|  | # If binary input file is not specified, llvm-symbolizer assumes it is the first | 
|  | # item in the command. | 
|  |  | 
|  | # No input items at all. Report an unknown line, but do not produce any output on stderr. | 
|  | RUN: echo | llvm-symbolizer 2>%t.1.err | FileCheck %s --check-prefix=NOSOURCE | 
|  | RUN: FileCheck --input-file=%t.1.err --implicit-check-not={{.}} --allow-empty %s | 
|  |  | 
|  | # Only one input item, complain about missing addresses. | 
|  | RUN: llvm-symbolizer "foo" 2>%t.2.err | FileCheck %s --check-prefix=NOSOURCE | 
|  | RUN: FileCheck --input-file=%t.2.err --check-prefix=NOADDR %s | 
|  |  | 
|  | # Two items specified, check if the first one is an existing file. | 
|  | RUN: llvm-symbolizer "foo 400" 2>%t.3.err | FileCheck %s --check-prefix=NOSOURCE | 
|  | RUN: FileCheck --input-file=%t.3.err --check-prefix=NOTFOUND -DMSG=%errc_ENOENT %s | 
|  |  | 
|  | # FILE: must be followed by a file name. | 
|  | RUN: llvm-symbolizer "FILE:" 2>%t.4.err | FileCheck %s --check-prefix=NOSOURCE | 
|  | RUN: FileCheck --input-file=%t.4.err --check-prefix=MISSING-FILE %s | 
|  |  | 
|  | # BUILDID: must be followed by a hash. | 
|  | RUN: llvm-symbolizer "BUILDID:" 2>%t.5.err | FileCheck %s --check-prefix=NOSOURCE | 
|  | RUN: FileCheck --input-file=%t.5.err --check-prefix=MISSING-HASH %s | 
|  |  | 
|  | # Wrong build-id. | 
|  | RUN: llvm-symbolizer "BUILDID: foo" 2>%t.6.err | FileCheck %s --check-prefix=NOSOURCE | 
|  | RUN: FileCheck --input-file=%t.6.err --check-prefix=BAD-HASH %s | 
|  |  | 
|  | # Unbalanced string quotes in the file name. | 
|  | RUN: llvm-symbolizer "FILE:\"foo" 2>%t.7.err | FileCheck %s --check-prefix=NOSOURCE | 
|  | RUN: FileCheck --input-file=%t.7.err --check-prefix=BAD-QUOTE %s | 
|  |  | 
|  | NOSOURCE:      ?? | 
|  | NOSOURCE-NEXT: ??:0:0 | 
|  |  | 
|  | NOADDR: error: 'foo': no module offset has been specified | 
|  |  | 
|  | NOTFOUND:  error: 'foo': [[MSG]] | 
|  |  | 
|  | MISSING-FILE: error: 'FILE:': must be followed by an input file | 
|  |  | 
|  | MISSING-HASH: error: 'BUILDID:': must be followed by a hash | 
|  |  | 
|  | BAD-HASH:  error: 'BUILDID: foo': wrong format of build-id | 
|  |  | 
|  | BAD-QUOTE: error: 'FILE:"foo': unbalanced quotes in input file name |