[wasm] Set up Table and Memory constructors

test/mjsunit/wasm/table.js

+// 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
+
+// Basic tests.
+
+var outOfUint32RangeValue = 1e20;
+
+(function TestConstructor() {
+  assertTrue(WebAssembly.Table instanceof Function);
+  assertSame(WebAssembly.Table, WebAssembly.Table.prototype.constructor);
+  assertTrue(WebAssembly.Table.prototype.grow instanceof Function);
+  assertTrue(WebAssembly.Table.prototype.get instanceof Function);
+  assertTrue(WebAssembly.Table.prototype.set instanceof Function);
+  let desc = Object.getOwnPropertyDescriptor(WebAssembly.Table.prototype, 'length');
+  assertTrue(desc.get instanceof Function);
+  assertSame(undefined, desc.set);
+
+  assertThrows(() => new WebAssembly.Table(), TypeError);
+  assertThrows(() => new WebAssembly.Table(1), TypeError);
+  assertThrows(() => new WebAssembly.Table(""), TypeError);
+
+  assertThrows(() => new WebAssembly.Table({}), TypeError);
+  assertThrows(() => new WebAssembly.Table({initial: 10}), TypeError);
+
+  assertThrows(() => new WebAssembly.Table({element: 0, initial: 10}), TypeError);
+  assertThrows(() => new WebAssembly.Table({element: "any", initial: 10}), TypeError);
+
+  assertThrows(() => new WebAssembly.Table({element: "anyfunc", initial: -1}), RangeError);
+  assertThrows(() => new WebAssembly.Table({element: "anyfunc", initial: outOfUint32RangeValue}), RangeError);
+
+  assertThrows(() => new WebAssembly.Table({element: "anyfunc", initial: 10, maximum: -1}), RangeError);
+  assertThrows(() => new WebAssembly.Table({element: "anyfunc", initial: 10, maximum: outOfUint32RangeValue}), RangeError);
+  assertThrows(() => new WebAssembly.Table({element: "anyfunc", initial: 10, maximum: 9}), RangeError);
+
+  let table = new WebAssembly.Table({element: "anyfunc", initial: 1});
+  assertSame(WebAssembly.Table.prototype, table.__proto__);
+  assertSame(WebAssembly.Table, table.constructor);
+  assertTrue(table instanceof Object);
+  assertTrue(table instanceof WebAssembly.Table);
+})();
+
+(function TestConstructorWithMaximum() {
+  let table = new WebAssembly.Table({element: "anyfunc", initial: 1, maximum: 10});
+  assertSame(WebAssembly.Table.prototype, table.__proto__);
+  assertSame(WebAssembly.Table, table.constructor);
+  assertTrue(table instanceof Object);
+  assertTrue(table instanceof WebAssembly.Table);
+})();