[wasm] Add js-api test and fix property details for some functions.

test/mjsunit/wasm/js-api.js

Index: test/mjsunit/wasm/js-api.js
diff --git a/test/mjsunit/wasm/js-api.js b/test/mjsunit/wasm/js-api.js
new file mode 100644
index 0000000000000000000000000000000000000000..47965c0ffbee13e915b947e28884b9297c7f4c07
--- /dev/null
+++ b/test/mjsunit/wasm/js-api.js
@@ -0,0 +1,559 @@
+// 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 --allow-natives-syntax
+
+if ((typeof drainJobQueue) != "function") {
+  drainJobQueue = () => { %RunMicrotasks() };
+}
+
+load("test/mjsunit/wasm/wasm-constants.js");
+load("test/mjsunit/wasm/wasm-module-builder.js");
+
+function assertEq(val, expected) {
+  assertEquals(expected, val);
+}
+function wasmIsSupported() {
+  return (typeof WebAssembly.Module) == "function";
+}
+function assertErrorMessage(func, type, msg) {
+//TODO   assertThrows(func, type, msg);
+  assertThrows(func, type);
+}
+
+let PROP_FLAGS = false;  // property flags are implemented correctly
+
+let emptyModuleBinary = (() => {
+  var builder = new WasmModuleBuilder();
+  return new Int8Array(builder.toBuffer());
+})();
+
+let exportingModuleBinary = (() => {
+  var builder = new WasmModuleBuilder();
+  builder.addFunction("f", kSig_i_v)
+    .addBody([kExprI32Const, 42])
+    .exportAs("f");
+  return new Int8Array(builder.toBuffer());
+})();
+
+let importingModuleBinary = (() => {
+  var builder = new WasmModuleBuilder();
+  builder.addImport("f", kSig_i_v);
+  return new Int8Array(builder.toBuffer());
+})();
+
+// 'WebAssembly' data property on global object
+let wasmDesc = Object.getOwnPropertyDescriptor(this, 'WebAssembly');
+assertEq(typeof wasmDesc.value, "object");
+assertEq(wasmDesc.writable, true);
+assertEq(wasmDesc.enumerable, false);
+assertEq(wasmDesc.configurable, true);
+
+// 'WebAssembly' object
+assertEq(WebAssembly, wasmDesc.value);
+//TODO assertEq(String(WebAssembly), "[object WebAssembly]");
+
+// 'WebAssembly.(Compile|Runtime)Error' data property
+let compileErrorDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'CompileError');
+let runtimeErrorDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'RuntimeError');
+assertEq(typeof compileErrorDesc.value, "function");
+assertEq(typeof runtimeErrorDesc.value, "function");
+if (PROP_FLAGS) assertEq(compileErrorDesc.writable, true);
+if (PROP_FLAGS) assertEq(runtimeErrorDesc.writable, true);
+if (PROP_FLAGS) assertEq(compileErrorDesc.enumerable, false);
+if (PROP_FLAGS) assertEq(runtimeErrorDesc.enumerable, false);
+if (PROP_FLAGS) assertEq(compileErrorDesc.configurable, true);
+if (PROP_FLAGS) assertEq(runtimeErrorDesc.configurable, true);
+
+// 'WebAssembly.(Compile|Runtime)Error' constructor function
+let CompileError = WebAssembly.CompileError;
+let RuntimeError = WebAssembly.RuntimeError;
+assertEq(CompileError, compileErrorDesc.value);
+assertEq(RuntimeError, runtimeErrorDesc.value);
+assertEq(CompileError.length, 1);
+assertEq(RuntimeError.length, 1);
+assertEq(CompileError.name, "CompileError");
+assertEq(RuntimeError.name, "RuntimeError");
+
+// 'WebAssembly.(Compile|Runtime)Error' instance objects
+let compileError = new CompileError;
+let runtimeError = new RuntimeError;
+assertEq(compileError instanceof CompileError, true);
+assertEq(runtimeError instanceof RuntimeError, true);
+assertEq(compileError instanceof Error, true);
+assertEq(runtimeError instanceof Error, true);
