|  | Test the 'u' option of llvm-ar | 
|  |  | 
|  | RUN: rm -rf %t && mkdir -p %t && cd %t | 
|  | RUN: rm -f %t/tmp.a | 
|  |  | 
|  | Create a file named evenlen that is newer than the evenlen on the source dir. | 
|  | RUN: mkdir -p %t/tmp.older | 
|  | RUN: echo older > %t/tmp.older/evenlen | 
|  |  | 
|  | RUN: mkdir -p %t/tmp.newer | 
|  |  | 
|  | Either the shell supports the 'touch' command with a flag to manually set the | 
|  | mtime or we sleep for over two seconds so that the mtime is definitely | 
|  | observable. | 
|  | RUN: touch -m -t 200001010000 %t/tmp.older/evenlen || sleep 2.1 | 
|  |  | 
|  | RUN: echo newer > %t/tmp.newer/evenlen | 
|  | RUN: touch %t/tmp.newer/evenlen | 
|  |  | 
|  | Create an achive with the newest file | 
|  | RUN: llvm-ar rU %t/tmp.a %t/tmp.newer/evenlen | 
|  | RUN: llvm-ar p %t/tmp.a | FileCheck --check-prefix=NEWER %s | 
|  |  | 
|  | Check that without the 'u' option the member is replaced with an older file. | 
|  | RUN: llvm-ar rU %t/tmp.a %t/tmp.older/evenlen | 
|  | RUN: llvm-ar p %t/tmp.a | FileCheck --check-prefix=OLDER %s | 
|  |  | 
|  | Check that with the 'u' option the member is replaced with a newer file. | 
|  | RUN: llvm-ar ruU %t/tmp.a %t/tmp.newer/evenlen | 
|  | RUN: llvm-ar p %t/tmp.a | FileCheck --check-prefix=NEWER %s | 
|  |  | 
|  | Check that with the 'u' option the member is not replaced with an older file. | 
|  | RUN: llvm-ar ruU %t/tmp.a %t/tmp.older/evenlen | 
|  | RUN: llvm-ar p %t/tmp.a | FileCheck --check-prefix=NEWER %s | 
|  |  | 
|  | NEWER: newer | 
|  | OLDER: older | 
|  |  | 
|  | RUN: rm -f %t/tmp.a | 
|  | RUN: echo foo > foo | 
|  | RUN: echo bar > bar | 
|  | RUN: llvm-ar --format=gnu rcT %t/tmp.a foo | 
|  | RUN: llvm-ar --format=gnu rcT %t/tmp.a bar | 
|  | RUN: llvm-ar t %t/tmp.a | FileCheck --check-prefix=BOTH-FILES %s | 
|  | BOTH-FILES: foo | 
|  | BOTH-FILES: bar | 
|  |  | 
|  | RUN: rm -f %t/tmp.a | 
|  | RUN: llvm-ar --format=gnu rc %t/tmp.a foo | 
|  | RUN: not llvm-ar --format=gnu rcT %t/tmp.a bar 2>&1 | FileCheck --check-prefix=ERROR %s | 
|  | ERROR: Cannot convert a regular archive to a thin one. |