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How to use assert_Memory method in wpt

Best JavaScript code snippet using wpt

constructor.any.js

Source:constructor.any.js

1// META: global=jsshell2// META: script=/wasm/jsapi/assertions.js3function assert_Memory(memory, expected) {4  assert_equals(Object.getPrototypeOf(memory), WebAssembly.Memory.prototype,5                "prototype");6  assert_true(Object.isExtensible(memory), "extensible");7  // https://github.com/WebAssembly/spec/issues/8408  assert_equals(memory.buffer, memory.buffer, "buffer should be idempotent");9  const isShared = !!expected.shared;10  const bufferType = isShared ? self.SharedArrayBuffer : ArrayBuffer;11  assert_equals(Object.getPrototypeOf(memory.buffer), bufferType.prototype,12                'prototype of buffer');13  assert_equals(memory.buffer.byteLength, 0x10000 * expected.size, "size of buffer");14  if (expected.size > 0) {15    const array = new Uint8Array(memory.buffer);16    assert_equals(array[0], 0, "first element of buffer");17    assert_equals(array[array.byteLength - 1], 0, "last element of buffer");18  }19  assert_equals(isShared, Object.isFrozen(memory.buffer), "buffer frozen");20  assert_not_equals(Object.isExtensible(memory.buffer), isShared, "buffer extensibility");21}22test(() => {23  assert_function_name(WebAssembly.Memory, "Memory", "WebAssembly.Memory");24}, "name");25test(() => {26  assert_function_length(WebAssembly.Memory, 1, "WebAssembly.Memory");27}, "length");28test(() => {29  assert_throws(new TypeError(), () => new WebAssembly.Memory());30}, "No arguments");31test(() => {32  const argument = { "initial": 0 };33  assert_throws(new TypeError(), () => WebAssembly.Memory(argument));34}, "Calling");35test(() => {36  const invalidArguments = [37    undefined,38    null,39    false,40    true,41    "",42    "test",43    Symbol(),44    1,45    NaN,46    {},47  ];48  for (const invalidArgument of invalidArguments) {49    assert_throws(new TypeError(),50                  () => new WebAssembly.Memory(invalidArgument),51                  `new Memory(${format_value(invalidArgument)})`);52  }53}, "Invalid descriptor argument");54test(() => {55  assert_throws(new TypeError(), () => new WebAssembly.Memory({ "initial": undefined }));56}, "Undefined initial value in descriptor");57const outOfRangeValues = [58  NaN,59  Infinity,60  -Infinity,61  -1,62  0x100000000,63  0x1000000000,64];65for (const value of outOfRangeValues) {66  test(() => {67    assert_throws(new TypeError(), () => new WebAssembly.Memory({ "initial": value }));68  }, `Out-of-range initial value in descriptor: ${format_value(value)}`);69  test(() => {70    assert_throws(new TypeError(), () => new WebAssembly.Memory({ "initial": 0, "maximum": value }));71  }, `Out-of-range maximum value in descriptor: ${format_value(value)}`);72}73test(() => {74  assert_throws(new RangeError(), () => new WebAssembly.Memory({ "initial": 10, "maximum": 9 }));75}, "Initial value exceeds maximum");76test(() => {77  assert_throws(new TypeError(), () => new WebAssembly.Memory({ "initial": 10, "shared": true }));78}, "Shared memory without maximum");79test(() => {80  const proxy = new Proxy({}, {81    has(o, x) {82      assert_unreached(`Should not call [[HasProperty]] with ${x}`);83    },84    get(o, x) {85      return 0;86    },87  });88  new WebAssembly.Memory(proxy);89}, "Proxy descriptor");90test(() => {91  const order = [];92  new WebAssembly.Memory({93    get maximum() {94      order.push("maximum");95      return {96        valueOf() {97          order.push("maximum valueOf");98          return 1;99        },100      };101    },102    get initial() {103      order.push("initial");104      return {105        valueOf() {106          order.push("initial valueOf");107          return 1;108        },109      };110    },111  });112  assert_array_equals(order, [113    "initial",114    "initial valueOf",115    "maximum",116    "maximum valueOf",117  ]);118}, "Order of evaluation for descriptor");119test(t => {120  const order = [];121  new WebAssembly.Memory({122    get maximum() {123      order.push("maximum");124      return {125        valueOf() {126          order.push("maximum valueOf");127          return 1;128        },129      };130    },131    get initial() {132      order.push("initial");133      return {134        valueOf() {135          order.push("initial valueOf");136          return 1;137        },138      };139    },140    get shared() {141      order.push("shared");142      return {143        valueOf: t.unreached_func("should not call shared valueOf"),144      };145    },146  });147  assert_array_equals(order, [148    "initial",149    "initial valueOf",150    "maximum",151    "maximum valueOf",152    "shared",153  ]);154}, "Order of evaluation for descriptor (with shared)");155test(() => {156  const argument = { "initial": 0 };157  const memory = new WebAssembly.Memory(argument);158  assert_Memory(memory, { "size": 0 });159}, "Zero initial");160test(() => {161  const argument = { "initial": 4 };162  const memory = new WebAssembly.Memory(argument);163  assert_Memory(memory, { "size": 4 });164}, "Non-zero initial");165test(() => {166  const argument = { "initial": 0 };167  const memory = new WebAssembly.Memory(argument, {});168  assert_Memory(memory, { "size": 0 });169}, "Stray argument");170test(() => {171  const argument = { "initial": 4, "maximum": 10, shared: true };172  const memory = new WebAssembly.Memory(argument);173  assert_Memory(memory, { "size": 4, "shared": true });...

Using AI Code Generation

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Using AI Code Generation

1function test() {2  var p = new Promise((resolve, reject) => {3    setTimeout(() => {4      resolve();5    }, 1000);6  });7  p.then(() => {8    assert_Memory(0, 0);9  });10}11test();

Using AI Code Generation

1var assert_Memory = WptTestUtils.assert_Memory;2var memory = WptTestUtils.memory;3var test = new WptTestUtils.Test('test', 'test');4test.addTestStep(function() {5  assert_Memory(memory, 100);6  test.done();7});8test.run();

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