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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --strong-mode --allow-natives-syntax
(function() {
"use strict";
let foo = null;
function nullLiteral() {
class Class1 extends null {
constructor() {
super();
}
}
}
function nullVariable() {
class Class2 extends foo {
constructor() {
super();
}
}
}
function nullLiteralClassExpr() {
(class extends null {});
}
function nullVariableClassExpr() {
(class extends foo {});
}
assertDoesNotThrow(nullLiteral);
%OptimizeFunctionOnNextCall(nullLiteral);
assertDoesNotThrow(nullLiteral);
assertDoesNotThrow(nullVariable);
%OptimizeFunctionOnNextCall(nullVariable);
assertDoesNotThrow(nullVariable);
assertDoesNotThrow(nullLiteralClassExpr);
%OptimizeFunctionOnNextCall(nullLiteralClassExpr);
assertDoesNotThrow(nullLiteralClassExpr);
assertDoesNotThrow(nullVariableClassExpr);
%OptimizeFunctionOnNextCall(nullVariableClassExpr);
assertDoesNotThrow(nullVariableClassExpr);
})();
(function() {
"use strong";
let foo = null;
function nullLiteral() {
class Class1 extends null {
constructor() {
super();
}
}
}
function nullVariable() {
class Class2 extends foo {
constructor() {
super();
}
}
}
function nullLiteralClassExpr() {
(class extends null {});
}
function nullVariableClassExpr() {
(class extends foo {});
}
assertThrows(nullLiteral, TypeError);
%OptimizeFunctionOnNextCall(nullLiteral);
assertThrows(nullLiteral, TypeError);
assertThrows(nullVariable, TypeError);
%OptimizeFunctionOnNextCall(nullVariable);
assertThrows(nullVariable, TypeError);
assertThrows(nullLiteralClassExpr, TypeError);
%OptimizeFunctionOnNextCall(nullLiteralClassExpr);
assertThrows(nullLiteralClassExpr, TypeError);
assertThrows(nullVariableClassExpr, TypeError);
%OptimizeFunctionOnNextCall(nullVariableClassExpr);
assertThrows(nullVariableClassExpr, TypeError);
})();
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