Ichthyostega
b4e0f6bf40
now each and every source file should be marked with a @file doxygen comment
356 lines
9.5 KiB
C
356 lines
9.5 KiB
C
/*
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TEST-SLIST - test the linked list lib
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Copyright (C) Lumiera.org
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2009, Anton Yakovlev <just.yakovlev@gmail.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file test-slist.c
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** C unit test to cover a single linked list library implementation
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*/
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#include "lib/slist.h"
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#include "lib/test/test.h"
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#include <sys/time.h>
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#include <nobug.h>
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typedef struct item {
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int key;
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slist list;
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} item_t;
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int cmp( const_SList a, const_SList b ) {
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item_t* x = SLIST_TO_STRUCTP( a, item_t, list );
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item_t* y = SLIST_TO_STRUCTP( b, item_t, list );
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if ( x -> key < y -> key ) {
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return -1;
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}
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if ( x -> key > y -> key ) {
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return +1;
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}
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return 0;
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}
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TESTS_BEGIN
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/*
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* 1. Basic:
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* SLIST_AUTO( name )
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* void slist_init( SList list )
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* int slist_is_empty( const_SList list )
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* int slist_is_single( const_SList list )
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* int slist_is_head( const_SList list, const_SList head )
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* int slist_is_end( const_SList list, const_SList end )
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* int slist_is_member( const_SList list, const_SList member )
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* int slist_is_before_after( const_SList list, const_SList before, const_SList after )
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*/
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TEST (basic) {
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SLIST_AUTO( listX );
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slist listY;
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SLIST_AUTO( nodeA );
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SLIST_AUTO( nodeB );
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ECHO ("%d", slist_is_end( &listX, &listX ) );
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slist_init( &listY );
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ECHO ("%d", slist_is_empty( &listY ) );
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slist_insert( &listX, &nodeA );
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ECHO ("%d", slist_is_empty( &listX ) );
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ECHO ("%d", slist_is_single( &listX ) );
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ECHO ("%d", slist_is_head( &listX, &nodeA ) );
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ECHO ("%d", slist_is_end( &listX, &nodeA ) );
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ECHO ("%d", slist_is_member( &listX, &nodeA ) );
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ECHO ("%d", slist_is_member( &listX, &nodeB ) );
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slist_insert( &nodeA, &nodeB );
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ECHO ("%d", slist_is_empty( &listX ) );
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ECHO ("%d", slist_is_single( &listX ) );
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ECHO ("%d", slist_is_head( &listX, &nodeB ) );
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ECHO ("%d", slist_is_end( &listX, &nodeB ) );
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ECHO ("%d", slist_is_member( &listX, &nodeB ) );
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ECHO ("%d", slist_is_before_after( &listX, &nodeA, &nodeB ) );
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ECHO ("%d", slist_is_before_after( &listX, &nodeB, &nodeA ) );
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}
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/*
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* 2. Insert/delete:
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* slist_insert_head( list, element )
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* SList slist_insert( SList head, SList node )
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* SList slist_insert_list( SList xnode, SList ylist )
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* SList slist_insert_range( SList node, SList start, SList end )
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* SList slist_unlink( SList list, SList node )
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*/
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TEST (insert_delete) {
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SLIST_AUTO( listX );
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SLIST_AUTO( nodeA );
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SLIST_AUTO( nodeB );
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SLIST_AUTO( nodeC );
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slist_insert_head( &listX, &nodeA );
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slist_insert( &nodeA, &nodeB );
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slist_insert( &nodeB, &nodeC );
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ECHO ("%d", slist_next( &listX ) == &nodeA );
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ECHO ("%d", slist_next( &nodeA ) == &nodeB );
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ECHO ("%d", slist_next( &nodeB ) == &nodeC );
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ECHO ("%d", slist_next( &nodeC ) == &listX );
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slist_unlink( &listX, &nodeA );
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ECHO ("%d", slist_next( &listX ) == &nodeB );
