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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.typedarray
import org.scalajs.jasminetest.JasmineTest
import org.scalajs.jasmine.JasmineExpectation
import scala.scalajs.js
import js.typedarray._
/** Shallow test for TypedArrays. Basically just tests that the method exist and
* return something which could be a right result. It is probably sufficient to
* test whether a runtime supports TypedArrays.
*/
object TypedArrayTest extends JasmineTest {
/** Generalized tests for all TypedArrays */
def tests[V, T <: TypedArray[V, T]](name: String,
bytesPerElement: => Int,
lenCtor: Int => T,
tarrCtor: TypedArray[_, _] => T,
arrCtor: js.Array[_] => T,
bufCtor1: (ArrayBuffer) => T,
bufCtor2: (ArrayBuffer, Int) => T,
bufCtor3: (ArrayBuffer, Int, Int) => T,
hasType: Any => Boolean,
expectV: V => JasmineExpectation,
intToV: Int => V
) = {
when("typedarray").
describe(name) {
it(s"should allow constructing a new $name with length") {
val x = lenCtor(10)
expect(hasType(x)).toBeTruthy
expect(x.length).toBe(10)
}
it(s"should allow constructing a new $name from an Int8Array") {
val x = tarrCtor(new Float32Array(js.Array(3, 7)))
expect(hasType(x)).toBeTruthy
expect(x.length).toBe(2)
expectV(x(0)).toEqual(3)
expectV(x(1)).toEqual(7)
}
it(s"should allow constructing a new $name from a js.Array") {
val x = arrCtor(js.Array(5,6,7))
expect(hasType(x)).toBeTruthy
expect(x.length).toBe(3)
expectV(x(0)).toEqual(5)
expectV(x(1)).toEqual(6)
expectV(x(2)).toEqual(7)
}
it(s"should allow constructing a new $name from an ArrayBuffer (1 arg)") {
val buf = arrCtor(js.Array(5, 6, 7, 8)).buffer
val x = bufCtor1(buf)
expect(hasType(x)).toBeTruthy
expect(x.length).toBe(4)
expectV(x(0)).toEqual(5)
expectV(x(1)).toEqual(6)
expectV(x(2)).toEqual(7)
expectV(x(3)).toEqual(8)
}
it(s"should allow constructing a new $name from an ArrayBuffer (2 arg)") {
val buf = arrCtor(js.Array(5, 6, 7, 8)).buffer
val x = bufCtor2(buf, bytesPerElement)
expect(hasType(x)).toBeTruthy
expect(x.length).toBe(3)
expectV(x(0)).toEqual(6)
expectV(x(1)).toEqual(7)
expectV(x(2)).toEqual(8)
}
it(s"should allow constructing a new $name from an ArrayBuffer (3 arg)") {
val buf = arrCtor(js.Array(5, 6, 7, 8)).buffer
val x = bufCtor3(buf, bytesPerElement, 2)
expect(hasType(x)).toBeTruthy
expect(x.length).toBe(2)
expectV(x(0)).toEqual(6)
expectV(x(1)).toEqual(7)
}
it("should allow retrieving the length") {
val x = lenCtor(100)
expect(x.length).toBe(100)
}
it("should allow retrieving an element") {
val x = arrCtor(js.Array(5))
expectV(x(0)).toBe(5)
}
it("should allow setting an element") {
val x = lenCtor(2)
x(0) = intToV(5)
x(1) = intToV(10)
expectV(x(0)).toBe(5)
expectV(x(1)).toBe(10)
}
it("should provide `get`") {
val x = arrCtor(js.Array(10))
expectV(x.get(0)).toBe(10)
}
it("should provide `set` for a single element") {
val x = lenCtor(10)
x.set(0, intToV(5))
x.set(1, intToV(6))
expectV(x(0)).toBe(5)
expectV(x(1)).toBe(6)
expectV(x(2)).toBe(0)
}
it("should provide `set` for a js.Array with one arguments") {
val x = lenCtor(10)
x.set(js.Array(5,6,7))
expectV(x(0)).toBe(5)
expectV(x(1)).toBe(6)
expectV(x(2)).toBe(7)
expectV(x(3)).toBe(0)
expectV(x(4)).toBe(0)
expectV(x(5)).toBe(0)
}
it("should provide `set` for a js.Array with two arguments") {
val x = lenCtor(10)
x.set(js.Array(5,6,7), 2)
expectV(x(0)).toBe(0)
expectV(x(1)).toBe(0)
expectV(x(2)).toBe(5)
expectV(x(3)).toBe(6)
expectV(x(4)).toBe(7)
expectV(x(5)).toBe(0)
}
it("should provide `set` for a TypedArray with one argument") {
val x = lenCtor(10)
x.set(new Int8Array(js.Array(5,6,7)))
expectV(x(0)).toBe(5)
expectV(x(1)).toBe(6)
expectV(x(2)).toBe(7)
expectV(x(3)).toBe(0)
expectV(x(4)).toBe(0)
expectV(x(5)).toBe(0)
}
it("should provide `set` for a TypedArray with two arguments") {
val x = lenCtor(10)
x.set(new Int8Array(js.Array(5,6,7)), 2)
expectV(x(0)).toBe(0)
expectV(x(1)).toBe(0)
expectV(x(2)).toBe(5)
expectV(x(3)).toBe(6)
expectV(x(4)).toBe(7)
expectV(x(5)).toBe(0)
}
