mirror of https://github.com/tc39/test262.git
34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-assignment/obj-prop-elem-init-evaluation.case
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// - src/dstr-assignment/default/assignment-expr.template
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/*---
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description: The Initializer should only be evaluated if v is undefined. (AssignmentExpression)
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esid: sec-variable-statement-runtime-semantics-evaluation
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es6id: 13.3.2.4
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features: [destructuring-binding]
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flags: [generated]
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info: |
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VariableDeclaration : BindingPattern Initializer
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1. Let rhs be the result of evaluating Initializer.
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2. Let rval be GetValue(rhs).
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3. ReturnIfAbrupt(rval).
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4. Return the result of performing BindingInitialization for
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BindingPattern passing rval and undefined as arguments.
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---*/
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var flag1 = false;
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var flag2 = false;
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var x, y;
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var result;
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var vals = { y: 1 };
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result = { x: x = flag1 = true, y: y = flag2 = true } = vals;
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assert.sameValue(x, true, 'value of `x`');
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assert.sameValue(flag1, true, 'value of `flag1`');
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assert.sameValue(y, 1, 'value of `y`');
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assert.sameValue(flag2, false, 'value of `flag2`');
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assert.sameValue(result, vals);
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