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reverse iterators

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This commit is contained in:
Niels
2015-02-14 16:47:14 +01:00
parent d87e770767
commit cc4a8319a1
4 changed files with 1216 additions and 314 deletions
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496
test/unit.cpp
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@@ -2420,6 +2420,81 @@ TEST_CASE("iterators")
CHECK(it != j_const.cend());
CHECK(*it == j_const);
}
SECTION("json + rbegin/rend")
{
json::reverse_iterator it = j.rbegin();
CHECK(it != j.rend());
CHECK(*it == j);
it++;
CHECK(it != j.rbegin());
CHECK(it == j.rend());
it--;
CHECK(it == j.rbegin());
CHECK(it != j.rend());
CHECK(*it == j);
++it;
CHECK(it != j.rbegin());
CHECK(it == j.rend());
--it;
CHECK(it == j.rbegin());
CHECK(it != j.rend());
CHECK(*it == j);
}
SECTION("json + crbegin/crend")
{
json::const_reverse_iterator it = j.crbegin();
CHECK(it != j.crend());
CHECK(*it == j);
it++;
CHECK(it != j.crbegin());
CHECK(it == j.crend());
it--;
CHECK(it == j.crbegin());
CHECK(it != j.crend());
CHECK(*it == j);
++it;
CHECK(it != j.crbegin());
CHECK(it == j.crend());
--it;
CHECK(it == j.crbegin());
CHECK(it != j.crend());
CHECK(*it == j);
}
SECTION("const json + crbegin/crend")
{
json::const_reverse_iterator it = j_const.crbegin();
CHECK(it != j_const.crend());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.crbegin());
CHECK(it == j_const.crend());
it--;
CHECK(it == j_const.crbegin());
CHECK(it != j_const.crend());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.crbegin());
CHECK(it == j_const.crend());
--it;
CHECK(it == j_const.crbegin());
CHECK(it != j_const.crend());
CHECK(*it == j_const);
}
}
SECTION("string")
@@ -2526,6 +2601,81 @@ TEST_CASE("iterators")
CHECK(it != j_const.cend());
CHECK(*it == j_const);
}
SECTION("json + rbegin/rend")
{
json::reverse_iterator it = j.rbegin();
CHECK(it != j.rend());
CHECK(*it == j);
it++;
CHECK(it != j.rbegin());
CHECK(it == j.rend());
it--;
CHECK(it == j.rbegin());
CHECK(it != j.rend());
CHECK(*it == j);
++it;
CHECK(it != j.rbegin());
CHECK(it == j.rend());
--it;
CHECK(it == j.rbegin());
CHECK(it != j.rend());
CHECK(*it == j);
}
SECTION("json + crbegin/crend")
{
json::const_reverse_iterator it = j.crbegin();
CHECK(it != j.crend());
CHECK(*it == j);
it++;
CHECK(it != j.crbegin());
CHECK(it == j.crend());
it--;
CHECK(it == j.crbegin());
CHECK(it != j.crend());
CHECK(*it == j);
++it;
CHECK(it != j.crbegin());
CHECK(it == j.crend());
--it;
CHECK(it == j.crbegin());
CHECK(it != j.crend());
CHECK(*it == j);
}
SECTION("const json + crbegin/crend")
{
json::const_reverse_iterator it = j_const.crbegin();
CHECK(it != j_const.crend());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.crbegin());
CHECK(it == j_const.crend());
it--;
CHECK(it == j_const.crbegin());
CHECK(it != j_const.crend());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.crbegin());
CHECK(it == j_const.crend());
--it;
CHECK(it == j_const.crbegin());
CHECK(it != j_const.crend());
CHECK(*it == j_const);
}
}
SECTION("array")
@@ -2540,14 +2690,17 @@ TEST_CASE("iterators")
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j[0]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[1]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[2]);
++it;
CHECK(it != it_begin);
@@ -2561,14 +2714,17 @@ TEST_CASE("iterators")
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j_const[0]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j_const[1]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j_const[2]);
++it;
CHECK(it != it_begin);
@@ -2582,14 +2738,17 @@ TEST_CASE("iterators")