it("should provide `subarray` with one argument") {
val x = arrCtor(js.Array(1,2,3,4,5,6,7,8,9))
val y = x.subarray(2)
expect(y.length).toBe(7)
expectV(y(0)).toBe(3)
x(2) = intToV(100)
expectV(y(0)).toBe(100)
}
it("should provide `subarray` with two arguments") {
val x = arrCtor(js.Array(1,2,3,4,5,6,7,8,9))
val y = x.subarray(2, 4)
expect(y.length).toBe(2)
expectV(y(0)).toBe(3)
x(2) = intToV(100)
expectV(y(0)).toBe(100)
}
it("should provide `buffer`") {
val x = arrCtor(js.Array(1,2,3,4,5,6,7,8,9))
val y = bufCtor3(x.buffer, 0, 2)
expect(x.buffer eq y.buffer).toBeTruthy
}
it("should provide `byteLength`") {
val x = arrCtor(js.Array(0 until bytesPerElement * 4: _*))
val y = bufCtor3(x.buffer, bytesPerElement, 3)
expect(y.byteLength).toBe(3 * bytesPerElement)
}
it("should provide `byteOffset`") {
val x = arrCtor(js.Array(0 until bytesPerElement * 4: _*))
val y = bufCtor3(x.buffer, bytesPerElement, 3)
expect(y.byteOffset).toBe(bytesPerElement)
}
}
}
tests("Int8Array",
Int8Array.BYTES_PER_ELEMENT,
len => new Int8Array(len),
tarr => new Int8Array(tarr),
arr => new Int8Array(arr),
buf => new Int8Array(buf),
(buf, start) => new Int8Array(buf, start),
(buf, start, end) => new Int8Array(buf, start, end),
_.isInstanceOf[Int8Array],
expect (_: Byte),
_.toByte)
tests("Uint8Array",
Uint8Array.BYTES_PER_ELEMENT,
len => new Uint8Array(len),
tarr => new Uint8Array(tarr),
arr => new Uint8Array(arr),
buf => new Uint8Array(buf),
(buf, start) => new Uint8Array(buf, start),
(buf, start, end) => new Uint8Array(buf, start, end),
_.isInstanceOf[Uint8Array],
expect (_: Short),
_.toShort)
tests("Uint8ClampedArray",
Uint8ClampedArray.BYTES_PER_ELEMENT,
len => new Uint8ClampedArray(len),
tarr => new Uint8ClampedArray(tarr),
arr => new Uint8ClampedArray(arr),
buf => new Uint8ClampedArray(buf),
(buf, start) => new Uint8ClampedArray(buf, start),
(buf, start, end) => new Uint8ClampedArray(buf, start, end),
_.isInstanceOf[Uint8ClampedArray],
expect (_: Int),
_.toInt)
tests("Int16Array",
Int16Array.BYTES_PER_ELEMENT,
len => new Int16Array(len),
tarr => new Int16Array(tarr),
arr => new Int16Array(arr),
buf => new Int16Array(buf),
(buf, start) => new Int16Array(buf, start),
(buf, start, end) => new Int16Array(buf, start, end),
_.isInstanceOf[Int16Array],
expect (_: Short),
_.toShort)
tests("Uint16Array",
Uint16Array.BYTES_PER_ELEMENT,
len => new Uint16Array(len),
tarr => new Uint16Array(tarr),
arr => new Uint16Array(arr),
buf => new Uint16Array(buf),
(buf, start) => new Uint16Array(buf, start),
(buf, start, end) => new Uint16Array(buf, start, end),
_.isInstanceOf[Uint16Array],
expect (_: Int),
_.toInt)
tests("Int32Array",
Int32Array.BYTES_PER_ELEMENT,
len => new Int32Array(len),
tarr => new Int32Array(tarr),
arr => new Int32Array(arr),
buf => new Int32Array(buf),
(buf, start) => new Int32Array(buf, start),
(buf, start, end) => new Int32Array(buf, start, end),
_.isInstanceOf[Int32Array],
expect (_: Int),
_.toInt)
tests("Uint32Array",
Uint32Array.BYTES_PER_ELEMENT,
len => new Uint32Array(len),
tarr => new Uint32Array(tarr),
arr => new Uint32Array(arr),
buf => new Uint32Array(buf),
(buf, start) => new Uint32Array(buf, start),
(buf, start, end) => new Uint32Array(buf, start, end),
_.isInstanceOf[Uint32Array],
expect (_: Double),
_.toDouble)
tests("Float32Array",
Float32Array.BYTES_PER_ELEMENT,
len => new Float32Array(len),
tarr => new Float32Array(tarr),
arr => new Float32Array(arr),
buf => new Float32Array(buf),
(buf, start) => new Float32Array(buf, start),
(buf, start, end) => new Float32Array(buf, start, end),
_.isInstanceOf[Float32Array],
expect (_: Float),
_.toFloat)
tests("Float64Array",
Float64Array.BYTES_PER_ELEMENT,
len => new Float64Array(len),
tarr => new Float64Array(tarr),
arr => new Float64Array(arr),
buf => new Float64Array(buf),
(buf, start) => new Float64Array(buf, start),
(buf, start, end) => new Float64Array(buf, start, end),
_.isInstanceOf[Float64Array],
expect (_: Double),
_.toDouble)
}
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