Files
Nim/tests
metagn 44d2472b08 consider generic param type as typedesc in tuple type expressions (#25316)
fixes #25312

Tuple expressions `(a, b, c)` can be either types or values depending on
if their elements are typedescs or values, this is checked by checking
if the type of the element is `tyTypeDesc`. However when an
`skGenericParam` symbol is semchecked by `semSym` it is given its own
`tyGenericParam` type rather than a `tyTypeDesc` type, this seems to be
necessary for signatures to allow wildcard generic params passed to
static constrained generic params (tested in #25315). The reason
`semSym` is called is that `semGeneric` for generic invocations calls
`matches` which sems its arguments like normal expressions.

To deal with this, an expression of type `tyGenericParam` and with a
`skGenericParam` sym is allowed as a type in the tuple expression. A
problem is that this might consider a value with a wildcard generic
param type as a type. But this is a very niche problem, and I'm not sure
how to check for this. `skGenericParam` symbols stay as idents when
semchecked so it can't be checked that the node is an `skGenericParam`
symbol. It could be checked that it's an ident but I don't know how
robust this is. And maybe there is another way to refer to a wildcard
generic param type instead of just its symbol, i.e. another kind of
node.

This also makes #5647 finally work but a test case for that can be added
after.
2025-12-09 09:45:37 +01:00
..
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2013-03-16 23:53:07 +01:00
2020-12-28 14:13:21 +01:00

This directory contains the test cases.

Each test must have a filename of the form: t*.nim

Note: Testament is only aware of tests under a directory (eg tests/foo/) and will ignore top-level tests like tests/tbar.nim.

Specs

Each test can contain a spec in a discard """ ... """ block.

Check out the parseSpec procedure in the specs module for a full and reliable reference

action

Specifies what action this test should take.

Default: run

Options:

  • compile - compiles the module and fails the test if compilations fails.
  • run - compiles and runs the module, fails the test if compilation or execution of test code fails.
  • reject - compiles the module and fails the test if compilation succeeds.

There are certain spec keys that imply run, including output and outputsub.

Categories

Each folder under this directory represents a test category, which can be tested by running koch tests pcat <category> (or cat to avoid parallel testing, which is slower).

The folder dll contains simple DLL tests.

The folder realtimeGC contains a test for validating that the realtime GC can run properly without linking against the nimrtl.dll/so.