To protect your data, the CISO officer has suggested users to enable GitLab 2FA as soon as possible.

Commit 22b19464 authored by Kunshan Wang's avatar Kunshan Wang
Browse files

Test MemorySupport

parent e4fdc4b2
package uvm.refimpl.mem
import org.scalatest._
import uvm._
import uvm.types._
import uvm.ssavariables._
import uvm.refimpl._
import uvm.refimpl.itpr._
import MemoryOrder._
import AtomicRMWOptr._
class NativeMemoryAccessTest extends FlatSpec with Matchers {
behavior of "The JNR-FFI-based native memory support"
it should "Allocate memory and do basic access" in {
val ms = new MemorySupport(1024L)
val begin = ms.muMemoryBegin
ms.storeI128(begin, (0x55555555aaaaaaaaL, 0xaaaaaaaa55555555L))
ms.storeLong(begin+16, 0x55aa55aa55aa55aaL)
ms.storeInt(begin+24, 0x5a5a5a5a)
ms.storeShort(begin+28, 0x55a5)
ms.storeByte(begin+30, 0x5a)
ms.storeDouble(begin+32, 3.14)
ms.storeFloat(begin+40, 6.28F)
ms.loadDouble(begin+32) shouldBe 3.14
ms.loadFloat(begin+40) shouldBe 6.28F
ms.loadByte(begin+30) shouldBe 0x5a
ms.loadShort(begin+28) shouldBe 0x55a5
ms.loadInt(begin+24) shouldBe 0x5a5a5a5a
ms.loadLong(begin+16) shouldBe 0x55aa55aa55aa55aaL
ms.loadI128(begin) shouldBe (0x55555555aaaaaaaaL, 0xaaaaaaaa55555555L)
it should "Refuse out-of-bound access when the in-mu-memory checking is enabled" in {
val ms = new MemorySupport(1024L)
val begin = ms.muMemoryBegin
val end = ms.muMemoryEnd
an [UvmIllegalMemoryAccessException] should be thrownBy ms.storeI128(end+1024L, (0x55555555aaaaaaaaL, 0xaaaaaaaa55555555L))
an [UvmIllegalMemoryAccessException] should be thrownBy ms.storeLong(end+1024L, 0x55aa55aa55aa55aaL)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.storeInt(end+1024L, 0x5a5a5a5a)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.storeShort(end+1024L, 0x55a5)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.storeByte(end+1024L, 0x5a)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.storeDouble(end+1024L, 3.14)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.storeFloat(end+1024L, 6.28F)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.loadDouble(end+1024L)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.loadFloat(end+1024L)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.loadByte(end+1024L)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.loadShort(end+1024L)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.loadInt(end+1024L)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.loadLong(end+1024L)
an [UvmIllegalMemoryAccessException] should be thrownBy ms.loadI128(end+1024L)
it should "allow out-of-bound access when the in-mu-memory checking is disabled" in {
val ms1 = new MemorySupport(1024L)
val ms2 = new MemorySupport(1024L)
// Use ms1 to access ms2.
val begin = ms2.muMemoryBegin
ms1.storeI128(begin, (0x55555555aaaaaaaaL, 0xaaaaaaaa55555555L), inMu=false)
ms1.storeLong(begin+16, 0x55aa55aa55aa55aaL, inMu=false)
ms1.storeInt(begin+24, 0x5a5a5a5a, inMu=false)
ms1.storeShort(begin+28, 0x55a5, inMu=false)
ms1.storeByte(begin+30, 0x5a, inMu=false)
ms1.storeDouble(begin+32, 3.14, inMu=false)
ms1.storeFloat(begin+40, 6.28F, inMu=false)
ms1.loadDouble(begin+32, inMu=false) shouldBe 3.14
ms1.loadFloat(begin+40, inMu=false) shouldBe 6.28F
ms1.loadByte(begin+30, inMu=false) shouldBe 0x5a
ms1.loadShort(begin+28, inMu=false) shouldBe 0x55a5
ms1.loadInt(begin+24, inMu=false) shouldBe 0x5a5a5a5a
ms1.loadLong(begin+16, inMu=false) shouldBe 0x55aa55aa55aa55aaL
ms1.loadI128(begin, inMu=false) shouldBe (0x55555555aaaaaaaaL, 0xaaaaaaaa55555555L)
\ No newline at end of file
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment