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// META: global=window,dedicatedworker,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");
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