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Tests: Add more tests for JsonArray

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At an attempt to detect future regressions in AK/JsonArray, this
snapshot adds additional tests for it to TestJSON.cpp.
This commit is contained in:
Kemal Zebari 2023-05-06 17:50:04 -07:00 • committed by Sam Atkins
parent 03ca560b2d
commit 5ba5beb50f
1 changed files with 134 additions and 0 deletions
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134
Tests/AK/TestJSON.cpp
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@ -374,6 +374,140 @@ TEST_CASE(fallible_json_array_for_each)
EXPECT((IsSame<decltype(result4.release_error()), CustomError>));
}
TEST_CASE(json_array_is_empty)
{
auto raw_json = "[]"sv;
auto json_value = MUST(JsonValue::from_string(raw_json));
auto array = json_value.as_array();
EXPECT(array.is_empty());
raw_json = "[1, 2]"sv;
json_value = MUST(JsonValue::from_string(raw_json));
array = json_value.as_array();
EXPECT(!array.is_empty());
}
static JsonArray setup_json_array()
{
auto raw_json = R"([1, 2, "WHF", 802.11, 16])"sv;
auto json_value = MUST(JsonValue::from_string(raw_json));
return json_value.as_array();
}
TEST_CASE(json_array_size)
{
auto array = setup_json_array();
EXPECT_EQ(array.size(), size_t { 5 });
auto empty_json_arr_sv = "[]"sv;
array = MUST(JsonValue::from_string(empty_json_arr_sv)).as_array();
EXPECT_EQ(array.size(), size_t { 0 });
}
TEST_CASE(json_array_at)
{
auto array = setup_json_array();
auto const& element = array.at(1);
EXPECT_EQ(element.as_integer<u8>(), 2);
}
TEST_CASE(json_array_subscript_operator)
{
auto array = setup_json_array();
auto const& element = array[1];
EXPECT_EQ(element.as_integer<u8>(), 2);
}
TEST_CASE(json_array_take)
{
auto array = setup_json_array();
auto const& element = array.take(2);
EXPECT_EQ(array.size(), size_t { 4 });
EXPECT_EQ(element.as_string(), "WHF");
}
TEST_CASE(json_array_must_append)
{
auto array = setup_json_array();
array.must_append(MUST(JsonValue::from_string("32"sv)));
EXPECT_EQ(array.size(), size_t { 6 });
EXPECT_EQ(array.at(array.size() - 1).as_integer<u8>(), 32);
}
TEST_CASE(json_array_try_append)
{
auto array = setup_json_array();
MUST(array.append(MUST(JsonValue::from_string("32"sv))));
EXPECT_EQ(array.size(), size_t { 6 });
EXPECT_EQ(array.at(array.size() - 1).as_integer<u8>(), 32);
}
TEST_CASE(json_array_clear)
{
auto array = setup_json_array();
array.clear();
EXPECT(array.is_empty());
}
TEST_CASE(json_array_set)
{
auto array = setup_json_array();
array.set(1, MUST(JsonValue::from_string("-32"sv)));
EXPECT_EQ(array.size(), size_t { 5 });
EXPECT_EQ(array.at(1).as_integer<i8>(), -32);
}
TEST_CASE(json_array_ensure_capacity)
{
auto array = setup_json_array();
size_t new_capacity { 16 };
array.ensure_capacity(new_capacity);
EXPECT_EQ(array.values().capacity(), new_capacity);
}
TEST_CASE(json_array_for_each)
{
auto raw_json = "[1, 2, 3, 4]"sv;
auto json_value = MUST(JsonValue::from_string(raw_json));
auto array = json_value.as_array();
size_t count { 0 };
array.for_each([&count](JsonValue const& value) {
EXPECT_EQ(value.as_integer<u8>(), ++count);
});
EXPECT_EQ(array.size(), count);
}
TEST_CASE(json_array_serialized)
{
auto raw_json = R"(["Hello",2,3.14,4,"World"])"sv;
auto json_value = MUST(JsonValue::from_string(raw_json));
auto array = json_value.as_array();
auto const& serialized_json = array.serialized<StringBuilder>();
EXPECT_EQ(serialized_json, raw_json);
}
TEST_CASE(json_array_serialize)
{
auto raw_json = R"(["Hello",2,3.14,4,"World"])"sv;
auto json_value = MUST(JsonValue::from_string(raw_json));
auto array = json_value.as_array();
StringBuilder builder {};
array.serialize(builder);
EXPECT_EQ(builder.to_deprecated_string(), raw_json);
}
TEST_CASE(json_array_values)
{
auto raw_json = "[1, 2, 3, 4]"sv;
auto json_value = MUST(JsonValue::from_string(raw_json));
auto array = json_value.as_array();
auto const& values = array.values();
EXPECT_EQ(values.size(), size_t { 4 });
for (size_t i = 0; i < values.size(); i++)
EXPECT_EQ(array.at(i).as_integer<u8>(), i + 1);
}
TEST_CASE(json_value_as_integer)
{
// is_integer() should validate based on the value, not the underlying type.