go func() {
		time.Sleep(5 * testDrwMutexAcquireTimeout)
		// fmt.Println("Unlocking dm1")

		dm1st.Unlock(t.Context())
	}()

	dm2nd.Lock(id, source)

	// fmt.Printf("2nd lock obtained after 1st lock is released\n")
	time.Sleep(testDrwMutexRefreshCallTimeout * 2)

	dm2nd.Unlock(t.Context())
}

// Test three locks for same resource, one succeeds, one fails (after timeout)

  /* Want to test simple MatMul example with abstract tensors:
    [[1,2],   *  [[5,6],   =   [[19,22],
     [3,4]]       [7,8]]        [43,50]]
  */

  // Build 1st Matrix.
  int64_t dims[] = {2, 2};  // Matrices will be 2 x 2
  int num_dims = sizeof(dims) / sizeof(dims[0]);

  float vals1[] = {1.0f, 2.0f, 3.0f, 4.0f};

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

TEXT errors(SB),$0
	CSRRC	(X10), CYCLE, X5		// ERROR "integer register or immediate expected for 1st operand"
	CSRRC	X0, TU, X5			// ERROR "unknown CSR"
	CSRRC	X0, CYCLE			// ERROR "missing CSR name"
	CSRRC	X0, CYCLE, (X10)		// ERROR "needs an integer register output"
	CSRRC	$-1, TIME, X15			// ERROR "immediate out of range 0 to 31"

				prog.To = a[2]
			case arch.IsARM64CASP(op):
				prog.From = a[0]
				prog.To = a[1]
				// both 1st operand and 3rd operand are (Rs, Rs+1) register pair.
				// And the register pair must be contiguous.
				if (a[0].Type != obj.TYPE_REGREG) || (a[2].Type != obj.TYPE_REGREG) {
					p.errorf("invalid addressing modes for 1st or 3rd operand to %s instruction, must be register pair", op)
					return
				}

  // exceptions
  private interface IntegerStringFunction
      extends IntegerSupplier, Predicate<List<String>>, StringListPredicate {}

  public void testGenericInterface() {
    // test the 1st generic interface on the class
    Type fType = Supplier.class.getTypeParameters()[0];
    assertEquals(
        Integer.class, TypeToken.of(IntegerStringFunction.class).resolveType(fType).getRawType());

  // exceptions
  private interface IntegerStringFunction
      extends IntegerSupplier, Predicate<List<String>>, StringListPredicate {}

  public void testGenericInterface() {
    // test the 1st generic interface on the class
    Type fType = Supplier.class.getTypeParameters()[0];
    assertEquals(
        Integer.class, TypeToken.of(IntegerStringFunction.class).resolveType(fType).getRawType());

   *     instance of {@link Quantiles}.
   */
  @Deprecated
  public Quantiles() {}

  /** Specifies the computation of a median (i.e. the 1st 2-quantile). */
  public static ScaleAndIndex median() {
    return scale(2).index(1);
  }

  /** Specifies the computation of quartiles (i.e. 4-quantiles). */
  public static Scale quartiles() {

      for (TwoArg.Action second : TwoArg.Action.values()) {
        TwoArg bar = new TwoArg(first, second);
        if (first.equals(TwoArg.Action.THROW_A_NPE)) {
          verifyBarPass(method, bar); // only pass if 1st param throws NPE
        } else {
          verifyBarFail(method, bar);
        }
      }
    }
  }

  public void testTwoArgNullableNormal() throws Exception {

			// Delete the missing part files. e.g,
			// Request 1: NewMultipart
			// Request 2: PutObjectPart 1
			// Request 3: PutObjectPart 2
			// Request 4: CompleteMultipartUpload --part 2
			// N.B. 1st part is not present. This part should be removed from the storage.
			paths = append(paths, pathJoin(uploadIDPath, currentFI.DataDir, fmt.Sprintf("part.%d", curpart.Number)))
		}
	}

	if !opts.NoLock {