47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
|
// Copyright 2017 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: --allow-natives-syntax
|
||
|
|
|
||
|
|
(function FailProxyAsStdlib() {
|
||
|
|
// Test that passing a proxy as "stdlib" will cause module instantiation to
|
||
|
|
// fail while still only triggering one observable property load.
|
||
|
|
function Module(stdlib, foreign, heap) {
|
||
|
|
"use asm";
|
||
|
|
var a = stdlib.Math.PI;
|
||
|
|
function f() { return a }
|
||
|
|
return { f:f };
|
||
|
|
}
|
||
|
|
var trap_was_called = 0;
|
||
|
|
var proxy = new Proxy(this, { get:function(target, property, receiver) {
|
||
|
|
trap_was_called++;
|
||
|
|
if (property == "Math") return { PI:23 };
|
||
|
|
return Reflect.get(target, property, receiver);
|
||
|
|
}});
|
||
|
|
var m = Module(proxy);
|
||
|
|
assertFalse(%IsAsmWasmCode(Module));
|
||
|
|
assertEquals(1, trap_was_called);
|
||
|
|
assertEquals(23, m.f());
|
||
|
|
})();
|
||
|
|
|
||
|
|
(function FailGetterInStdlib() {
|
||
|
|
// Test that accessors as part of "stdlib" will cause module instantiation to
|
||
|
|
// fail while still only triggering one observable property load.
|
||
|
|
function Module(stdlib, foreign, heap) {
|
||
|
|
"use asm";
|
||
|
|
var a = new stdlib.Int8Array(heap);
|
||
|
|
function f() { return a[0] | 0 }
|
||
|
|
return { f:f };
|
||
|
|
}
|
||
|
|
var trap_was_called = 0;
|
||
|
|
var observer = { get Int8Array() {
|
||
|
|
trap_was_called++;
|
||
|
|
return function() { return [ 23 ] };
|
||
|
|
}};
|
||
|
|
var m = Module(observer);
|
||
|
|
assertFalse(%IsAsmWasmCode(Module));
|
||
|
|
assertEquals(1, trap_was_called);
|
||
|
|
assertEquals(23, m.f());
|
||
|
|
})();
|