// GENERATED, DO NOT EDIT
// file: asyncHelpers.js
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: |
    A collection of assertion and wrapper functions for testing asynchronous built-ins.
defines: [asyncTest, assert.throwsAsync]
---*/

/**
 * Defines the **sole** asynchronous test of a file.
 * @see {@link ../docs/rfcs/async-helpers.md} for background.
 *
 * @param {Function} testFunc a callback whose returned promise indicates test results
 *   (fulfillment for success, rejection for failure)
 * @returns {void}
 */
function asyncTest(testFunc) {
  if (!Object.prototype.hasOwnProperty.call(globalThis, "$DONE")) {
    throw new Test262Error("asyncTest called without async flag");
  }
  if (typeof testFunc !== "function") {
    $DONE(new Test262Error("asyncTest called with non-function argument"));
    return;
  }
  try {
    testFunc().then(
      function () {
        $DONE();
      },
      function (error) {
        $DONE(error);
      }
    );
  } catch (syncError) {
    $DONE(syncError);
  }
}

/**
 * Asserts that a callback asynchronously throws an instance of a particular
 * error (i.e., returns a promise whose rejection value is an object referencing
 * the constructor).
 *
 * @param {Function} expectedErrorConstructor the expected constructor of the
 *   rejection value
 * @param {Function} func the callback
 * @param {string} [message] the prefix to use for failure messages
 * @returns {Promise<void>} fulfills if the expected error is thrown,
 *   otherwise rejects
 */
assert.throwsAsync = function (expectedErrorConstructor, func, message) {
  return new Promise(function (resolve) {
    var fail = function (detail) {
      if (message === undefined) {
        throw new Test262Error(detail);
      }
      throw new Test262Error(message + " " + detail);
    };
    if (typeof expectedErrorConstructor !== "function") {
      fail("assert.throwsAsync called with an argument that is not an error constructor");
    }
    if (typeof func !== "function") {
      fail("assert.throwsAsync called with an argument that is not a function");
    }
    var expectedName = expectedErrorConstructor.name;
    var expectation = "Expected a " + expectedName + " to be thrown asynchronously";
    var res;
    try {
      res = func();
    } catch (thrown) {
      fail(expectation + " but the function threw synchronously");
    }
    if (res === null || typeof res !== "object" || typeof res.then !== "function") {
      fail(expectation + " but result was not a thenable");
    }
    var onResFulfilled, onResRejected;
    var resSettlementP = new Promise(function (onFulfilled, onRejected) {
      onResFulfilled = onFulfilled;
      onResRejected = onRejected;
    });
    try {
      res.then(onResFulfilled, onResRejected)
    } catch (thrown) {
      fail(expectation + " but .then threw synchronously");
    }
    resolve(resSettlementP.then(
      function () {
        fail(expectation + " but no exception was thrown at all");
      },
      function (thrown) {
        var actualName;
        if (thrown === null || typeof thrown !== "object") {
          fail(expectation + " but thrown value was not an object");
        } else if (thrown.constructor !== expectedErrorConstructor) {
          actualName = thrown.constructor.name;
          if (expectedName === actualName) {
            fail(expectation +
              " but got a different error constructor with the same name");
          }
          fail(expectation + " but got a " + actualName);
        }
      }
    ));
  });
};

// file: resizableArrayBufferUtils.js
// Copyright 2023 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
description: |
    Collection of helper constants and functions for testing resizable array buffers.
defines:
  - floatCtors
  - ctors
  - MyBigInt64Array
  - CreateResizableArrayBuffer
  - MayNeedBigInt
  - Convert
  - ToNumbers
  - CreateRabForTest
  - CollectValuesAndResize
  - TestIterationAndResize
features: [BigInt]
---*/
// Helper to create subclasses without bombing out when `class` isn't supported
function subClass(type) {
  try {
    return new Function('return class My' + type + ' extends ' + type + ' {}')();
  } catch (e) {}
}

const MyUint8Array = subClass('Uint8Array');
const MyFloat32Array = subClass('Float32Array');
const MyBigInt64Array = subClass('BigInt64Array');

const builtinCtors = [
  Uint8Array,
  Int8Array,
  Uint16Array,
  Int16Array,
  Uint32Array,
  Int32Array,
  Float32Array,
  Float64Array,
  Uint8ClampedArray,
];

// Big(U)int64Array and Float16Array are newer features adding them above unconditionally
// would cause implementations lacking it to fail every test which uses it.
if (typeof Float16Array !== 'undefined') {
  builtinCtors.push(Float16Array);
}

if (typeof BigUint64Array !== 'undefined') {
  builtinCtors.push(BigUint64Array);
}

if (typeof BigInt64Array !== 'undefined') {
  builtinCtors.push(BigInt64Array);
}

const floatCtors = [
  Float32Array,
  Float64Array,
  MyFloat32Array
];

if (typeof Float16Array !== 'undefined') {
  floatCtors.push(Float16Array);
}

const ctors = builtinCtors.concat(MyUint8Array, MyFloat32Array);

if (typeof MyBigInt64Array !== 'undefined') {
    ctors.push(MyBigInt64Array);
}

function CreateResizableArrayBuffer(byteLength, maxByteLength) {
  return new ArrayBuffer(byteLength, { maxByteLength: maxByteLength });
}

function Convert(item) {
  if (typeof item == 'bigint') {
    return Number(item);
  }
  return item;
}

function ToNumbers(array) {
  let result = [];
  for (let i = 0; i < array.length; i++) {
    let item = array[i];
    result.push(Convert(item));
  }
  return result;
}

function MayNeedBigInt(ta, n) {
  assert.sameValue(typeof n, 'number');
  if ((BigInt64Array !== 'undefined' && ta instanceof BigInt64Array)
      || (BigUint64Array !== 'undefined' && ta instanceof BigUint64Array)) {
    return BigInt(n);
  }
  return n;
}

function CreateRabForTest(ctor) {
  const rab = CreateResizableArrayBuffer(4 * ctor.BYTES_PER_ELEMENT, 8 * ctor.BYTES_PER_ELEMENT);
  // Write some data into the array.
  const taWrite = new ctor(rab);
  for (let i = 0; i < 4; ++i) {
    taWrite[i] = MayNeedBigInt(taWrite, 2 * i);
  }
  return rab;
}

function CollectValuesAndResize(n, values, rab, resizeAfter, resizeTo) {
  if (typeof n == 'bigint') {
    values.push(Number(n));
  } else {
    values.push(n);
  }
  if (values.length == resizeAfter) {
    rab.resize(resizeTo);
  }
  return true;
}

function TestIterationAndResize(iterable, expected, rab, resizeAfter, newByteLength) {
  let values = [];
  let resized = false;
  var arrayValues = false;

  for (let value of iterable) {
    if (Array.isArray(value)) {
      arrayValues = true;
      values.push([
        value[0],
        Number(value[1])
      ]);
    } else {
      values.push(Number(value));
    }
    if (!resized && values.length == resizeAfter) {
      rab.resize(newByteLength);
      resized = true;
    }
  }
  if (!arrayValues) {
      assert.compareArray([].concat(values), expected, "TestIterationAndResize: list of iterated values");
  } else {
    for (let i = 0; i < expected.length; i++) {
      assert.compareArray(values[i], expected[i], "TestIterationAndResize: list of iterated lists of values");
    }
  }
  assert(resized, "TestIterationAndResize: resize condition should have been hit");
}