bounds_SparseMatrix

Source: tests/sparse/bounds_SparseMatrix.cpp

// ========================================================================= //
// This file is part of MyraMath, copyright (c) 2014-2019 by Ryan A Chilton  //
// and distributed by MyraCore, LLC. See LICENSE.txt for license terms.      //
// ========================================================================= //

// Containers.
#include <myramath/sparse/SparseMatrix.h>

// Reporting.
#include <tests/myratest.h>

using namespace myra;

ADD_TEST("bounds_SparseMatrix","[sparse]")
  {
  // Make random A, access it out of bounds in a variety of ways.
  auto A = SparseMatrix<double>::random(3,3,4);
  // Scalar access using at()
  REQUIRE_EXCEPTION( auto a = A.at(3,0); );
  REQUIRE_EXCEPTION( auto a = A.at(0,3); );
  REQUIRE_EXCEPTION( auto a = A.at(-1,0); );
  REQUIRE_EXCEPTION( auto a = A.at(0,-1); );
  // Window access along i.
  REQUIRE_EXCEPTION( auto a = A.rows(0,4); );
  REQUIRE_EXCEPTION( auto a = A.rows(4,7); );
  REQUIRE_EXCEPTION( auto a = A.rows(-1,1); );
  REQUIRE_EXCEPTION( auto a = A.rows(2,-1); );
  REQUIRE_EXCEPTION( auto a = A.rows(2,1); );
  // Window access along j.
  REQUIRE_EXCEPTION( auto a = A.columns(0,4); );
  REQUIRE_EXCEPTION( auto a = A.columns(4,7); );
  REQUIRE_EXCEPTION( auto a = A.columns(-1,1); );
  REQUIRE_EXCEPTION( auto a = A.columns(2,-1); );
  REQUIRE_EXCEPTION( auto a = A.columns(2,1); );
  // Checking at(), where the (i,j) is in bounds but maps to a structural zero.
  auto I = SparseMatrix<double>::identity(3);
  REQUIRE_EXCEPTION( auto i = I.at(0,1); );
  // Checking A.iterator == B.iterator
  auto B = A;
  REQUIRE_EXCEPTION( bool flag = A.begin() == B.begin(); );
  }

Results: [PASS]

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