|  | XFAIL: ios | 
|  | RUN: %cpp_compiler %S/FullCoverageSetTest.cpp -o %t-FullCoverageSetTest | 
|  |  | 
|  | RUN: rm -rf  %tmp/T1 %tmp/T2 | 
|  | RUN: mkdir -p %tmp/T1 %tmp/T2 | 
|  |  | 
|  | RUN: echo F..... > %tmp/T1/1 | 
|  | RUN: echo .U.... > %tmp/T1/2 | 
|  | RUN: echo ..Z... > %tmp/T1/3 | 
|  |  | 
|  | RUN: echo .....F > %tmp/T2/1 | 
|  | RUN: echo ....U. > %tmp/T2/2 | 
|  | RUN: echo ...Z.. > %tmp/T2/3 | 
|  | RUN: echo ...Z.. > %tmp/T2/4 | 
|  | RUN: echo ....E. > %tmp/T2/5 | 
|  | RUN: echo .....R > %tmp/T2/6 | 
|  |  | 
|  | # Check that we can report an error if file size exceeded | 
|  | RUN: (ulimit -f 1; not %run %t-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=SIGXFSZ) | 
|  | SIGXFSZ: ERROR: libFuzzer: file size exceeded | 
|  |  | 
|  | # Check that we honor TMPDIR | 
|  | RUN: TMPDIR=DIR_DOES_NOT_EXIST not %run %t-FullCoverageSetTest -merge=1 %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=TMPDIR | 
|  | TMPDIR: MERGE-OUTER: failed to write to the control file: DIR_DOES_NOT_EXIST/libFuzzerTemp |