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ae9287c4f3
closes https://github.com/nim-lang/RFCs/issues/554 Adds a symmetric difference operation to the language bitset type. This maps to a simple `xor` operation on the backend and thus is likely faster than the current alternatives, namely `(a - b) + (b - a)` or `a + b - a * b`. The compiler VM implementation of bitsets already implemented this via `symdiffSets` but it was never used. The standalone binary operation is added to `setutils`, named `symmetricDifference` in line with [hash sets](https://nim-lang.org/docs/sets.html#symmetricDifference%2CHashSet%5BA%5D%2CHashSet%5BA%5D). An operator version `-+-` and an in-place version like `toggle` as described in the RFC are also added, implemented as trivial sugar.
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.