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Nim/tests
ringabout 9e91d492d3 fixes #25617; handle backend type aliasing in procParamTypeRel (#25692)
fixes #25617

This pull request introduces a stricter check for parameter type
relations in the `procParamTypeRel` procedure. Specifically, it ensures
that two types are not only structurally equal but also have the same
backend type, taking type aliases into account.

Type relation checks:

*
[`compiler/sigmatch.nim`](diffhunk://#diff-251afcd01d239369019495096c187998dd6695b6457528953237a7e4a10f7138R787-R789):
In `procParamTypeRel`, added a check to ensure that if two types are
considered equal (`isEqual`), they must also have the same backend type
(using `sameBackendTypePickyAliases`). If not, the result is set to
`isNone`, preventing false positives when type aliases differ.

(cherry picked from commit 568eccd7f8)
2026-05-29 08:25:50 +02:00
..
2026-04-07 18:58:01 +02:00
2024-06-06 00:52:01 +02:00
2021-08-21 08:22:00 +02:00
2025-03-03 14:01:41 +01:00
2023-07-22 21:11:08 +02:00
2025-12-18 20:53:04 +01:00
2025-03-31 14:00:39 +02:00
2022-12-22 08:32:12 +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.