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56 lines
2.4 KiB
56 lines
2.4 KiB
name: test |
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returns: void |
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description: | |
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Defines a test to run with the test harness. Takes two positional |
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arguments, the first is the name of the test and the second is the |
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executable to run. The executable can be an [[@exe]] object returned by |
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[[executable]] or an [[@external_program]] object] returned by |
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[[find_program]]. |
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*(since 0.55.0)* When cross compiling, if an exe_wrapper is needed and |
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defined the environment variable `MESON_EXE_WRAPPER` will be set to |
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the string value of that wrapper (implementation detail: using |
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`mesonlib.join_args`). Test scripts may use this to run cross built |
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binaries. If your test needs `MESON_EXE_WRAPPER` in cross build |
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situations it is your responsibility to return code 77 to tell the |
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harness to report "skip". |
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By default, environment variable |
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[`MALLOC_PERTURB_`](http://man7.org/linux/man-pages/man3/mallopt.3.html) |
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is automatically set by `meson test` to a random value between 1..255. |
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This can help find memory leaks on configurations using glibc, |
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including with non-GCC compilers. However, this can have a performance |
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impact, and may fail a test due to external libraries whose internals |
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are out of the user's control. To check if this feature is causing an |
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expected runtime crash, disable the feature by temporarily setting |
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environment variable `MALLOC_PERTURB_=0`. While it's preferable to |
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only temporarily disable this check, if a project requires permanent |
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disabling of this check in meson.build do like: |
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```meson |
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nomalloc = environment({'MALLOC_PERTURB_': '0'}) |
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test(..., env: nomalloc, ...) |
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``` |
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In addition to running individual executables as test cases, `test()` |
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can also be used to invoke an external test harness. In this case, |
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it is best to use `verbose: true` *(since 0.62.0)* and, if supported |
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by the external harness, `protocol: 'tap'` *(since 0.50.0)*. This will |
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ensure that Meson logs each subtest as it runs, instead of including |
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the whole log at the end of the run. |
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Defined tests can be run in a backend-agnostic way by calling |
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`meson test` inside the build dir, or by using backend-specific |
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commands, such as `ninja test` or `msbuild RUN_TESTS.vcxproj`. |
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posargs_inherit: benchmark |
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kwargs_inherit: benchmark |
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kwargs: |
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is_parallel: |
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type: bool |
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default: true |
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description: | |
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when false, specifies that no other test must be |
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running at the same time as this test
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