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slist_insert( &listX, &nodeA );
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ECHO ("%d", slist_next( &listX ) == &nodeA );
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SLIST_AUTO( listY );
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slist_insert_list( &listY, &listX );
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ECHO ("%d", slist_is_empty( &listX ) );
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ECHO ("%d", slist_next( &listY ) == &nodeA );
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ECHO ("%d", slist_next( &nodeA ) == &nodeB );
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ECHO ("%d", slist_next( &nodeB ) == &nodeC );
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ECHO ("%d", slist_next( &nodeC ) == &listY );
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slist_insert_range( &listX, &nodeA, &nodeB );
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ECHO ("%d", slist_next( &listX ) == &nodeA );
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ECHO ("%d", slist_next( &nodeA ) == &nodeB );
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ECHO ("%d", slist_next( &nodeB ) == &listX );
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ECHO ("%d", slist_is_single( &listY ) );
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ECHO ("%d", slist_next( &listY ) == &nodeC );
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ECHO ("%d", slist_next( &nodeC ) == &listY );
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}
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/*
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* 3. Movements:
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* slist_head()
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* SList slist_next( const_SList node )
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* SList slist_prev( SList list, SList node )
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* SList slist_advance( SList list, SList node )
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* void slist_forward( SList_ref node )
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*/
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TEST (movement) {
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SLIST_AUTO( listX );
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SLIST_AUTO( nodeA );
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SLIST_AUTO( nodeB );
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SLIST_AUTO( nodeC );
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slist_insert_head( &listX, &nodeA );
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slist_insert( &nodeA, &nodeB );
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slist_insert( &nodeB, &nodeC );
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ECHO ("%d", slist_next( &listX ) == &nodeA );
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ECHO ("%d", slist_next( &nodeA ) == &nodeB );
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ECHO ("%d", slist_next( &nodeB ) == &nodeC );
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ECHO ("%d", slist_next( &nodeC ) == &listX );
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ECHO ("%d", slist_prev( &listX, &listX ) == &nodeC );
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ECHO ("%d", slist_prev( &listX, &nodeC ) == &nodeB );
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ECHO ("%d", slist_prev( &listX, &nodeB ) == &nodeA );
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ECHO ("%d", slist_prev( &listX, &nodeA ) == &listX );
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slist_advance( &listX, &nodeA );
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ECHO ("%d", slist_next( &listX ) == &nodeB );
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ECHO ("%d", slist_next( &nodeB ) == &nodeA );
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ECHO ("%d", slist_next( &nodeA ) == &nodeC );
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ECHO ("%d", slist_next( &nodeC ) == &listX );
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SList node = &listX;
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slist_forward( &node );
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ECHO ("%d", node == &nodeB );
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}
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/*
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* 4. Enumerations:
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* SLIST_TO_STRUCTP( list, type, member )
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* SLIST_FOREACH( list, node )
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* SLIST_FORRANGE( start, end, node )
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* SLIST_WHILE_HEAD( list, head )
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*/
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TEST (enumerations) {
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SLIST_AUTO( list );
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item_t nodeA = { 'A', { NULL } };
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item_t nodeB = { 'B', { NULL } };
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item_t nodeC = { 'C', { NULL } };
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item_t nodeD = { 'D', { NULL } };
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slist_init( &nodeA.list );
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slist_init( &nodeB.list );
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slist_init( &nodeC.list );
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slist_init( &nodeD.list );
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slist_insert( &list, &nodeA.list );
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slist_insert( &nodeA.list, &nodeB.list );
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slist_insert( &nodeB.list, &nodeC.list );
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slist_insert( &nodeC.list, &nodeD.list );
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SLIST_FOREACH ( &list, node ) {
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item_t* item = ( item_t* ) SLIST_TO_STRUCTP( node, item_t, list );
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ECHO ("%c", item -> key );
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}
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ECHO ("," );
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ECHO ("---" );
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SLIST_FORRANGE ( &nodeB.list, &nodeD.list, node ) {
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item_t* item = ( item_t* ) SLIST_TO_STRUCTP( node, item_t, list );
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ECHO ("%c", item -> key );
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}
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ECHO ("," );
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ECHO ("---" );