+assertEq(compileError instanceof TypeError, false);
+assertEq(runtimeError instanceof TypeError, false);
+assertEq(compileError.message, "");
+assertEq(runtimeError.message, "");
+assertEq(new CompileError("hi").message, "hi");
+assertEq(new RuntimeError("hi").message, "hi");
+
+// 'WebAssembly.Module' data property
+let moduleDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'Module');
+assertEq(typeof moduleDesc.value, "function");
+assertEq(moduleDesc.writable, true);
+assertEq(moduleDesc.enumerable, false);
+assertEq(moduleDesc.configurable, true);
+
+// 'WebAssembly.Module' constructor function
+let Module = WebAssembly.Module;
+assertEq(Module, moduleDesc.value);
+//TODO assertEq(Module.length, 1);
+//TODO assertEq(Module.name, "Module");
+assertErrorMessage(() => Module(), TypeError, /constructor without new is forbidden/);
+assertErrorMessage(() => new Module(), TypeError, /requires more than 0 arguments/);
+assertErrorMessage(() => new Module(undefined), TypeError, "first argument must be an ArrayBuffer or typed array object");
+assertErrorMessage(() => new Module(1), TypeError, "first argument must be an ArrayBuffer or typed array object");
+assertErrorMessage(() => new Module({}), TypeError, "first argument must be an ArrayBuffer or typed array object");
+//TODO assertErrorMessage(() => new Module(new Uint8Array()), CompileError, /failed to match magic number/);
+//TODO assertErrorMessage(() => new Module(new ArrayBuffer()), CompileError, /failed to match magic number/);
+assertEq(new Module(emptyModuleBinary) instanceof Module, true);
+assertEq(new Module(emptyModuleBinary.buffer) instanceof Module, true);
+
+// 'WebAssembly.Module.prototype' data property
+let moduleProtoDesc = Object.getOwnPropertyDescriptor(Module, 'prototype');
+assertEq(typeof moduleProtoDesc.value, "object");
+if (PROP_FLAGS) assertEq(moduleProtoDesc.writable, false);
+if (PROP_FLAGS) assertEq(moduleProtoDesc.enumerable, false);
+if (PROP_FLAGS) assertEq(moduleProtoDesc.configurable, false);
+
+// 'WebAssembly.Module.prototype' object
+let moduleProto = Module.prototype;
+assertEq(moduleProto, moduleProtoDesc.value);
+assertEq(String(moduleProto), "[object Object]");
+assertEq(Object.getPrototypeOf(moduleProto), Object.prototype);
+
+// 'WebAssembly.Module' instance objects
+let emptyModule = new Module(emptyModuleBinary);
+let importingModule = new Module(importingModuleBinary);
+let exportingModule = new Module(exportingModuleBinary);
+assertEq(typeof emptyModule, "object");
+//TODO assertEq(String(emptyModule), "[object WebAssembly.Module]");
+assertEq(Object.getPrototypeOf(emptyModule), moduleProto);
+
+if (false) { // TODO: Module.imports support
+// 'WebAssembly.Module.imports' data property
+let moduleImportsDesc = Object.getOwnPropertyDescriptor(Module, 'imports');
+assertEq(typeof moduleImportsDesc.value, "function");
+assertEq(moduleImportsDesc.writable, true);
+assertEq(moduleImportsDesc.enumerable, false);
+assertEq(moduleImportsDesc.configurable, true);
+
+// 'WebAssembly.Module.imports' method
+let moduleImports = moduleImportsDesc.value;
+assertEq(moduleImports.length, 1);
+assertErrorMessage(() => moduleImports(), TypeError, /requires more than 0 arguments/);
+assertErrorMessage(() => moduleImports(undefined), TypeError, /first argument must be a WebAssembly.Module/);
+assertErrorMessage(() => moduleImports({}), TypeError, /first argument must be a WebAssembly.Module/);
