Line data    Source code

       1             : //----------------------------------------------------------------------------
       2             : // LAGraph/src/test/test_HelloWorld.c: test cases for LAGraph_HelloWorld
       3             : //----------------------------------------------------------------------------
       4             : 
       5             : // LAGraph, (c) 2019-2022 by The LAGraph Contributors, All Rights Reserved.
       6             : // SPDX-License-Identifier: BSD-2-Clause
       7             : //
       8             : // For additional details (including references to third party source code and
       9             : // other files) see the LICENSE file or contact permission@sei.cmu.edu. See
      10             : // Contributors.txt for a full list of contributors. Created, in part, with
      11             : // funding and support from the U.S. Government (see Acknowledgments.txt file).
      12             : // DM22-0790
      13             : 
      14             : //-----------------------------------------------------------------------------
      15             : 
      16             : // This is a very simple "hello world" example of a test program for an
      17             : // algorithm in the experimental/algorithm folder.
      18             : 
      19             : #include <stdio.h>
      20             : #include <acutest.h>
      21             : #include <LAGraphX.h>
      22             : #include <LAGraph_test.h>
      23             : #include <LG_Xtest.h>
      24             : #include <LG_test.h>
      25             : 
      26             : char msg [LAGRAPH_MSG_LEN] ;
      27             : LAGraph_Graph G = NULL ;
      28             : 
      29             : #define LEN 512
      30             : char filename [LEN+1] ;
      31             : 
      32           1 : void test_HelloWorld (void)
      33             : {
      34             : 
      35             :     //--------------------------------------------------------------------------
      36             :     // start LAGraph
      37             :     //--------------------------------------------------------------------------
      38             : 
      39           1 :     LAGraph_Init (msg) ;
      40           1 :     GrB_Matrix Y = NULL, A = NULL ;
      41             : 
      42             :     //--------------------------------------------------------------------------
      43             :     // test with the west0067 matrix
      44             :     //--------------------------------------------------------------------------
      45             : 
      46             :     // create the graph
      47           1 :     snprintf (filename, LEN, LG_DATA_DIR "%s", "west0067.mtx") ;
      48           1 :     FILE *f = fopen (filename, "r") ;
      49           1 :     TEST_CHECK (f != NULL) ;
      50           1 :     OK (LAGraph_MMRead (&A, f, msg)) ;
      51           1 :     OK (fclose (f)) ;
      52           1 :     OK (LAGraph_New (&G, &A, LAGraph_ADJACENCY_DIRECTED, msg)) ;
      53           1 :     TEST_CHECK (A == NULL) ;    // A has been moved into G->A
      54             : 
      55             :     // test the algorithm
      56           1 :     OK (LAGraph_HelloWorld (&Y, G, msg)) ;
      57             : 
      58             :     // print the result
      59           1 :     printf ("\nOutput of LAGraph_HelloWorld:\n") ;
      60           1 :     OK (LAGraph_Matrix_Print (Y, LAGraph_COMPLETE, stdout, msg)) ;
      61             : 
      62             :     // check the result (ensure Y is equal to G->A)
      63             :     bool ok ;
      64           1 :     OK (LAGraph_Matrix_IsEqual (&ok, Y, G->A, msg)) ;
      65           1 :     TEST_CHECK (ok) ;
      66             : 
      67             :     //--------------------------------------------------------------------------
      68             :     // free everything and finalize LAGraph
      69             :     //--------------------------------------------------------------------------
      70             : 
      71           1 :     OK (GrB_free (&Y)) ;
      72           1 :     OK (LAGraph_Delete (&G, msg)) ;
      73             : 
      74           1 :     LAGraph_Finalize (msg) ;
      75           1 : }
      76             : 
      77             : //----------------------------------------------------------------------------
      78             : // the make program is created by acutest, and it runs a list of tests:
      79             : //----------------------------------------------------------------------------
      80             : 
      81             : TEST_LIST =
      82             : {
      83             :     {"HelloWorld", test_HelloWorld},    // just one test in this example
      84             :     {NULL, NULL}
      85             : } ;