test/tools/llvm-ar/read-only-archive.test

## Test that read-only archives cannot be edited

# RUN: rm -rf %t && mkdir -p %t
# RUN: touch %t/1.txt
# RUN: touch %t/2.txt
# RUN: touch %t/3.txt

# RUN: llvm-ar rc %t/archive.a %t/1.txt %t/2.txt

## Make read only:
# RUN: chmod 444 %t/archive.a

# RUN: not llvm-ar r %t/archive.a %t/3.txt \
# RUN:   FileCheck %s --check-prefix=ERROR -DFILE=%t/archive.a

# ERROR: error: [[FILE]]: no such file or directory

# RUN: not llvm-ar q %t/archive.a %t/3.txt \
# RUN:   FileCheck %s --check-prefix=ERROR -DFILE=%t/archive.a

# RUN: not llvm-ar m %t/archive.a t/1.txt \
# RUN:   FileCheck %s --check-prefix=ERROR-2 -DFILE=%t/archive.a

# ERROR-2: error: [[FILE]]: permission denied

# RUN: llvm-ar t %t/archive.a \
# RUN:   | FileCheck %s --check-prefix=ARCHIVE --match-full-lines --implicit-check-not {{.}}

# ARCHIVE: 1.txt
# ARCHIVE-NEXT: 2.txt