+var arr = moduleImports(new Module(wasmTextToBinary('(module)')));
+assertEq(arr instanceof Array, true);
+assertEq(arr.length, 0);
+var arr = moduleImports(new Module(wasmTextToBinary('(module (func (import "a" "b")) (memory (import "c" "d") 1) (table (import "e" "f") 1 anyfunc) (global (import "g" "⚡") i32))')));
+assertEq(arr instanceof Array, true);
+assertEq(arr.length, 4);
+assertEq(arr[0].kind, "function");
+assertEq(arr[0].module, "a");
+assertEq(arr[0].name, "b");
+assertEq(arr[1].kind, "memory");
+assertEq(arr[1].module, "c");
+assertEq(arr[1].name, "d");
+assertEq(arr[2].kind, "table");
+assertEq(arr[2].module, "e");
+assertEq(arr[2].name, "f");
+assertEq(arr[3].kind, "global");
+assertEq(arr[3].module, "g");
+assertEq(arr[3].name, "⚡");
+}
+
+if (false) { // TODO: Module.exports property
+// 'WebAssembly.Module.exports' data property
+let moduleExportsDesc = Object.getOwnPropertyDescriptor(Module, 'exports');
+assertEq(typeof moduleExportsDesc.value, "function");
+assertEq(moduleExportsDesc.writable, true);
+assertEq(moduleExportsDesc.enumerable, false);
+assertEq(moduleExportsDesc.configurable, true);
+
+// 'WebAssembly.Module.exports' method
+let moduleExports = moduleExportsDesc.value;
+assertEq(moduleExports.length, 1);
+assertErrorMessage(() => moduleExports(), TypeError, /requires more than 0 arguments/);
+assertErrorMessage(() => moduleExports(undefined), TypeError, /first argument must be a WebAssembly.Module/);
+assertErrorMessage(() => moduleExports({}), TypeError, /first argument must be a WebAssembly.Module/);
+var arr = moduleExports(emptyModule);
+assertEq(arr instanceof Array, true);
+assertEq(arr.length, 0);
+var arr = moduleExports(new Module(wasmTextToBinary('(module (func (export "a")) (memory (export "b") 1) (table (export "c") 1 anyfunc) (global (export "⚡") i32 (i32.const 0)))')));
+assertEq(arr instanceof Array, true);
+assertEq(arr.length, 4);
+assertEq(arr[0].kind, "function");
+assertEq(arr[0].name, "a");
+assertEq(arr[1].kind, "memory");
+assertEq(arr[1].name, "b");
+assertEq(arr[2].kind, "table");
+assertEq(arr[2].name, "c");
+assertEq(arr[3].kind, "global");
+assertEq(arr[3].name, "⚡");
+}
+
+// 'WebAssembly.Instance' data property
+let instanceDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'Instance');
+assertEq(typeof instanceDesc.value, "function");
+assertEq(instanceDesc.writable, true);
+assertEq(instanceDesc.enumerable, false);
+assertEq(instanceDesc.configurable, true);
+
+// 'WebAssembly.Instance' constructor function
+let Instance = WebAssembly.Instance;
+assertEq(Instance, instanceDesc.value);
+//TODO assertEq(Instance.length, 1);
+//TODO assertEq(Instance.name, "Instance");
+assertErrorMessage(() => Instance(), TypeError, /constructor without new is forbidden/);
+assertErrorMessage(() => new Instance(1), TypeError, "first argument must be a WebAssembly.Module");
+assertErrorMessage(() => new Instance({}), TypeError, "first argument must be a WebAssembly.Module");
+//TODO assertErrorMessage(() => new Instance(emptyModule, null), TypeError, "second argument must be an object");
+//TODO assertEq(new Instance(emptyModule) instanceof Instance, true);
+//TODO assertEq(new Instance(emptyModule, {}) instanceof Instance, true);
+
+// 'WebAssembly.Instance.prototype' data property
+let instanceProtoDesc = Object.getOwnPropertyDescriptor(Instance, 'prototype');
