/* $XConsortium: delrange1.pi,v 5.2 94/04/17 20:46:53 rws Exp $ */

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## delrange1.pi - test DELETE ELEMENT RANGE with empty structure,
## deleting the only element in a structure,
## and in the middle of a loaded structure with ptr1 {<,>,==} ptr2

tbegintest("delrange1", "DELETE ELEMENT RANGE w/ ptr1 <,>,= ptr2");

source macro.pi		/* general macros */
source strmacro.pi	/* macros specific to structure content area */
source apimacro.pi	/* macros isolating api-specific functions */

/*
 * im_confirm_struct macro confirms that the specific structure used
 * in this test is intact
 */
macro im_confirm_struct()
    foreach @ind @elem (1; PELEM_LINETYPE;
			2; PELEM_LABEL;
			3; PELEM_MARKER_TYPE;
			4; PELEM_TEXT_IND;
			5; PELEM_EDGE_IND; )
	im_confirm_elemtype(1, @ind, @elem,
		"failed: element @ind was %d, expected @elem\n");
    end
endmacro

# Set up phigs, workstation, and structure
i_open_phigs(NULL,PDEF_MEM_SIZE);
i_open_ws(1);
popen_struct(1);
ppost_struct(1,1,1.0);

# DELETE ELEMENT RANGE with empty structure
pdel_elem_range(0,99);

# add one element, delete it with DELETE ELEMENT RANGE
plabel(1);
pdel_elem_range(0,99);
im_confirm_elemptr(0, "failed: elem ptr %d expected 0 after deleting only elt.\n");

# Add some elements to the structure, confirm results
# (struct should become: (LINETYPE, LABEL, MARKERTYPE,TEXT_INDEX,EDGE_INDEX))
pset_linetype(1);
plabel(2);
pset_marker_type(3);
pset_text_ind(4);
pset_edge_ind(5);
im_confirm_struct();

# DELETE ELEMENT RANGE with ptr1 < ptr2
# (struct should become: (LINETYPE, EDGE_INDEX))
pdel_elem_range(2,4);
im_confirm_elemptr(1, "failed: elem ptr %d should be 1 after deleting 2-4\n");
im_confirm_elemtype(1, 2, PELEM_EDGE_IND,
	"failed: element 2 should be EDGE_INDEX, not %d\n");

# re-create original structure
pset_elem_ptr(1);
plabel(2);
pset_marker_type(3);
pset_text_ind(4);
im_confirm_struct();

# DELETE ELEMENT RANGE with ptr1 > ptr2
# (struct should become: (LINETYPE, LABEL,EDGE_INDEX))
pdel_elem_range(4,3);
im_confirm_elemptr(2, "failed: elem ptr %d should be 2 after pdel_elem_range(4-3)\n");
im_confirm_elemtype(1, 2, PELEM_LABEL,
	"failed: element 2 should be LABEL, not %d, after pdel_elem_range\n");
im_confirm_elemtype(1, 3, PELEM_EDGE_IND,
	"failed: element 3 should be EDGE_INDEX, not %d after pdel_elem_range\n");

# DELETE ELEMENT RANGE with ptr1 == ptr2
# struct should become: (LINETYPE, EDGE_INDEX)
pdel_elem_range(2,2);
im_confirm_elemptr(1, "failed: elem ptr %d should be 1 after pdel_elem_range(2,2)\n");
im_confirm_elemtype(1, 1, PELEM_LINETYPE,
	"failed: repeated pdel_elem_range changed elem 1 from LINETYPE to %d\n");
im_confirm_elemtype(1, 2, PELEM_EDGE_IND,
	"failed: element 2 should be EDGE_INDEX, not %d\n");

pclose_struct();
pclose_ws(1);
pclose_phigs();
tendtest();