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Small style changes to etl::span take()

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This commit is contained in:
John Wellbelove 2025-05-07 07:26:26 +01:00
parent 1d19ac22cd
commit 524ebf9b9f
2 changed files with 12 additions and 9 deletions
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2
include/etl/span.h
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@ -948,6 +948,7 @@ namespace etl
etl::span<TRet> result = reinterpret_as<TRet>().first(n);
advance(sizeof(TRet) / sizeof(element_type) * n);
return result;
}
@ -966,6 +967,7 @@ namespace etl
TRet& result = *reinterpret_cast<TRet*>(data());
advance(sizeof(TRet) / sizeof(element_type));
return result;
}

19
test/test_span_dynamic_extent.cpp
View File

@ -1380,7 +1380,7 @@ namespace
}
//*************************************************************************
TEST(test_take_span)
TEST(test_take_span_take_uint8_tuint32_t_then_no_data_then_excess_data)
{
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
etl::span<uint8_t> data0 = src;
@ -1406,10 +1406,10 @@ namespace
}
//*************************************************************************
TEST(test_take_span_2)
TEST(test_take_span_take_be_uint32_t_twice_then_uint8_t)
{
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a };
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
etl::span<uint8_t> data0 = src;
etl::span<etl::be_uint32_t> data1 = data0.take<etl::be_uint32_t>(2);
@ -1424,12 +1424,13 @@ namespace
CHECK_EQUAL(data0.size(), 1);
CHECK_EQUAL(data2.size(), 1);
CHECK_EQUAL(data2[0], 0x09);
CHECK_EQUAL(data0[0], 0x0A);
}
//*************************************************************************
TEST(test_take_span_const)
{
const uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a };
const uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
etl::span<const uint8_t> data0 = src;
etl::span<const etl::be_uint32_t> data1 = data0.take<const etl::be_uint32_t>(2);
@ -1452,9 +1453,9 @@ namespace
}
//*************************************************************************
TEST(test_take_value)
TEST(test_take_single_value)
{
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a };
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
etl::span<uint8_t> data0 = src;
uint8_t& data1 = data0.take<uint8_t>();
@ -1471,7 +1472,7 @@ namespace
uint8_t& data4 = data0.take<uint8_t>();
CHECK_EQUAL(data0.size(), 0);
CHECK_EQUAL(data4, 0x0a);
CHECK_EQUAL(data4, 0x0A);
CHECK_THROW({uint8_t& data5 = data0.take<uint8_t>(); (void) data5;}, etl::span_size_mismatch);
}
@ -1479,7 +1480,7 @@ namespace
//*************************************************************************
TEST(test_take_value_const)
{
const uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a };
const uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
etl::span<const uint8_t> data0 = src;
const uint8_t& data1 = data0.take<const uint8_t>();
@ -1496,7 +1497,7 @@ namespace
const uint8_t& data4 = data0.take<const uint8_t>();
CHECK_EQUAL(data0.size(), 0);
CHECK_EQUAL(data4, 0x0a);
CHECK_EQUAL(data4, 0x0A);
CHECK_THROW({const uint8_t& data5 = data0.take<const uint8_t>(); (void) data5;}, etl::span_size_mismatch);
}