Alexander Shabalin
94 lines
3.1 KiB
Kotlin
94 lines
3.1 KiB
Kotlin
/*
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* Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package test.kotlinx.cinterop
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import kotlin.test.*
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import kotlinx.cinterop.Vector128
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import kotlinx.cinterop.vectorOf
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class VectorTest {
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@Test
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fun box() {
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class Box(val value: Vector128)
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val v = vectorOf(1f, 3.162f, 10f, 31f)
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val box = Box(v)
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assertEquals(v, box.value)
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}
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@Test
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fun boxWithExtraFields() {
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class Box(v: Vector128) {
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val extraField: Int = 1
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var value: Vector128 = v
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}
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val box = Box(vectorOf(0, 1, 2, 3))
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assertEquals(vectorOf(0, 1, 2, 3), box.value)
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box.value = vectorOf(0.1f, 1.1f, 2.1f, 3.1f)
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assertEquals(vectorOf(0.1f, 1.1f, 2.1f, 3.1f), box.value)
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}
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@Test
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fun getIntAt() {
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val a = arrayOf(0, 1, 2, 3)
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val v = vectorOf(a[0], a[1], a[2], a[3])
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(0 until 4).forEach { assertEquals(a[it], v.getIntAt(it)) }
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assertFailsWith<IndexOutOfBoundsException> { v.getIntAt(-1) }
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assertFailsWith<IndexOutOfBoundsException> { v.getIntAt(4) }
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}
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@Test
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fun getFloatAt() {
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val a = arrayOf(1f, 3.162f, 10f, 31f)
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val v = vectorOf(a[0], a[1], a[2], a[3])
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(0 until 4).forEach { assertEquals(a[it], v.getFloatAt(it)) }
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assertFailsWith<IndexOutOfBoundsException> { v.getFloatAt(-1) }
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assertFailsWith<IndexOutOfBoundsException> { v.getFloatAt(4) }
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}
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@Test
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fun getByteAt() {
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val a = arrayOf(0, 1, 2, 3)
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val v = vectorOf(a[0], a[1], a[2], a[3])
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(0 until 4).forEach {
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assertEquals(if (Platform.isLittleEndian) a[it].toByte() else 0, v.getByteAt(it * 4))
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assertEquals(0, v.getByteAt(it * 4 + 1))
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assertEquals(0, v.getByteAt(it * 4 + 2))
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assertEquals(if (!Platform.isLittleEndian) a[it].toByte() else 0, v.getByteAt(it * 4 + 3))
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}
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assertFailsWith<IndexOutOfBoundsException> { v.getByteAt(-1) }
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assertFailsWith<IndexOutOfBoundsException> { v.getByteAt(16) }
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}
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@Test
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fun updateVector() {
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var v = vectorOf(0, 1, 2, 3)
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val a = arrayOf(1f, 3.162f, 10f, 31f)
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// Used to be vector of ints, now a vector of floats.
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v = vectorOf(a[0], a[1], a[2], a[3])
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(0 until 4).forEach { assertEquals(a[it], v.getFloatAt(it)) }
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}
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@Test
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fun testToString() {
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val v = vectorOf(100, 1024, Int.MAX_VALUE, Int.MIN_VALUE)
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assertEquals("(0x64, 0x400, 0x7fffffff, 0x80000000)", v.toString())
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}
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@Test
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fun testEquals() {
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assertNotEquals(vectorOf(-1f, 0f, 0f, -7f), vectorOf(1f, 4f, 3f, 7f))
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assertNotEquals(vectorOf(-1f, 0f, 0f, -7f), Any())
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assertEquals(vectorOf(-1f, 0f, 0f, -7f), vectorOf(-1f, 0f, 0f, -7f))
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}
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@Test
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fun testHashCode() {
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assertNotEquals(vectorOf(1f, 4f, 3f, 7f).hashCode(), vectorOf(3f, 7f, 1f, 4f).hashCode())
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assertEquals(vectorOf(1f, 4f, 3f, 7f).hashCode(), vectorOf(1f, 4f, 3f, 7f).hashCode())
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}
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} |