kotlin-fork/kotlin-native/runtime/test/kotlinx.cinterop/PinningTest.kt

/*
 * Copyright 2010-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
 * that can be found in the LICENSE file.
 */
@file:OptIn(ExperimentalForeignApi::class)
package test.kotlinx.cinterop

import kotlin.test.*
import kotlinx.cinterop.*

class PinnedTest {
    @Test
    fun pinnedByteArrayAddressOf() {
        val arr = ByteArray(10) { 0 }
        arr.usePinned {
            assertEquals(0, it.addressOf(0).pointed.value)
            assertEquals(0, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedStringAddressOf() {
        val str = "0000000000"
        str.usePinned {
            it.addressOf(0)
            it.addressOf(9)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedCharArrayAddressOf() {
        val arr = CharArray(10) { '0' }
        arr.usePinned {
            it.addressOf(0)
            it.addressOf(9)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedShortArrayAddressOf() {
        val arr = ShortArray(10) { 0 }
        arr.usePinned {
            assertEquals(0, it.addressOf(0).pointed.value)
            assertEquals(0, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedIntArrayAddressOf() {
        val arr = IntArray(10) { 0 }
        arr.usePinned {
            assertEquals(0, it.addressOf(0).pointed.value)
            assertEquals(0, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedLongArrayAddressOf() {
        val arr = LongArray(10) { 0 }
        arr.usePinned {
            assertEquals(0, it.addressOf(0).pointed.value)
            assertEquals(0, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedUByteArrayAddressOf() {
        val arr = UByteArray(10) { 0U }
        arr.usePinned {
            assertEquals(0U, it.addressOf(0).pointed.value)
            assertEquals(0U, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedUShortArrayAddressOf() {
        val arr = UShortArray(10) { 0U }
        arr.usePinned {
            assertEquals(0U, it.addressOf(0).pointed.value)
            assertEquals(0U, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedUIntArrayAddressOf() {
        val arr = UIntArray(10) { 0U }
        arr.usePinned {
            assertEquals(0U, it.addressOf(0).pointed.value)
            assertEquals(0U, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedULongArrayAddressOf() {
        val arr = ULongArray(10) { 0U }
        arr.usePinned {
            assertEquals(0U, it.addressOf(0).pointed.value)
            assertEquals(0U, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedFloatArrayAddressOf() {
        val arr = FloatArray(10) { 0.0f }
        arr.usePinned {
            assertEquals(0.0f, it.addressOf(0).pointed.value)
            assertEquals(0.0f, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }

    @Test
    fun pinnedDoubleArrayAddressOf() {
        val arr = DoubleArray(10) { 0.0 }
        arr.usePinned {
            assertEquals(0.0, it.addressOf(0).pointed.value)
            assertEquals(0.0, it.addressOf(9).pointed.value)
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(10)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(-1)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MAX_VALUE)
            }
            assertFailsWith<IndexOutOfBoundsException> {
                it.addressOf(Int.MIN_VALUE)
            }
        }
    }
}