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| author | Rehas Sachdeva <aquannie@gmail.com> | 2017-02-18 07:31:00 -0500 |
|---|---|---|
| committer | Matthew Wilcox <mawilcox@microsoft.com> | 2017-03-07 13:18:18 -0500 |
| commit | 2eacc79c27eb683c4a3ded80c2629387ee0d4e04 (patch) | |
| tree | 2605f9bed831cf303f256663a696423252005cc6 | |
| parent | 2d6be4abf514fc26c83d239c7f31da1f95e4a31d (diff) | |
| download | linux-2eacc79c27eb683c4a3ded80c2629387ee0d4e04.tar.bz2 | |
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: Rehas Sachdeva <aquannie@gmail.com>
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
| -rw-r--r-- | tools/testing/radix-tree/idr-test.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c index a26098c6123d..f20690ac3a97 100644 --- a/tools/testing/radix-tree/idr-test.c +++ b/tools/testing/radix-tree/idr-test.c @@ -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(); } /* |