1// RUN: %ProtectFileCheckOutput \ 2// RUN: not FileCheck -check-prefix=FOO %s </dev/null 2>&1 \ 3// RUN: | FileCheck -check-prefix=EMPTY-ERR %s 4// 5// RUN: %ProtectFileCheckOutput \ 6// RUN: not FileCheck -check-prefix=NOFOO %s </dev/null 2>&1 \ 7// RUN: | FileCheck -check-prefix=EMPTY-ERR %s 8// 9// RUN: %ProtectFileCheckOutput \ 10// RUN: not FileCheck -check-prefix=FOO -allow-empty %s </dev/null 2>&1 \ 11// RUN: | FileCheck -check-prefix=NO-EMPTY-ERR -check-prefix=NOT-FOUND %s 12// 13// RUN: %ProtectFileCheckOutput \ 14// RUN: FileCheck -check-prefix=NOFOO -allow-empty %s </dev/null 2>&1 \ 15// RUN: | FileCheck -allow-empty -check-prefix=NO-EMPTY-ERR %s 16 17; FOO: foo 18; NOFOO-NOT: foo 19 20; EMPTY-ERR: FileCheck error: '<stdin>' is empty. 21; EMPTY-ERR-NEXT: FileCheck command line: {{.*}}{{F|f}}ile{{C|c}}heck{{.*}}-check-prefix={{.*}}FOO {{.*}}check-empty.txt 22; NO-EMPTY-ERR-NOT: FileCheck error: '<stdin>' is empty. 23; NOT-FOUND: error: FOO: expected string not found in input 24