XFAIL: ios
RUN: mkdir -p %t
# Use a ".exe" extension because it is needed on Windows to call system()
# to execute itself again.
RUN: %cpp_compiler %S/FullCoverageSetTest.cpp -o %t/T.exe

RUN: rm -rf %t/T0 %t/T1 %t/T2
RUN: mkdir -p %t/T0 %t/T1 %t/T2
RUN: echo F..... > %t/T0/1
RUN: echo .U.... > %t/T0/2
RUN: echo ..Z... > %t/T0/3

# Test what happens if the control file is junk.

RUN: echo JUNK > %t/MCF
RUN: not %run %t/T.exe -merge=1 %t/T1 %t/T2 -merge_control_file=%t/MCF 2>&1 | FileCheck %s --check-prefix=JUNK
RUN: echo 3 > %t/MCF; echo 0 >> %t/MCF; echo %t/T1/1 >> %t/MCF
RUN: not %run %t/T.exe -merge=1 %t/T1 %t/T2 -merge_control_file=%t/MCF 2>&1 | FileCheck %s --check-prefix=JUNK
JUNK: MERGE-OUTER: non-empty control file provided: {{.*}}MCF
JUNK: MERGE-OUTER: bad control file, will overwrite it


# Check valid control files

RUN: rm -f %t/T1/*; cp %t/T0/* %t/T1
RUN: echo 3 > %t/MCF; echo 0 >> %t/MCF; echo %t/T1/1 >> %t/MCF; echo %t/T1/2 >> %t/MCF; echo %t/T1/3 >> %t/MCF
RUN: %run %t/T.exe -merge=1 %t/T1 %t/T2 -merge_control_file=%t/MCF 2>&1 | FileCheck %s --check-prefix=OK_0
OK_0: MERGE-OUTER: control file ok, 3 files total, first not processed file 0
OK_0: MERGE-OUTER: 3 new files with {{.*}} new features added

RUN: rm -f %t/T1/*; cp %t/T0/* %t/T1
RUN: echo 3 > %t/MCF; echo 0 >> %t/MCF; echo %t/T1/1 >> %t/MCF; echo %t/T1/2 >> %t/MCF; echo %t/T1/3 >> %t/MCF
RUN: %run %t/T.exe -merge=1 %t/T1 %t/T2 -merge_control_file=%t/MCF -save_coverage_summary=%t/SUMMARY 2>&1 | FileCheck %s --check-prefix=SAVE_SUMMARY
SAVE_SUMMARY: MERGE-OUTER: writing coverage summary for 3 files to {{.*}}/SUMMARY

RUN: rm -f %t/T1/*; cp %t/T0/* %t/T1
RUN: echo 3 > %t/MCF; echo 0 >> %t/MCF; echo %t/T1/1 >> %t/MCF; echo %t/T1/2 >> %t/MCF; echo %t/T1/3 >> %t/MCF
RUN: %run %t/T.exe -merge=1 %t/T1 %t/T2 -merge_control_file=%t/MCF -load_coverage_summary=%t/SUMMARY 2>&1 | FileCheck %s --check-prefix=LOAD_SUMMARY
LOAD_SUMMARY: MERGE-OUTER: coverage summary loaded from

RUN: rm -f %t/T1/*; cp %t/T0/* %t/T1
RUN: echo 3 > %t/MCF; echo 0 >> %t/MCF; echo %t/T1/1 >> %t/MCF; echo %t/T1/2 >> %t/MCF; echo %t/T1/3 >> %t/MCF
RUN: echo STARTED 0 1 >> %t/MCF
RUN: echo DONE 0 11 >> %t/MCF
RUN: echo STARTED 1 2 >> %t/MCF
RUN: echo DONE 1 12 >> %t/MCF
RUN: %run %t/T.exe -merge=1 %t/T1 %t/T2 -merge_control_file=%t/MCF 2>&1 | FileCheck %s --check-prefix=OK_2
OK_2: MERGE-OUTER: control file ok, 3 files total, first not processed file 2
OK_2: MERGE-OUTER: 3 new files with {{.*}} new features added

RUN: rm -f %t/T1/*; cp %t/T0/* %t/T1
RUN: echo 3 > %t/MCF; echo 0 >> %t/MCF; echo %t/T1/1 >> %t/MCF; echo %t/T1/2 >> %t/MCF; echo %t/T1/3 >> %t/MCF
RUN: echo STARTED 0 1 >> %t/MCF
RUN: echo DONE 0 11 >> %t/MCF
RUN: echo STARTED 1 2 >> %t/MCF
RUN: echo DONE 1 12 >> %t/MCF
RUN: echo STARTED 2 2 >> %t/MCF
RUN: echo DONE 2 13 >> %t/MCF
RUN: %run %t/T.exe -merge=1 %t/T1 %t/T2 -merge_control_file=%t/MCF 2>&1 | FileCheck %s --check-prefix=OK_3
OK_3: MERGE-OUTER: nothing to do, merge has been completed before