Coverage: check instanceof on instances of built-in subclasses. Fixes gh-659

src/subclass-builtins/AggregateError.case

@@ -0,0 +1,14 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubAggregateError() instanceof AggregateError
+template: default
+---*/
+
+//- builtin
+AggregateError
+//- args
+[]

src/subclass-builtins/Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubArray() instanceof Array
+template: default
+---*/
+
+//- builtin
+Array

src/subclass-builtins/ArrayBuffer.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubArrayBuffer() instanceof ArrayBuffer
+template: default
+---*/
+
+//- builtin
+ArrayBuffer

src/subclass-builtins/BigInt64Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubBigInt64Array() instanceof BigInt64Array
+template: default
+---*/
+
+//- builtin
+BigInt64Array

src/subclass-builtins/BigUint64Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubBigUint64Array() instanceof BigUint64Array
+template: default
+---*/
+
+//- builtin
+BigUint64Array

src/subclass-builtins/Boolean.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubBoolean() instanceof Boolean
+template: default
+---*/
+
+//- builtin
+Boolean

src/subclass-builtins/DataView.case

@@ -0,0 +1,14 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubDataView() instanceof DataView
+template: default
+---*/
+
+//- builtin
+DataView
+//- args
+new ArrayBuffer(1)

src/subclass-builtins/Date.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubDate() instanceof Date
+template: default
+---*/
+
+//- builtin
+Date

src/subclass-builtins/Error.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubError() instanceof Error
+template: default
+---*/
+
+//- builtin
+Error

src/subclass-builtins/EvalError.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubEvalError() instanceof EvalError
+template: default
+---*/
+
+//- builtin
+EvalError

src/subclass-builtins/Float32Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubFloat32Array() instanceof Float32Array
+template: default
+---*/
+
+//- builtin
+Float32Array

src/subclass-builtins/Float64Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubFloat64Array() instanceof Float64Array
+template: default
+---*/
+
+//- builtin
+Float64Array

src/subclass-builtins/Function.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubFunction() instanceof Function
+template: default
+---*/
+
+//- builtin
+Function

src/subclass-builtins/Int16Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubInt16Array() instanceof Int16Array
+template: default
+---*/
+
+//- builtin
+Int16Array

src/subclass-builtins/Int32Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubInt32Array() instanceof Int32Array
+template: default
+---*/
+
+//- builtin
+Int32Array

src/subclass-builtins/Int8Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubInt8Array() instanceof Int8Array
+template: default
+---*/
+
+//- builtin
+Int8Array

src/subclass-builtins/Map.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubMap() instanceof Map
+template: default
+---*/
+
+//- builtin
+Map

src/subclass-builtins/Number.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubNumber() instanceof Number
+template: default
+---*/
+
+//- builtin
+Number

src/subclass-builtins/Object.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubObject() instanceof Object
+template: default
+---*/
+
+//- builtin
+Object

src/subclass-builtins/Promise.case

@@ -0,0 +1,14 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubPromise() instanceof Promise
+template: default
+---*/
+
+//- builtin
+Promise
+//- args
+() => {}

src/subclass-builtins/RangeError.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubRangeError() instanceof RangeError
+template: default
+---*/
+
+//- builtin
+RangeError

src/subclass-builtins/ReferenceError.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubReferenceError() instanceof ReferenceError
+template: default
+---*/
+
+//- builtin
+ReferenceError

src/subclass-builtins/RegExp.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubRegExp() instanceof RegExp
+template: default
+---*/
+
+//- builtin
+RegExp

src/subclass-builtins/Set.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubSet() instanceof Set
+template: default
+---*/
+
+//- builtin
+Set

src/subclass-builtins/SharedArrayBuffer.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubSharedArrayBuffer() instanceof SharedArrayBuffer
+template: default
+---*/
+
+//- builtin
+SharedArrayBuffer

src/subclass-builtins/String.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubString() instanceof String
+template: default
+---*/
+
+//- builtin
+String

src/subclass-builtins/SyntaxError.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubSyntaxError() instanceof SyntaxError
+template: default
+---*/
+
+//- builtin
+SyntaxError

src/subclass-builtins/TypeError.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubTypeError() instanceof TypeError
+template: default
+---*/
+
+//- builtin
+TypeError

