Files
Nim/tests
araq 2db27d4826 Merge branch 'devel' into araq-ic-fixes2
One conflict, in `canRaiseDisp`, where both sides added to the same guard:

* devel (#26145) short-circuits `skMethod` to "can raise", because a base
  method's inferred effects describe only the base body, not every vtable
  target;
* this branch resets `markCanRaiseBranch` to 5 on entry, so that a `-d:
  icCanRaiseLog` differential attributes an answer to the branch that actually
  decided it rather than to whatever the previous call left behind.

Both kept: the reset first, then devel's method branch, then the existing
flags branch. Marker 5 already means "decided here, neither predicate ran",
which is what the new branch does too, so it needs no new number — the comment
now says both short-circuits land there.

Verified on the merged tree: `tests/ic` 40/40, including devel's new
`timportcalias`; the cursor-driven and `PNode`-driven backends still generate
byte-identical C (67/67 under `--ic:on`); ccgbugs 146, concepts 48, method 22,
destructor 97, arc 140, gc 78, closure 23, iter 71, exception 47, all clean.

`tests/generics/tparser_generator.nim` fails, and does NOT come from this
merge: it fails the same way on pristine `origin/devel`, built and run in a
throwaway worktree to check. The compile succeeds; the spec expects no output
and the compiler now emits `typed`-deprecation and unused-import warnings.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FMyRHByv7hhaQJ4Pa1bHbE
2026-08-30 20:38:00 +02:00
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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.