// 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 load('test/mjsunit/wasm/wasm-constants.js'); load('test/mjsunit/wasm/wasm-module-builder.js'); function unexpectedSuccess() { % AbortJS('unexpected success'); } function unexpectedFail(error) { % AbortJS('unexpected fail: ' + error); } function assertEq(val, expected) { assertEquals(expected, val); } function assertArrayBuffer(val, expected) { assertTrue(val instanceof ArrayBuffer); assertEq(expected.length, val.byteLength); var input = new Int8Array(val); for (var i = 0; i < expected.length; i++) { assertEq(expected[i], input[i]); } } function wasmIsSupported() { return (typeof WebAssembly.Module) == 'function'; } function assertErrorMessage(func, type, msg) { // TODO assertThrows(func, type, msg); assertThrows(func, type); } 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()); })(); let memoryImportingModuleBinary = (() => { var builder = new WasmModuleBuilder(); builder.addImportedMemory('', 'my_memory'); return new Int8Array(builder.toBuffer()); })(); let moduleBinaryImporting2Memories = (() => { var builder = new WasmModuleBuilder(); builder.addImportedMemory('', 'memory1'); builder.addImportedMemory('', 'memory2'); return new Int8Array(builder.toBuffer()); })(); let moduleBinaryWithMemSectionAndMemImport = (() => { var builder = new WasmModuleBuilder(); builder.addMemory(1, 1, false); builder.addImportedMemory('', 'memory1'); return new Int8Array(builder.toBuffer()); })(); // 'WebAssembly' data property on global object let wasmDesc = Object.getOwnPropertyDescriptor(this, 'WebAssembly'); assertEq(typeof wasmDesc.value, 'object'); assertTrue(wasmDesc.writable); assertFalse(wasmDesc.enumerable); assertTrue(wasmDesc.configurable); // 'WebAssembly' object assertEq(WebAssembly, wasmDesc.value); assertEq(String(WebAssembly), '[object WebAssembly]'); // 'WebAssembly.CompileError' let compileErrorDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'CompileError'); assertEq(typeof compileErrorDesc.value, 'function'); assertTrue(compileErrorDesc.writable); assertFalse(compileErrorDesc.enumerable); assertTrue(compileErrorDesc.configurable); let CompileError = WebAssembly.CompileError; assertEq(CompileError, compileErrorDesc.value); assertEq(CompileError.length, 1); assertEq(CompileError.name, 'CompileError'); let compileError = new CompileError; assertTrue(compileError instanceof CompileError); assertTrue(compileError instanceof Error); assertFalse(compileError instanceof TypeError); assertEq(compileError.message, ''); assertEq(new CompileError('hi').message, 'hi'); // 'WebAssembly.RuntimeError' let runtimeErrorDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'RuntimeError'); assertEq(typeof runtimeErrorDesc.value, 'function'); assertTrue(runtimeErrorDesc.writable); assertFalse(runtimeErrorDesc.enumerable); assertTrue(runtimeErrorDesc.configurable); let RuntimeError = WebAssembly.RuntimeError; assertEq(RuntimeError, runtimeErrorDesc.value); assertEq(RuntimeError.length, 1); assertEq(RuntimeError.name, 'RuntimeError'); let runtimeError = new RuntimeError; assertTrue(runtimeError instanceof RuntimeError); assertTrue(runtimeError instanceof Error); assertFalse(runtimeError instanceof TypeError); assertEq(runtimeError.message, ''); assertEq(new RuntimeError('hi').message, 'hi'); // 'WebAssembly.LinkError' let linkErrorDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'LinkError'); assertEq(typeof linkErrorDesc.value, 'function'); assertTrue(linkErrorDesc.writable); assertFalse(linkErrorDesc.enumerable); assertTrue(linkErrorDesc.configurable); let LinkError = WebAssembly.LinkError; assertEq(LinkError, linkErrorDesc.value); assertEq(LinkError.length, 1); assertEq(LinkError.name, 'LinkError'); let linkError = new LinkError; assertTrue(linkError instanceof LinkError); assertTrue(linkError instanceof Error); assertFalse(linkError instanceof TypeError); assertEq(linkError.message, ''); assertEq(new LinkError('hi').message, 'hi'); // 'WebAssembly.Module' data property let moduleDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'Module'); assertEq(typeof moduleDesc.value, 'function'); assertTrue(moduleDesc.writable); assertFalse(moduleDesc.enumerable); assertTrue(moduleDesc.configurable); // 'WebAssembly.Module' constructor function let Module = WebAssembly.Module; assertEq(Module, moduleDesc.value); assertEq(Module.length, 