src/subclass-builtins/URIError.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubURIError() instanceof URIError
+template: default
+---*/
+
+//- builtin
+URIError

src/subclass-builtins/Uint16Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubUint16Array() instanceof Uint16Array
+template: default
+---*/
+
+//- builtin
+Uint16Array

src/subclass-builtins/Uint32Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubUint32Array() instanceof Uint32Array
+template: default
+---*/
+
+//- builtin
+Uint32Array

src/subclass-builtins/Uint8Array.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubUint8Array() instanceof Uint8Array
+template: default
+---*/
+
+//- builtin
+Uint8Array

src/subclass-builtins/Uint8ClampedArray.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubUint8ClampedArray() instanceof Uint8ClampedArray
+template: default
+---*/
+
+//- builtin
+Uint8ClampedArray

src/subclass-builtins/WeakMap.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubWeakMap() instanceof WeakMap
+template: default
+---*/
+
+//- builtin
+WeakMap

src/subclass-builtins/WeakSet.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+desc: >
+  new SubWeakSet() instanceof WeakSet
+template: default
+---*/
+
+//- builtin
+WeakSet

src/subclass-builtins/default/expression.template

@@ -0,0 +1,13 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/class/subclass-builtins/subclass-
+name: Subclass instanceof Heritage
+---*/
+
+const Subclass = class extends /*{ builtin }*/ {}
+
+const sub = new Subclass(/*{ args }*/);
+assert(sub instanceof Subclass);
+assert(sub instanceof /*{ builtin }*/);

src/subclass-builtins/default/statement.template

@@ -0,0 +1,13 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/statements/class/subclass-builtins/subclass-
+name: Subclass instanceof Heritage
+---*/
+
+class Subclass extends /*{ builtin }*/ {}
+
+const sub = new Subclass(/*{ args }*/);
+assert(sub instanceof Subclass);
+assert(sub instanceof /*{ builtin }*/);

test/language/expressions/class/subclass-builtins/subclass-AggregateError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/AggregateError.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubAggregateError() instanceof AggregateError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends AggregateError {}
+
+const sub = new Subclass([]);
+assert(sub instanceof Subclass);
+assert(sub instanceof AggregateError);

test/language/expressions/class/subclass-builtins/subclass-Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubArray() instanceof Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Array);

test/language/expressions/class/subclass-builtins/subclass-ArrayBuffer.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/ArrayBuffer.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubArrayBuffer() instanceof ArrayBuffer (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends ArrayBuffer {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof ArrayBuffer);

test/language/expressions/class/subclass-builtins/subclass-BigInt64Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/BigInt64Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubBigInt64Array() instanceof BigInt64Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends BigInt64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof BigInt64Array);

test/language/expressions/class/subclass-builtins/subclass-BigUint64Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/BigUint64Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubBigUint64Array() instanceof BigUint64Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends BigUint64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof BigUint64Array);

test/language/expressions/class/subclass-builtins/subclass-Boolean.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Boolean.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubBoolean() instanceof Boolean (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Boolean {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Boolean);

test/language/expressions/class/subclass-builtins/subclass-DataView.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/DataView.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubDataView() instanceof DataView (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends DataView {}
+
+const sub = new Subclass(new ArrayBuffer(1));
+assert(sub instanceof Subclass);
+assert(sub instanceof DataView);

test/language/expressions/class/subclass-builtins/subclass-Date.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Date.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubDate() instanceof Date (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Date {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Date);

test/language/expressions/class/subclass-builtins/subclass-Error.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Error.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubError() instanceof Error (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Error {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Error);

test/language/expressions/class/subclass-builtins/subclass-EvalError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/EvalError.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubEvalError() instanceof EvalError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends EvalError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof EvalError);

test/language/expressions/class/subclass-builtins/subclass-Float32Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Float32Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubFloat32Array() instanceof Float32Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Float32Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Float32Array);

test/language/expressions/class/subclass-builtins/subclass-Float64Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Float64Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubFloat64Array() instanceof Float64Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Float64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Float64Array);

test/language/expressions/class/subclass-builtins/subclass-Function.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Function.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubFunction() instanceof Function (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Function {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Function);

test/language/expressions/class/subclass-builtins/subclass-Int16Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int16Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubInt16Array() instanceof Int16Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Int16Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int16Array);

