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This section gives information on how to use the testsuite.
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This section gives information on how to use the testsuite.
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Firstly, change from the root of the GHC source tree to:
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The following commands can all be executed simply from the top level directory of the testsuite.
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```wiki
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$ cd testsuite/tests
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```
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This is the root of the actual tests cases in the GHC testsuite. The directories above this one hold the actual testsuite framework for running the tests. All the commands below assume you are in this directory before running them.
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To run the testsuite against a GHC build in the same source tree:
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To run the full testsuite (slow) against a GHC build in the same source tree:
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```wiki
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```wiki
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$ make
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$ make
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```
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```
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This is equivalent to running `make fulltest` in the root of the GHC tree as detailed above.
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If you have python 2.5.2 or later then you can run the testsuite in parallel to speed it up:
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```wiki
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$ make THREADS=4
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```
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To run a fast version of the testsuite, which should complete in under 10 minutes on a fast machine with an optimised GHC build:
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To run a reduced (fast) version of the testsuite:
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```wiki
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```wiki
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$ make fast
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$ make fast
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... | @@ -52,7 +49,7 @@ $ make TEST=tc054 |
... | @@ -52,7 +49,7 @@ $ make TEST=tc054 |
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```
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```
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To make this even faster, you can also go straight to the subdirectory containing the test (e.g ./typecheck/should_compile/) and say 'make TEST=tc054' from there, which will save some time as the testsuite framework won't need to search as long to find the test you are referring to.
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To make this even faster, you can also go straight to the subdirectory containing the test (e.g ./tests/typecheck/should_compile/) and say 'make TEST=tc054' from there, which will save some time as the testsuite framework won't need to search as long to find the test you are referring to.
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To run several tests, you just space separate them:
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To run several tests, you just space separate them:
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... | @@ -65,7 +62,7 @@ $ make TEST="tc053 tc054" |
... | @@ -65,7 +62,7 @@ $ make TEST="tc053 tc054" |
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You can also run a whole group of related tests by changing to a subdirectory in the test cases tree:
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You can also run a whole group of related tests by changing to a subdirectory in the test cases tree:
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```wiki
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```wiki
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$ cd ./array
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$ cd ./tests/array
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$ make
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$ make
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```
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```
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... | @@ -97,16 +94,6 @@ To just clean all the tests, without running any: |
... | @@ -97,16 +94,6 @@ To just clean all the tests, without running any: |
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$ make CLEANUP=1 CLEAN_ONLY=YES
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$ make CLEANUP=1 CLEAN_ONLY=YES
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```
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```
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If you have python 2.5.2 or later then you can ```run the testsuite in parallel```:
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```wiki
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$ make THREADS=4
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```
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This can be a huge time saver these days with the number of cores most people have.
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## Additional Packages
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## Additional Packages
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