| // META: global=jsshell |
| // META: script=/wasm/jsapi/wasm-module-builder.js |
| |
| function assert_Module(module) { |
| assert_equals(Object.getPrototypeOf(module), WebAssembly.Module.prototype, |
| "Prototype"); |
| assert_true(Object.isExtensible(module), "Extensibility"); |
| } |
| |
| let emptyModuleBinary; |
| setup(() => { |
| emptyModuleBinary = new WasmModuleBuilder().toBuffer(); |
| }); |
| |
| promise_test(t => { |
| return promise_rejects_js(t, TypeError, WebAssembly.compile()); |
| }, "Missing argument"); |
| |
| promise_test(t => { |
| const invalidArguments = [ |
| undefined, |
| null, |
| true, |
| "", |
| Symbol(), |
| 1, |
| {}, |
| ArrayBuffer, |
| ArrayBuffer.prototype, |
| Array.from(emptyModuleBinary), |
| ]; |
| return Promise.all(invalidArguments.map(argument => { |
| return promise_rejects_js(t, TypeError, WebAssembly.compile(argument), |
| `compile(${format_value(argument)})`); |
| })); |
| }, "Invalid arguments"); |
| |
| promise_test(() => { |
| const fn = WebAssembly.compile; |
| const thisValues = [ |
| undefined, |
| null, |
| true, |
| "", |
| Symbol(), |
| 1, |
| {}, |
| WebAssembly, |
| ]; |
| return Promise.all(thisValues.map(thisValue => { |
| return fn.call(thisValue, emptyModuleBinary).then(assert_Module); |
| })); |
| }, "Branding"); |
| |
| test(() => { |
| const promise = WebAssembly.compile(emptyModuleBinary); |
| assert_equals(Object.getPrototypeOf(promise), Promise.prototype, "prototype"); |
| assert_true(Object.isExtensible(promise), "extensibility"); |
| }, "Promise type"); |
| |
| promise_test(t => { |
| const buffer = new Uint8Array(); |
| return promise_rejects_js(t, WebAssembly.CompileError, WebAssembly.compile(buffer)); |
| }, "Empty buffer"); |
| |
| promise_test(t => { |
| const buffer = new Uint8Array(Array.from(emptyModuleBinary).concat([0, 0])); |
| return promise_rejects_js(t, WebAssembly.CompileError, WebAssembly.compile(buffer)); |
| }, "Invalid code"); |
| |
| promise_test(() => { |
| return WebAssembly.compile(emptyModuleBinary).then(assert_Module); |
| }, "Result type"); |
| |
| promise_test(() => { |
| return WebAssembly.compile(emptyModuleBinary, {}).then(assert_Module); |
| }, "Stray argument"); |
| |
| promise_test(() => { |
| const buffer = new WasmModuleBuilder().toBuffer(); |
| assert_equals(buffer[0], 0); |
| const promise = WebAssembly.compile(buffer); |
| buffer[0] = 1; |
| return promise.then(assert_Module); |
| }, "Changing the buffer"); |