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48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/spread/obj-overrides-prev-properties.case
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// - src/spread/default/call-expr.template
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/*---
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description: Object Spread properties overrides previous definitions (CallExpression)
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esid: sec-function-calls-runtime-semantics-evaluation
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features: [object-spread]
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flags: [generated]
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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 = {a: 2, b: 3};
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var callCount = 0;
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(function(obj) {
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assert.sameValue(obj.a, 2);
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assert.sameValue(obj.b, 3);
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assert.sameValue(Object.keys(obj).length, 2);
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assert.sameValue(o.a, 2);
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assert.sameValue(o.b, 3);
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callCount += 1;
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}({a: 1, b: 7, ...o}));
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assert.sameValue(callCount, 1);
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