+assertEq(typeof instanceProtoDesc.value, "object");
+if (PROP_FLAGS) assertEq(instanceProtoDesc.writable, false);
+if (PROP_FLAGS) assertEq(instanceProtoDesc.enumerable, false);
+if (PROP_FLAGS) assertEq(instanceProtoDesc.configurable, false);
+
+// 'WebAssembly.Instance.prototype' object
+let instanceProto = Instance.prototype;
+assertEq(instanceProto, instanceProtoDesc.value);
+assertEq(String(instanceProto), "[object Object]");
+assertEq(Object.getPrototypeOf(instanceProto), Object.prototype);
+
+// 'WebAssembly.Instance' instance objects
+let exportingInstance = new Instance(exportingModule);
+assertEq(typeof exportingInstance, "object");
+//TODO:name assertEq(String(exportingInstance), "[object WebAssembly.Instance]");
+//TODO assertEq(Object.getPrototypeOf(exportingInstance), instanceProto);
+
+// 'WebAssembly.Instance' 'exports' data property
+let instanceExportsDesc = Object.getOwnPropertyDescriptor(exportingInstance, 'exports');
+assertEq(typeof instanceExportsDesc.value, "object");
+assertEq(instanceExportsDesc.writable, true);
+assertEq(instanceExportsDesc.enumerable, true);
+assertEq(instanceExportsDesc.configurable, true);
+
+// Exported WebAssembly functions
+let f = exportingInstance.exports.f;
+assertEq(f instanceof Function, true);
+assertEq(f.length, 0);
+assertEq('name' in f, true);
+assertEq(Function.prototype.call.call(f), 42);
+assertErrorMessage(() => new f(), TypeError, /is not a constructor/);
+
+// 'WebAssembly.Memory' data property
+let memoryDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'Memory');
+assertEq(typeof memoryDesc.value, "function");
+assertEq(memoryDesc.writable, true);
+assertEq(memoryDesc.enumerable, false);
+assertEq(memoryDesc.configurable, true);
+
+// 'WebAssembly.Memory' constructor function
+let Memory = WebAssembly.Memory;
+assertEq(Memory, memoryDesc.value);
+//TODO assertEq(Memory.length, 1);
+//TODO assertEq(Memory.name, "Memory");
+assertErrorMessage(() => Memory(), TypeError, /constructor without new is forbidden/);
+assertErrorMessage(() => new Memory(1), TypeError, "first argument must be a memory descriptor");
+assertErrorMessage(() => new Memory({initial:{valueOf() { throw new Error("here")}}}), Error, "here");
+assertErrorMessage(() => new Memory({initial:-1}), RangeError, /bad Memory initial size/);
+assertErrorMessage(() => new Memory({initial:Math.pow(2,32)}), RangeError, /bad Memory initial size/);
+assertErrorMessage(() => new Memory({initial:1, maximum: Math.pow(2,32)/Math.pow(2,14) }), RangeError, /bad Memory maximum size/);
+assertErrorMessage(() => new Memory({initial:2, maximum:1 }), RangeError, /bad Memory maximum size/);
+assertErrorMessage(() => new Memory({maximum: -1 }), RangeError, /bad Memory maximum size/);
+assertEq(new Memory({initial:1}) instanceof Memory, true);
+assertEq(new Memory({initial:1.5}).buffer.byteLength, kPageSize);
+
+// 'WebAssembly.Memory.prototype' data property
+let memoryProtoDesc = Object.getOwnPropertyDescriptor(Memory, 'prototype');
+assertEq(typeof memoryProtoDesc.value, "object");
+if (PROP_FLAGS) assertEq(memoryProtoDesc.writable, false);
+if (PROP_FLAGS) assertEq(memoryProtoDesc.enumerable, false);
+if (PROP_FLAGS) assertEq(memoryProtoDesc.configurable, false);
+
+// 'WebAssembly.Memory.prototype' object
+let memoryProto = Memory.prototype;
+assertEq(memoryProto, memoryProtoDesc.value);
+assertEq(String(memoryProto), "[object Object]");
