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			59 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// This file was procedurally generated from the following sources:
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// - src/spread/obj-getter-descriptor.case
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// - src/spread/default/call-expr.template
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/*---
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description: Spread operation with getter results in data property descriptor (CallExpression)
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esid: sec-function-calls-runtime-semantics-evaluation
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es6id: 12.3.4.1
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features: [object-spread]
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flags: [generated]
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includes: [propertyHelper.js]
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info: |
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    CallExpression : MemberExpression Arguments
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    [...]
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    9. Return EvaluateDirectCall(func, thisValue, Arguments, tailCall).
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    12.3.4.3 Runtime Semantics: EvaluateDirectCall
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    1. Let argList be ArgumentListEvaluation(arguments).
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    [...]
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    6. Let result be Call(func, thisValue, argList).
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    [...]
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    Pending Runtime Semantics: PropertyDefinitionEvaluation
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    PropertyDefinition:...AssignmentExpression
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    1. Let exprValue be the result of evaluating AssignmentExpression.
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    2. Let fromValue be GetValue(exprValue).
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    3. ReturnIfAbrupt(fromValue).
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    4. Let excludedNames be a new empty List.
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    5. Return CopyDataProperties(object, fromValue, excludedNames).
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---*/
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let o = {
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    get a() {
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        return 42;
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    }
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};
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var callCount = 0;
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(function(obj) {
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  assert.sameValue(obj.c, 4);
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  assert.sameValue(obj.d, 5);
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  assert.sameValue(Object.keys(obj).length, 3);
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  verifyProperty(obj, "a", {
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    enumerable: true,
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    writable: true,
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    configurable: true,
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    value: 42
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  });
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  callCount += 1;
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}({...o, c: 4, d: 5}));
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assert.sameValue(callCount, 1);
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