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✨ make emplace_back return a reference #1609

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This commit is contained in:
Niels Lohmann 2019-06-30 12:19:41 +02:00
parent 9a775bcb14
commit 1be63431f3
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GPG key ID: 7F3CEA63AE251B69
3 changed files with 26 additions and 8 deletions
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12
test/src/unit-modifiers.cpp
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@ -290,8 +290,10 @@ TEST_CASE("modifiers")
SECTION("null")
{
json j;
j.emplace_back(1);
j.emplace_back(2);
auto& x1 = j.emplace_back(1);
CHECK(x1 == 1);
auto& x2 = j.emplace_back(2);
CHECK(x2 == 2);
CHECK(j.type() == json::value_t::array);
CHECK(j == json({1, 2}));
}
@ -299,7 +301,8 @@ TEST_CASE("modifiers")
SECTION("array")
{
json j = {1, 2, 3};
j.emplace_back("Hello");
auto& x = j.emplace_back("Hello");
CHECK(x == "Hello");
CHECK(j.type() == json::value_t::array);
CHECK(j == json({1, 2, 3, "Hello"}));
}
@ -307,7 +310,8 @@ TEST_CASE("modifiers")
SECTION("multiple values")
{
json j;
j.emplace_back(3, "foo");
auto& x = j.emplace_back(3, "foo");
CHECK(x == json({"foo", "foo", "foo"}));
CHECK(j.type() == json::value_t::array);
CHECK(j == json({{"foo", "foo", "foo"}}));
}