+assertEq(Object.getPrototypeOf(memoryProto), Object.prototype);
+
+// 'WebAssembly.Memory' instance objects
+let mem1 = new Memory({initial:1});
+assertEq(typeof mem1, "object");
+//TODO assertEq(String(mem1), "[object WebAssembly.Memory]");
+assertEq(Object.getPrototypeOf(mem1), memoryProto);
+
+// 'WebAssembly.Memory.prototype.buffer' accessor property
+let bufferDesc = Object.getOwnPropertyDescriptor(memoryProto, 'buffer');
+assertEq(typeof bufferDesc.get, "function");
+assertEq(bufferDesc.set, undefined);
+assertEq(bufferDesc.enumerable, false);
+assertEq(bufferDesc.configurable, true);
+
+// 'WebAssembly.Memory.prototype.buffer' getter
+let bufferGetter = bufferDesc.get;
+assertErrorMessage(() => bufferGetter.call(), TypeError, /called on incompatible undefined/);
+assertErrorMessage(() => bufferGetter.call({}), TypeError, /called on incompatible Object/);
+assertEq(bufferGetter.call(mem1) instanceof ArrayBuffer, true);
+assertEq(bufferGetter.call(mem1).byteLength, kPageSize);
+
+// 'WebAssembly.Memory.prototype.grow' data property
+let memGrowDesc = Object.getOwnPropertyDescriptor(memoryProto, 'grow');
+assertEq(typeof memGrowDesc.value, "function");
+assertEq(memGrowDesc.enumerable, false);
+assertEq(memGrowDesc.configurable, true);
+
+// 'WebAssembly.Memory.prototype.grow' method
+
+if (false) { // TODO: bugs with Memory.grow
+let memGrow = memGrowDesc.value;
+assertEq(memGrow.length, 1);
+assertErrorMessage(() => memGrow.call(), TypeError, /called on incompatible undefined/);
+assertErrorMessage(() => memGrow.call({}), TypeError, /called on incompatible Object/);
+assertErrorMessage(() => memGrow.call(mem1, -1), RangeError, /bad Memory grow delta/);
+assertErrorMessage(() => memGrow.call(mem1, Math.pow(2,32)), RangeError, /bad Memory grow delta/);
+var mem = new Memory({initial:1, maximum:2});
+var buf = mem.buffer;
+assertEq(buf.byteLength, kPageSize);
+assertEq(mem.grow(0), 1);
+assertEq(buf !== mem.buffer, true);
+assertEq(buf.byteLength, 0);
+buf = mem.buffer;
+assertEq(buf.byteLength, kPageSize);
+assertEq(mem.grow(1), 1);
+assertEq(buf !== mem.buffer, true);
+assertEq(buf.byteLength, 0);
+buf = mem.buffer;
+assertEq(buf.byteLength, 2 * kPageSize);
+assertErrorMessage(() => mem.grow(1), Error, /failed to grow memory/);
+assertEq(buf, mem.buffer);
+}
+
+// 'WebAssembly.Table' data property
+let tableDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'Table');
+assertEq(typeof tableDesc.value, "function");
+assertEq(tableDesc.writable, true);
+assertEq(tableDesc.enumerable, false);
+assertEq(tableDesc.configurable, true);
+
+// 'WebAssembly.Table' constructor function
+let Table = WebAssembly.Table;
+assertEq(Table, tableDesc.value);
+//TODO assertEq(Table.length, 1);
+//TODO assertEq(Table.name, "Table");
+assertErrorMessage(() => Table(), TypeError, /constructor without new is forbidden/);
+assertErrorMessage(() => new Table(1), TypeError, "first argument must be a table descriptor");
+assertErrorMessage(() => new Table({initial:1, element:1}), TypeError, /must be "anyfunc"/);
+assertErrorMessage(() => new Table({initial:1, element:"any"}), TypeError, /must be "anyfunc"/);
+assertErrorMessage(() => new Table({initial:1, element:{valueOf() { return "anyfunc" }}}), TypeError, /must be "anyfunc"/);
+assertErrorMessage(() => new Table({initial:{valueOf() { throw new Error("here")}}, element:"anyfunc"}), Error, "here");
