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133 lines
3.4 KiB
133 lines
3.4 KiB
/* |
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* Test cases for lib/uuid.c module. |
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*/ |
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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#include <linux/init.h> |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/string.h> |
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#include <linux/uuid.h> |
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struct test_uuid_data { |
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const char *uuid; |
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guid_t le; |
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uuid_t be; |
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}; |
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static const struct test_uuid_data test_uuid_test_data[] = { |
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{ |
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.uuid = "c33f4995-3701-450e-9fbf-206a2e98e576", |
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.le = GUID_INIT(0xc33f4995, 0x3701, 0x450e, 0x9f, 0xbf, 0x20, 0x6a, 0x2e, 0x98, 0xe5, 0x76), |
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.be = UUID_INIT(0xc33f4995, 0x3701, 0x450e, 0x9f, 0xbf, 0x20, 0x6a, 0x2e, 0x98, 0xe5, 0x76), |
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}, |
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{ |
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.uuid = "64b4371c-77c1-48f9-8221-29f054fc023b", |
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.le = GUID_INIT(0x64b4371c, 0x77c1, 0x48f9, 0x82, 0x21, 0x29, 0xf0, 0x54, 0xfc, 0x02, 0x3b), |
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.be = UUID_INIT(0x64b4371c, 0x77c1, 0x48f9, 0x82, 0x21, 0x29, 0xf0, 0x54, 0xfc, 0x02, 0x3b), |
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}, |
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{ |
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.uuid = "0cb4ddff-a545-4401-9d06-688af53e7f84", |
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.le = GUID_INIT(0x0cb4ddff, 0xa545, 0x4401, 0x9d, 0x06, 0x68, 0x8a, 0xf5, 0x3e, 0x7f, 0x84), |
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.be = UUID_INIT(0x0cb4ddff, 0xa545, 0x4401, 0x9d, 0x06, 0x68, 0x8a, 0xf5, 0x3e, 0x7f, 0x84), |
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}, |
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}; |
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static const char * const test_uuid_wrong_data[] = { |
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"c33f4995-3701-450e-9fbf206a2e98e576 ", /* no hyphen(s) */ |
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"64b4371c-77c1-48f9-8221-29f054XX023b", /* invalid character(s) */ |
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"0cb4ddff-a545-4401-9d06-688af53e", /* not enough data */ |
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}; |
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static unsigned total_tests __initdata; |
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static unsigned failed_tests __initdata; |
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static void __init test_uuid_failed(const char *prefix, bool wrong, bool be, |
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const char *data, const char *actual) |
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{ |
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pr_err("%s test #%u %s %s data: '%s'\n", |
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prefix, |
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total_tests, |
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wrong ? "passed on wrong" : "failed on", |
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be ? "BE" : "LE", |
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data); |
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if (actual && *actual) |
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pr_err("%s test #%u actual data: '%s'\n", |
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prefix, |
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total_tests, |
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actual); |
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failed_tests++; |
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} |
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static void __init test_uuid_test(const struct test_uuid_data *data) |
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{ |
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guid_t le; |
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uuid_t be; |
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char buf[48]; |
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/* LE */ |
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total_tests++; |
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if (guid_parse(data->uuid, &le)) |
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test_uuid_failed("conversion", false, false, data->uuid, NULL); |
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total_tests++; |
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if (!guid_equal(&data->le, &le)) { |
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sprintf(buf, "%pUl", &le); |
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test_uuid_failed("cmp", false, false, data->uuid, buf); |
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} |
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/* BE */ |
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total_tests++; |
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if (uuid_parse(data->uuid, &be)) |
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test_uuid_failed("conversion", false, true, data->uuid, NULL); |
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total_tests++; |
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if (!uuid_equal(&data->be, &be)) { |
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sprintf(buf, "%pUb", &be); |
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test_uuid_failed("cmp", false, true, data->uuid, buf); |
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} |
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} |
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static void __init test_uuid_wrong(const char *data) |
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{ |
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guid_t le; |
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uuid_t be; |
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/* LE */ |
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total_tests++; |
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if (!guid_parse(data, &le)) |
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test_uuid_failed("negative", true, false, data, NULL); |
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/* BE */ |
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total_tests++; |
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if (!uuid_parse(data, &be)) |
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test_uuid_failed("negative", true, true, data, NULL); |
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} |
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static int __init test_uuid_init(void) |
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{ |
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unsigned int i; |
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for (i = 0; i < ARRAY_SIZE(test_uuid_test_data); i++) |
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test_uuid_test(&test_uuid_test_data[i]); |
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for (i = 0; i < ARRAY_SIZE(test_uuid_wrong_data); i++) |
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test_uuid_wrong(test_uuid_wrong_data[i]); |
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if (failed_tests == 0) |
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pr_info("all %u tests passed\n", total_tests); |
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else |
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pr_err("failed %u out of %u tests\n", failed_tests, total_tests); |
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return failed_tests ? -EINVAL : 0; |
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} |
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module_init(test_uuid_init); |
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static void __exit test_uuid_exit(void) |
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{ |
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/* do nothing */ |
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} |
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module_exit(test_uuid_exit); |
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MODULE_AUTHOR("Andy Shevchenko <[email protected]>"); |
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MODULE_LICENSE("Dual BSD/GPL");
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