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additional span tests (pointer length constructor) (#568)

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menete 2017-10-31 18:11:45 +01:00 committed by Neil MacIntosh
parent bec7fa72c1
commit 1d936eb90c
1 changed files with 27 additions and 3 deletions
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30
tests/span_tests.cpp
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@ -183,9 +183,33 @@ TEST_CASE("from_pointer_length_constructor")
int arr[4] = {1, 2, 3, 4}; int arr[4] = {1, 2, 3, 4};
{ {
span<int> s{&arr[0], 2}; for(int i = 0; i<4 ; ++i)
CHECK((s.length() == 2 && s.data() == &arr[0])); {
CHECK((s[0] == 1 && s[1] == 2)); {
span<int> s = { &arr[0], i };
CHECK(s.length() == i);
CHECK(s.data() == &arr[0]);
CHECK(s.empty() == (i == 0));
for (int j = 0; j < i; ++j)
{
CHECK(arr[j] == s[j]);
CHECK(arr[j] == s.at(j));
CHECK(arr[j] == s(j));
}
}
{
span<int> s = { &arr[i], 4-i };
CHECK(s.length() == 4-i);
CHECK(s.data() == &arr[i]);
CHECK(s.empty() == (4-i == 0));
for (int j = 0; j < 4-i; ++j)
{
CHECK(arr[j+i] == s[j]);
CHECK(arr[j+i] == s.at(j));
CHECK(arr[j+i] == s(j));
}
}
}
} }
{ {