+assertErrorMessage(() => new Table({initial:-1, element:"anyfunc"}), RangeError, /bad Table initial size/);
+assertErrorMessage(() => new Table({initial:Math.pow(2,32), element:"anyfunc"}), RangeError, /bad Table initial size/);
+assertErrorMessage(() => new Table({initial:2, maximum:1, element:"anyfunc"}), RangeError, /bad Table maximum size/);
+assertErrorMessage(() => new Table({initial:2, maximum:Math.pow(2,32), element:"anyfunc"}), RangeError, /bad Table maximum size/);
+assertEq(new Table({initial:1, element:"anyfunc"}) instanceof Table, true);
+assertEq(new Table({initial:1.5, element:"anyfunc"}) instanceof Table, true);
+assertEq(new Table({initial:1, maximum:1.5, element:"anyfunc"}) instanceof Table, true);
+//TODO:maximum assertEq(new Table({initial:1, maximum:Math.pow(2,32)-1, element:"anyfunc"}) instanceof Table, true);
+
+// 'WebAssembly.Table.prototype' data property
+let tableProtoDesc = Object.getOwnPropertyDescriptor(Table, 'prototype');
+assertEq(typeof tableProtoDesc.value, "object");
+if (PROP_FLAGS) assertEq(tableProtoDesc.writable, false);
+if (PROP_FLAGS) assertEq(tableProtoDesc.enumerable, false);
+if (PROP_FLAGS) assertEq(tableProtoDesc.configurable, false);
+
+// 'WebAssembly.Table.prototype' object
+let tableProto = Table.prototype;
+assertEq(tableProto, tableProtoDesc.value);
+assertEq(String(tableProto), "[object Object]");
+assertEq(Object.getPrototypeOf(tableProto), Object.prototype);
+
+// 'WebAssembly.Table' instance objects
+let tbl1 = new Table({initial:2, element:"anyfunc"});
+assertEq(typeof tbl1, "object");
+//TODO:name assertEq(String(tbl1), "[object WebAssembly.Table]");
+assertEq(Object.getPrototypeOf(tbl1), tableProto);
+
+// 'WebAssembly.Table.prototype.length' accessor data property
+let lengthDesc = Object.getOwnPropertyDescriptor(tableProto, 'length');
+assertEq(typeof lengthDesc.get, "function");
+assertEq(lengthDesc.set, undefined);
+assertEq(lengthDesc.enumerable, false);
+assertEq(lengthDesc.configurable, true);
+
+// 'WebAssembly.Table.prototype.length' getter
+let lengthGetter = lengthDesc.get;
+assertEq(lengthGetter.length, 0);
+assertErrorMessage(() => lengthGetter.call(), TypeError, /called on incompatible undefined/);
+assertErrorMessage(() => lengthGetter.call({}), TypeError, /called on incompatible Object/);
+assertEq(typeof lengthGetter.call(tbl1), "number");
+assertEq(lengthGetter.call(tbl1), 2);
+
+// 'WebAssembly.Table.prototype.get' data property
+let getDesc = Object.getOwnPropertyDescriptor(tableProto, 'get');
+assertEq(typeof getDesc.value, "function");
+assertEq(getDesc.enumerable, false);
+assertEq(getDesc.configurable, true);
+
+// 'WebAssembly.Table.prototype.get' method
+let get = getDesc.value;
+//TODO:length assertEq(get.length, 1);
+assertErrorMessage(() => get.call(), TypeError, /called on incompatible undefined/);
+assertErrorMessage(() => get.call({}), TypeError, /called on incompatible Object/);
+assertEq(get.call(tbl1, 0), null);
+assertEq(get.call(tbl1, 1), null);
+assertEq(get.call(tbl1, 1.5), null);
+assertErrorMessage(() => get.call(tbl1, 2), RangeError, /bad Table get index/);
+assertErrorMessage(() => get.call(tbl1, 2.5), RangeError, /bad Table get index/);
+assertErrorMessage(() => get.call(tbl1, -1), RangeError, /bad Table get index/);
+//TODO assertErrorMessage(() => get.call(tbl1, Math.pow(2,33)), RangeError, /bad Table get index/);