1); 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'); assertErrorMessage( () => new Module(new Uint8Array()), CompileError, /failed to match magic number/); assertErrorMessage( () => new Module(new ArrayBuffer()), CompileError, /failed to match magic number/); assertTrue(new Module(emptyModuleBinary) instanceof Module); assertTrue(new Module(emptyModuleBinary.buffer) instanceof Module); // 'WebAssembly.Module.prototype' data property let moduleProtoDesc = Object.getOwnPropertyDescriptor(Module, 'prototype'); assertEq(typeof moduleProtoDesc.value, 'object'); assertFalse(moduleProtoDesc.writable); assertFalse(moduleProtoDesc.enumerable); assertFalse(moduleProtoDesc.configurable); // 'WebAssembly.Module.prototype' object let moduleProto = Module.prototype; assertEq(moduleProto, moduleProtoDesc.value); assertEq(String(moduleProto), '[object WebAssembly.Module]'); 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'); assertEq(String(emptyModule), '[object WebAssembly.Module]'); assertEq(Object.getPrototypeOf(emptyModule), moduleProto); // 'WebAssembly.Module.imports' data property let moduleImportsDesc = Object.getOwnPropertyDescriptor(Module, 'imports'); assertEq(typeof moduleImportsDesc.value, 'function'); assertTrue(moduleImportsDesc.writable); assertFalse(moduleImportsDesc.enumerable); assertTrue(moduleImportsDesc.configurable); // '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(emptyModuleBinary)); assertTrue(arr instanceof Array); assertEq(arr.length, 0); let importingModuleBinary2 = (() => { var text = '(module (func (import "a" "b")) (memory (import "c" "d") 1) (table (import "e" "f") 1 anyfunc) (global (import "g" "⚡") i32))' let builder = new WasmModuleBuilder(); builder.addImport('a', 'b', kSig_i_i); builder.addImportedMemory('c', 'd'); builder.addImportedTable('e', 'f'); builder.addImportedGlobal('g', 'x', kWasmI32); return new Int8Array(builder.toBuffer()); })(); var arr = moduleImports(new Module(importingModuleBinary2)); assertTrue(arr instanceof Array); 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, 'x'); // 'WebAssembly.Module.exports' data property let moduleExportsDesc = Object.getOwnPropertyDescriptor(Module, 'exports'); assertEq(typeof moduleExportsDesc.value, 'function'); assertTrue(moduleExportsDesc.writable); assertFalse(moduleExportsDesc.enumerable); assertTrue(moduleExportsDesc.configurable); // '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); assertTrue(arr instanceof Array); assertEq(arr.length, 0); let exportingModuleBinary2 = (() => { var text = '(module (func (export "a")) (memory (export "b") 1) (table (export "c") 1 anyfunc) (global (export "⚡") i32 (i32.const 0)))'; let builder = new WasmModuleBuilder(); builder.addFunction('foo', kSig_v_v).addBody([]).exportAs('a'); builder.addMemory(1, 1, false); builder.exportMemoryAs('b'); builder.setFunctionTableLength(1); builder.addExportOfKind('c', kExternalTable, 0); var o = builder.addGlobal(kWasmI32, false).exportAs('x'); return new Int8Array(builder.toBuffer()); })(); var arr = moduleExports(new Module(exportingModuleBinary2)); assertTrue(arr instanceof Array); 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, 'x'); // 'WebAssembly.Module.customSections' data property let moduleCustomSectionsDesc = Object.getOwnPropertyDescriptor(Module, 'customSections'); assertEq(typeof moduleCustomSectionsDesc.value, 'function'); assertEq(moduleCustomSectionsDesc.writable, true); assertEq(moduleCustomSectionsDesc.enumerable, false); assertEq(moduleCustomSectionsDesc.configurable, true); let moduleCustomSections = moduleCustomSectionsDesc.value; assertEq(moduleCustomSections.length, 2); assertErrorMessage( () => moduleCustomSections(), TypeError, /requires more than 0 arguments/); assertErrorMessage( () => moduleCustomSections(undefined), TypeError, /first argument must be a WebAssembly.Module/); assertErrorMessage( () => moduleCustomSections({}), TypeError, /first argument must be a WebAssembly.Module/); var arr = moduleCustomSections(emptyModule, 'x'); assertEq(arr instanceof Array, true); assertEq(arr.length, 0); assertErrorMessage( () => moduleCustomSections(1), TypeError, 'first argument must be a WebAssembly.Module'); assertErrorMessage( () => moduleCustomSections(emptyModule), TypeError, 'second argument must be a String'); assertErrorMessage( () => moduleCustomSections(emptyModule, 