dmd/compiler/test/fail_compilation/fail17955.d

103 lines
2.9 KiB
D

// https://issues.dlang.org/show_bug.cgi?id=17955
/*
TEST_OUTPUT:
---
fail_compilation/fail17955.d(82): Error: cannot create instance of abstract class `SimpleTimeZone`
fail_compilation/fail17955.d(76): class `SimpleTimeZone` is declared here
fail_compilation/fail17955.d(73): function `bool hasDST()` is not implemented
fail_compilation/fail17955.d(94): Error: template instance `fail17955.SimpleTimeZone.fromISOExtString!dstring` error instantiating
fail_compilation/fail17955.d(26): instantiated from here: `fromISOExtString!string`
fail_compilation/fail17955.d(57): instantiated from here: `isISOExtStringSerializable!(SysTime)`
fail_compilation/fail17955.d(50): instantiated from here: `toRedis!(SysTime)`
fail_compilation/fail17955.d(41): ... (2 instantiations, -v to show) ...
fail_compilation/fail17955.d(33): instantiated from here: `indicesOf!(isRedisType, resetCodeExpireTime)`
fail_compilation/fail17955.d(68): instantiated from here: `RedisStripped!(User, true)`
fail_compilation/fail17955.d(94): Error: calling non-static function `fromISOExtString` requires an instance of type `SimpleTimeZone`
fail_compilation/fail17955.d(96): Error: undefined identifier `DateTimeException`
fail_compilation/fail17955.d(26): Error: variable `fail17955.isISOExtStringSerializable!(SysTime).isISOExtStringSerializable` - type `void` is inferred from initializer `fromISOExtString("")`, and variables cannot be of type `void`
fail_compilation/fail17955.d(55): Error: function `fail17955.toRedis!(SysTime).toRedis` has no `return` statement, but is expected to return a value of type `string`
---
*/
alias Alias(alias a) = a;
template isISOExtStringSerializable(T)
{
enum isISOExtStringSerializable = T.fromISOExtString("");
}
template RedisObjectCollection(){}
struct RedisStripped(T, bool strip_id = true)
{
alias unstrippedMemberIndices = indicesOf!(Select!(strip_id,
isRedisTypeAndNotID, isRedisType), T.tupleof);
}
template indicesOf(alias PRED, T...)
{
template impl(size_t i)
{
static if (PRED!T)
impl TypeTuple;
}
alias indicesOf = impl!0;
}
template isRedisType(alias F)
{
enum isRedisType = toRedis!(typeof(F));
}
template isRedisTypeAndNotID(){}
string toRedis(T)()
{
static if (isISOExtStringSerializable!T)
return;
}
struct User
{
SysTime resetCodeExpireTime;
}
class RedisUserManController
{
RedisObjectCollection!(RedisStripped!User) m_users;
}
class TimeZone
{
abstract bool hasDST();
}
class SimpleTimeZone : TimeZone
{
unittest {}
immutable(SimpleTimeZone) fromISOExtString(S)(S)
{
new SimpleTimeZone;
}
}
struct SysTime
{
static fromISOExtString(S)(S)
{
dstring zoneStr;
try
SimpleTimeZone.fromISOExtString(zoneStr);
catch (DateTimeException e) {}
}
}
template Select(bool condition, T...)
{
alias Select = Alias!(T[condition]);
}