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How to use assert_throws_wasm method in wpt

Best JavaScript code snippet using wpt

basic.tentative.any.js

Source:basic.tentative.any.js

1// META: global=window,worker,jsshell2// META: script=/wasm/jsapi/wasm-module-builder.js3function assert_throws_wasm(fn, message) {4  try {5    fn();6    assert_not_reached(`expected to throw with ${message}`);7  } catch (e) {8    assert_true(e instanceof WebAssembly.Exception, `Error should be a WebAssembly.Exception with ${message}`);9  }10}11promise_test(async () => {12  const kWasmAnyRef = 0x6f;13  const kSig_v_r = makeSig([kWasmAnyRef], []);14  const builder = new WasmModuleBuilder();15  const except = builder.addException(kSig_v_r);16  builder.addFunction("throw_param", kSig_v_r)17    .addBody([18      kExprLocalGet, 0,19      kExprThrow, except,20    ])21    .exportFunc();22  const buffer = builder.toBuffer();23  const {instance} = await WebAssembly.instantiate(buffer, {});24  const values = [25    undefined,26    null,27    true,28    false,29    "test",30    Symbol(),31    0,32    1,33    4.2,34    NaN,35    Infinity,36    {},37    () => {},38  ];39  for (const v of values) {40    assert_throws_wasm(() => instance.exports.throw_param(v), String(v));41  }42}, "Wasm function throws argument");43promise_test(async () => {44  const builder = new WasmModuleBuilder();45  const except = builder.addException(kSig_v_a);46  builder.addFunction("throw_null", kSig_v_v)47    .addBody([48      kExprRefNull, kWasmAnyFunc,49      kExprThrow, except,50    ])51    .exportFunc();52  const buffer = builder.toBuffer();53  const {instance} = await WebAssembly.instantiate(buffer, {});54  assert_throws_wasm(() => instance.exports.throw_null());55}, "Wasm function throws null");56promise_test(async () => {57  const builder = new WasmModuleBuilder();58  const except = builder.addException(kSig_v_i);59  builder.addFunction("throw_int", kSig_v_v)60    .addBody([61      ...wasmI32Const(7),62      kExprThrow, except,63    ])64    .exportFunc();65  const buffer = builder.toBuffer();66  const {instance} = await WebAssembly.instantiate(buffer, {});67  assert_throws_wasm(() => instance.exports.throw_int());68}, "Wasm function throws integer");69promise_test(async () => {70  const builder = new WasmModuleBuilder();71  const fnIndex = builder.addImport("module", "fn", kSig_v_v);72  const except = builder.addException(kSig_v_r);73  builder.addFunction("catch_exception", kSig_r_v)74    .addBody([75      kExprTry, kWasmStmt,76        kExprCallFunction, fnIndex,77      kExprCatch, except,78        kExprReturn,79      kExprEnd,80      kExprRefNull, kWasmAnyRef,81    ])...

Using AI Code Generation

1function test() {2    assert_throws_wasm(() => {3        WebAssembly.instantiate(new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0]));4    }, WebAssembly.CompileError);5}6    test();

Using AI Code Generation

1import { assert_throws_wasm } from './assert_throws_wasm.js';2assert_throws_wasm('TypeError', () => {3  WebAssembly.instantiate(new WebAssembly.Module(new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0])));4}, 'instantiate() should throw a TypeError when called with an invalid module');5assert_throws_wasm('TypeError', () => {6  new WebAssembly.Instance(new WebAssembly.Module(new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0])));7}, 'Instance() should throw a TypeError when called with an invalid module');8assert_throws_wasm('TypeError', () => {9  new WebAssembly.Table({ element: 'anyfunc', initial: 1 });10}, 'Table() should throw a TypeError when called with an invalid element type');11assert_throws_wasm('TypeError', () => {12  new WebAssembly.Memory({ initial: 1 });13}, 'Memory() should throw a TypeError when called with an invalid maximum');14assert_throws_wasm('TypeError', () => {15  new WebAssembly.Global({ value: 'anyfunc' }, 0);16}, 'Global() should throw a TypeError when called with an invalid value type');17assert_throws_wasm('TypeError', () => {18  new WebAssembly.Global({ value: 'i32' }, {});19}, 'Global() should throw a TypeError when called with an invalid value');20assert_throws_wasm('TypeError', () => {21  new WebAssembly.Global({ value: 'i32' }, 0, {});22}, 'Global() should throw a TypeError when called with an invalid descriptor');23assert_throws_wasm('TypeError', () => {24  new WebAssembly.Global({ value: 'i32' }, 0, { mutable: 0 });25}, 'Global() should throw a TypeError when called with an invalid descriptor');26assert_throws_wasm('TypeError', () => {27  new WebAssembly.Global({ value: 'i32' }, 0, { mutable: 1 });28}, 'Global() should throw a TypeError when called with an invalid descriptor');29assert_throws_wasm('TypeError', () => {30  new WebAssembly.Module({});31}, 'Module() should throw a TypeError when called with an invalid buffer source');32assert_throws_wasm('TypeError', () => {33  new WebAssembly.Module(new Uint

Using AI Code Generation

1function test() {2  var builder = new WasmModuleBuilder();3  builder.addImport("mod", "func", kSig_i_i);4  assert_throws_wasm(5    () => builder.instantiate(),6    "Module imports a function with incompatible signature"7  );8}9test();

Using AI Code Generation

1var buffer = new ArrayBuffer(8);2var module = new WebAssembly.Module(buffer);3var importObject = {4    imported_func: function(a, b, c) {5        return a + b + c;6    }7};8assert_throws_wasm(9    () => WebAssembly.instantiate(module, importObject)10);

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