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added first insert functions

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Niels
2015-07-12 18:28:23 +02:00
parent b2efd50a03
commit 186aefb8f2
13 changed files with 503 additions and 3 deletions
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156
test/unit.cpp
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@ -6608,6 +6608,162 @@ TEST_CASE("modifiers")
}
}
SECTION("insert")
{
json j_array = {1, 2, 3, 4};
json j_value = 5;
SECTION("value at position")
{
SECTION("insert before begin()")
{
auto it = j_array.insert(j_array.begin(), j_value);
CHECK(j_array.size() == 5);
CHECK(*it == j_value);
CHECK(j_array.begin() == it);
CHECK(j_array == json({5, 1, 2, 3, 4}));
}
SECTION("insert in the middle")
{
auto it = j_array.insert(j_array.begin() + 2, j_value);
CHECK(j_array.size() == 5);
CHECK(*it == j_value);
CHECK((it - j_array.begin()) == 2);
CHECK(j_array == json({1, 2, 5, 3, 4}));
}
SECTION("insert before end()")
{
auto it = j_array.insert(j_array.end(), j_value);
CHECK(j_array.size() == 5);
CHECK(*it == j_value);
CHECK((j_array.end() - it) == 1);
CHECK(j_array == json({1, 2, 3, 4, 5}));
}
}
SECTION("rvalue at position")
{
SECTION("insert before begin()")
{
auto it = j_array.insert(j_array.begin(), 5);
CHECK(j_array.size() == 5);
CHECK(*it == j_value);
CHECK(j_array.begin() == it);
CHECK(j_array == json({5, 1, 2, 3, 4}));
}
SECTION("insert in the middle")
{
auto it = j_array.insert(j_array.begin() + 2, 5);
CHECK(j_array.size() == 5);
CHECK(*it == j_value);
CHECK((it - j_array.begin()) == 2);
CHECK(j_array == json({1, 2, 5, 3, 4}));
}
SECTION("insert before end()")
{
auto it = j_array.insert(j_array.end(), 5);
CHECK(j_array.size() == 5);
CHECK(*it == j_value);
CHECK((j_array.end() - it) == 1);
CHECK(j_array == json({1, 2, 3, 4, 5}));
}
}
SECTION("copies at position")
{
SECTION("insert before begin()")
{
auto it = j_array.insert(j_array.begin(), 3, 5);
CHECK(j_array.size() == 7);
CHECK(*it == j_value);
CHECK(j_array.begin() == it);
CHECK(j_array == json({5, 5, 5, 1, 2, 3, 4}));
}
SECTION("insert in the middle")
{
auto it = j_array.insert(j_array.begin() + 2, 3, 5);
CHECK(j_array.size() == 7);
CHECK(*it == j_value);
CHECK((it - j_array.begin()) == 2);
CHECK(j_array == json({1, 2, 5, 5, 5, 3, 4}));
}
SECTION("insert before end()")
{
auto it = j_array.insert(j_array.end(), 3, 5);
CHECK(j_array.size() == 7);
CHECK(*it == j_value);
CHECK((j_array.end() - it) == 3);
CHECK(j_array == json({1, 2, 3, 4, 5, 5, 5}));
}
SECTION("insert nothing (count = 0)")
{
auto pos = j_array.end();
auto it = j_array.insert(j_array.end(), 0, 5);
CHECK(j_array.size() == 4);
CHECK(it == pos);
CHECK(j_array == json({1, 2, 3, 4}));
}
}
SECTION("range")
{
json j_other_array = {"first", "second"};
SECTION("proper usage")
{
auto it = j_array.insert(j_array.end(), j_other_array.begin(), j_other_array.end());
CHECK(j_array.size() == 6);
CHECK(*it == *j_other_array.begin());
CHECK((j_array.end() - it) == 2);
CHECK(j_array == json({1, 2, 3, 4, "first", "second"}));
}
SECTION("empty range")
{
auto it = j_array.insert(j_array.end(), j_other_array.begin(), j_other_array.begin());
CHECK(j_array.size() == 4);
CHECK(it == j_array.end());
CHECK(j_array == json({1, 2, 3, 4}));
}
SECTION("invalid iterators")
{
CHECK_THROWS_AS(j_array.insert(j_array.end(), j_array.begin(), j_array.end()), std::domain_error);
}
}
SECTION("invalid iterator")
{
// pass iterator to a different array
json j_another_array = {1, 2};
json j_yet_another_array = {"first", "second"};
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), 10), std::domain_error);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), j_value), std::domain_error);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), 10, 11), std::domain_error);
CHECK_THROWS_AS(j_array.insert(j_another_array.end(), j_yet_another_array.begin(),
j_yet_another_array.end()), std::domain_error);
}
SECTION("non-array type")
{
// call insert on a non-array type
json j_nonarray = 3;
json j_yet_another_array = {"first", "second"};
CHECK_THROWS_AS(j_nonarray.insert(j_nonarray.end(), 10), std::domain_error);
CHECK_THROWS_AS(j_nonarray.insert(j_nonarray.end(), j_value), std::domain_error);
CHECK_THROWS_AS(j_nonarray.insert(j_nonarray.end(), 10, 11), std::domain_error);
CHECK_THROWS_AS(j_nonarray.insert(j_nonarray.end(), j_yet_another_array.begin(),
j_yet_another_array.end()), std::domain_error);
}
}
SECTION("swap()")
{
SECTION("json")