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20d496729d
The templates are being used for many tests reusing the same available function forms. The format they are provided allow us to extend tests with cases for other tests relying in the same formats.
66 lines
2.3 KiB
JavaScript
66 lines
2.3 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/function-forms/dflt-arg-val-not-undefined.case
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// - src/function-forms/default/async-gen-named-func-expr.template
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/*---
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description: Use of intializer when argument value is not `undefined` (async generator named function expression)
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esid: sec-asyncgenerator-definitions-evaluation
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features: [default-parameters, async-iteration]
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flags: [generated, async]
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info: |
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AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier
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( FormalParameters ) { AsyncGeneratorBody }
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[...]
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7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
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AsyncGeneratorBody, funcEnv, strict).
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[...]
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14.1.19 Runtime Semantics: IteratorBindingInitialization
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FormalsList : FormalsList , FormalParameter
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[...]
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23. Let iteratorRecord be Record {[[Iterator]]:
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CreateListIterator(argumentsList), [[Done]]: false}.
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24. If hasDuplicates is true, then
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[...]
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25. Else,
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a. Perform ? IteratorBindingInitialization for formals with
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iteratorRecord and env as arguments.
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[...]
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---*/
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var obj = {};
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var falseCount = 0;
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var stringCount = 0;
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var nanCount = 0;
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var zeroCount = 0;
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var nullCount = 0;
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var objCount = 0;
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var callCount = 0;
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// Stores a reference `ref` for case evaluation
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var ref;
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ref = async function* g(aFalse = falseCount +=1, aString = stringCount += 1, aNaN = nanCount += 1, a0 = zeroCount += 1, aNull = nullCount += 1, aObj = objCount +=1) {
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assert.sameValue(aFalse, false);
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assert.sameValue(aString, '');
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assert.sameValue(aNaN, NaN);
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assert.sameValue(a0, 0);
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assert.sameValue(aNull, null);
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assert.sameValue(aObj, obj);
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callCount = callCount + 1;
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};
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ref(false, '', NaN, 0, null, obj).next().then(() => {
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assert.sameValue(callCount, 1, 'generator function invoked exactly once');
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}).then($DONE, $DONE);
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assert.sameValue(falseCount, 0, 'initializer not evaluated: false');
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assert.sameValue(stringCount, 0, 'initializer not evaluated: string');
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assert.sameValue(nanCount, 0, 'initializer not evaluated: NaN');
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assert.sameValue(zeroCount, 0, 'initializer not evaluated: 0');
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assert.sameValue(nullCount, 0, 'initializer not evaluated: null');
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assert.sameValue(objCount, 0, 'initializer not evaluated: object');
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