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SLIST_WHILE_HEAD ( &list, head ) {
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item_t* item = ( item_t* ) SLIST_TO_STRUCTP( head, item_t, list );
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ECHO ("%c ", item -> key );
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slist_unlink( &list, head );
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}
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ECHO ("," );
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ECHO ("%d", slist_is_empty( &list ) );
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}
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/*
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* 5. Counting:
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* unsigned slist_count( const_SList list )
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* SList slist_get_nth( SList list, int n )
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* SList slist_get_nth_stop( SList list, int n, const_SList stop )
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*/
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TEST (count) {
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SLIST_AUTO( list );
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SLIST_AUTO( nodeA );
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SLIST_AUTO( nodeB );
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SLIST_AUTO( nodeC );
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slist_insert( &list, &nodeA );
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slist_insert( &nodeA, &nodeB );
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slist_insert( &nodeB, &nodeC );
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ECHO ("%u", slist_count( &list ) );
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ECHO ("%d", slist_get_nth( &list, 3 ) == &nodeC );
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ECHO ("%d", slist_get_nth_stop( &list, 3, &nodeC ) == NULL );
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}
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/*
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* 6. Sort:
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* SList slist_sort( SList list, slist_cmpfn cmp )
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*/
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TEST (sort) {
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srand( time( NULL ) );
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SLIST_AUTO( list );
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unsigned int n = 1000000;
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item_t* items;
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if ( ( items = ( item_t* ) malloc( sizeof( item_t ) * n ) ) == NULL ) {
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return 1; // ERROR: not enough memory
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}
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for ( unsigned int i = 0; i < n; i++ ) {
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items[ i ].key = rand();
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slist_init( &items[ i ].list );
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slist_insert( &list, &items[ i ].list );
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}
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slist_sort( &list, cmp );
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int is_first_cmp = 1;
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int prev_key = 0;
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SLIST_FOREACH ( &list, x ) {
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item_t* item = SLIST_TO_STRUCTP( x, item_t, list );
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if ( is_first_cmp ) {
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is_first_cmp = 0;
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} else if ( prev_key > item -> key ) {
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return 2; // ERROR: wrong order of elements
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}
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prev_key = item -> key;
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}
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free( items );
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return 0;
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}
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/*
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* 7. Search:
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* SList slist_find( const_SList list, const_SList pattern, slist_cmpfn cmp )
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* SList slist_ufind( SList list, const_SList pattern, slist_cmpfn cmp )
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* SList slist_sfind( const_SList list, const_SList pattern, slist_cmpfn cmp )
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*/
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TEST (search) {
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SLIST_AUTO( list );
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item_t nodeA = { 'A', { NULL } };
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item_t nodeB = { 'B', { NULL } };
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item_t nodeC = { 'C', { NULL } };
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item_t nodeD = { 'D', { NULL } };
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item_t nodeX = { '?', { NULL } };
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slist_init( &nodeA.list );
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slist_init( &nodeB.list );
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slist_init( &nodeC.list );
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slist_init( &nodeD.list );
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slist_insert( &list, &nodeA.list );
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slist_insert( &nodeA.list, &nodeB.list );
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slist_insert( &nodeB.list, &nodeC.list );
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slist_insert( &nodeC.list, &nodeD.list );
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nodeX.key = 'C';
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ECHO ("%d", slist_find( &list, &nodeX.list, cmp ) == &nodeC.list );
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ECHO ("%d", slist_ufind( &list, &nodeX.list, cmp ) == &nodeC.list );
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ECHO ("%d", slist_next( &nodeC.list ) == &nodeA.list );
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nodeX.key = 'A';
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ECHO ("%d", slist_sfind( &list, &nodeX.list, cmp ) == NULL );
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}
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TESTS_END
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