mirror of https://github.com/tc39/test262.git
112 lines
3.8 KiB
JavaScript
112 lines
3.8 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/function-forms/dflt-params-arg-val-not-undefined.case
|
|
// - src/function-forms/default/cls-expr-gen-meth-static.template
|
|
/*---
|
|
description: Use of intializer when argument value is not `undefined` (static class expression generator method)
|
|
esid: sec-class-definitions-runtime-semantics-evaluation
|
|
features: [default-parameters]
|
|
flags: [generated]
|
|
info: |
|
|
ClassExpression : class BindingIdentifieropt ClassTail
|
|
|
|
1. If BindingIdentifieropt is not present, let className be undefined.
|
|
2. Else, let className be StringValue of BindingIdentifier.
|
|
3. Let value be the result of ClassDefinitionEvaluation of ClassTail
|
|
with argument className.
|
|
[...]
|
|
|
|
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
|
|
|
|
21. For each ClassElement m in order from methods
|
|
a. If IsStatic of m is false, then
|
|
b. Else,
|
|
Let status be the result of performing PropertyDefinitionEvaluation
|
|
for m with arguments F and false.
|
|
[...]
|
|
|
|
14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
|
|
|
|
GeneratorMethod :
|
|
* PropertyName ( StrictFormalParameters ) { GeneratorBody }
|
|
|
|
1. Let propKey be the result of evaluating PropertyName.
|
|
2. ReturnIfAbrupt(propKey).
|
|
3. If the function code for this GeneratorMethod is strict mode code,
|
|
let strict be true. Otherwise let strict be false.
|
|
4. Let scope be the running execution context's LexicalEnvironment.
|
|
5. Let closure be GeneratorFunctionCreate(Method,
|
|
StrictFormalParameters, GeneratorBody, scope, strict).
|
|
|
|
9.2.1 [[Call]] ( thisArgument, argumentsList)
|
|
|
|
[...]
|
|
7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
|
|
[...]
|
|
|
|
9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
|
|
|
|
1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
|
|
[...]
|
|
|
|
9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
|
|
|
|
[...]
|
|
23. Let iteratorRecord be Record {[[iterator]]:
|
|
CreateListIterator(argumentsList), [[done]]: false}.
|
|
24. If hasDuplicates is true, then
|
|
[...]
|
|
25. Else,
|
|
b. Let formalStatus be IteratorBindingInitialization for formals with
|
|
iteratorRecord and env as arguments.
|
|
[...]
|
|
|
|
14.1.19 Runtime Semantics: IteratorBindingInitialization
|
|
|
|
FormalsList : FormalsList , FormalParameter
|
|
|
|
[...]
|
|
23. Let iteratorRecord be Record {[[Iterator]]:
|
|
CreateListIterator(argumentsList), [[Done]]: false}.
|
|
24. If hasDuplicates is true, then
|
|
[...]
|
|
25. Else,
|
|
a. Perform ? IteratorBindingInitialization for formals with
|
|
iteratorRecord and env as arguments.
|
|
[...]
|
|
|
|
---*/
|
|
var obj = {};
|
|
var falseCount = 0;
|
|
var stringCount = 0;
|
|
var nanCount = 0;
|
|
var zeroCount = 0;
|
|
var nullCount = 0;
|
|
var objCount = 0;
|
|
|
|
var callCount = 0;
|
|
var C = class {
|
|
static *method(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
|
|
assert.sameValue(aFalse, false);
|
|
assert.sameValue(aString, '');
|
|
assert.sameValue(aNaN, NaN);
|
|
assert.sameValue(a0, 0);
|
|
assert.sameValue(aNull, null);
|
|
assert.sameValue(aObj, obj);
|
|
callCount = callCount + 1;
|
|
}
|
|
};
|
|
|
|
C.method(false, '', NaN, 0, null, obj).next();
|
|
|
|
// Stores a reference `ref` for case evaluation
|
|
var ref = C.method;
|
|
|
|
assert.sameValue(callCount, 1, 'method invoked exactly once');
|
|
|
|
assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
|
|
assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
|
|
assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
|
|
assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
|
|
assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
|
|
assert.sameValue(objCount, 0, 'initializer not evaluated: object');
|