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[flang][driver] Copy input files into a temp dir when testing 

The following frontend driver invocation will generate 2 output files
in the same directory as the input files:
```
flang-new -fc1 input-1.f input-2.f
```
This is the desired behaviour. However, when testing we need to make
sure that we don't pollute the source directory. To this end, copy test
input files into a temporary directory.

Differential Revision: https://reviews.llvm.org/D94243
This commit is contained in:
Andrzej Warzynski 2021-01-07 17:49:38 +00:00
parent 4c372a35cd
commit 8298ec2d62
1 changed files with 7 additions and 3 deletions
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10
flang/test/Frontend/multiple-input-files.f90
View File

@ -16,9 +16,13 @@
! FLANG FRONTEND DRIVER (flang-new -fc1)
!----------------------------------------
! TEST 3: Both input files are processed
! RUN: %flang-new -fc1 -test-io %S/Inputs/hello-world.f90 %s 2>&1 \
! RUN: && FileCheck %s --input-file=%S/multiple-input-files.txt --match-full-lines -check-prefix=FC1-OUTPUT1 \
! RUN: && FileCheck %s --input-file=%S/Inputs/hello-world.txt --match-full-lines -check-prefix=FC1-OUTPUT2
! This particular test case generates output files in the same directory as the input files. We need to copy the input files into a
! temporary directory to avoid polluting the source directory.
! RUN: rm -rf %t-dir && mkdir -p %t-dir && cd %t-dir
! RUN: cp %s . && cp %S/Inputs/hello-world.f90 .
! RUN: %flang-new -fc1 -test-io hello-world.f90 multiple-input-files.f90 2>&1 \
! RUN: && FileCheck %s --input-file=multiple-input-files.txt --match-full-lines -check-prefix=FC1-OUTPUT1 \
! RUN: && FileCheck %s --input-file=hello-world.txt --match-full-lines -check-prefix=FC1-OUTPUT2
! TEST 4: Only the last input file is processed
! RUN: %flang-new -fc1 -test-io %s %S/Inputs/hello-world.f90 -o %t 2>&1 \