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// Copyright 2016 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: --expose-wasm
load("test/mjsunit/wasm/wasm-module-builder.js");
function testAddGetter(object, name, val) {
Object.defineProperty(object, name, { get: function() { return val; } });
assertSame(val, object[name]);
}
function testAddGetterFails(object, name, val) {
function assign() {
Object.defineProperty(object, name, { get: function() { return val; } });
}
assertThrows(assign, TypeError);
}
function testAddGetterBothWays(object, name, val) {
print("Object.defineProperty");
Object.defineProperty(object, name, { get: function() { return val; } });
print("object.__defineGetter__");
object.__defineGetter__(name, () => val);
assertSame(val, object[name]);
}
function testFailToAddGetter(object, name, val) {
assertThrows(() => Object.defineProperty(object, name, { get: function() { return val; } }));
}
testAddGetter(testAddGetter, "name", 11);
function makeBuilder() {
var builder = new WasmModuleBuilder();
builder.addFunction("f", kSig_v_v)
.addBody([])
.exportFunc();
return builder;
}
(function TestAddGetterToFunction() {
print("TestAddGetterToFunction...");
var builder = makeBuilder();
var f = builder.instantiate().exports.f;
testAddGetterBothWays(f, "name", "foo");
testAddGetter(f, "blam", "baz");
})();
(function TestAddGetterToModule() {
print("TestAddGetterToModule...");
var builder = makeBuilder();
var module = new WebAssembly.Module(builder.toBuffer());
testAddGetter(module, "exports", 290);
testAddGetter(module, "xyz", new Object());
})();
(function TestAddGetterToInstance() {
print("TestAddGetterToInstance...");
var builder = makeBuilder();
var instance = builder.instantiate();
testAddGetter(instance, "exports", 290);
testAddGetter(instance, "xyz", new Object());
})();
(function TestAddGetterToExports() {
print("TestAddGetterToExports...");
var builder = makeBuilder();
var exports = builder.instantiate().exports;
testFailToAddGetter(exports, "f", 9834);
testAddGetterFails(exports, "nag", new Number(2));
})();
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