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j[0]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[1]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[2]);
++it;
CHECK(it != it_begin);
@@ -2598,19 +2757,94 @@ TEST_CASE("iterators")
SECTION("const json + cbegin/cend")
{
json::const_iterator it_begin = j.cbegin();
json::const_iterator it_end = j.cend();
json::const_iterator it_begin = j_const.cbegin();
json::const_iterator it_end = j_const.cend();
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j[0]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[1]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[2]);
++it;
CHECK(it != it_begin);
CHECK(it == it_end);
}
SECTION("json + rbegin/rend")
{
json::reverse_iterator it_begin = j.rbegin();
json::reverse_iterator it_end = j.rend();
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j[2]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[1]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[0]);
++it;
CHECK(it != it_begin);
CHECK(it == it_end);
}
SECTION("json + crbegin/crend")
{
json::const_reverse_iterator it_begin = j.crbegin();
json::const_reverse_iterator it_end = j.crend();
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j[2]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[1]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[0]);
++it;
CHECK(it != it_begin);
CHECK(it == it_end);
}
SECTION("const json + crbegin/crend")
{
json::const_reverse_iterator it_begin = j_const.crbegin();
json::const_reverse_iterator it_end = j_const.crend();
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j[2]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[1]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j[0]);
++it;
CHECK(it != it_begin);
@@ -2620,7 +2854,7 @@ TEST_CASE("iterators")
SECTION("object")
{
json j = {{"one", 1}, {"two", 2}, {"three", 3}};
json j = {{"A", 1}, {"B", 2}, {"C", 3}};
json j_const(j);
SECTION("json + begin/end")
@@ -2630,14 +2864,17 @@ TEST_CASE("iterators")
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j["A"]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["B"]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["C"]);
++it;
CHECK(it != it_begin);
@@ -2651,14 +2888,17 @@ TEST_CASE("iterators")
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j_const["A"]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j_const["B"]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j_const["C"]);
++it;
CHECK(it != it_begin);
@@ -2672,14 +2912,17 @@ TEST_CASE("iterators")
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j["A"]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["B"]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["C"]);
++it;
CHECK(it != it_begin);
@@ -2688,19 +2931,94 @@ TEST_CASE("iterators")
SECTION("const json + cbegin/cend")
{
json::const_iterator it_begin = j.cbegin();
json::const_iterator it_end = j.cend();
json::const_iterator it_begin = j_const.cbegin();
json::const_iterator it_end = j_const.cend();
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j_const["A"]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j_const["B"]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j_const["C"]);
++it;
CHECK(it != it_begin);
CHECK(it == it_end);
}
SECTION("json + rbegin/rend")
{
json::reverse_iterator it_begin = j.rbegin();
json::reverse_iterator it_end = j.rend();
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j["C"]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["B"]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["A"]);
++it;
CHECK(it != it_begin);
CHECK(it == it_end);
}
SECTION("json + crbegin/crend")
{
json::const_reverse_iterator it_begin = j.crbegin();
json::const_reverse_iterator it_end = j.crend();
