1) Make sure we don't enable prototype setup mode for parent class and its prototype objects. 2) Make sure we create builtins and their prototypes with completed setup mode. 3) Drive-by-fix: setup typed array classes in bootstrapper.cc instead of typedarray.js, and drop %FunctionSetPrototype(). Bug: v8:7115, v8:5902 Change-Id: I58ac091d85647abc3307bd47baf48e378e3695c5 Reviewed-on: https://chromium-review.googlesource.com/790992 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#49655}
34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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function TestBuiltinSubclassing(Builtin) {
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assertTrue(%HasFastProperties(Builtin));
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assertTrue(%HasFastProperties(Builtin.prototype));
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assertTrue(%HasFastProperties(Builtin.prototype.__proto__));
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class SubClass extends Builtin {}
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assertTrue(%HasFastProperties(Builtin));
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assertTrue(%HasFastProperties(Builtin.prototype));
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assertTrue(%HasFastProperties(Builtin.prototype.__proto__));
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}
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let TypedArray = Uint8Array.__proto__;
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TestBuiltinSubclassing(RegExp);
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TestBuiltinSubclassing(Promise);
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TestBuiltinSubclassing(Array);
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TestBuiltinSubclassing(TypedArray);
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TestBuiltinSubclassing(Uint8Array);
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TestBuiltinSubclassing(Int8Array);
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TestBuiltinSubclassing(Uint16Array);
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TestBuiltinSubclassing(Int16Array);
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TestBuiltinSubclassing(Uint32Array);
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TestBuiltinSubclassing(Int32Array);
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TestBuiltinSubclassing(Float32Array);
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TestBuiltinSubclassing(Float64Array);
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TestBuiltinSubclassing(Uint8ClampedArray);
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