+assertErrorMessage(() => get.call(tbl1, {valueOf() { throw new Error("hi") }}), Error, "hi");
+
+// 'WebAssembly.Table.prototype.set' data property
+let setDesc = Object.getOwnPropertyDescriptor(tableProto, 'set');
+assertEq(typeof setDesc.value, "function");
+assertEq(setDesc.enumerable, false);
+assertEq(setDesc.configurable, true);
+
+// 'WebAssembly.Table.prototype.set' method
+let set = setDesc.value;
+//TODO assertEq(set.length, 2);
+assertErrorMessage(() => set.call(), TypeError, /called on incompatible undefined/);
+assertErrorMessage(() => set.call({}), TypeError, /called on incompatible Object/);
+assertErrorMessage(() => set.call(tbl1, 0), TypeError, /requires more than 1 argument/);
+assertErrorMessage(() => set.call(tbl1, 2, null), RangeError, /bad Table set index/);
+assertErrorMessage(() => set.call(tbl1, -1, null), RangeError, /bad Table set index/);
+//TODO assertErrorMessage(() => set.call(tbl1, Math.pow(2,33), null), RangeError, /bad Table set index/);
+assertErrorMessage(() => set.call(tbl1, 0, undefined), TypeError, /can only assign WebAssembly exported functions to Table/);
+assertErrorMessage(() => set.call(tbl1, 0, {}), TypeError, /can only assign WebAssembly exported functions to Table/);
+assertErrorMessage(() => set.call(tbl1, 0, function() {}), TypeError, /can only assign WebAssembly exported functions to Table/);
+assertErrorMessage(() => set.call(tbl1, 0, Math.sin), TypeError, /can only assign WebAssembly exported functions to Table/);
+assertErrorMessage(() => set.call(tbl1, {valueOf() { throw Error("hai") }}, null), Error, "hai");
+assertEq(set.call(tbl1, 0, null), undefined);
+assertEq(set.call(tbl1, 1, null), undefined);
+
+// 'WebAssembly.Table.prototype.grow' data property
+let tblGrowDesc = Object.getOwnPropertyDescriptor(tableProto, 'grow');
+assertEq(typeof tblGrowDesc.value, "function");
+assertEq(tblGrowDesc.enumerable, false);
+assertEq(tblGrowDesc.configurable, true);
+
+// 'WebAssembly.Table.prototype.grow' method
+if (false) { // TODO: Table.grow
+let tblGrow = tblGrowDesc.value;
+//TODO assertEq(tblGrow.length, 1);
+assertErrorMessage(() => tblGrow.call(), TypeError, /called on incompatible undefined/);
+assertErrorMessage(() => tblGrow.call({}), TypeError, /called on incompatible Object/);
+assertErrorMessage(() => tblGrow.call(tbl1, -1), RangeError, /bad Table grow delta/);
+assertErrorMessage(() => tblGrow.call(tbl1, Math.pow(2,32)), RangeError, /bad Table grow delta/);
+var tbl = new Table({element:"anyfunc", initial:1, maximum:2});
+assertEq(tbl.length, 1);
+assertEq(tbl.grow(0), 1);
+assertEq(tbl.length, 1);
+assertEq(tbl.grow(1), 1);
+assertEq(tbl.length, 2);
+assertErrorMessage(() => tbl.grow(1), Error, /failed to grow table/);
+}
+
+// 'WebAssembly.compile' data property
+let compileDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'compile');
+assertEq(typeof compileDesc.value, "function");
+assertEq(compileDesc.writable, true);
+assertEq(compileDesc.enumerable, false);
+assertEq(compileDesc.configurable, true);
+
+// 'WebAssembly.compile' function
+let compile = WebAssembly.compile;
+assertEq(compile, compileDesc.value);
+//TODO assertEq(compile.length, 1);
+//TODO assertEq(compile.name, "compile");
+function assertCompileError(args, err, msg) {
+  var error = null;
+  try {
+    compile(...args).catch(e => error = e);
+  } catch (e) {
+    // TODO: error shouldn't be thrown, but should be globbed onto the promise.