test/language/expressions/class/subclass-builtins/subclass-Int32Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int32Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubInt32Array() instanceof Int32Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Int32Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int32Array);

test/language/expressions/class/subclass-builtins/subclass-Int8Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int8Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubInt8Array() instanceof Int8Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Int8Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int8Array);

test/language/expressions/class/subclass-builtins/subclass-Map.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Map.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubMap() instanceof Map (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Map {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Map);

test/language/expressions/class/subclass-builtins/subclass-Number.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Number.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubNumber() instanceof Number (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Number {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Number);

test/language/expressions/class/subclass-builtins/subclass-Object.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Object.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubObject() instanceof Object (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Object {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Object);

test/language/expressions/class/subclass-builtins/subclass-Promise.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Promise.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubPromise() instanceof Promise (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Promise {}
+
+const sub = new Subclass(() => {});
+assert(sub instanceof Subclass);
+assert(sub instanceof Promise);

test/language/expressions/class/subclass-builtins/subclass-RangeError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/RangeError.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubRangeError() instanceof RangeError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends RangeError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof RangeError);

test/language/expressions/class/subclass-builtins/subclass-ReferenceError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/ReferenceError.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubReferenceError() instanceof ReferenceError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends ReferenceError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof ReferenceError);

test/language/expressions/class/subclass-builtins/subclass-RegExp.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/RegExp.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubRegExp() instanceof RegExp (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends RegExp {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof RegExp);

test/language/expressions/class/subclass-builtins/subclass-Set.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Set.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubSet() instanceof Set (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Set {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Set);

test/language/expressions/class/subclass-builtins/subclass-SharedArrayBuffer.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/SharedArrayBuffer.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubSharedArrayBuffer() instanceof SharedArrayBuffer (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends SharedArrayBuffer {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof SharedArrayBuffer);

test/language/expressions/class/subclass-builtins/subclass-String.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/String.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubString() instanceof String (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends String {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof String);

test/language/expressions/class/subclass-builtins/subclass-SyntaxError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/SyntaxError.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubSyntaxError() instanceof SyntaxError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends SyntaxError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof SyntaxError);

test/language/expressions/class/subclass-builtins/subclass-TypeError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/TypeError.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubTypeError() instanceof TypeError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends TypeError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof TypeError);

test/language/expressions/class/subclass-builtins/subclass-URIError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/URIError.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubURIError() instanceof URIError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends URIError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof URIError);

test/language/expressions/class/subclass-builtins/subclass-Uint16Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Uint16Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubUint16Array() instanceof Uint16Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Uint16Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Uint16Array);

test/language/expressions/class/subclass-builtins/subclass-Uint32Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Uint32Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubUint32Array() instanceof Uint32Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Uint32Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Uint32Array);

test/language/expressions/class/subclass-builtins/subclass-Uint8Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Uint8Array.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubUint8Array() instanceof Uint8Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Uint8Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Uint8Array);

test/language/expressions/class/subclass-builtins/subclass-Uint8ClampedArray.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Uint8ClampedArray.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubUint8ClampedArray() instanceof Uint8ClampedArray (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends Uint8ClampedArray {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Uint8ClampedArray);

test/language/expressions/class/subclass-builtins/subclass-WeakMap.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/WeakMap.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubWeakMap() instanceof WeakMap (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends WeakMap {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof WeakMap);

test/language/expressions/class/subclass-builtins/subclass-WeakSet.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/WeakSet.case
+// - src/subclass-builtins/default/expression.template
+/*---
+description: new SubWeakSet() instanceof WeakSet (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+const Subclass = class extends WeakSet {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof WeakSet);

test/language/statements/class/subclass-builtins/subclass-AggregateError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/AggregateError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubAggregateError() instanceof AggregateError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends AggregateError {}
+
+const sub = new Subclass([]);
+assert(sub instanceof Subclass);
+assert(sub instanceof AggregateError);

test/language/statements/class/subclass-builtins/subclass-Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubArray() instanceof Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Array);

test/language/statements/class/subclass-builtins/subclass-ArrayBuffer.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/ArrayBuffer.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubArrayBuffer() instanceof ArrayBuffer (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends ArrayBuffer {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof ArrayBuffer);

test/language/statements/class/subclass-builtins/subclass-BigInt64Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/BigInt64Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubBigInt64Array() instanceof BigInt64Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends BigInt64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof BigInt64Array);

