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'use strict';
const common = require('../../common');
const assert = require('assert');
// Testing api calls for arrays
const test_typedarray = require(`./build/${common.buildType}/binding`);
const byteArray = new Uint8Array(3);
byteArray[0] = 0;
byteArray[1] = 1;
byteArray[2] = 2;
assert.strictEqual(byteArray.length, 3);
const doubleArray = new Float64Array(3);
doubleArray[0] = 0.0;
doubleArray[1] = 1.1;
doubleArray[2] = 2.2;
assert.strictEqual(doubleArray.length, 3);
const byteResult = test_typedarray.Multiply(byteArray, 3);
assert.ok(byteResult instanceof Uint8Array);
assert.strictEqual(byteResult.length, 3);
assert.strictEqual(byteResult[0], 0);
assert.strictEqual(byteResult[1], 3);
assert.strictEqual(byteResult[2], 6);
const doubleResult = test_typedarray.Multiply(doubleArray, -3);
assert.ok(doubleResult instanceof Float64Array);
assert.strictEqual(doubleResult.length, 3);
assert.strictEqual(doubleResult[0], -0);
assert.strictEqual(Math.round(10 * doubleResult[1]) / 10, -3.3);
assert.strictEqual(Math.round(10 * doubleResult[2]) / 10, -6.6);
const externalResult = test_typedarray.External();
assert.ok(externalResult instanceof Int8Array);
assert.strictEqual(externalResult.length, 3);
assert.strictEqual(externalResult[0], 0);
assert.strictEqual(externalResult[1], 1);
assert.strictEqual(externalResult[2], 2);
// validate creation of all kinds of TypedArrays
const buffer = new ArrayBuffer(128);
const arrayTypes = [ Int8Array, Uint8Array, Uint8ClampedArray, Int16Array,
Uint16Array, Int32Array, Uint32Array, Float32Array,
Float64Array ];
arrayTypes.forEach((currentType) => {
const template = Reflect.construct(currentType, buffer);
const theArray = test_typedarray.CreateTypedArray(template, buffer);
assert.ok(theArray instanceof currentType,
'Type of new array should match that of the template. ' +
`Expected type: ${currentType.name}, ` +
`actual type: ${template.constructor.name}`);
assert.notStrictEqual(theArray, template);
assert.strictEqual(theArray.buffer, buffer);
});
arrayTypes.forEach((currentType) => {
const template = Reflect.construct(currentType, buffer);
assert.throws(() => {
test_typedarray.CreateTypedArray(template, buffer, 0, 136);
}, /Invalid typed array length/);
});
const nonByteArrayTypes = [ Int16Array, Uint16Array, Int32Array, Uint32Array,
Float32Array, Float64Array ];
nonByteArrayTypes.forEach((currentType) => {
const template = Reflect.construct(currentType, buffer);
assert.throws(() => {
test_typedarray.CreateTypedArray(template, buffer,
currentType.BYTES_PER_ELEMENT + 1, 1);
console.log(`start of offset ${currentType}`);
}, /start offset of/);
});
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