| // TARGET_BACKEND: WASM |
| |
| @file:OptIn(UnsafeWasmMemoryApi::class, ExperimentalWasmJsInterop::class) |
| |
| import kotlin.wasm.unsafe.* |
| |
| external class View : JsAny { |
| fun getInt8(address: UInt, littleEndian: Boolean): Byte |
| fun getInt16(address: UInt, littleEndian: Boolean): Short |
| fun getInt32(address: UInt, littleEndian: Boolean): Int |
| fun getBigInt64(address: UInt, littleEndian: Boolean): Long |
| fun setInt8(address: UInt, value: Byte, littleEndian: Boolean): Unit |
| fun setInt16(address: UInt, value: Short, littleEndian: Boolean): Unit |
| fun setInt32(address: UInt, value: Int, littleEndian: Boolean): Unit |
| fun setBigInt64(address: UInt, value: Long, littleEndian: Boolean): Unit |
| } |
| |
| fun getDataViewFromMemory(memory: WebAssembly.Memory): View = |
| js("new DataView(memory.buffer)") |
| |
| fun box(): String { |
| withScopedMemoryAllocator { allocator -> |
| var pointer = allocator.allocate(100) |
| val view = getDataViewFromMemory(wasmMemory) |
| |
| pointer += 10 |
| pointer.storeByte(1.toByte()) |
| if (view.getInt8(pointer.address, true) != 1.toByte()) return "FAIL1" |
| view.setInt8(pointer.address, 2.toByte(), true) |
| if (pointer.loadByte() != 2.toByte()) return "FAIL2" |
| |
| pointer += 10 |
| pointer.storeShort(3.toShort()) |
| if (view.getInt16(pointer.address, true) != 3.toShort()) return "FAIL3" |
| view.setInt16(pointer.address, 4.toShort(), true) |
| if (pointer.loadShort() != 4.toShort()) return "FAIL4" |
| |
| pointer += 10 |
| pointer.storeInt(5) |
| if (view.getInt32(pointer.address, true) != 5) return "FAIL5" |
| view.setInt32(pointer.address, 6, true) |
| if (pointer.loadInt() != 6) return "FAIL6" |
| |
| pointer += 10 |
| pointer.storeLong(123456789000L) |
| if (view.getBigInt64(pointer.address, true) != 123456789000L) return "FAIL7" |
| view.setBigInt64(pointer.address, 9876542341001L, true) |
| if (pointer.loadLong() != 9876542341001L) return "FAIL8" |
| } |
| return "OK" |
| } |