3), TypeError, 'second argument must be a String'); let customSectionModuleBinary2 = (() => { let builder = new WasmModuleBuilder(); builder.addCustomSection('x', [2]); builder.addCustomSection('foo', [66, 77]); builder.addCustomSection('foo', [91, 92, 93]); builder.addCustomSection('fox', [99, 99, 99]); return new Int8Array(builder.toBuffer()); })(); var arr = moduleCustomSections(new Module(customSectionModuleBinary2), 'x'); assertEq(arr instanceof Array, true); assertEq(arr.length, 1); assertArrayBuffer(arr[0], [2]); var arr = moduleCustomSections(new Module(customSectionModuleBinary2), 'foo'); assertEq(arr instanceof Array, true); assertEq(arr.length, 2); assertArrayBuffer(arr[0], [66, 77]); assertArrayBuffer(arr[1], [91, 92, 93]); var arr = moduleCustomSections(new Module(customSectionModuleBinary2), 'bar'); assertEq(arr instanceof Array, true); assertEq(arr.length, 0); // 'WebAssembly.Instance' data property let instanceDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'Instance'); assertEq(typeof instanceDesc.value, 'function'); assertTrue(instanceDesc.writable); assertFalse(instanceDesc.enumerable); assertTrue(instanceDesc.configurable); // 'WebAssembly.Instance' constructor function let Instance = WebAssembly.Instance; assertEq(Instance, instanceDesc.value); assertEq(Instance.length, 1); 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'); assertErrorMessage( () => new Instance(emptyModule, null), TypeError, 'second argument must be an object'); assertErrorMessage(() => new Instance(importingModule, null), TypeError, ''); assertErrorMessage( () => new Instance(importingModule, undefined), TypeError, ''); assertErrorMessage( () => new Instance(importingModule, {'': {g: () => {}}}), LinkError, ''); assertErrorMessage( () => new Instance(importingModule, {t: {f: () => {}}}), LinkError, ''); assertTrue(new Instance(emptyModule) instanceof Instance); assertTrue(new Instance(emptyModule, {}) instanceof Instance); // 'WebAssembly.Instance.prototype' data property let instanceProtoDesc = Object.getOwnPropertyDescriptor(Instance, 'prototype'); assertEq(typeof instanceProtoDesc.value, 'object'); assertFalse(instanceProtoDesc.writable); assertFalse(instanceProtoDesc.enumerable); assertFalse(instanceProtoDesc.configurable); // 'WebAssembly.Instance.prototype' object let instanceProto = Instance.prototype; assertEq(instanceProto, instanceProtoDesc.value); assertEq(String(instanceProto), '[object WebAssembly.Instance]'); assertEq(Object.getPrototypeOf(instanceProto), Object.prototype); // 'WebAssembly.Instance' instance objects let exportingInstance = new Instance(exportingModule); assertEq(typeof exportingInstance, 'object'); assertEq(String(exportingInstance), '[object WebAssembly.Instance]'); assertEq(Object.getPrototypeOf(exportingInstance), instanceProto); // 'WebAssembly.Instance' 'exports' data property let instanceExportsDesc = Object.getOwnPropertyDescriptor(exportingInstance, 'exports'); assertEq(typeof instanceExportsDesc.value, 'object'); assertTrue(instanceExportsDesc.writable); assertTrue(instanceExportsDesc.enumerable); assertTrue(instanceExportsDesc.configurable); exportsObj = exportingInstance.exports; assertEq(typeof exportsObj, 'object'); assertFalse(Object.isExtensible(exportsObj)); assertEq(Object.getPrototypeOf(exportsObj), null); assertEq(Object.keys(exportsObj).join(), 'f'); // Exported WebAssembly functions let f = exportingInstance.exports.f; assertTrue(f instanceof Function); assertEq(f.length, 0); assertTrue('name' in f); 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'); assertTrue(memoryDesc.writable); assertFalse(memoryDesc.enumerable); assertTrue(memoryDesc.configurable); // 'WebAssembly.Memory' constructor function let Memory = WebAssembly.Memory; assertEq(Memory, memoryDesc.value); assertEq(Memory.length, 1); 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/); assertTrue(new Memory({initial: 1}) instanceof Memory); 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'); assertFalse(memoryProtoDesc.writable); assertFalse(memoryProtoDesc.enumerable); assertFalse(memoryProtoDesc.configurable); // 'WebAssembly.Memory.prototype' object let memoryProto = Memory.prototype; assertEq(memoryProto, memoryProtoDesc.value); assertEq(String(memoryProto), '[object WebAssembly.Memory]'); assertEq(Object.getPrototypeOf(memoryProto), Object.prototype); // 