; RUN: FileCheck -DVALUE=10 -input-file %s %s
; RUN: not FileCheck -DVALUE=20 -input-file %s %s 2>&1 | FileCheck %s -check-prefix ERRMSG
;
; RUN: not FileCheck -DVALUE=10 -check-prefix NOT -input-file %s %s 2>&1 | FileCheck %s -check-prefix NOT-ERRMSG
; RUN: FileCheck -DVALUE=20 -check-prefix NOT -input-file %s %s
; RUN: not FileCheck -DVALUE10 -input-file %s %s 2>&1 | FileCheck %s -check-prefix ERRCLIEQ1
; RUN: not FileCheck -D -input-file %s %s 2>&1 | FileCheck %s -check-prefix ERRCLIEQ2
; RUN: not FileCheck -D=10 -input-file %s %s 2>&1 | FileCheck %s -check-prefix ERRCLIVAR1
; RUN: not FileCheck -D= -input-file %s %s 2>&1 | FileCheck %s -check-prefix ERRCLIVAR2
; RUN: FileCheck -DVALUE= -check-prefix EMPTY -input-file %s %s 2>&1

Value = 10
; CHECK: Value = [[VALUE]]
; NOT-NOT: Value = [[VALUE]]

; ERRMSG: defines.txt:[[@LINE-3]]:10: error: CHECK: expected string not found in input
; ERRMSG: defines.txt:1:1: note: scanning from here
; ERRMSG: defines.txt:1:1: note: with variable "VALUE" equal to "20"
; ERRMSG: defines.txt:[[@LINE-7]]:1: note: possible intended match here

; NOT-ERRMSG: defines.txt:[[@LINE-7]]:12: error: {{NOT}}-NOT: excluded string found in input
; NOT-ERRMSG: defines.txt:[[@LINE-10]]:1: note: found here
; NOT-ERRMSG: defines.txt:[[@LINE-11]]:1: note: with variable "VALUE" equal to "10"

; ERRCLIEQ1: Missing equal sign in command-line definition '-DVALUE10'

; ERRCLIEQ2: FileCheck{{[^:]*}}: for the -D option: requires a value!

; ERRCLIVAR1: Missing pattern variable name in command-line definition '-D=10'

; ERRCLIVAR2: Missing pattern variable name in command-line definition '-D='

Empty value = @@
; EMPTY: Empty value = @[[VALUE]]@