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James Henderson 9faf6091cf [llvm-strings] Improve testing of llvm-strings
This patch tidies up the llvm-strings testing by:

1. Adding comments to every test.
2. Getting rid of canned input files, and having the tests generate
   them on the fly (this makes the tests self-contained).
3. Adding missing test coverage.
4. Renaming some tests that weren't clear as to their purpose.
5. Adding extra checking of various cases, formatting etc.
6. Removing a test that didn't seem to have any useful purpose for
   testing llvm-strings.

Reviewed by: rupprecht, grimar, MaskRay

Differential Revision: https://reviews.llvm.org/D66015

llvm-svn: 368555
2019-08-12 11:36:11 +00:00

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## Show that help text is printed correctly when requested.
RUN: llvm-strings -h | FileCheck %s --check-prefixes=CHECK,CATEG
RUN: llvm-strings --help | FileCheck %s --check-prefixes=CHECK,CATEG
RUN: llvm-strings --help-list \
RUN: | FileCheck %s --check-prefixes=CHECK,LIST
CHECK: OVERVIEW: llvm string dumper
CHECK: USAGE: llvm-strings{{(.exe)?}} [options] <input object files>{{$}}
CHECK: OPTIONS:
CATEG: General options:
LIST-NOT: General options:
CATEG: Generic Options:
LIST-NOT: Generic Options:
CHECK: @FILE