| 1 | // Test that compiling using a PCH doesn't leak file descriptors. |
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| 2 | // https://bugs.chromium.org/p/chromium/issues/detail?id=924225 |
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| 3 | // |
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| 4 | // This test requires bash loops and ulimit. |
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| 5 | // REQUIRES: shell |
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| 6 | // UNSUPPORTED: win32 |
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| 7 | // |
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| 8 | // Set up source files. lib/lib.h includes lots of lib*.h files in that dir. |
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| 9 | // client.c includes lib/lib.h, and also the individual files directly. |
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| 10 | // |
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| 11 | // RUN: rm -rf %t |
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| 12 | // RUN: mkdir %t |
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| 13 | // RUN: cd %t |
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| 14 | // RUN: mkdir lib |
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| 15 | // RUN: for i in {1..300}; do touch lib/lib$i.h; done |
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| 16 | // RUN: for i in {1..300}; do echo "#include \"lib$i.h\"" >> lib/lib.h; done |
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| 17 | // RUN: echo "#include \"lib/lib.h\"" > client.c |
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| 18 | // RUN: for i in {1..300}; do echo "#include \"lib/lib$i.h\"" >> client.c; done |
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| 19 | // |
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| 20 | // We want to verify that we don't hold all the files open at the same time. |
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| 21 | // This is important e.g. on mac, which has a low default FD limit. |
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| 22 | // RUN: ulimit -n 100 |
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| 23 | // |
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| 24 | // Test without PCH. |
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| 25 | // RUN: %clang_cc1 -fsyntax-only -Ilib/ client.c |
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| 26 | // |
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| 27 | // Test with PCH. |
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| 28 | // RUN: %clang_cc1 -emit-pch -o pch -Ilib/ client.c |
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| 29 | // RUN: %clang_cc1 -include-pch pch -Ilib/ client.c -fsyntax-only |
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| 30 | |
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