diff options
| author | Rob Herring <robh@kernel.org> | 2023-08-01 11:46:29 -0600 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2023-08-23 20:04:17 -0500 |
| commit | 500d45100aa8546a000eef85bba8c2abc7b36e92 (patch) | |
| tree | d544810504dc2b25ea8a5547c69c90165251b074 /drivers/of | |
| parent | b37c60d23df71ae6c09856cab4b853aea11f0615 (diff) | |
| download | linux-500d45100aa8546a000eef85bba8c2abc7b36e92.tar.gz | |
of: unittest: Check tree matches original after reverting a changeset
Enhance the changeset unittest to ensure after a revert, the tree matches
the original tree before the changeset was applied. Specifically, check an
added node is removed, a removed property is added back, and an updated
property has its original value.
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/unittest.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 33c20edcc92c2..064a41007a504 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -797,6 +797,7 @@ static void __init of_unittest_property_copy(void) static void __init of_unittest_changeset(void) { #ifdef CONFIG_OF_DYNAMIC + int ret; struct property *ppadd, padd = { .name = "prop-add", .length = 1, .value = "" }; struct property *ppname_n1, pname_n1 = { .name = "name", .length = 3, .value = "n1" }; struct property *ppname_n2, pname_n2 = { .name = "name", .length = 3, .value = "n2" }; @@ -807,6 +808,7 @@ static void __init of_unittest_changeset(void) static const char * const str_array[] = { "str1", "str2", "str3" }; const u32 u32_array[] = { 1, 2, 3 }; struct of_changeset chgset; + const char *propstr = NULL; n1 = __of_node_dup(NULL, "n1"); unittest(n1, "testcase setup failure\n"); @@ -886,6 +888,17 @@ static void __init of_unittest_changeset(void) unittest(!of_changeset_revert(&chgset), "revert failed\n"); + unittest(!of_find_node_by_path("/testcase-data/changeset/n2/n21"), + "'%pOF' still present after revert\n", n21); + + ppremove = of_find_property(parent, "prop-remove", NULL); + unittest(ppremove, "failed to find removed prop after revert\n"); + + ret = of_property_read_string(parent, "prop-update", &propstr); + unittest(!ret, "failed to find updated prop after revert\n"); + if (!ret) + unittest(strcmp(propstr, "hello") == 0, "original value not in updated property after revert"); + of_changeset_destroy(&chgset); of_node_put(n1); |