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j["C"]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["B"]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["A"]);
++it;
CHECK(it != it_begin);
CHECK(it == it_end);
}
SECTION("const json + crbegin/crend")
{
json::const_reverse_iterator it_begin = j_const.crbegin();
json::const_reverse_iterator it_end = j_const.crend();
auto it = it_begin;
CHECK(it != it_end);
CHECK(*it == j["C"]);
it++;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["B"]);
++it;
CHECK(it != it_begin);
CHECK(it != it_end);
CHECK(*it == j["A"]);
++it;
CHECK(it != it_begin);
@@ -2812,6 +3130,81 @@ TEST_CASE("iterators")
CHECK(it != j_const.cend());
CHECK(*it == j_const);
}
SECTION("json + rbegin/rend")
{
json::reverse_iterator it = j.rbegin();
CHECK(it != j.rend());
CHECK(*it == j);
it++;
CHECK(it != j.rbegin());
CHECK(it == j.rend());
it--;
CHECK(it == j.rbegin());
CHECK(it != j.rend());
CHECK(*it == j);
++it;
CHECK(it != j.rbegin());
CHECK(it == j.rend());
--it;
CHECK(it == j.rbegin());
CHECK(it != j.rend());
CHECK(*it == j);
}
SECTION("json + crbegin/crend")
{
json::const_reverse_iterator it = j.crbegin();
CHECK(it != j.crend());
CHECK(*it == j);
it++;
CHECK(it != j.crbegin());
CHECK(it == j.crend());
it--;
CHECK(it == j.crbegin());
CHECK(it != j.crend());
CHECK(*it == j);
++it;
CHECK(it != j.crbegin());
CHECK(it == j.crend());
--it;
CHECK(it == j.crbegin());
CHECK(it != j.crend());
CHECK(*it == j);
}
SECTION("const json + crbegin/crend")
{
json::const_reverse_iterator it = j_const.crbegin();
CHECK(it != j_const.crend());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.crbegin());
CHECK(it == j_const.crend());
it--;
CHECK(it == j_const.crbegin());
CHECK(it != j_const.crend());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.crbegin());
CHECK(it == j_const.crend());
--it;
CHECK(it == j_const.crbegin());
CHECK(it != j_const.crend());
CHECK(*it == j_const);
}
}
SECTION("number (float)")
@@ -2918,6 +3311,81 @@ TEST_CASE("iterators")
CHECK(it != j_const.cend());
CHECK(*it == j_const);
}
SECTION("json + rbegin/rend")
{
json::reverse_iterator it = j.rbegin();
CHECK(it != j.rend());
CHECK(*it == j);
it++;
CHECK(it != j.rbegin());
CHECK(it == j.rend());
it--;
CHECK(it == j.rbegin());
CHECK(it != j.rend());
CHECK(*it == j);
++it;
CHECK(it != j.rbegin());
CHECK(it == j.rend());
--it;
CHECK(it == j.rbegin());
CHECK(it != j.rend());
CHECK(*it == j);
}
SECTION("json + crbegin/crend")
{
json::const_reverse_iterator it = j.crbegin();
CHECK(it != j.crend());
CHECK(*it == j);
it++;
CHECK(it != j.crbegin());
CHECK(it == j.crend());
it--;
CHECK(it == j.crbegin());
CHECK(it != j.crend());
CHECK(*it == j);
++it;
CHECK(it != j.crbegin());
CHECK(it == j.crend());
--it;
CHECK(it == j.crbegin());
CHECK(it != j.crend());
CHECK(*it == j);
}
SECTION("const json + crbegin/crend")
{
json::const_reverse_iterator it = j_const.crbegin();
CHECK(it != j_const.crend());
CHECK(*it == j_const);
it++;
CHECK(it != j_const.crbegin());
CHECK(it == j_const.crend());
it--;
CHECK(it == j_const.crbegin());
CHECK(it != j_const.crend());
CHECK(*it == j_const);
++it;
CHECK(it != j_const.crbegin());
CHECK(it == j_const.crend());
--it;
CHECK(it == j_const.crbegin());
CHECK(it != j_const.crend());
CHECK(*it == j_const);
}
}
SECTION("null")
@@ -2951,6 +3419,24 @@ TEST_CASE("iterators")
json::const_iterator it_end = j_const.cend();
CHECK(it_begin == it_end);
}
SECTION("json + rbegin/rend")
{
json::reverse_iterator it = j.rbegin();
CHECK(it == j.rend());
}
SECTION("json + crbegin/crend")
{
json::const_reverse_iterator it = j.crbegin();
CHECK(it == j.crend());
}
SECTION("const json + crbegin/crend")
{
json::const_reverse_iterator it = j_const.crbegin();
CHECK(it == j_const.crend());
}
}
}