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Add test for swap (#1221)

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Roland Reichwein 2025-11-12 19:05:20 +01:00 committed by GitHub
parent 43d3f0e89c
commit 2f535d385f
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test/test_utility.cpp
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@ -788,6 +788,43 @@ namespace
CHECK_EQUAL(9U, sizeof(packed));
}
#endif
//*********************************
TEST(test_swap)
{
uint32_t a = 0x12345678;
uint32_t b = 0x87654321;
ETL_OR_STD::swap(a, b);
CHECK_EQUAL(a, 0x87654321);
CHECK_EQUAL(b, 0x12345678);
uint32_t* p_a = &a;
uint32_t* p_b = &b;
ETL_OR_STD::swap(p_a, p_b);
CHECK_EQUAL(a, 0x87654321);
CHECK_EQUAL(b, 0x12345678);
CHECK_EQUAL(p_a, &b);
CHECK_EQUAL(p_b, &a);
uint32_t a_a[4] {0x12345678, 0x23456789, 0x34567890, 0x09876543};
uint32_t a_b[4] {0x12abcd78, 0x23abcd89, 0x34abcd90, 0x09abcd43};
ETL_OR_STD::swap(a_a, a_b);
CHECK_EQUAL(a_a[0], 0x12abcd78);
CHECK_EQUAL(a_a[1], 0x23abcd89);
CHECK_EQUAL(a_a[2], 0x34abcd90);
CHECK_EQUAL(a_a[3], 0x09abcd43);
CHECK_EQUAL(a_b[0], 0x12345678);
CHECK_EQUAL(a_b[1], 0x23456789);
CHECK_EQUAL(a_b[2], 0x34567890);
CHECK_EQUAL(a_b[3], 0x09876543);
}
};
#if ETL_USING_CPP17 && !defined(ETL_FORCE_CPP11_NONTYPE)