private void TestTypeConversion <T, U>(T fromValue, U toValue, Func <T, LdValue> constructor,
LdValue.Converter <U> converter, Func <LdValue, U> getter)
{
var value = constructor(fromValue);
Assert.Equal(toValue, getter(value));
Assert.Equal(toValue, converter.ToType(value));
}
private void TestConvertIntegerToNumericType <T>(LdValue.Converter <T> converter, Func <LdValue, T> getter)
{
var t_2 = (T)Convert.ChangeType(2, typeof(T));
TestTypeConversion((int)2, t_2, n => LdValue.Of(n), converter, getter);
TestTypeConversion((long)2, t_2, n => LdValue.Of(n), converter, getter);
TestTypeConversion((float)2, t_2, n => LdValue.Of(n), converter, getter);
TestTypeConversion((double)2, t_2, n => LdValue.Of(n), converter, getter);
}
private void TestConvertNonIntegerToIntegerType <T>(LdValue.Converter <T> converter, Func <LdValue, T> getter)
{
var t_2 = (T)Convert.ChangeType(2, typeof(T));
var t_3 = (T)Convert.ChangeType(3, typeof(T));
var t_minus_2 = (T)Convert.ChangeType(-2, typeof(T));
var t_minus_3 = (T)Convert.ChangeType(-3, typeof(T));
TestTypeConversion((float)2.25, t_2, n => LdValue.Of(n), converter, getter);
TestTypeConversion((double)2.25, t_2, n => LdValue.Of(n), converter, getter);
TestTypeConversion((float)2.75, t_3, n => LdValue.Of(n), converter, getter);
TestTypeConversion((double)2.75, t_3, n => LdValue.Of(n), converter, getter);
TestTypeConversion((float)-2.25, t_minus_2, n => LdValue.Of(n), converter, getter);
TestTypeConversion((double)-2.25, t_minus_2, n => LdValue.Of(n), converter, getter);
TestTypeConversion((float)-2.75, t_minus_3, n => LdValue.Of(n), converter, getter);
TestTypeConversion((double)-2.75, t_minus_3, n => LdValue.Of(n), converter, getter);
}
private void TestNonNumericValueAsNumericTypeIsZero <T>(LdValue.Converter <T> converter,
Func <LdValue, T> getter, T zero)
{
var values = new LdValue[]
{
LdValue.Null,
aTrueBoolValue,
aStringValue,
aNumericLookingStringValue,
anArrayValue,
anObjectValue
};
foreach (var value in values)
{
Assert.Equal(zero, getter(value));
Assert.Equal(zero, converter.ToType(value));
}
}
private void TestCustomAttribute <T>(T value,
Func <IUserBuilder, string, T, IUserBuilderCanMakeAttributePrivate> setter, LdValue.Converter <T> converter)
{
var user0 = setter(User.Builder(key), "foo", value).Build();
Assert.Equal(value, converter.ToType(user0.Custom["foo"]));
Assert.Empty(user0.PrivateAttributeNames);
var user1 = setter(User.Builder(key), "bar", value).AsPrivateAttribute().Build();
Assert.Equal(value, converter.ToType(user1.Custom["bar"]));
Assert.Equal(new HashSet <string> {
"bar"
}, user1.PrivateAttributeNames);
}