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Commit 2eacc79c authored by Rehas Sachdeva's avatar Rehas Sachdeva Committed by Matthew Wilcox
Browse files

radix tree test suite: Add test for idr_get_next() 



Assert that idr_get_next() returns the next populated entry in the tree with
an ID greater than or equal to the value pointed to by @nextid argument.

Signed-off-by: default avatarRehas Sachdeva <aquannie@gmail.com>
Signed-off-by: default avatarMatthew Wilcox <mawilcox@microsoft.com>
parent 2d6be4ab

tools/testing/radix-tree/idr-test.c

+25 −0
Original line number Diff line number Diff line
@@ -153,6 +153,30 @@ void idr_nowait_test(void) 
	idr_destroy(&idr);

}



void idr_get_next_test(void)

{

	unsigned long i;

	int nextid;

	DEFINE_IDR(idr);



	int indices[] = {4, 7, 9, 15, 65, 128, 1000, 99999, 0};



	for(i = 0; indices[i]; i++) {

		struct item *item = item_create(indices[i], 0);

		assert(idr_alloc(&idr, item, indices[i], indices[i+1],

				 GFP_KERNEL) == indices[i]);

	}



	for(i = 0, nextid = 0; indices[i]; i++) {

		idr_get_next(&idr, &nextid);

		assert(nextid == indices[i]);

		nextid++;

	}



	idr_for_each(&idr, item_idr_free, &idr);

	idr_destroy(&idr);

}



void idr_checks(void)

{

	unsigned long i;
@@ -202,6 +226,7 @@ void idr_checks(void) 
	idr_alloc_test();

	idr_null_test();

	idr_nowait_test();

	idr_get_next_test();

}



/*