linux-master/lib/overflow_kunit.c

10 #include <kunit/test.h>
22 		kunit_skip(test, reason);			\
260 	KUNIT_EXPECT_EQ_MSG(test, _of, of,				\
263 	KUNIT_EXPECT_EQ_MSG(test, _r, r,				\
268 	KUNIT_EXPECT_EQ_MSG(test, _a_orig, _a_bump,			\
270 	KUNIT_EXPECT_EQ_MSG(test, _b_orig, _b_bump,			\
274 	KUNIT_EXPECT_TRUE_MSG(test, _r == r,				\
281 	KUNIT_EXPECT_EQ_MSG(test, _a_orig, _a_bump,			\
283 	KUNIT_EXPECT_EQ_MSG(test, _b_orig, _b_bump,			\
311 	KUNIT_EXPECT_TRUE_MSG(test, _r == _a_sym,			\
314 	KUNIT_EXPECT_TRUE_MSG(test, _a == _a_sym,			\
320 	KUNIT_EXPECT_EQ_MSG(test, global_counter, 1,			\
322 	KUNIT_EXPECT_EQ_MSG(test, _b_orig, _b_bump,			\
327 static void do_test_ ## n(struct kunit *test, const struct test_ ## n *p) \
341 static void n ## _overflow_test(struct kunit *test) {			\
351 		do_test_ ## n(test, &n ## _tests[i]);			\
352 	kunit_info(test, "%zu %s arithmetic tests finished\n",		\
403 		KUNIT_EXPECT_EQ_MSG(test, __of, of,			\
407 		KUNIT_EXPECT_EQ_MSG(test, __d, __e,			\
411 			kunit_info(test, "got %lld\n", (s64)__d);	\
413 			kunit_info(test, "got %llu\n", (u64)__d);	\
418 static void shift_sane_test(struct kunit *test)
464 	kunit_info(test, "%d sane shift tests finished\n", count);
467 static void shift_overflow_test(struct kunit *test)
518 	kunit_info(test, "%d overflow shift tests finished\n", count);
521 static void shift_truncate_test(struct kunit *test)
556 	kunit_info(test, "%d truncate shift tests finished\n", count);
559 static void shift_nonsense_test(struct kunit *test)
593 	 * signed bit). So, for now, we will test this condition but
602 	kunit_info(test, "%d nonsense shift tests finished\n", count);
623 static void test_ ## func (struct kunit *test, void *arg)		\
629 	/* Tiny allocation test. */					\
631 	KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr,			\
635 	/* Wrapped allocation test. */					\
638 	KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr,			\
642 	/* Saturated allocation test. */				\
646 		KUNIT_FAIL(test, #func " missed saturation!\n");	\
669 static void overflow_allocation_test(struct kunit *test)
671 	const char device_name[] = "overflow-test";
677 	test_ ## alloc(test, dev);			\
681 	dev = kunit_device_register(test, device_name);
682 	KUNIT_ASSERT_FALSE_MSG(test, IS_ERR(dev),
683 			       "Cannot register test device\n");
697 	kunit_info(test, "%d allocation overflow tests finished\n", count);
707 static void overflow_size_helpers_test(struct kunit *test)
719 	KUNIT_EXPECT_EQ(test, sizeof(ce_array), struct_size(obj, data, var));
723 	KUNIT_EXPECT_EQ_MSG(test, _r, expected,			\
793 	kunit_info(test, "%d overflow size helper tests finished\n", count);
797 static void overflows_type_test(struct kunit *test)
804 	KUNIT_EXPECT_EQ_MSG(test, __of, of,				\
1004 	kunit_info(test, "%d overflows_type() tests finished\n", count);
1009 static void same_type_test(struct kunit *test)
1019 	KUNIT_EXPECT_EQ(test, true, __same_type(t1, __t1h));	\
1020 	KUNIT_EXPECT_EQ(test, true, __same_type(t1, __t1l));	\
1021 	KUNIT_EXPECT_EQ(test, true, __same_type(__t1h, t1));	\
1022 	KUNIT_EXPECT_EQ(test, true, __same_type(__t1l, t1));	\
1023 	KUNIT_EXPECT_EQ(test, true, __same_type(t2, __t2h));	\
1024 	KUNIT_EXPECT_EQ(test, true, __same_type(t2, __t2l));	\
1025 	KUNIT_EXPECT_EQ(test, true, __same_type(__t2h, t2));	\
1026 	KUNIT_EXPECT_EQ(test, true, __same_type(__t2l, t2));	\
1027 	KUNIT_EXPECT_EQ(test, same, __same_type(t1, t2));	\
1028 	KUNIT_EXPECT_EQ(test, same, __same_type(t2, __t1h));	\
1029 	KUNIT_EXPECT_EQ(test, same, __same_type(t2, __t1l));	\
1030 	KUNIT_EXPECT_EQ(test, same, __same_type(__t1h, t2));	\
1031 	KUNIT_EXPECT_EQ(test, same, __same_type(__t1l, t2));	\
1032 	KUNIT_EXPECT_EQ(test, same, __same_type(t1, __t2h));	\
1033 	KUNIT_EXPECT_EQ(test, same, __same_type(t1, __t2l));	\
1034 	KUNIT_EXPECT_EQ(test, same, __same_type(__t2h, t1));	\
1035 	KUNIT_EXPECT_EQ(test, same, __same_type(__t2l, t1));	\
1069 	KUNIT_EXPECT_EQ(test, var, 4);
1070 	KUNIT_EXPECT_TRUE(test, __same_type(var++, int));
1071 	KUNIT_EXPECT_EQ(test, var, 4);
1072 	KUNIT_EXPECT_TRUE(test, __same_type(int, var++));
1073 	KUNIT_EXPECT_EQ(test, var, 4);
1074 	KUNIT_EXPECT_TRUE(test, __same_type(var++, var++));
1075 	KUNIT_EXPECT_EQ(test, var, 4);
1077 	kunit_info(test, "%d __same_type() tests finished\n", count);
1084 static void castable_to_type_test(struct kunit *test)
1090 	KUNIT_EXPECT_EQ_MSG(test, __pass, pass,			\
1168 	kunit_info(test, "%d castable_to_type() tests finished\n", count);
1181 static void DEFINE_FLEX_test(struct kunit *test)
1187 	KUNIT_EXPECT_EQ(test, __struct_size(two),
1189 	KUNIT_EXPECT_EQ(test, __struct_size(eight), 24);
1190 	KUNIT_EXPECT_EQ(test, __struct_size(empty), sizeof(struct foo));