'WebAssembly.Memory' instance objects let mem1 = new Memory({initial: 1}); assertEq(typeof mem1, 'object'); 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); assertFalse(bufferDesc.enumerable); assertTrue(bufferDesc.configurable); // '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/); assertTrue(bufferGetter.call(mem1) instanceof ArrayBuffer); assertEq(bufferGetter.call(mem1).byteLength, kPageSize); // 'WebAssembly.Memory.prototype.grow' data property let memGrowDesc = Object.getOwnPropertyDescriptor(memoryProto, 'grow'); assertEq(typeof memGrowDesc.value, 'function'); assertFalse(memGrowDesc.enumerable); assertTrue(memGrowDesc.configurable); // 'WebAssembly.Memory.prototype.grow' method 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); assertTrue(buf !== mem.buffer); assertEq(buf.byteLength, 0); buf = mem.buffer; assertEq(buf.byteLength, kPageSize); assertEq(mem.grow(1), 1); assertTrue(buf !== mem.buffer); 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'); assertTrue(tableDesc.writable); assertFalse(tableDesc.enumerable); assertTrue(tableDesc.configurable); // 'WebAssembly.Table' constructor function let Table = WebAssembly.Table; assertEq(Table, tableDesc.value); assertEq(Table.length, 1); 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/); assertTrue(new Table({initial: 1, element: 'anyfunc'}) instanceof Table); assertTrue(new Table({initial: 1.5, element: 'anyfunc'}) instanceof Table); assertTrue( new Table({initial: 1, maximum: 1.5, element: 'anyfunc'}) instanceof Table); // TODO:maximum assertTrue(new Table({initial:1, maximum:Math.pow(2,32)-1, // element:"anyfunc"}) instanceof Table); // 'WebAssembly.Table.prototype' data property let tableProtoDesc = Object.getOwnPropertyDescriptor(Table, 'prototype'); assertEq(typeof tableProtoDesc.value, 'object'); assertFalse(tableProtoDesc.writable); assertFalse(tableProtoDesc.enumerable); assertFalse(tableProtoDesc.configurable); // 'WebAssembly.Table.prototype' object let tableProto = Table.prototype; assertEq(tableProto, tableProtoDesc.value); assertEq(String(tableProto), '[object WebAssembly.Table]'); assertEq(Object.getPrototypeOf(tableProto), Object.prototype); // 'WebAssembly.Table' instance objects let tbl1 = new Table({initial: 2, element: 'anyfunc'}); assertEq(typeof tbl1, 'object'); 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); assertFalse(lengthDesc.enumerable); assertTrue(lengthDesc.configurable); // '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'); assertFalse(getDesc.enumerable); assertTrue(getDesc.configurable); // 'WebAssembly.Table.prototype.get' method let get = getDesc.value; 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'); assertFalse(setDesc.enumerable); assertTrue(setDesc.configurable); // 'WebAssembly.Table.prototype.set' method let set = setDesc.value; 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'); assertFalse(tblGrowDesc.enumerable); assertTrue(tblGrowDesc.configurable); // 'WebAssembly.Table.prototype.grow' method let tblGrow = tblGrowDesc.value; 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.validate' function assertErrorMessage(() => WebAssembly.validate(), TypeError); assertErrorMessage(() => WebAssembly.validate('hi'), TypeError); assertTrue(WebAssembly.validate(emptyModuleBinary)); // TODO: other ways for validate to return false. assertFalse(WebAssembly.validate(moduleBinaryImporting2Memories)); assertFalse(WebAssembly.validate(moduleBinaryWithMemSectionAndMemImport)); // 'WebAssembly.compile' data property let compileDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'compile'); assertEq(typeof compileDesc.value, 'function'); assertTrue(compileDesc.writable); assertFalse(compileDesc.enumerable); assertTrue(compileDesc.configurable); // 'WebAssembly.compile' function let compile = WebAssembly.compile; assertEq(compile, compileDesc.value); assertEq(compile.length, 1); assertEq(compile.name, 'compile'); function assertCompileError(args, err, msg) { var error = null; assertPromiseResult(compile(...args), unexpectedSuccess, error => { assertTrue(error instanceof err); assertTrue(Boolean(error.stack.match('js-api.js'))); // TODO assertTrue(Boolean(error.message.match(msg))); }); } assertCompileError([], TypeError, /requires more than 0 arguments/); assertCompileError( [undefined], TypeError, /first