+    error = e;
+  }
+  drainJobQueue();
+  assertEq(error instanceof err, true);
+  assertEq(Boolean(error.stack.match("js-api.js")), true);
+//TODO  assertEq(Boolean(error.message.match(msg)), true);
+}
+assertCompileError([], TypeError, /requires more than 0 arguments/);
+//TODO assertCompileError([undefined], TypeError, /first argument must be an ArrayBuffer or typed array object/);
+//TODO assertCompileError([1], TypeError, /first argument must be an ArrayBuffer or typed array object/);
+//TODO assertCompileError([{}], TypeError, /first argument must be an ArrayBuffer or typed array object/);
+//TODO assertCompileError([new Uint8Array()], CompileError, /failed to match magic number/);
+//TODO assertCompileError([new ArrayBuffer()], CompileError, /failed to match magic number/);
+function assertCompileSuccess(bytes) {
+    var module = null;
+    compile(bytes).then(m => module = m);
+    drainJobQueue();
+    assertEq(module instanceof Module, true);
+}
+assertCompileSuccess(emptyModuleBinary);
+assertCompileSuccess(emptyModuleBinary.buffer);
+
+if (false) {  // TODO: implement WebAssembly.instantiate
+  // 'WebAssembly.instantiate' data property
+  let instantiateDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'instantiate');
+  assertEq(typeof instantiateDesc.value, "function");
+  assertEq(instantiateDesc.writable, true);
+  assertEq(instantiateDesc.enumerable, false);
+  assertEq(instantiateDesc.configurable, true);
+
+  // 'WebAssembly.instantiate' function
+  let instantiate = WebAssembly.instantiate;
+  assertEq(instantiate, instantiateDesc.value);
+  assertEq(instantiate.length, 2);
+  assertEq(instantiate.name, "instantiate");
+  function assertInstantiateError(args, err, msg) {
+    var error = null;
+    try {
+      instantiate(...args).catch(e => error = e);
+    } catch(e) {
+      error = e;
+    }
+    drainJobQueue();
+    assertEq(error instanceof err, true);
+    assertEq(Boolean(error.stack.match("jsapi.js")), true);
+    assertEq(Boolean(error.message.match(msg)), true);
+  }
+  assertInstantiateError([], TypeError, /requires more than 0 arguments/);
+  assertInstantiateError([undefined], TypeError, /first argument must be a WebAssembly.Module, ArrayBuffer or typed array object/);
+  assertInstantiateError([1], TypeError, /first argument must be a WebAssembly.Module, ArrayBuffer or typed array object/);
+  assertInstantiateError([{}], TypeError, /first argument must be a WebAssembly.Module, ArrayBuffer or typed array object/);
+  assertInstantiateError([new Uint8Array()], CompileError, /failed to match magic number/);
+  assertInstantiateError([new ArrayBuffer()], CompileError, /failed to match magic number/);
+  assertInstantiateError([importingModule], TypeError, /second argument must be an object/);
+  assertInstantiateError([importingModule, null], TypeError, /second argument must be an object/);
+  assertInstantiateError([importingModuleBinary, null], TypeError, /second argument must be an object/);
+  function assertInstantiateSuccess(module, imports) {
+    var result = null;
+    instantiate(module, imports).then(r => result = r);
+    drainJobQueue();
+    if (module instanceof Module) {
+      assertEq(result instanceof Instance, true);
+    } else {
+      assertEq(result.module instanceof Module, true);
+      assertEq(result.instance instanceof Instance, true);
+    }
+  }
+  assertInstantiateSuccess(emptyModule);
+  assertInstantiateSuccess(emptyModuleBinary);
+  assertInstantiateSuccess(emptyModuleBinary.buffer);
+  assertInstantiateSuccess(importingModule, {"":{f:()=>{}}});
+  assertInstantiateSuccess(importingModuleBinary, {"":{f:()=>{}}});
+  assertInstantiateSuccess(importingModuleBinary.buffer, {"":{f:()=>{}}});
+}