117 lines
4.2 KiB
JavaScript
117 lines
4.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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make.typed = {
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byte: function (limit = null) {
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// [-128, 127]
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let value = (limit !== null) ? random.number(limit) : random.number(129)
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value = random.chance(10) ? -value : value
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return 'new Uint8Array([' + value + '])[0]'
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},
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octet: function (limit = null) {
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// [0, 255]
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let value = (limit !== null) ? random.number(limit) : random.number(256)
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return 'new Int8Array([' + value + '])[0]'
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},
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short: function (limit = null) {
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// [-32768, 32767]
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let value = (limit !== null) ? random.number(limit) : random.number(32769)
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value = random.chance(10) ? -value : value
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return 'new Int16Array([' + value + '])[0]'
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},
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unsignedShort: function (limit = null) {
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// [0, 65535]
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let value = (limit !== null) ? random.number(limit) : random.number(65535)
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return 'new Uint16Array([' + value + '])[0]'
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},
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long: function (limit = null) {
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// [-2147483648, 2147483647]
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let value = (limit !== null) ? random.number(limit) : random.number(2147483649)
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value = random.chance(10) ? -value : value
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return 'new Int32Array([' + value + '])[0]'
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},
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unsignedLong: function (limit = null) {
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// [0, 4294967295]
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let value = (limit !== null) ? random.number(limit) : random.number(4294967296)
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return 'new Uint32Array([' + value + '])[0]'
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},
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// ToDo: Add support for longlong and ulonglong
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/*
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longLong: function () {},
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unsignedLongLong: function () {},
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*/
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float: function (limit = null) {
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let base = (limit !== null) ? random.number(limit) : random.number()
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let value = random.chance(10) ? -(base + random.float()) : (base + random.float())
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return 'new Float32Array([' + value + '])[0]'
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},
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unrestrictedFloat: function (limit = null) {
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if (random.chance(100)) {
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return random.pick([NaN, +Infinity, -Infinity])
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} else {
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let base = (limit !== null) ? random.number(limit) : random.number()
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return 'new Float32Array([' + (base + random.float()) + '])[0]'
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}
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},
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double: function (limit = null) {
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let base = (limit !== null) ? random.number(limit) : random.number()
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let value = random.chance(10) ? -(base + random.float()) : (base + random.float())
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return 'new Float64Array([' + value + '])[0]'
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},
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unrestrictedDouble: function (limit = null) {
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if (random.chance(100)) {
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return random.pick([NaN, +Infinity, -Infinity])
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} else {
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let base = (limit !== null) ? random.number(limit) : random.number()
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let value = random.chance(10) ? -(base + random.float()) : (base + random.float())
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return 'new Float64Array([' + value + '])[0]'
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}
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},
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any: function () {
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return random.choose([
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[1, [this.byte, this.octet]],
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[1, [this.short, this.unsignedShort]],
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[1, [this.long, this.unsignedLong]],
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[1, [this.float, this.unrestrictedFloat]],
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[1, [this.double, this.unrestrictedDouble]],
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[1, [make.number.range, make.number.tiny]]
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])
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},
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arrayBuffer: function (byteLength = null) {
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let length = (byteLength !== null) ? byteLength : this.unsignedShort()
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return 'new ArrayBuffer(' + length + ')'
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},
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dataView: function (byteLength = null) {
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let length = (byteLength !== null) ? byteLength : this.unsignedShort()
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return 'new DataView(' + this.arrayBuffer(length) + ')'
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},
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typedArray: function (byteLength = null) {
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let length = (byteLength !== null) ? byteLength : this.unsignedShort()
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let arrType = random.item([
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'Int8', 'Uint8', 'Uint8Clamped',
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'Int16', 'Uint16',
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'Int32', 'Uint32',
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'Float32', 'Float64'
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])
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let method = 'new ' + arrType + 'Array'
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switch (random.number(16)) {
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case 0:
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return method + '()'
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case 1:
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return method + '(' + this.typedArray() + ')'
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default:
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return method + '(' + length + ')'
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}
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},
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bufferSource: function () {
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switch (random.number(4)) {
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case 0:
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return this.arrayBuffer()
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case 1:
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return this.dataView()
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default:
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return this.typedArray()
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}
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}
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}
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