31 строка
1.1 KiB
JavaScript
31 строка
1.1 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// RUN: %hermes -O -target=HBC %s | %FileCheck --match-full-lines %s
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// RUN: %hermes -O -target=HBC -emit-binary -out %t.hbc %s && %hermes %t.hbc | %FileCheck --match-full-lines %s
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"use strict";
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function foo() {}
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print("foo.length/configurable:", Object.getOwnPropertyDescriptor(foo, "length").configurable);
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//CHECK: foo.length/configurable: true
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print("foo.__proto__.length/configurable:", Object.getOwnPropertyDescriptor(foo.__proto__, "length").configurable);
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//CHECK: foo.__proto__.length/configurable: true
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print("Function.length/configurable:", Object.getOwnPropertyDescriptor(Function, "length").configurable);
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//CHECK: Function.length/configurable: true
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print(isNaN.name);
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//CHECK: isNaN
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print(Function.name);
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//CHECK: Function
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var a_func = function(){};
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print(a_func.hasOwnProperty("prototype"));
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//CHECK: true
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var a_arrow = () => {};
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print(a_arrow.hasOwnProperty("prototype"));
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//CHECK: false
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