiteral
OptionalChain [ Expression ]
OptionalChain .IdentifierName
OptionalChain Arguments
OptionalChain TemplateLiteral
DestructuringAssignmentTarget : LeftHandSideExpression
- It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is not true.
Static Semantics: IsValidSimpleAssignmentTarget
LeftHandSideExpression : OptionalExpression
1. Return false.
features: [optional-chaining]
template: syntax
negative:
phase: parse
type: SyntaxError
---*/
//- setup
$DONOTEVALUATE();
//- elems
[{
set y(val) {
throw new Test262Error('The property should not be accessed.');
}
}?.y]
//- vals
[23]

55
src/dstr-assignment/obj-prop-elem-target-memberexpr-optchain-prop-ref-init.case Normal file
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@ -0,0 +1,55 @@
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-DestructuringAssignmentTarget
desc: >
It is a Syntax Error if LeftHandSideExpression of an DestructuringAssignmentTarget is neither an
ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple
Using Object
(MemberExpression OptionalChain .IdentifierName Initializer)
info: |
Syntax
AssignmentElement : DestructuringAssignmentTarget Initializer_opt
DestructuringAssignmentTarget : LeftHandSideExpression
Static Semantics: Early Errors
OptionalExpression:
MemberExpression OptionalChain
CallExpression OptionalChain
OptionalExpression OptionalChain
OptionalChain:
?. [ Expression ]
?. IdentifierName
?. Arguments
?. TemplateLiteral
OptionalChain [ Expression ]
OptionalChain .IdentifierName
OptionalChain Arguments
OptionalChain TemplateLiteral
DestructuringAssignmentTarget : LeftHandSideExpression
- It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is not true.
Static Semantics: IsValidSimpleAssignmentTarget
LeftHandSideExpression : OptionalExpression
1. Return false.
features: [optional-chaining]
template: syntax
negative:
phase: parse
type: SyntaxError
---*/
//- setup
$DONOTEVALUATE();
var y = {};
//- elems
{ x: y?.z = 42 }
//- vals
{ x: 23 }

55
src/dstr-assignment/obj-prop-elem-target-memberexpr-optchain-prop-ref.case Normal file
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@ -0,0 +1,55 @@
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-DestructuringAssignmentTarget
desc: >
It is a Syntax Error if LeftHandSideExpression of an DestructuringAssignmentTarget is neither an
ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple
Using Object
(MemberExpression OptionalChain .IdentifierName)
info: |
Syntax
AssignmentElement : DestructuringAssignmentTarget Initializer_opt
DestructuringAssignmentTarget : LeftHandSideExpression
Static Semantics: Early Errors
OptionalExpression:
MemberExpression OptionalChain
CallExpression OptionalChain
OptionalExpression OptionalChain
OptionalChain:
?. [ Expression ]
?. IdentifierName
?. Arguments
?. TemplateLiteral
OptionalChain [ Expression ]
OptionalChain .IdentifierName
OptionalChain Arguments
OptionalChain TemplateLiteral
DestructuringAssignmentTarget : LeftHandSideExpression
- It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is not true.
Static Semantics: IsValidSimpleAssignmentTarget
LeftHandSideExpression : OptionalExpression
1. Return false.
features: [optional-chaining]
template: syntax
negative:
phase: parse
type: SyntaxError
---*/
//- setup
$DONOTEVALUATE();
var y = {};
//- elems
{ x: y?.z }
//- vals
{ x: 23 }

57
src/dstr-assignment/obj-prop-elem-target-obj-literal-optchain-prop-ref-init.case Normal file
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@ -0,0 +1,57 @@
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-DestructuringAssignmentTarget
desc: >
It is a Syntax Error if LeftHandSideExpression of an DestructuringAssignmentTarget is neither an
ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple
Using Object
info: |
Syntax
AssignmentElement : DestructuringAssignmentTarget Initializer_opt
DestructuringAssignmentTarget : LeftHandSideExpression
Static Semantics: Early Errors
OptionalExpression:
MemberExpression OptionalChain
CallExpression OptionalChain
OptionalExpression OptionalChain
OptionalChain:
?. [ Expression ]
?. IdentifierName
?. Arguments
?. TemplateLiteral
OptionalChain [ Expression ]
OptionalChain .IdentifierName
OptionalChain Arguments
OptionalChain TemplateLiteral
DestructuringAssignmentTarget : LeftHandSideExpression
- It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is not true.
Static Semantics: IsValidSimpleAssignmentTarget
LeftHandSideExpression : OptionalExpression
1. Return false.
features: [optional-chaining]
template: syntax
negative:
phase: parse
type: SyntaxError
---*/
//- setup
$DONOTEVALUATE();
//- elems
{ x: {
set y(val) {
throw new Test262Error('The property should not be accessed.');
}
}?.y = 42}
//- vals
{x: 42}

57
src/dstr-assignment/obj-prop-elem-target-obj-literal-optchain-prop-ref.case Normal file
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@ -0,0 +1,57 @@
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-DestructuringAssignmentTarget
desc: >
It is a Syntax Error if LeftHandSideExpression of an DestructuringAssignmentTarget is neither an
ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple
Using Object
info: |
Syntax
AssignmentElement : DestructuringAssignmentTarget Initializer_opt
DestructuringAssignmentTarget : LeftHandSideExpression
Static Semantics: Early Errors
OptionalExpression:
MemberExpression OptionalChain
CallExpression OptionalChain
OptionalExpression OptionalChain
OptionalChain:
?. [ Expression ]
?. IdentifierName
?. Arguments
?. TemplateLiteral
OptionalChain [ Expression ]
OptionalChain .IdentifierName
OptionalChain Arguments
OptionalChain TemplateLiteral
DestructuringAssignmentTarget : LeftHandSideExpression
- It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and IsValidSimpleAssignmentTarget(LeftHandSideExpression) is not true.
Static Semantics: IsValidSimpleAssignmentTarget
LeftHandSideExpression : OptionalExpression
1. Return false.
features: [optional-chaining]
template: syntax
negative:
phase: parse
type: SyntaxError
---*/
//- setup
$DONOTEVALUATE();
//- elems
{ x: {
set y(val) {
throw new Test262Error('The property should not be accessed.');
}
}?.y}
//- vals
{x: 42}