Add testing for of_property_read_string_array_index() function which allows to retrieve a string array starting at a specified offset. These tests are testing some basic use-case for this function. Signed-off-by: Clément Léger <clement.leger@xxxxxxxxxxx> --- drivers/of/unittest.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 2c2fb161b572..d39ec2f5d2c5 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -759,6 +759,26 @@ static void __init of_unittest_property_string(void) strings[1] = NULL; rc = of_property_read_string_array(np, "phandle-list-names", strings, 1); unittest(rc == 1 && strings[1] == NULL, "Overwrote end of string array; rc=%i, str='%s'\n", rc, strings[1]); + + /* of_property_read_string_array_index() tests */ + rc = of_property_read_string_array_index(np, "string-property", strings, 4, 0); + unittest(rc == 1, "Incorrect string count; rc=%i\n", rc); + rc = of_property_read_string_array_index(np, "string-property", strings, 4, 1); + unittest(rc == -ENODATA, "Incorrect return value; rc=%i\n", rc); + rc = of_property_read_string_array_index(np, "phandle-list-names", strings, 2, 0); + unittest(rc == 2 && !strcmp(strings[0], "first") && !strcmp(strings[1], "second"), + "of_property_read_string_array_index() failure; rc=%i\n", rc); + rc = of_property_read_string_array_index(np, "phandle-list-names", strings, 2, 1); + unittest(rc == 2 && !strcmp(strings[0], "second") && !strcmp(strings[1], "third"), + "of_property_read_string_array_index() failure; rc=%i\n", rc); + rc = of_property_read_string_array_index(np, "phandle-list-names", strings, 4, 1); + unittest(rc == 2 && !strcmp(strings[0], "second") && !strcmp(strings[1], "third"), + "of_property_read_string_array_index() failure; rc=%i\n", rc); + rc = of_property_read_string_array_index(np, "phandle-list-names", strings, 1, 2); + unittest(rc == 1 && !strcmp(strings[0], "third"), + "of_property_read_string_array_index() failure; rc=%i\n", rc); + rc = of_property_read_string_array_index(np, "phandle-list-names", strings, 1, 3); + unittest(rc == -ENODATA, "Incorrect return value; rc=%i\n", rc); } #define propcmp(p1, p2) (((p1)->length == (p2)->length) && \ -- 2.34.1