argument must be an ArrayBuffer or typed array object/); assertCompileError( [1], TypeError, /first argument must be an ArrayBuffer or typed array object/); assertCompileError( [{}], TypeError, /first argument must be an ArrayBuffer or typed array object/); assertCompileError( [new Uint8Array()], CompileError, /BufferSource argument is empty/); assertCompileError( [new ArrayBuffer()], CompileError, /BufferSource argument is empty/); assertCompileError( [new Uint8Array('hi!')], CompileError, /failed to match magic number/); assertCompileError( [new ArrayBuffer('hi!')], CompileError, /failed to match magic number/); function assertCompileSuccess(bytes) { var module = null; assertPromiseResult(compile(bytes), m => assertTrue(m instanceof Module)); } assertCompileSuccess(emptyModuleBinary); assertCompileSuccess(emptyModuleBinary.buffer); // 'WebAssembly.instantiate' data property let instantiateDesc = Object.getOwnPropertyDescriptor(WebAssembly, 'instantiate'); assertEq(typeof instantiateDesc.value, 'function'); assertTrue(instantiateDesc.writable); assertFalse(instantiateDesc.enumerable); assertTrue(instantiateDesc.configurable); // 'WebAssembly.instantiate' function let instantiate = WebAssembly.instantiate; assertEq(instantiate, instantiateDesc.value); assertEq(instantiate.length, 1); assertEq(instantiate.name, 'instantiate'); function assertInstantiateError(args, err, msg) { var error = null; assertPromiseResult(instantiate(...args), unexpectedSuccess, error => { assertTrue(error instanceof err); assertTrue(Boolean(error.stack.match('js-api.js'))); // TODO assertTrue(Boolean(error.message.match(msg))); }); } var scratch_memory = new WebAssembly.Memory(new ArrayBuffer(10)); assertInstantiateError([], TypeError, /requires more than 0 arguments/); assertInstantiateError( [undefined], TypeError, /first argument must be a BufferSource/); assertInstantiateError([1], TypeError, /first argument must be a BufferSource/); assertInstantiateError( [{}], TypeError, /first argument must be a BufferSource/); assertInstantiateError( [new Uint8Array()], CompileError, /failed to match magic number/); assertInstantiateError( [new ArrayBuffer()], CompileError, /failed to match magic number/); assertInstantiateError( [new Uint8Array('hi!')], CompileError, /failed to match magic number/); assertInstantiateError( [new ArrayBuffer('hi!')], 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/); assertInstantiateError( [emptyModule, null], TypeError, /first argument must be a BufferSource/); assertInstantiateError( [importingModuleBinary, null], TypeError, /TODO: error messages?/); assertInstantiateError( [importingModuleBinary, undefined], TypeError, /TODO: error messages?/); assertInstantiateError( [importingModuleBinary, {}], LinkError, /TODO: error messages?/); assertInstantiateError( [importingModuleBinary, {'': {g: () => {}}}], LinkError, /TODO: error messages?/); assertInstantiateError( [importingModuleBinary, {t: {f: () => {}}}], LinkError, /TODO: error messages?/); assertInstantiateError( [memoryImportingModuleBinary, null], TypeError, /TODO: error messages?/); assertInstantiateError( [memoryImportingModuleBinary, undefined], TypeError, /TODO: error messages?/); assertInstantiateError( [memoryImportingModuleBinary, {}], LinkError, /TODO: error messages?/); assertInstantiateError( [memoryImportingModuleBinary, {'mod': {'my_memory': scratch_memory}}], LinkError, /TODO: error messages?/); assertInstantiateError( [memoryImportingModuleBinary, {'': {'memory': scratch_memory}}], LinkError, /TODO: error messages?/); function assertInstantiateSuccess(module_or_bytes, imports) { var result = null; assertPromiseResult(instantiate(module_or_bytes, imports), result => { if (module_or_bytes instanceof Module) { assertTrue(result instanceof Instance); } else { assertTrue(result.module instanceof Module); assertTrue(result.instance instanceof Instance); } }); } assertInstantiateSuccess(emptyModule); assertInstantiateSuccess(emptyModuleBinary); assertInstantiateSuccess(emptyModuleBinary.buffer); assertInstantiateSuccess(importingModule, {'': {f: () => {}}}); assertInstantiateSuccess(importingModuleBinary, {'': {f: () => {}}}); assertInstantiateSuccess(importingModuleBinary.buffer, {'': {f: () => {}}}); assertInstantiateSuccess( memoryImportingModuleBinary, {'': {'my_memory': scratch_memory}});