Function test_RGMatrix_simple_set

tests/unit/test_rg_matrix.c:227–308

setting an empty entry M[i,j] = 1

// setting an empty entry
// M[i,j] = 1
void test_RGMatrix_simple_set() {
	GrB_Type    t                   =  GrB_UINT64;
	RG_Matrix   A                   =  NULL;
	GrB_Matrix  M                   =  NULL;
	GrB_Matrix  DP                  =  NULL;
	GrB_Matrix  DM                  =  NULL;
	GrB_Info    info                =  GrB_SUCCESS;
	GrB_Index   nvals               =  0;
	GrB_Index   nrows               =  100;
	GrB_Index   ncols               =  100;
	GrB_Index   i                   =  0;
	GrB_Index   j                   =  1;
	uint64_t    x                   =  1;

	info = RG_Matrix_new(&A, t, nrows, ncols);
	TEST_ASSERT(info == GrB_SUCCESS);

	//--------------------------------------------------------------------------
	// set element at position i,j
	//--------------------------------------------------------------------------

	info = RG_Matrix_setElement_UINT64(A, x, i, j);
	TEST_ASSERT(info == GrB_SUCCESS);

	// make sure element at position i,j exists
	info = RG_Matrix_extractElement_UINT64(&x, A, i, j);
	TEST_ASSERT(info == GrB_SUCCESS);
	TEST_ASSERT(x == 1);
	
	// matrix should contain a single element
	RG_Matrix_nvals(&nvals, A);
	TEST_ASSERT(nvals == 1);

	// matrix should be mark as dirty
	TEST_ASSERT(RG_Matrix_isDirty(A));

	// get internal matrices
	M   =  RG_MATRIX_M(A);
	DP  =  RG_MATRIX_DELTA_PLUS(A);
	DM  =  RG_MATRIX_DELTA_MINUS(A);

	//--------------------------------------------------------------------------
	// validations
	//--------------------------------------------------------------------------

	// M should be empty
	M_EMPTY();

	// DM should be empty
	DM_EMPTY();

	// DP should contain a single element
	DP_NOT_EMPTY();

	//--------------------------------------------------------------------------
	// set already existing entry
	//--------------------------------------------------------------------------