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b7c9534f75
Currently FileCheck errors out on empty input. This is usually the right thing to do, but makes testing things like "this command does not emit some error message" hard to test. This usually leads to people using "command 2>&1 | count 0" instead, and then the bots that use guard malloc fail a few hours later. By adding a flag to FileCheck that allows empty inputs, we can make tests that consist entirely of "CHECK-NOT" lines feasible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215127 91177308-0d34-0410-b5e6-96231b3b80d8
12 lines
641 B
Plaintext
12 lines
641 B
Plaintext
// RUN: not FileCheck -check-prefix=FOO %s </dev/null 2>&1 | FileCheck -check-prefix=EMPTY-ERR %s
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// RUN: not FileCheck -check-prefix=NOFOO %s </dev/null 2>&1 | FileCheck -check-prefix=EMPTY-ERR %s
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// RUN: not FileCheck -check-prefix=FOO -allow-empty %s </dev/null 2>&1 | FileCheck -check-prefix=NO-EMPTY-ERR -check-prefix=NOT-FOUND %s
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// RUN: FileCheck -check-prefix=NOFOO -allow-empty %s </dev/null 2>&1 | FileCheck -allow-empty -check-prefix=NO-EMPTY-ERR %s
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; FOO: foo
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; NOFOO-NOT: foo
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; EMPTY-ERR: FileCheck error: '-' is empty.
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; NO-EMPTY-ERR-NOT: FileCheck error: '-' is empty.
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; NOT-FOUND: error: expected string not found in input
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