blob: 4fc16707872d768cc2e2df5ff5bec8044003a219 [file] [log] [blame]
// This file was procedurally generated from the following sources:
// - src/function-forms/dflt-params-arg-val-not-undefined.case
// - src/function-forms/default/func-decl.template
/*---
description: Use of initializer when argument value is not `undefined` (function declaration)
esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
features: [default-parameters]
flags: [generated]
info: |
FunctionDeclaration :
function BindingIdentifier ( FormalParameters ) { FunctionBody }
[...]
3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody,
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;
// Stores a reference `ref` for case evaluation
function ref(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;
}
ref(false, '', NaN, 0, null, obj);
assert.sameValue(callCount, 1, 'function 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');