// RUN: %ProtectFileCheckOutput \
// RUN: not FileCheck -match-full-lines -dump-input=never -input-file %s %s  2>&1 \
// RUN:   | FileCheck --check-prefix=ERROR --implicit-check-not=error: %s
// RUN: %ProtectFileCheckOutput \
// RUN: not FileCheck -match-full-lines -strict-whitespace -dump-input=never -input-file %s %s \
// RUN: 2>&1 | FileCheck --check-prefix=ERROR-STRICT --check-prefix=ERROR \
// RUN:                  --implicit-check-not=error: %s

Label 1
a line
trailing whitespace   
trailing more whitespace   
Label 2
a line
   leading whitespace
   leading more whitespace

Label 3
a line

Label 4
a line
a random thing

Label 5
Label 66

// CHECK-LABEL:Label 1
// CHECK:a line
// CHECK:trailing whitespace
// CHECK:trailing more whitespace   
// ERROR-STRICT:error: {{C}}HECK: expected string not found in input
// ERROR-STRICT:// {{C}}HECK:trailing whitespace

// CHECK-LABEL:Label 2
// CHECK:a line
// CHECK-NEXT:leading whitespace
// CHECK-NEXT:   leading more whitespace
// ERROR-STRICT:error: {{C}}HECK-NEXT: expected string not found in input
// ERROR-STRICT:// {{C}}HECK-NEXT:leading whitespace

// CHECK-LABEL:Label 3
// CHECK:line
// ERROR:error: {{C}}HECK: expected string not found in input
// ERROR:// {{C}}HECK:line

// CHECK-LABEL:Label 4
// CHECK:a line
// CHECK-NOT:random
// ERROR:error: {{C}}HECK-NOT: excluded string found in input
// ERROR:a random thing

// CHECK-LABEL:Label 5
// CHECK-LABEL:Label 6
// ERROR:error: {{C}}HECK-LABEL: expected string not found in input
// ERROR:{{C}}HECK-LABEL:Label 6