added items() function #874

This commit is contained in:
Niels Lohmann 2018-01-05 18:34:10 +01:00
parent 96b40b27a5
commit 78f8f837e6
No known key found for this signature in database
GPG key ID: 7F3CEA63AE251B69
5 changed files with 790 additions and 0 deletions

View file

@ -727,3 +727,700 @@ TEST_CASE("iterator_wrapper")
}
}
}
TEST_CASE("items()")
{
SECTION("object")
{
SECTION("value")
{
json j = {{"A", 1}, {"B", 2}};
int counter = 1;
for (auto i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "A");
CHECK(i.value() == json(1));
break;
}
case 2:
{
CHECK(i.key() == "B");
CHECK(i.value() == json(2));
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("reference")
{
json j = {{"A", 1}, {"B", 2}};
int counter = 1;
for (auto& i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "A");
CHECK(i.value() == json(1));
// change the value
i.value() = json(11);
CHECK(i.value() == json(11));
break;
}
case 2:
{
CHECK(i.key() == "B");
CHECK(i.value() == json(2));
// change the value
i.value() = json(22);
CHECK(i.value() == json(22));
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
// check if values where changed
CHECK(j == json({{"A", 11}, {"B", 22}}));
}
SECTION("const value")
{
json j = {{"A", 1}, {"B", 2}};
int counter = 1;
for (const auto i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "A");
CHECK(i.value() == json(1));
break;
}
case 2:
{
CHECK(i.key() == "B");
CHECK(i.value() == json(2));
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("const reference")
{
json j = {{"A", 1}, {"B", 2}};
int counter = 1;
for (const auto& i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "A");
CHECK(i.value() == json(1));
break;
}
case 2:
{
CHECK(i.key() == "B");
CHECK(i.value() == json(2));
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
}
SECTION("const object")
{
SECTION("value")
{
const json j = {{"A", 1}, {"B", 2}};
int counter = 1;
for (auto i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "A");
CHECK(i.value() == json(1));
break;
}
case 2:
{
CHECK(i.key() == "B");
CHECK(i.value() == json(2));
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("reference")
{
const json j = {{"A", 1}, {"B", 2}};
int counter = 1;
for (auto& i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "A");
CHECK(i.value() == json(1));
break;
}
case 2:
{
CHECK(i.key() == "B");
CHECK(i.value() == json(2));
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("const value")
{
const json j = {{"A", 1}, {"B", 2}};
int counter = 1;
for (const auto i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "A");
CHECK(i.value() == json(1));
break;
}
case 2:
{
CHECK(i.key() == "B");
CHECK(i.value() == json(2));
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("const reference")
{
const json j = {{"A", 1}, {"B", 2}};
int counter = 1;
for (const auto& i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "A");
CHECK(i.value() == json(1));
break;
}
case 2:
{
CHECK(i.key() == "B");
CHECK(i.value() == json(2));
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
}
SECTION("array")
{
SECTION("value")
{
json j = {"A", "B"};
int counter = 1;
for (auto i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "0");
CHECK(i.value() == "A");
break;
}
case 2:
{
CHECK(i.key() == "1");
CHECK(i.value() == "B");
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("reference")
{
json j = {"A", "B"};
int counter = 1;
for (auto& i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "0");
CHECK(i.value() == "A");
// change the value
i.value() = "AA";
CHECK(i.value() == "AA");
break;
}
case 2:
{
CHECK(i.key() == "1");
CHECK(i.value() == "B");
// change the value
i.value() = "BB";
CHECK(i.value() == "BB");
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
// check if values where changed
CHECK(j == json({"AA", "BB"}));
}
SECTION("const value")
{
json j = {"A", "B"};
int counter = 1;
for (const auto i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "0");
CHECK(i.value() == "A");
break;
}
case 2:
{
CHECK(i.key() == "1");
CHECK(i.value() == "B");
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("const reference")
{
json j = {"A", "B"};
int counter = 1;
for (const auto& i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "0");
CHECK(i.value() == "A");
break;
}
case 2:
{
CHECK(i.key() == "1");
CHECK(i.value() == "B");
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
}
SECTION("const array")
{
SECTION("value")
{
const json j = {"A", "B"};
int counter = 1;
for (auto i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "0");
CHECK(i.value() == "A");
break;
}
case 2:
{
CHECK(i.key() == "1");
CHECK(i.value() == "B");
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("reference")
{
const json j = {"A", "B"};
int counter = 1;
for (auto& i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "0");
CHECK(i.value() == "A");
break;
}
case 2:
{
CHECK(i.key() == "1");
CHECK(i.value() == "B");
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("const value")
{
const json j = {"A", "B"};
int counter = 1;
for (const auto i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "0");
CHECK(i.value() == "A");
break;
}
case 2:
{
CHECK(i.key() == "1");
CHECK(i.value() == "B");
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
SECTION("const reference")
{
const json j = {"A", "B"};
int counter = 1;
for (const auto& i : j.items())
{
switch (counter++)
{
case 1:
{
CHECK(i.key() == "0");
CHECK(i.value() == "A");
break;
}
case 2:
{
CHECK(i.key() == "1");
CHECK(i.value() == "B");
break;
}
default:
{
break;
}
}
}
CHECK(counter == 3);
}
}
SECTION("primitive")
{
SECTION("value")
{
json j = 1;
int counter = 1;
for (auto i : j.items())
{
++counter;
CHECK(i.key() == "");
CHECK(i.value() == json(1));
}
CHECK(counter == 2);
}
SECTION("reference")
{
json j = 1;
int counter = 1;
for (auto& i : j.items())
{
++counter;
CHECK(i.key() == "");
CHECK(i.value() == json(1));
// change value
i.value() = json(2);
}
CHECK(counter == 2);
// check if value has changed
CHECK(j == json(2));
}
SECTION("const value")
{
json j = 1;
int counter = 1;
for (const auto i : j.items())
{
++counter;
CHECK(i.key() == "");
CHECK(i.value() == json(1));
}
CHECK(counter == 2);
}
SECTION("const reference")
{
json j = 1;
int counter = 1;
for (const auto& i : j.items())
{
++counter;
CHECK(i.key() == "");
CHECK(i.value() == json(1));
}
CHECK(counter == 2);
}
}
SECTION("const primitive")
{
SECTION("value")
{
const json j = 1;
int counter = 1;
for (auto i : j.items())
{
++counter;
CHECK(i.key() == "");
CHECK(i.value() == json(1));
}
CHECK(counter == 2);
}
SECTION("reference")
{
const json j = 1;
int counter = 1;
for (auto& i : j.items())
{
++counter;
CHECK(i.key() == "");
CHECK(i.value() == json(1));
}
CHECK(counter == 2);
}
SECTION("const value")
{
const json j = 1;
int counter = 1;
for (const auto i : j.items())
{
++counter;
CHECK(i.key() == "");
CHECK(i.value() == json(1));
}
CHECK(counter == 2);
}
SECTION("const reference")
{
const json j = 1;
int counter = 1;
for (const auto& i : j.items())
{
++counter;
CHECK(i.key() == "");
CHECK(i.value() == json(1));
}
CHECK(counter == 2);
}
}
}