Files
Edward Z. Yang 2eda30aa8b Use bool masks in indexing tests that aren't about uint8 (#201373)
## Linked issue or supporting maintainer

Part of #201370
Supported by @ezyang

## BC-breaking?

No

## Summary (human written only)

<!-- TODO(ezyang): fill in -->

## Agent details (if applicable)

> Several indexing tests about bool / mask indexing build their masks (or
> 0-dim true/false indices) as uint8, which is deprecated (#201370). Switch
> them to bool so they keep testing what they are about once uint8 indexing
> becomes an error. Tests that are specifically about uint8 masks are left for
> that change.
>
> Test plan: test_indexing.py. The C++ test_api and MPS edits were not run
> locally.
>
> Authored with an AI assistant.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/201373
Approved by: https://github.com/Skylion007
2026-10-26 15:26:25 +00:00
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C++ Frontend Tests

In this folder live the tests for PyTorch's C++ Frontend. They use the GoogleTest test framework.

CUDA Tests

To make a test runnable only on platforms with CUDA, you should suffix your test with _CUDA, e.g.

TEST(MyTestSuite, MyTestCase_CUDA) { }

To make it runnable only on platforms with at least two CUDA machines, suffix it with _MultiCUDA instead of _CUDA, e.g.

TEST(MyTestSuite, MyTestCase_MultiCUDA) { }

There is logic in main.cpp that detects the availability and number of CUDA devices and supplies the appropriate negative filters to GoogleTest.

Integration Tests

Integration tests use the MNIST dataset. You must download it by running the following command from the PyTorch root folder:

$ python tools/download_mnist.py -d test/cpp/api/mnist

The required paths will be referenced as test/cpp/api/mnist/... in the test code, so you must run the integration tests from the PyTorch root folder.