test/language/statements/class/subclass-builtins/subclass-BigUint64Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/BigUint64Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubBigUint64Array() instanceof BigUint64Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends BigUint64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof BigUint64Array);

test/language/statements/class/subclass-builtins/subclass-Boolean.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Boolean.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubBoolean() instanceof Boolean (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Boolean {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Boolean);

test/language/statements/class/subclass-builtins/subclass-DataView.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/DataView.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubDataView() instanceof DataView (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends DataView {}
+
+const sub = new Subclass(new ArrayBuffer(1));
+assert(sub instanceof Subclass);
+assert(sub instanceof DataView);

test/language/statements/class/subclass-builtins/subclass-Date.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Date.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubDate() instanceof Date (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Date {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Date);

test/language/statements/class/subclass-builtins/subclass-Error.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Error.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubError() instanceof Error (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Error {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Error);

test/language/statements/class/subclass-builtins/subclass-EvalError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/EvalError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubEvalError() instanceof EvalError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends EvalError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof EvalError);

test/language/statements/class/subclass-builtins/subclass-Float32Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Float32Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubFloat32Array() instanceof Float32Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Float32Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Float32Array);

test/language/statements/class/subclass-builtins/subclass-Float64Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Float64Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubFloat64Array() instanceof Float64Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Float64Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Float64Array);

test/language/statements/class/subclass-builtins/subclass-Function.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Function.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubFunction() instanceof Function (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Function {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Function);

test/language/statements/class/subclass-builtins/subclass-Int16Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int16Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubInt16Array() instanceof Int16Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Int16Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int16Array);

test/language/statements/class/subclass-builtins/subclass-Int32Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int32Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubInt32Array() instanceof Int32Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Int32Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int32Array);

test/language/statements/class/subclass-builtins/subclass-Int8Array.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Int8Array.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubInt8Array() instanceof Int8Array (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Int8Array {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Int8Array);

test/language/statements/class/subclass-builtins/subclass-Map.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Map.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubMap() instanceof Map (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Map {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Map);

test/language/statements/class/subclass-builtins/subclass-Number.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Number.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubNumber() instanceof Number (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Number {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Number);

test/language/statements/class/subclass-builtins/subclass-Object.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Object.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubObject() instanceof Object (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Object {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Object);

test/language/statements/class/subclass-builtins/subclass-Promise.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Promise.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubPromise() instanceof Promise (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Promise {}
+
+const sub = new Subclass(() => {});
+assert(sub instanceof Subclass);
+assert(sub instanceof Promise);

test/language/statements/class/subclass-builtins/subclass-RangeError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/RangeError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubRangeError() instanceof RangeError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends RangeError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof RangeError);

test/language/statements/class/subclass-builtins/subclass-ReferenceError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/ReferenceError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubReferenceError() instanceof ReferenceError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends ReferenceError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof ReferenceError);

test/language/statements/class/subclass-builtins/subclass-RegExp.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/RegExp.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubRegExp() instanceof RegExp (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends RegExp {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof RegExp);

test/language/statements/class/subclass-builtins/subclass-Set.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/Set.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubSet() instanceof Set (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends Set {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof Set);

test/language/statements/class/subclass-builtins/subclass-SharedArrayBuffer.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/SharedArrayBuffer.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubSharedArrayBuffer() instanceof SharedArrayBuffer (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends SharedArrayBuffer {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof SharedArrayBuffer);

test/language/statements/class/subclass-builtins/subclass-String.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/String.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubString() instanceof String (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends String {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof String);

test/language/statements/class/subclass-builtins/subclass-SyntaxError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/SyntaxError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubSyntaxError() instanceof SyntaxError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends SyntaxError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof SyntaxError);

test/language/statements/class/subclass-builtins/subclass-TypeError.js

@@ -0,0 +1,14 @@
+// This file was procedurally generated from the following sources:
+// - src/subclass-builtins/TypeError.case
+// - src/subclass-builtins/default/statement.template
+/*---
+description: new SubTypeError() instanceof TypeError (Subclass instanceof Heritage)
+flags: [generated]
+---*/
+
+
+class Subclass extends TypeError {}
+
+const sub = new Subclass();
+assert(sub instanceof Subclass);
+assert(sub instanceof TypeError);